CN107632923A

CN107632923A - A kind of tandem type hard disk and its alarm method

Info

Publication number: CN107632923A
Application number: CN201710929088.9A
Authority: CN
Inventors: 尹泽生; 陈明; 季筱玮
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2016-09-30
Filing date: 2017-09-30
Publication date: 2018-01-26
Anticipated expiration: 2037-09-30
Also published as: WO2019062756A1; CN107632923B

Abstract

The embodiment of the present invention provides a kind of tandem type hard disk and its alarm method, is related to the communications field, can be connected with each other between tandem type hard disk by connector, realizes the dilatation to storage device in the case where not increasing storage device interface.The tandem type hard disk comprises at least：First connector, hard disk main body, the second connector, and the cascade chip being all connected with the first connector, hard disk main body and the second connector；Wherein, the first connector, for being electrically connected with the first hard disk or storage device；Second connector, for the electrical connection with the second hard disk；Cascade chip, for the data transfer that determination will receive to hard disk main body or the second connector.

Description

A kind of tandem type hard disk and its alarm method

This application claims Patent Office of the People's Republic of China, Application No. 201610871156.6, application were submitted on 09 30th, 2016 The priority of the Chinese patent application of entitled " a kind of tandem type hard disk and its alarm method ", entire contents are tied by quoting Close in this application.

Technical field

The present invention relates to the communications field, more particularly to a kind of tandem type hard disk and its alarm method.

Background technology

Hard disk is the main storaging medium of computer, can be generally divided into solid state hard disc (Solid State Drives, SSD), mechanical hard disk (Hard Disk Drive, HDD) and hybrid hard disk (Hybrid Hard Disk, HHD).Wherein, SSD with Its read or write speed is fast, has the advantages that excellent shockproof crash resistance and low-power consumption, is widely used in military, vehicle-mounted, communication, electricity The fields such as power, medical treatment, aviation.

SSD structural representation is as shown in figure 1, wherein, SSD includes：The small computer system interface of serial connection (serial attached SCSI (Small Computer System Interface), SAS) connector, with SAS connector The control chip of connection, the standby electric capacity being connected with control chip, the internal memory being all connected with control chip and standby electric capacity, and At least one flash memory (Flash Memory, FLASH) being connected with control chip.However, had access in a storage device SSD limited amount, and SSD capacity is also limited, such as dozens of SSD is had access in a storage device, one Individual SSD capacity is usually 500 gigabits (GB), 1 terabyte (TB) or 2TB.So as to limit the capacity of storage device.

The content of the invention

Embodiments of the invention provide a kind of tandem type hard disk and its alarm method, can pass through company between tandem type hard disk Device interconnection is connect, realizes the dilatation to storage device in the case where not increasing storage device interface.

To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：

In a first aspect, the embodiment of the present invention provides a kind of tandem type hard disk, the tandem type hard disk comprises at least：First SAS Connector, tandem type hard disk main body, the second SAS connector, and with the first SAS connector, tandem type hard disk main body and second The cascade chip that SAS connector is all connected with.The function that unit module provided in an embodiment of the present invention is realized is specific as follows： Second SAS connector, it is connected for the first SAS connector with other tandem type hard disks；Cascade chip, for controlling tandem type The cascade of hard disk and other tandem type hard disks.It can be seen that by being provided for controlling tandem type hard disk and its in tandem type hard disk The cascade chip of his tandem type hard disk cascade so that can be connected between tandem type hard disk by the first SAS connector and the 2nd SAS Connect device to be connected, the capacity of the tandem type hard disk after cascade increases substantially, and realizes in situation about not being improved communication equipment Under dilatation to communication equipment.

Further, tandem type hard disk also includes：The first fixing device being arranged on the shell of tandem type hard disk, and The second fixing device being arranged on the shell of tandem type hard disk.Wherein, the first fixing device, for other tandem type hard disks The second fixing device be connected, strengthen the active force between tandem type hard disk and other tandem type hard disks；Second fixing device, use It is connected in the first fixing device with other tandem type hard disks, strengthens the effect between tandem type hard disk and other tandem type hard disks Power.Closely connect between two tandem type hard disks of cascade.

Optionally, the first fixing device and the second fixing device be with the use of a pair of cohesive structures, or coordinate and make A pair of magnetic structure, or a pair of fastener constructions being used cooperatively.

Optionally, the first fixing device is cartridge structure, and the second fixing device is notch, wherein, cartridge structure energy Enough it is caught in notch.

Further, spring is also provided with a pair of cartridge structures and notch, in order to which user is dismantled.

Optionally, tandem type hard disk main body specifically includes：The control chip being connected with cascade chip, is connected with control chip Standby electric capacity, the internal memory being all connected with control chip and standby electric capacity, and at least one flash memory being connected with control chip FLASH。

Second aspect, the embodiment of the present invention also provide a kind of alarm method of tandem type hard disk, applied to communication equipment, lead to Letter equipment includes the tandem type hard disk of any feature with first aspect of N number of cascade, and N is whole more than or equal to 2 Number, the alarm method of the tandem type hard disk include：First, communication equipment obtains the occupied appearance of the tandem type hard disk after cascade Amount；Secondly, determine that occupied capacity is more than or equal to the first predetermined threshold value, and the tandem type hard disk after cascade in communication equipment In the number of tandem type hard disk that breaks down when being the second predetermined threshold value one-to-one with the first predetermined threshold value, communication equipment Send alarm.It can be seen that communication equipment is by it is determined that occupied capacity is more than or equal to the first predetermined threshold value, and after cascading The number of the tandem type hard disk to be broken down in tandem type hard disk sends warning information when being the second predetermined threshold value, remind user couple The tandem type hard disk to break down is changed.Simultaneously as it is by the first fixing device and second between tandem type hard disk Fixing device connects the first SAS connector of a tandem type hard disk with the second SAS connector of another tandem type hard disk Get up, user can easily dismantle when changing tandem type hard disk, realize being individually replaced for tandem type hard disk, reduce The workload safeguarded.

Further, if the usable capacity of each tandem type hard disk is X in N number of tandem type hard disk, first presets threshold It is N-C to be worth for C*X, the second predetermined threshold value, wherein, C is the integer more than or equal to 1, and less than N, then communication equipment determines Occupied capacity is more than or equal to the first predetermined threshold value, and the tandem type hard disk to be broken down in the tandem type hard disk after cascade Number be specially for the method for the second predetermined threshold value：Communication equipment determines that occupied capacity is more than or equal to C*X, and cascades The number of the tandem type hard disk to be broken down in tandem type hard disk afterwards is N-C.

Further, this method also includes：The level to be broken down in the tandem type hard disk that communication equipment confirms after cascade When the number of connection formula hard disk is N number of, communication equipment sends alarm.All tandem type hard disks in tandem type hard disk after cascade Break down, then communication equipment directly sends alarm, has reminded user to change tandem type hard disk.

The third aspect, the embodiment of the present invention also provide a kind of communication equipment, including memory, processor, communication interface and System bus.Memory, processor and communication interface are connected by system bus, and memory is used to store computer instruction, locates Reason device is used for the computer instruction for performing memory storage, so that communication equipment performs the tandem type hard disk of above-mentioned second aspect Alarm method.

