CN107391049A - Storage connection equipment and storage system - Google Patents
Storage connection equipment and storage system Download PDFInfo
- Publication number
- CN107391049A CN107391049A CN201710807727.4A CN201710807727A CN107391049A CN 107391049 A CN107391049 A CN 107391049A CN 201710807727 A CN201710807727 A CN 201710807727A CN 107391049 A CN107391049 A CN 107391049A
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- host computer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0727—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a storage system, e.g. in a DASD or network based storage system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0793—Remedial or corrective actions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0659—Command handling arrangements, e.g. command buffers, queues, command scheduling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
- G06F3/0676—Magnetic disk device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention discloses one kind to store connection equipment and storage system, and storage connection equipment includes：First interface, for connecting host computer；Second interface, for connecting External memory equipment；Processing unit, the processing unit is connected with the first interface, the second interface, the processing unit is used to shield the standard operation system order that the host computer is sent, and after the nonstandard operating system order that the host computer is sent is received, the nonstandard operating system order is converted into standard operation system order, and the standard operation system order being converted to is sent into the External memory equipment.Storage connection equipment provided by the invention can be reduced because the failure area in External memory equipment causes the generation of host computer operation interim card problem, can also realize access of the host computer to External memory equipment.
Description
Technical field
The present invention relates to technical field of memory, and in particular to one kind storage connection equipment and storage system.
Background technology
For current USB storage device, if storage medium damage, either magnetizing mediums or flash media, all can
The normal access of operating system is had influence on, for example, after due to USB storage device access host computer (such as personal PC), host computer
Operating system can read the sectors such as MBR, DBR automatically by standard operation system order, if these area damages, it will usually make
The problem of interim card being run into host computer.
The content of the invention
It is an object of the invention to provide one kind to store connection equipment and storage system, it is possible to reduce because external storage is set
Failure area in standby causes the generation of host computer operation interim card problem.
To achieve the above object, technical scheme provides a kind of storage connection equipment, including：
First interface, for connecting host computer；
Second interface, for connecting External memory equipment；
Processing unit, the processing unit are connected with the first interface, the second interface, and the processing unit is used for
The standard operation system order that the host computer is sent is shielded, and when the non-standard operation system for receiving the host computer transmission
After system order, the nonstandard operating system order is converted into standard operation system order, and by the mark being converted to
Quasi- operating system command sends the External memory equipment.
Preferably, the standard operation system order is standard SCSI command, the nonstandard operating system order be by
The order formulated according to the nonstandard collimator frame of SCSI protocol.
Preferably, the processing unit includes memory and the processor being connected with the memory；
The memory is used to store the corresponding relation between nonstandard operating system order and standard operation system order；
The processor is used to detect the order that the first interface receives, if detecting, the first interface connects
The order of receipts is standard operation system order, then the processor sends invalid letter by the first interface to the host computer
Breath, so that the host computer is abandoned with External memory equipment described in standard operation system command access, if detection described first connects
The order that mouth receives is the nonstandard operating system order, then the nonstandard operating system life is obtained from the memory
Standard operation system order corresponding to order, and the corresponding standard operation system order is passed through into the second interface and sends institute
State External memory equipment.
Preferably, the storage connection equipment also includes the supply unit being connected with the processing unit, the power supply dress
Put for being powered under the control of the processing unit to the External memory equipment.
Preferably, the first interface and the second interface are USB interface.
To achieve the above object, technical scheme additionally provides a kind of storage system, including above-mentioned storage connects
Connect equipment, the host computer and the External memory equipment.
Preferably, when the host computer stores the damage area for connecting equipment and reading the External memory equipment by described
Behind domain, the host computer connects equipment by the storage and reset operation, reference address jump is carried out to the External memory equipment
Turn at least one of operation, forward and reverse reading conversion operation operation.
Preferably, the reset operation includes following at least one：Warm reset, hard reset, power reset.
Preferably, the External memory equipment includes following at least one：Flash memory device, disk storage equipment.
Preferably, the host computer uses Windows operating system or linux operating systems or UNIX operating system or class
UNIX operating system.