In this application, the name of above-mentioned communication equipment does not form restriction in itself to equipment or functional module, in actual reality In existing, these equipment or functional module can occur with other titles.As long as the function of each equipment or functional module and this Shen Please be similar, belong within the scope of the application claim and its equivalent technologies.

In addition, the embodiment of the present invention also provides a kind of software product, software product includes realizing the alarm of tandem type hard disk The computer instruction of method.Computer instruction can be stored on readable storage medium storing program for executing；Processor can be from the readable storage medium Computer instruction is read in matter and is performed so that processor realizes the alarm method of tandem type hard disk.

The specific descriptions of the application third aspect and its various implementations, it may be referred to second aspect and its various realizations Detailed description in mode；Also, the beneficial effect of the third aspect and its various implementations, may be referred to second aspect and its Beneficial effect analysis in various implementations, here is omitted.

Fourth aspect, the embodiment of the present invention also provide a kind of tandem type hard disk, and the tandem type hard disk comprises at least：First connects Connect device, hard disk main body, the second connector, and the cascade core being all connected with the first connector, hard disk main body and the second connector Piece；The function that unit module provided in an embodiment of the present invention is realized is specific as follows：First connector, for it is first hard Disk or storage device electrical connection；Second connector, for being electrically connected with the second hard disk；Cascade chip, for determining to receive Data transfer to the hard disk main body or second connector.It can be seen that by being set and other levels in tandem type hard disk The connector of connection formula hard disk cascade, and the cascade chip by being set in tandem type hard disk realizes the data between tandem type hard disk Exchange so that can be connected mutually between tandem type hard disk, to form tandem type hard disk groups, the capacity of tandem type hard disk groups is compared Increased substantially in the capacity of single hard disk, realize the dilatation to storage device in the case where not increasing storage device interface.

Further, when the first connector is used to electrically connect with storage device, tandem type hard disk also includes：It is arranged on level Fixing device on the shell of connection formula hard disk.Wherein, fixing device, for being fixedly connected with the second hard disk, enhancing tandem type is hard Active force between disk and the second tandem type hard disk, closely connect between two tandem type hard disks of cascade.Its In, fixing device is arranged on the side being connected with the first hard disk of the shell of tandem type hard disk.

Further, when the first connector is used to electrically connect with the first hard disk, tandem type hard disk also includes：First fixes Device and the second fixing device.Wherein, the first fixing device, for being fixedly connected with the first hard disk, enhancing tandem type hard disk with Active force between first hard disk；Second fixing device, for being fixedly connected with the second hard disk, strengthen tandem type hard disk and second Active force between hard disk.Closely connect between two tandem type hard disks of cascade.Wherein, the first fixing device The side being connected with the first hard disk of tandem type hard disk shell is arranged on, the second fixing device is arranged on tandem type hard disk shell The side being connected with the second hard disk.

Further, tandem type hard disk also includes：First fixture.Wherein, the first fixture, is used for and connection member Connection, tandem type hard disk is fixed on connection member.Wherein, the first fixture be arranged on tandem type hard disk shell with The side of connection member connection.

Optionally, hard disk main body specifically includes：The control chip being connected with cascade chip, the standby electricity being connected with control chip Electric capacity, the internal memory being all connected with control chip and standby electric capacity, and at least one FLASH being connected with control chip.

Optionally, the first connector and the second connector are SAS connector, or, nonvolatile memory standard (Non-Volatile Memory Express, NVME) connector, or, Serial Advanced Technology Attachment (ATA) interface specification (Serial Advanced Technology Attachment, SATA) connector, or, optical-fibre channel (Fiber Channel, FC) connector.

It should be noted that in the embodiment of the present invention second aspect provide tandem type hard disk alarm method, additionally it is possible to In storage device applied to the tandem type hard disk of any feature with fourth aspect including N number of cascade.In fourth aspect Described the first hard disk and the second hard disk, may each be common hard disc or tandem type hard disk, does not do specific limit herein System.

5th aspect, the embodiment of the present invention also provide a kind of tandem type hard disc module, and the tandem type hard disc module at least wraps Include：Tandem type hard disk, and for fixing the connection member of tandem type hard disk.Wherein, tandem type hard disk comprises at least：First Connector, hard disk main body, the second connector, and the cascade being all connected with the first connector, hard disk main body and the second connector Chip；First connector is used to electrically connect with the first hard disk or storage device, the second connector, for being electrically connected with the second hard disk Connect, cascade chip, for the data transfer that determination will receive to the hard disk main body or second connector.Attachment structure Part comprises at least：Main body is connected, and the first connector and the second connector being arranged in connection main body；First connector, For tandem type hard disc module to be fixedly attached into the first hard disk or storage device；Second connector, for by tandem type hard disk Module is fixedly attached to the second hard disk.Closely connect between two hard disks of cascade.

It can be seen that cascaded by being set in the tandem type hard disk that includes in tandem type hard disc module with other tandem type hard disks Connector, and the cascade chip by being set in tandem type hard disk realizes the data exchange between tandem type hard disk so that cascade It can be connected mutually between formula hard disc module, to form tandem type hard disk groups.Also, connected by being set on connection member Part so that can closely be connected between two tandem type hard disc modules of cascade.The capacity of tandem type hard disk groups is compared to single The capacity of hard disk increases substantially, and realizes the dilatation to storage device in the case where not increasing storage device interface.

Further, tandem type hard disk also includes：First fixture；Connection member also includes：It is arranged on connection main body On the second fixture；First fixture is fixedly connected with the second fixture, and tandem type hard disk is fixed on into connection member On.

Wherein, the first fixture is arranged on the side being connected with connection member of tandem type hard disk shell, and second fixes Part is arranged on the side being connected with tandem type hard disk of connection main body.

Further, connection member also includes：The guiding piece being arranged in connection main body, the second fixture, which is arranged on, to be drawn On guiding element, tandem type hard disk can prolong guiding piece slip under the promotion of external force, the first fixture and the second fixture is fixed and is connected Connect.

Optionally, the first fixture and the second fixture be with the use of a pair of cohesive structures, or be used cooperatively A pair of magnetic structure, or a pair of fastener constructions being used cooperatively.

Optionally, the first fixture is notch, and the second fixture is coupler construction；Or first fixture for card Hooking structure, the second fixture are notch.Wherein, coupler construction can be caught in notch.Optionally, on coupler construction Reed is also provided with, in order to the assembling of tandem type hard disk and connection member.

Optionally, the first connector and the second connector are SAS connector, or, NVME connectors, or, SATA Connector, or, FC connectors.

6th aspect, the embodiment of the present invention also provide a kind of tandem type hard disk groups, and the tandem type hard disk groups comprise at least：The One tandem type hard disk, and the second tandem type hard disk；First tandem type hard disk and the second tandem type hard disk include：First connection Device, hard disk main body, the second connector, and the cascade chip being all connected with the first connector, hard disk main body and the second connector；

Wherein, the first connector of the first tandem type hard disk, for being electrically connected with other tandem type hard disks；First tandem type Second connector of hard disk, for being electrically connected with the first connector of the second tandem type hard disk；The cascade of first tandem type hard disk Chip, for determine will the data transfer that receive to the first tandem type hard disk hard disk main body or the first tandem type hard disk the Two connectors；

First connector of the second tandem type hard disk, for being electrically connected with the second connector of the first tandem type hard disk；The Second connector of two tandem type hard disks, for being electrically connected with other tandem type hard disks；The cascade chip of second tandem type hard disk, Connect for the hard disk main body of the data transfer that determination will receive to the second tandem type hard disk or the second of the second tandem type hard disk Connect device.

It can be seen that the capacity for the tandem type hard disk groups to be formed is cascaded compared to single hard disk by least two tandem type hard disks Capacity increase substantially, realize the dilatation to storage device in the case where not increasing storage device interface.

Further, the first tandem type hard disk and the second tandem type hard disk also include：First fixing device and second is fixed Device；

Wherein, the first fixing device of the first tandem type hard disk, for being fixedly connected with other tandem type hard disks；The first order Second fixing device of connection formula hard disk, for being fixedly connected with the first fixing device of the second tandem type hard disk.

First fixing device of the second tandem type hard disk, connect for being fixed with the first fixing device of the first tandem type hard disk Connect；Second fixing device of the second tandem type hard disk, for being fixedly connected with other tandem type hard disks.

Optionally, the second fixing device of the first tandem type hard disk and the first fixing device of the second tandem type hard disk be with Close a pair of the cohesive structures used, a pair of magnetic structure being either used cooperatively or a pair of fastener constructions being used cooperatively.

Optionally, the second fixing device of the first tandem type hard disk is cartridge structure, and the first of the second tandem type hard disk is solid It is notch to determine device；Or first second fixing device of tandem type hard disk be notch, the second tandem type hard disk First fixing device is cartridge structure.Wherein, cartridge structure can be caught in notch.Optionally, may be used also in notch To be provided with spring, in order to which user is dismantled.

Further, above-mentioned hard disk main body can specifically include：The control chip being connected with cascade chip, with control chip The standby electric capacity of connection, the internal memory being all connected with control chip and standby electric capacity, and be connected with control chip at least one FLASH。

Further, the first connector and the second connector are SAS connector, or, NVME connectors；Or SATA connector；Or FC connectors.

7th aspect, the embodiment of the present invention also provide a kind of tandem type hard disk groups, and the tandem type hard disk groups comprise at least：The One tandem type hard disc module, and the second tandem type hard disc module；Wherein, the first tandem type hard disc module and the second tandem type are hard Disk module includes：Tandem type hard disk, and for fixing the connection member of tandem type hard disk；Tandem type hard disk at least wraps Include：First connector, hard disk main body, the second connector, and it is equal with first connector, hard disk main body and the second connector The cascade chip of connection；Connection member comprises at least：Connect main body, and be arranged on connection main body on the first connector and Second connector；

Wherein, the first connector of the first tandem type hard disc module is used to electrically connect with other tandem type hard disc modules, the Second connector of one tandem type hard disc module, for being electrically connected with the first connector of the second tandem type hard disc module, first The cascade chip of tandem type hard disc module, the hard disk for the data transfer that determination will receive to the first tandem type hard disc module Second connector of main body or the first tandem type hard disc module；First connector of the first tandem type hard disc module, for by One tandem type hard disc module is fixedly attached to other tandem type hard disc modules；Second connector of the first tandem type hard disc module, For being fixedly connected with the first connector of the second tandem type hard disc module；

First connector of the second tandem type hard disc module is used for and the second connector of the first tandem type hard disc module electricity Connection, the second connector of the second tandem type hard disc module, for being electrically connected with other tandem type hard disc modules, the second tandem type The cascade chip of hard disc module, for determine will the data transfer that receive to the second tandem type hard disc module hard disk main body or Second connector of the second tandem type hard disc module；First connector of the second tandem type hard disc module, for being cascaded with first Second connector of formula hard disc module is fixedly connected；Second connector of the second tandem type hard disc module, for first to be cascaded Formula hard disc module is connected to other tandem type hard disc modules.

Further, the tandem type hard disk of the first tandem type hard disc module and the second tandem type hard disc module also includes：The One fixture；Connection member also includes：The second fixture being arranged in connection main body；First fixture and the second fixture It is fixedly connected, tandem type hard disk is fixed on connection member.

Further, the connection member of the first tandem type hard disc module and the second tandem type hard disc module also includes：If The guiding piece in connection main body is put, the second fixture is arranged on guiding piece, and tandem type hard disk can prolong under the promotion of external force Guiding piece slides, and the first fixture is fixedly connected with the second fixture.

Optionally, the second connector of the first connector of the second tandem type hard disc module and the first tandem type hard disc module For with the use of a pair of cohesive structures, a pair of magnetic structure being either used cooperatively or a pair of fasteners being used cooperatively Structure.

Optionally, the first connector of the second tandem type hard disc module is notch, the first tandem type hard disc module Second connector is coupler construction；Or second first connector of tandem type hard disc module be coupler construction, the first tandem type Second connector of hard disc module is notch；Wherein, coupler construction can be caught in notch.Optionally, snap fit knot Reed is also provided with structure, in order to which user is dismantled.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention.

Fig. 1 is a kind of existing SSD structural representation provided in an embodiment of the present invention；

Fig. 2 is a kind of RAID structural representation provided in an embodiment of the present invention；

Fig. 3 is the structural representation of tandem type hard disk 20 provided in an embodiment of the present invention；

Fig. 4 is a kind of structural representation one of tandem type hard disk provided in an embodiment of the present invention；

Fig. 5 is a kind of structural representation two of tandem type hard disk provided in an embodiment of the present invention；

Fig. 6 is a kind of schematic diagram of 3 tandem type hard disks cascade provided in an embodiment of the present invention；

Fig. 7 is a kind of structural representation three of tandem type hard disk provided in an embodiment of the present invention；

Fig. 8 is a kind of schematic diagram one of 2 tandem type hard disks cascade provided in an embodiment of the present invention；

Fig. 9 is a kind of schematic diagram two of 2 tandem type hard disks cascade provided in an embodiment of the present invention；

Figure 10 is a kind of composition schematic diagram of tandem type hard disc module 4 provided in an embodiment of the present invention；

Figure 11 is the composition schematic diagram of another tandem type hard disc module 4 provided in an embodiment of the present invention；

Figure 12 is the composition schematic diagram of another tandem type hard disc module 4 provided in an embodiment of the present invention；

Figure 13 is the composition schematic diagram of another tandem type hard disc module 4 provided in an embodiment of the present invention；

Figure 14 is a kind of schematic diagram of tandem type hard disk cascade provided in an embodiment of the present invention；

Figure 15 is the schematic diagram of another tandem type hard disk cascade provided in an embodiment of the present invention；

Figure 16 is a kind of schematic flow sheet one of the alarm method of tandem type hard disk provided in an embodiment of the present invention；

Figure 17 is a kind of schematic flow sheet two of the alarm method of tandem type hard disk provided in an embodiment of the present invention；

Figure 18 is a kind of structural representation of communication equipment provided in an embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.

In describing below, in order to illustrate rather than in order to limit, it is proposed that such as particular system structure, interface, technology it The detail of class, understand the application to cut thoroughly.However, it will be clear to one skilled in the art that there is no these specific The application can also be realized in the other embodiments of details.In other situations, omit to well-known device, circuit and The detailed description of method, in case unnecessary details hinders the description of the present application.