Storage connection equipment provided by the invention, can avoid host computer using standard operation system order to external storage
Equipment is directly accessed, and then can be reduced because the failure area in External memory equipment causes host computer operation interim card to ask
The generation of topic, in addition, the nonstandard operating system order that host computer is sent is converted into External memory equipment by processing unit
Recognizable standard operation system order, it is possible to achieve access of the host computer to External memory equipment.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram for storage connection equipment that embodiment of the present invention provides；
Fig. 2 is a kind of schematic diagram for storage system that embodiment of the present invention provides.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Referring to Fig. 1, Fig. 1 is a kind of schematic diagram for storage connection equipment that embodiment of the present invention provides, and the storage connects
Equipment includes：
First interface 11, for connecting host computer；
Second interface 12, for connecting External memory equipment；
Processing unit 13, the processing unit are connected with the first interface 11, the second interface 12, the processing dress
Put 13 to be used to shield the standard operation system order that the host computer is sent, and work as and receive the nonstandard of the host computer transmission
After quasi- operating system command, the nonstandard operating system order is converted into standard operation system order, and by the conversion
Obtained standard operation system order sends the External memory equipment.
The storage connection equipment that embodiment of the present invention provides, can avoid host computer from using standard operation system order pair
External memory equipment is directly accessed, and then can be reduced because the failure area in External memory equipment causes host computer to transport
The generation of row interim card problem, in addition, the nonstandard operating system order that host computer is sent is converted into outside by processing unit
The recognizable standard operation system order of storage device, it is possible to achieve access of the host computer to External memory equipment.
Wherein, in embodiments of the present invention, the standard operation system order can be standard SCSI (Small
Computer System Interface, small computer system interface) order, the nonstandard operating system order be by
The order (i.e. non-standard scsi command) formulated according to the nonstandard collimator frame of SCSI protocol.
For example, in embodiments of the present invention, the processing unit includes memory and is connected with the memory
Processor；
The memory is used to store the corresponding relation between nonstandard operating system order and standard operation system order,
For example, non-standard SCSI corresponding to the setting of each standard SCSI command can be ordered according to the nonstandard collimator frame of SCSI protocol in advance
Order, and scsi command, the non-standard scsi command and corresponding relation between the two are stored into memory；
The processor is used to detect the order that the first interface receives, if detecting, the first interface connects
The order of receipts is standard operation system order, then the processor sends invalid letter by the first interface to the host computer
Breath, so that the host computer is abandoned with External memory equipment described in standard operation system command access, if detection described first connects
The order that mouth receives is the nonstandard operating system order, then the nonstandard operating system life is obtained from the memory
Standard operation system order corresponding to order, and the corresponding standard operation system order is passed through into the second interface and sends institute
State External memory equipment.
Preferably, in the present invention, the storage connection equipment also includes the supply unit being connected with the processing unit,
The supply unit is used to be powered the External memory equipment under the control of the processing unit；For example, the electricity
Source device can be powered using direct current supply mode to External memory equipment.
Wherein, in embodiments of the present invention, the first interface and the second interface can be USB interface (such as
The interfaces of USB 3.0).For example, first interface is USB public affairs mouths, second interface is mother's USB mouth.
Embodiment of the present invention additionally provides a kind of storage system, including above-mentioned storage connection equipment, the host computer
And the External memory equipment.
Wherein, when the host computer stores the failure area for connecting equipment and reading the External memory equipment by described
Afterwards, by the storage connection, equipment carries out reset operation to the host computer to the External memory equipment, reference address redirects
At least one of operation, forward and reverse reading conversion operation operation, for example, the reset operation can include following at least one
Kind：Warm reset, hard reset, power reset.
Wherein, in the present invention, the External memory equipment can be flash memory device or disk storage equipment, example
Such as, it can be other USB storage devices such as USB flash disk, mobile hard disk.
Wherein, in the present invention, the host computer can use Windows operating system or linux operating systems or
UNIX operating system or class UNIX operating system, for example, host computer can use all support SCSI marks such as MACOS, FreeBSD
Accurate class UNIX operating system, can also use embedded OS, such as iOS, embedded Linux.