Embodiments of the invention can be implemented as computer implemented process (method), computing system or such as calculate The product such as machine program product or computer-readable medium.Computer program product can be computer system-readable and encode bag Include the computer-readable storage medium of the computer program for making the instruction of computer or computing system execution instantiation procedure.Computer Readable storage medium storing program for executing is non-transient computer readable memory devices.For example, computer-readable recording medium can be via volatile In property computer storage, nonvolatile memory, hard disk drive, flash drive, floppy disk or compact-disc and similar mediums One or more realize.

In addition, term "and/or" in the embodiment of the present application, only a kind of incidence relation for describing affiliated partner, is represented There may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, individualism B these three Situation.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.

In addition, term " first " and " second " in description and claims of this specification and accompanying drawing etc. is to be used for area Not different objects, rather than for limiting particular order." on ", " under ", "left", "right" described in the embodiment of the present invention Simply the present invention will be described for refer to the attached drawing, not as restriction term.

Technical scheme can apply in the various storage devices using hard disk, be particularly suitable for use in using SSD Scene.

Wherein, SSD is also referred to as electronic hard disc or solid-state electronic disk, is (dynamic by control unit and solid state storage elements State random access memory (Dynamic Random Access Memory, DRAM) or FLASH chip) composition hard disk.SSD It is identical with common hard disc on interface specification and definition, function and application method, in product design and size also with it is common hard Disk is consistent.Because SSD does not have the rotating media of common hard disc, thus shock resistance is splendid.And SSD is gathered around compared with common hard disc Have the advantage that：1st, fast, to accelerate to rotate without motor process is started；2nd, without magnetic head, quick random read take, read latency pole It is small；3rd, relatively-stationary read access time, because the addressing time is unrelated with data storage location, therefore disk fragmentses do not interfere with reading Take the time；4th, writing speed is exceedingly fast；5th, it is noiseless；6th, it is internal that any mechanical movable part is not present, mechanical breakdown will not occur, It is not afraid of collision, shock and vibration yet；7th, operating temperature range is bigger, i.e., typical hard disk drive can only be at 5 to 55 degrees Celsius Operated within range, and most of solid state hard discs can be in -10 to 70 degree Celsius operationals, the SSD of some technical grades can also be -40 to 85 Degree Celsius, worked under even more big temperature range.Certainly, SSD is compared with common hard disc, it may have cost is high, capacity is low, writes The shortcomings of entering restricted lifetime.

By taking computer as an example, existing computer can plug multiple hard disk groups in hard disk array frame, be formed cheap Hard disk redundancy array (Redundant Arrays of Inexpensive Disks, RAID), RAID structural representation is as schemed Shown in 2.It can be seen that the hard disk quantity being inserted into a computer is limited, SSD capacity be also it is limited, from And limit the capacity of computer.The embodiment of the present invention provides a kind of tandem type hard disk, can pass through company between tandem type hard disk Device interconnection is connect, realizes the dilatation to storage device in the case where not increasing storage device interface.

The embodiment of the present invention provides a kind of tandem type hard disk 20, the structural representation of the tandem type hard disk 20 as shown in figure 3, Tandem type hard disk 20 comprises at least：First connector 200, hard disk main body 203, the second connector 201, and with the first connector 200th, the cascade chip 202 that the connector 201 of hard disk main body 203 and second is all connected with.

Wherein, the first connector 200, for being electrically connected with the first hard disk or storage device；Second connector 201, is used for Electrically connected with the second hard disk；Cascade chip 202, data transfer to the hard disk main body 203 or second for determining to receive connect Connect device 201.Described the first hard disk and the second hard disk, may each be common hard disc or tandem type hard disk, does not do herein Concrete restriction.

It can be seen that by setting the connector cascaded with other tandem type hard disks in tandem type hard disk, and pass through tandem type The cascade chip set in hard disk realizes the data exchange between tandem type hard disk so that can mutually be connected between tandem type hard disk Connect, to form tandem type hard disk groups, the capacity of tandem type hard disk groups increases substantially compared to the capacity of single hard disk, realized The dilatation to storage device in the case of storage device interface is not increased.

Wherein, in a kind of possible implementation of the embodiment of the present invention, above-mentioned first connector 200 and second connects Device 201 is all SAS connector.Accordingly, above-mentioned cascade chip 202 can be SAS cascade chips.In the another of the embodiment of the present invention In a kind of possible implementation, the above-mentioned connector 201 of first connector 200 and second is all NVME connectors, or SATA Connector, or FC connectors.Accordingly, above-mentioned cascade chip 202 can be NVME cascade chips, SATA cascade chips, FC Cascade chip.

SAS cascade chips, NVME cascade chips, SATA cascade chips, FC cascade chips refer respectively to assist using SAS View, NVME agreements, SATA protocol, the cascade chip of FC agreements, its function and the function phase of cascade chip 202 are same, and difference only exists In the agreement difference for realizing that its function uses.

Further, can closely be connected for two tandem type hard disks of cascade, the embodiment of the present invention provides two kinds of companies Connect mode：

Mode one：By setting fixing device on the shell of tandem type hard disk so that two tandem type hard disks can be tight Close connection.

Mode two：Tandem type hard disk is first fixed on formation tandem type hard disc module on connection member, then passes through company The fixture set on binding component so that two tandem type hard disks can be connected closely.

In order to make it easy to understand, as shown in figure 4, one embodiment of the invention is connected with above-mentioned first connector 200 and above-mentioned second It is SAS connector to connect device 201, and reaches close-connected effect with the connected mode of two tandem type hard disk employing modes one Fruit, so that the first hard disk and the second hard disk are tandem type hard disk as an example, the tandem type hard disk that the embodiment of the present application provides is carried out It is specific to introduce.

For the ease of realizing, usual first SAS connector 100 can be a male, and the second SAS connector 101 can be with It is a female；Or first SAS connector 100 can be a female, the second SAS connector 101 can be a public affairs Head, the present invention are not specifically limited to this.

It should be noted that male and female are generally referred to as the both ends of set of connector or extended line.Male is led to It is often one end of needle-like, female is usually one end of socket type.

Further, as shown in figure 5, hard disk main body 103 (part as indicated by dotted line frame in Fig. 5) specifically includes：With The control chip 1030 that cascade chip 102 connects, the standby electric capacity 1031 being connected with control chip 1030, with control chip 1030 The internal memory 1032 being all connected with standby electric capacity 1031, and at least one flash memory FLASH being connected with control chip 1030 1033。

It is exemplary, so that 3 tandem type hard disks cascade as an example, the schematic diagrames of 3 tandem type hard disks cascades as shown in fig. 6, For the ease of description, the tandem type hard disk of top in Fig. 5 is referred to as tandem type hard disk A, the tandem type hard disk among in Fig. 5 is claimed For tandem type hard disk B, the tandem type hard disk of lower section in Fig. 5 is referred to as tandem type disk C, tandem type hard disk A, tandem type hard disk B It is referred to as tandem type hard disk groups after being cascaded with tandem type disk C.As can be seen that tandem type hard disk A the first SAS connector 100 with Corresponding interface connection in storage device, tandem type hard disk A the second SAS connector 101 and tandem type hard disk B the first SAS Connector 100 connects, and tandem type hard disk B the second SAS connector 101 connects with the first SAS connector 100 of tandem type disk C Connect.Meanwhile the cascade chip 102 in tandem type hard disk A, tandem type hard disk B and tandem type disk C can Collaborative Control storage set The storage of the standby data issued.For example, the data for needing to be stored in tandem type hard disk A issued for storage device, storage are set Standby the first SAS connector 100 by tandem type hard disk A sends data to tandem type hard disk A cascade chip 102, cascade Formula hard disk A cascade chip 102, will when the data for determining to receive need to be transmitted to tandem type hard disk A hard disk main body 103 Data transfer to tandem type hard disk A hard disk main body 103 is received to be stored.It is stored in for the needs that storage device issues Tandem type hard disk B data, storage device send data to tandem type by tandem type hard disk A the first SAS connector 100 Hard disk A cascade chip 102, tandem type hard disk A cascade chip 102 need to be transmitted to tandem type in the data for determining to receive During hard disk A the second SAS connector 101, second SAS connector 101 of the data transfer to tandem type hard disk A will be received, with Send data to tandem type hard disk B.After tandem type hard disk B the first SAS connector 100 receives data, by data transfer To tandem type hard disk B cascade chip 102, tandem type hard disk B cascade chip 102 needs to transmit in the data for determining to receive To tandem type hard disk B hard disk main body 103 when, data transfer to tandem type hard disk B hard disk main body 103 will be received and deposited Storage.Data for needing to be stored in tandem type disk C, its storing process is similar with said process, and here is omitted.Cascade After formula hard disk A, tandem type hard disk B and the cascade of tandem type disk C, capacity that the capacity of tandem type hard disk groups is tandem type hard disk A, Tandem type hard disk B capacity and the capacity sum of tandem type disk C, are realized in the case of storage device interface is not increased to depositing Store up the dilatation of equipment.

Optionally, can closely be connected for two tandem type hard disks 10 of cascade, as shown in fig. 7, tandem type hard disk 10 Also include：The first fixing device 104 being arranged on the shell of tandem type hard disk 10, and it is arranged on the outer of tandem type hard disk 10 The second fixing device 105 on shell.Wherein, the first fixing device be arranged on tandem type hard disk shell with the first tandem type hard disk The side of connection, the second fixing device are arranged on the side being connected with the second tandem type hard disk of tandem type hard disk shell.

Wherein, the first fixing device 104, for being fixedly connected with the first tandem type hard disk, enhancing tandem type hard disk 10 with Active force between first tandem type hard disk；Second fixing device 105, for being fixedly connected with the second tandem type hard disk, enhancing Active force between the tandem type hard disk of tandem type hard disk 10 and second.

It is exemplary, so that 2 tandem type hard disks cascade as an example, the schematic diagrames of 2 tandem type hard disks cascades as shown in figure 8, For the ease of description, the tandem type hard disk of top in Fig. 8 is referred to as tandem type hard disk A, the tandem type hard disk of lower section in Fig. 8 is claimed For tandem type hard disk B, it is referred to as tandem type hard disk groups after tandem type hard disk A and tandem type hard disk B cascades.As can be seen that tandem type Hard disk A the second fixing device 105 (notch) is connected with tandem type hard disk B the first fixing device 104 (cartridge structure), Tandem type hard disk B cartridge structure is caught in tandem type hard disk A notch (as shown in the part of partial enlargement in Fig. 8).

Specifically, tandem type hard disk B the first fixing device 104 and tandem type hard disk A the second fixing device 105 be with Close a pair of the cohesive structures used, a pair of magnetic structure being either used cooperatively or a pair of fastener constructions being used cooperatively.

Further, if tandem type hard disk B the first fixing device 104 and tandem type hard disk A the second fixing device 105 For a pair of fastener constructions, tandem type hard disk B the first fixing device 104 can be cartridge structure, accordingly, tandem type hard disk A the second fixing device 105 can be notch, or, tandem type hard disk B the first fixing device 104 can be neck Structure, accordingly, the second fixing devices of tandem type hard disk A 105 can be coupler construction.Wherein, cartridge structure can be caught in card In slot structure.

Further, spring is also provided with notch, on the one hand can allow two tandem type hard disks of cascade Connection it is more firm, on the other hand using the elastic force of spring, user can be easy to be dismantled.

You need to add is that the first fixing device 104 and the second fixing device 105 that the embodiment of the present invention is mentioned are not only The active force between tandem type hard disk 10 and other tandem type hard disks can be strengthened, additionally it is possible to when changing tandem type hard disk 10 just In dismounting, being individually replaced for tandem type hard disk 10 is realized.It is cartridge structure with tandem type hard disk B the first fixing device 104, Tandem type hard disk A the second fixing device 105 is exemplified by notch, as shown in figure 9, when changing tandem type hard disk B, edge blocks Holder structure be caught in notch opposite direction exert oneself (direction as indicated by the arrow in figure 9), can realize tandem type hard disk A and Tandem type hard disk B separation, so as to realize being individually replaced for tandem type hard disk.

Description based on above-described embodiment, by being provided for what is cascaded with other tandem type hard disks in tandem type hard disk Connector, and the cascade chip by being set in tandem type hard disk realizes the data exchange between tandem type hard disk so that cascade It can be connected mutually between formula hard disk, to form tandem type hard disk groups, the capacity of tandem type hard disk groups is compared to single hard disk Capacity increases substantially, and realizes the dilatation to storage device in the case where not increasing storage device interface.

Another embodiment of the present invention is SAS connector with above-mentioned first connector 200 and above-mentioned second connector 201, And so that the connected mode of two tandem type hard disk employing modes two reaches close-connected effect as an example, the embodiment of the present application is carried The tandem type hard disk of confession is specifically introduced.As shown in Figure 10, the embodiment of the present invention provides a kind of tandem type hard disk 40, includes this The tandem type hard disc module 4 of tandem type hard disk 40, the tandem type hard disc module 4 also include being used to fix tandem type hard disk 40 Connection member 41.

Wherein, tandem type hard disk 40 comprises at least：First SAS connector 400, hard disk main body 403, the second SAS connector 401, and the cascade chip 402 being all connected with the first SAS connector 400, the SAS connector 401 of hard disk main body 403 and second. The structure of the tandem type hard disk 40 is identical with the hard disc structure shown in Fig. 3, will not be repeated here.

As shown in figure 12, connection member 41 comprises at least：Main body 411 is connected, and is arranged in connection main body 411 First connector 412 and the second connector 413；First connector 412, for tandem type hard disc module 4 to be fixedly attached into One hard disk or storage device；Second connector 413, for tandem type hard disc module 4 is fixedly attached into the second hard disk.

Tandem type hard disc module 4 provided in an embodiment of the present invention is hard by the tandem type included in tandem type hard disc module 4 Connector with the cascade of other tandem type hard disks, and the cascade chip 402 by being set in tandem type hard disk 40 are set in disk 10 Realize the data exchange between tandem type hard disk so that can be connected mutually between tandem type hard disc module 4, to form tandem type Hard disk groups.Also, by setting connector on connection member 41 so that energy between two tandem type hard disc modules of cascade Enough close connections.The capacity of tandem type hard disk groups increases substantially compared to the capacity of single hard disk, and realizing is not increasing storage To the dilatation of storage device in the case of equipment interface.

Further, as shown in figure 11, hard disk main body 403 (part as indicated by dotted line in Figure 11) specifically includes：With The control chip 4030 that cascade chip 402 connects, the standby electric capacity 4031 being connected with control chip 4030, with control chip 4030 The internal memory 4032 being all connected with standby electric capacity 4031, and at least one FLASH 4033 being connected with control chip 4030.

It should be noted that in embodiments of the present invention, the main effect of connection member 41 is fixed tandem type hard disk 40, and realize the close connection between tandem type hard disc module, that is to say, that fixation can be played and be fixedly connected with level The structural member of connection formula hard disk effect belongs to the described connection member 41 of the embodiment of the present invention, and connection is tied in the present embodiment The concrete structure of component 41 is not limited.

In order to make it easy to understand, the embodiment of the present invention with a kind of topology example to connection member 41, and connection member 41 are introduced with being fixedly connected for tandem type hard disk 40.As shown in figure 12, tandem type hard disk 40 also includes：It is arranged on tandem type The first fixture 404 on the shell of hard disk 40.Connection member 41 also includes：Second be arranged in connection main body 411 is solid Determine part 414, the first fixture 404 is fixedly connected with the second fixture 414, and tandem type hard disk 40 is fixed on into connection member On 41 so that tandem type hard disk 40 is fixed with the fastening of connection member 41.Wherein, it is hard to be arranged on tandem type for the first fixture 404 The side being connected with connection member 41 of the shell of disk 40, the second fixture 414 are arranged on the hard with tandem type of connection main body 411 The side that disk 40 connects.

Specifically, the first fixture 404 and the second fixture 414 be with the use of a pair of cohesive structures, or coordinate A pair of magnetic structure used, or a pair of fastener constructions being used cooperatively.

Further, if the first fixture 404 and the second fixture 414 are a pair of fastener constructions, the first fixture 404 Can be notch, accordingly, the second fixture 414 can be coupler construction, or, the first fixture 404 can be card Hooking structure, accordingly, the second fixture 414 can be notch.Wherein, coupler construction can be caught in notch.Can Choosing, reed is also provided with coupler construction, to facilitate the assembling of tandem type hard disk 40 and connection member 41.

Further, as shown in figure 12, connection member 41 can also include：The guiding being arranged in connection main body 411 Part 415, the second fixture 414 are arranged on guiding piece 415, and tandem type hard disk 40 can prolong guiding piece 415 under the promotion of external force Slide, the first fixture 404 is fixedly connected with the second fixture 414.Exemplary, as shown in figure 12, the guiding piece 415 is Guide groove.

For example, as shown in figure 12, tandem type hard disk 40 can be existed by guiding piece 415 (guide groove) under the promotion of external force The internal slide of connection main body 411 of connection member 41, so that the second fixture 414 (coupler construction) with reed and first are consolidated Determine part 404 (notch) fastening to fix, form tandem type hard disc module 4 as shown in fig. 13 that.

In embodiments of the present invention, so that 2 tandem type hard disc modules cascade as an example, the connection of 2 tandem type hard disc modules Schematic diagram is as shown in figure 14, and for the ease of description, the tandem type hard disc module of left in Figure 14 is referred to as into tandem type hard disc module A, the tandem type hard disc module of right in Figure 14 is referred to as tandem type hard disc module B, tandem type hard disc module A and tandem type hard disk It is referred to as tandem type hard disk groups after B cascades.As can be seen that the second connector of the connection member that tandem type hard disc module A includes 413 are connected with the first connector 412 of the tandem type hard disc module B connection members included, and e.g., connection formula hard disc module A includes The coupler construction of connection member be caught in the notch for the connection member that tandem type hard disc module B includes.Need to mend Fill, in the embodiment of the present invention, the replacing of single tandem type hard disc module for convenience, as shown in figure 14, Handle Bar 43 can Individually to assemble.After the completion of connection, tandem type hard disk groups as shown in figure 15 are formed.

Exemplary, tandem type hard disc module B the first connector 412 and tandem type hard disc module A the second connector 413 be with the use of a pair of cohesive structures, a pair of magnetic structure being either used cooperatively or be used cooperatively a pair of fastenings Part structure.

Further, if tandem type hard disc module B the first connector 412 and tandem type hard disc module A the second connection Part 413 is a pair of fastener constructions, and tandem type hard disc module B the first connector 412 can be notch, tandem type hard disk Second connector 413 of modules A can be coupler construction, or, tandem type hard disc module B the first connector 412 can be Coupler construction, tandem type hard disc module A the second connector 413 can be notch；Wherein, coupler construction can be caught in card In slot structure.

Further, reed is also provided with notch, using the elastic force of reed, facilitates user to be dismantled.

Another embodiment of the present invention provides a kind of alarm method of tandem type hard disk, and this method is applied in storage device, Storage device includes the tandem type hard disk with any of the above-described feature of N number of cascade, or, storage device includes N number of level The tandem type hard disc module with any of the above-described feature of connection, N are the integer more than or equal to 2, as shown in figure 16, this method Including S101-S104：

S101, storage device obtain the occupied capacity of tandem type hard disk groups.

It should be noted that cascade hard disk groups refer to the group after N number of tandem type hard disk or tandem type hard disc module cascade Into hard disk groups.The occupied capacity mentioned in the embodiment of the present invention refers to each tandem type hard disk in tandem type hard disk groups Occupied capacity sum.Exemplary, if 3 tandem type hard disks (are respectively tandem type hard disk A, tandem type hard disk B and tandem type Disk C) cascade after, tandem type hard disk A occupied capacity be 20GB, and tandem type hard disk B occupied capacity is 50GB, cascade The occupied capacity of formula disk C is 0, then, the occupied capacity of tandem type hard disk groups is 70GB.

S102, storage device judge whether occupied capacity is more than or equal to the first predetermined threshold value.

If S103, occupied capacity are more than or equal to the first predetermined threshold value, storage device is judged in tandem type hard disk groups Whether the number of the tandem type hard disk to break down is the second predetermined threshold value.

If the number of the tandem type hard disk to be broken down in S104, tandem type hard disk groups is the second predetermined threshold value, storage is set Preparation goes out alarm, wherein, the first predetermined threshold value corresponds with the second predetermined threshold value.

Below, step S102, step S103 and step S104 are described in detail：

When the occupied capacity of tandem type hard disk groups is more than or equal to the first predetermined threshold value, and sent out in tandem type hard disk groups When the number of the tandem type hard disk of raw failure is the second predetermined threshold value, illustrate that now tandem type hard disk groups can not meet work at present Needs, therefore storage device can send alarm, remind user to change the tandem type hard disk to break down.

Meanwhile the alarm that the embodiment of the present invention is previously mentioned can be that sound, light, vibrations etc. can cause what user paid attention to Warning information, can also be the warning information that the electronic equipment used to user is sent in the form of mail, short message, pop-up etc., this Invention is not specifically limited to this.

It should be noted that can be set in storage device more than one set predetermined threshold value (i.e. including the first predetermined threshold value, with And the second predetermined threshold value corresponding with the first predetermined threshold value).In a kind of possible implementation, it can be stored in storage device The corresponding lists of one the first predetermined threshold value and the second predetermined threshold value, as shown in table 1：

Table 1

First predetermined threshold value	Second predetermined threshold value
		100	5
200	4
		……	……
500	1

Wherein, the value of the second predetermined threshold value is that number N positive integer is cascaded less than tandem type hard disk.

It is understood that the above-mentioned correspondence that first predetermined threshold value and the second predetermined threshold value are stored in storage device The scheme of list is to store a kind of achievable mode of the first predetermined threshold value and the second predetermined threshold value corresponding relation, other energy The scheme for enough embodying the first predetermined threshold value and the second predetermined threshold value corresponding relation also belongs to the protection domain of the embodiment of the present invention, The present invention is not specifically limited to this.

Exemplary, if the usable capacity of each tandem type hard disk is X in N number of tandem type hard disk, first presets threshold It is N-C to be worth for C*X, the second predetermined threshold value, wherein, C is the integer more than or equal to 1, and less than N, as shown in figure 17, step S102-S104 can include S102a-S104a：

S102a, storage device judge whether occupied capacity is more than or equal to C*X.

If S103a, occupied capacity are more than or equal to C*X, storage device judges to break down in tandem type hard disk groups The number of tandem type hard disk whether be N-C.

If the number of the tandem type hard disk to be broken down in S104a, tandem type hard disk groups is N-C, storage device is sent Alarm.

It is exemplary, the number of the tandem type hard disk included using tandem type hard disk groups as 3, each tandem type hard disk can The use of capacity is to illustrate exemplified by 100GB, C can take in the alarm method of tandem type hard disk provided in an embodiment of the present invention 1 or 2, i.e., it can include two group of first predetermined threshold value and the second predetermined threshold value in the alarm method of tandem type hard disk：First group In the first predetermined threshold value be 100GB, the second predetermined threshold value is 2；The first predetermined threshold value in second group is 200GB, and second is pre- If threshold value is 1.

First, storage device judges whether occupied capacity is more than or equal to 100GB, if occupied capacity is less than 100GB, then storage device is without alarm；If occupied capacity is more than or equal to 100GB, storage device judges tandem type Whether the number of the tandem type hard disk to be broken down in hard disk groups is 2.If now storage device is judged in tandem type hard disk groups The number of the tandem type hard disk to break down is 1 or 0, then storage device is without alarm；If now storage device is sentenced The number of the tandem type hard disk to be broken down in disconnected tandem type hard disk groups is 2, then illustrates that now tandem type hard disk groups can not expire The needs of sufficient work at present, therefore storage device sends alarm.

Then, storage device judges whether occupied capacity is more than or equal to 200GB, if occupied capacity be more than or Equal to 200GB, then storage device judges whether the number of the tandem type hard disk to be broken down in tandem type hard disk groups is 1.If Now storage device judges the number of the tandem type hard disk to be broken down in tandem type hard disk groups for 0, then storage device is not entered Row alarm；If the number that now storage device judges the tandem type hard disk to be broken down in tandem type hard disk groups illustrates for 1 Now tandem type hard disk groups can not meet the needs of work at present, therefore storage device sends alarm.

Further, this method can also include S105 and S106：

S105, storage device judge whether the number of the tandem type hard disk to be broken down in tandem type hard disk groups is N number of.

If the number of the tandem type hard disk to be broken down in S106, tandem type hard disk groups is N number of, storage device sends announcement It is alert.

When tandem type hard disk all in tandem type hard disk groups breaks down, then storage device directly sends alarm, with User is reminded to change tandem type hard disk.

The embodiment of the present invention provides a kind of alarm method of tandem type hard disk, applied to storage device, is wrapped in storage device Include the tandem type hard disk with any of the above-described feature of N number of cascade, N is the integer more than or equal to 2, the announcement of tandem type hard disk Alarm method includes：Storage device obtains the occupied capacity of tandem type hard disk groups；Determine that occupied capacity is more than in storage device Or equal to the first predetermined threshold value, and the number of the tandem type hard disk to be broken down in tandem type hard disk groups is the second predetermined threshold value When, storage device sends alarm, wherein, the first predetermined threshold value corresponds with the second predetermined threshold value.Based on above-described embodiment Description, storage device are sent out in tandem type hard disk groups by it is determined that occupied capacity is more than or equal to the first predetermined threshold value The number of the tandem type hard disk of raw failure sends warning information when being the second predetermined threshold value, reminds cascade of the user to breaking down Formula hard disk is changed.Simultaneously as it is by one between tandem type hard disk by the first fixing device and the second fixing device What the first SAS connector of tandem type hard disk and the second SAS connector of another tandem type hard disk connected, user is more It can easily be dismantled when changing tandem type hard disk, realize being individually replaced for tandem type hard disk, reduce the workload of maintenance.

The embodiment of the present invention also provides a kind of storage device, and the storage device is used for the alarm for performing above tandem type hard disk The step performed by storage device in method.Storage device provided in an embodiment of the present invention can be included corresponding to corresponding steps Module.

The embodiment of the present invention can carry out the division of functional module according to above method example to storage device, for example, can Each functional module is divided with corresponding each function, two or more functions can also be integrated in One function module In.Above-mentioned integrated module can both be realized in the form of hardware, can also be realized in the form of software function module.This Schematical, only a kind of division of logic function during division to module in inventive embodiments, can have another when actually realizing Outer dividing mode.

As shown in figure 18, the storage device includes：Communication interface 30, processor 31 and memory 32.Wherein, communication interface 30th, connected between processor 31 and memory 32 by system bus 33, and complete communication each other.

When storage device is run, the storage device performs the alarm method of the tandem type hard disk of embodiment as shown, The alarm method of specific tandem type hard disk can be found in the associated description in the above-mentioned embodiment as shown in Figure 16-Figure 17, herein Repeat no more.

Wherein, communication interface 30 is used for other equipment or communication, such as Ethernet, WLAN etc..It is specifically, logical Letter interface 30 can mainly include receiver 300 and transmitter 301, wherein, receiver 300 can receive other equipment or communication network The data of transmission.Transmitter 301 can send data to other equipment or communication network.

Wherein, memory 32 can be used for the program code and application module for storing the storage device, and processor 31 passes through Operation is stored in the software program and application module of memory 32, so as to perform the various function application of storage device and number According to processing.

Memory 32 can mainly include storing program area 320 and storage data field 321, wherein, storing program area 320 can deposit Application program needed for storage operating system, at least one function；Storage data field 321 can store mentioned in above-described embodiment One predetermined threshold value and the second predetermined threshold value corresponding relation.

Wherein, memory 32 can be read-only storage (Read-only Memory, ROM), or can store static information With the other kinds of static storage device of instruction, random access memory (Random Access Memory, RAM) or can Storage information and the other kinds of dynamic memory or EEPROM of instruction (Electrically Erasable Programmable Read-Only Memory, EEPROM), magnetic disk storage medium or Other magnetic storage apparatus or can be used in carrying or store with instruction or data structure form desired program code simultaneously Can be by any other medium of storage device access, but not limited to this.

Memory 32 can be individually present, and be connected by system bus 33 with processor 31.Memory 32 can also Integrated with processor 31.

Processor 31 is the control centre of storage device.Using various interfaces and connection, entirely storage is set processor 31 Standby various pieces, by running or performing the software program being stored in memory 32 and/or application module, and call and deposit The data in memory 32 are stored up, perform the various functions and processing data of storage device, it is overall so as to be carried out to storage device Monitoring.

In the specific implementation, as a kind of embodiment, processor 31 can include one or more CPU, such as in Figure 18 Processor 31 include CPU 0 and CPU 1.

System bus 33 can be ISA (Industry Standard Architecture, industry standard architecture) Bus, PCI (Peripheral Component Interconnect, external equipment interconnection) buses or EISA (Extended Industry Standard Architecture, extended industry-standard architecture) bus etc..The system bus 33 can divide For address bus, data/address bus, controlling bus etc..For clear explanation in the embodiment of the present invention, in figure 18 by various buses All it is illustrated as system bus 33.

Further, storage device can also include power supply (being not drawn into accompanying drawing), for the different portions to storage device Part is powered to maintain its operation.Understand as generality, power supply can be built-in battery, such as common lithium-ion electric Pond, Ni-MH battery etc., also include the external power supply directly powered to storage device, such as exchange (Alternating Current, AC) adapter etc..In some embodiments provided in an embodiment of the present invention, power supply can also be made more extensive Definition, for example, can also include power-supply management system, charging system, power failure detection circuit, power supply changeover device or inverter, Power supply status indicator (such as light emitting diode), and other associated with the generation of the electric energy of storage device, management and distribution Any component.

Accordingly, another embodiment of the application also provides a kind of computer-readable recording medium, the computer-readable storage Medium includes one or more program codes, and one or more programs include instruction, when the processor in storage device is being held During the row program code, the storage device performs the alarm method of the tandem type hard disk described by above-described embodiment.

In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with Realize by another way.

Based on such understanding, part that the technical scheme of the application substantially contributes to prior art in other words or The all or part of person's technical scheme can be embodied in the form of software product, and the computer software product is stored in one In individual storage medium, including some instructions to cause a computer equipment (can be personal computer, server, or Network equipment etc.) or processor (processor) perform each embodiment methods described of the application all or part of step.And Foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory Device (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.

Although having been described for the preferred embodiment of the application, those skilled in the art once know basic creation Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent Select embodiment and fall into having altered and changing for the application scope.

Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies Within, then the application is also intended to comprising including these changes and modification.

Claims

1. a kind of tandem type hard disk, it is characterised in that the tandem type hard disk comprises at least：First connector, hard disk main body, the Two connectors, and the cascade chip being all connected with first connector, the hard disk main body and second connector；

Wherein, first connector, for being electrically connected with the first hard disk or storage device；

Second connector, for being electrically connected with the second hard disk；

The cascade chip, for the data transfer that determination will receive to the hard disk main body or second connector.

2. tandem type hard disk according to claim 1, it is characterised in that when first connector is used for and the storage When equipment electrically connects, the tandem type hard disk also includes：Fixing device；

The fixing device, for being fixedly connected with second hard disk.

3. tandem type hard disk according to claim 1, it is characterised in that when first connector is used for and described first When hard disk electrically connects, the tandem type hard disk also includes：First fixing device and the second fixing device；

Wherein, first fixing device, for being fixedly connected with first hard disk；

Second fixing device, for being fixedly connected with second hard disk.

4. tandem type hard disk according to claim 1, it is characterised in that the tandem type hard disk also includes：First fixes Part；

Wherein, first fixture, for being connected with connection member, the tandem type hard disk is fixed on the connection On structural member.

5. the tandem type hard disk according to any one in claim 1-4, it is characterised in that the hard disk main body is specifically wrapped Include：The control chip being connected with the cascade chip, the standby electric capacity being connected with the control chip, with the control chip and The internal memory that the standby electric capacity is all connected with, and at least one flash memory FLASH being connected with the control chip.

6. the tandem type hard disk according to any one of claim 1-5, it is characterised in that

First connector and the small computer system interface SAS connector that second connector is serial connection, or Person,

Nonvolatile memory standard NVME connectors；Or

Serial Advanced Technology Attachment ata interface specification SATA connector；Or

Fibre Channel connector.

A kind of 7. alarm method of tandem type hard disk, applied to storage device, it is characterised in that the storage device includes N The tandem type hard disk as described in any one in claim 1-6 of individual cascade, N are integer more than or equal to 2, the level The alarm method of connection formula hard disk includes：

Storage device obtains the occupied capacity of tandem type hard disk groups, and it is hard that the tandem type hard disk groups include N number of tandem type Disk；

Determine that the occupied capacity is more than or equal to the first predetermined threshold value, and the tandem type hard disk in the storage device When the number of the tandem type hard disk to be broken down in group is the second predetermined threshold value, the storage device sends alarm, wherein, First predetermined threshold value corresponds with second predetermined threshold value.

8. the alarm method of tandem type hard disk according to claim 7, it is characterised in that in N number of tandem type hard disk The usable capacity of each tandem type hard disk is X, and first predetermined threshold value is C*X, and second predetermined threshold value is N-C, Wherein, C is the integer more than or equal to 1, and less than N；

It is described to determine that the occupied capacity is more than or equal to the first predetermined threshold value, and the tandem type in the storage device When the number of the tandem type hard disk to be broken down in hard disk groups is the second predetermined threshold value, the storage device sends alarm, Specifically include：

Determine that the occupied capacity is more than or equal to C*X in the storage device, and occur in the tandem type hard disk groups When the number of the tandem type hard disk of failure is N-C, the storage device sends alarm.

9. the alarm method of the tandem type hard disk according to claim 7 or 8, it is characterised in that methods described also includes：

It is N number of in the number for the tandem type hard disk that the storage device confirms to break down in the tandem type hard disk groups When, the storage device sends alarm.

A kind of 10. tandem type hard disc module, it is characterised in that including：Tandem type hard disk, and it is hard for fixing the tandem type The connection member of disk；

The tandem type hard disk comprises at least：First connector, hard disk main body, the second connector, and be connected with described first The cascade chip that device, the hard disk main body and second connector are all connected with；First connector is used for and the first hard disk Or storage device electrical connection, second connector, for being electrically connected with the second hard disk, the cascade chip will for determination The data transfer received is to the hard disk main body or second connector；

The connection member comprises at least：Main body is connected, and the first connector and the being arranged in the connection main body Two connectors；First connector, for the tandem type hard disc module to be fixedly attached into first hard disk or described Storage device；Second connector, for the tandem type hard disc module to be fixedly attached into second hard disk.

11. tandem type hard disc module according to claim 10, it is characterised in that

The tandem type hard disk also includes：First fixture；

The connection member also includes：The second fixture being arranged in the connection main body；

First fixture is fixedly connected with second fixture, and the tandem type hard disk is fixed on into the connection ties On component.

12. the tandem type hard disc module according to claim 10 or 11, it is characterised in that the connection member also wraps Include：The guiding piece being arranged in the connection main body, second fixture are arranged on the guiding piece, and the tandem type is hard Disk can prolong the guiding piece under the promotion of external force and slide, and first fixture is fixedly connected with second fixture.

13. the tandem type hard disc module according to any one of claim 10-12, it is characterised in that

First connector and the small computer system interface SAS connector that second connector is serial connection；Or Person,

Nonvolatile memory standard NVME connectors；Or

Fibre Channel connector.

14. a kind of tandem type hard disk, the tandem type hard disk comprises at least：The small computer system interface of first serial connection SAS connector, and tandem type hard disk main body, it is characterised in that the tandem type hard disk also includes：Second SAS connector, with And the cascade chip being all connected with first SAS connector, the tandem type hard disk main body and second SAS connector；

Wherein, second SAS connector, it is connected for first SAS connector with other tandem type hard disks；

The cascade chip, for controlling the cascade of the tandem type hard disk and other tandem type hard disks.