Referring to Fig. 2, Fig. 2 is a kind of schematic diagram for storage system that embodiment of the present invention provides, and the storage system includes
Host computer 1, storage connection equipment 2 and External memory equipment 3；
Wherein, host computer 1 can connect other external equipments by USB interface thereon；
Storage connection equipment 2 includes processing unit 23, the first interface 21 for connecting host computer, deposited for connecting outside
The second interface 22 and supply unit 24 of equipment are stored up, processing unit 23 is used to send External memory equipment shielding host computer 1
Standard operation system order (standard SCSI command), and when the nonstandard operating system that receive the host computer 1 and send
After ordering (non-standard scsi command), the nonstandard operating system order is converted into the recognizable mark of External memory equipment 3
Quasi- operating system command, and the standard operation system order that this is converted to sends External memory equipment 3；
Wherein, first interface 21 is USB public affairs mouths, and second interface 22 is mother's USB mouth, and processing unit includes processor and storage
Device, nonstandard operating system order (non-standard scsi command) and the External memory equipment of host computer transmission are stored with memory
Corresponding relation between recognizable standard operation system order (standard SCSI command)；
It is upper if host computer is directly connected by its USB interface with External memory equipment for above-mentioned storage system
The operating system of machine sends standard operation system order (such as standard SCSI command) to External memory equipment automatically, realizes outside deposit
The access of equipment is stored up, is set because the unified scsi command of the operating system generally use time-out time of host computer accesses external storage
Standby (such as USB storage device), (host computer does not receive external storage and set president's time interim card after running into storage medium failure area
Standby corresponding return information), the problems such as causing the associative operation interface interim card of host computer and storage device to crash；
When host computer 1 is connected by storing connection equipment 2 with External memory equipment 3, if the processor of processing unit 23
Detect that the order that host computer is sent is standard operation system order, then invalid letter is sent to host computer 1 by first interface 21
Breath, the operating system of host computer is judged that the External memory equipment is the equipment that can not be accessed, and then make the operation system of host computer
System is abandoned with the standard operation system command access External memory equipment, if the processor of processing unit 23 detects that host computer is sent out
The order sent is default nonstandard operating system order, then by the information in the memory of processing unit 23 that this is non-standard
Operating system command translates the standard operation system order that (conversion) can recognize that into External memory equipment 3, and this is converted to
Standard operation system order sent by second interface 22 to External memory equipment 3, External memory equipment 3 connects according to from storage
The standard operation system order for connecing the reception of equipment 2 carries out associative operation, and then realizes that host computer 1 is read by storing connection equipment 2
Take the data in External memory equipment 3 or (now, host computer recognizes storage connection to the write-in of External memory equipment 3 data
Equipment, rather than External memory equipment, host computer can not directly access External memory equipment)；
Wherein, to realize above-mentioned function, corresponding firmware can be set in the memory of processing unit, it is real by the firmware
The control function of existing processor, including shielding host computer send standard operation system order, device enumeration, access operation system
And the function such as power supply；
The nonstandard operating system order that host computer is sent is converted into External memory equipment by storage connection equipment 2 can
The standard operation system order of identification, the data of External memory equipment storage can be sent to host computer by storing connection equipment,
The reading of sector data in External memory equipment is realized, and then can realize that host computer scans to the bad track of External memory equipment,
File system parses and overall mirror image, in addition, host computer can be with the media damage region of Intelligent Recognition External memory equipment simultaneously
Take corresponding processing mode to reduce the time loss to be conducted interviews to these regions, such as can include to External memory equipment
Carry out warm reset, hard reset or power reset, reference address redirect, forward and reverse the methods of reading conversion and to these methods
Comprehensive to use, for example, when reading the media damage region of External memory equipment, host computer 1 can store connection equipment 2 from trend
Processing unit send power reset order, storage connection equipment 2 processing unit after the power reset order is received lead to
Control supply unit 24 is crossed, realizes the power reset of External memory equipment；
Such as, in the present invention it is possible to by way of application program is installed in host computer, realize non-standard operation system
The functions such as transmission, bad track scanning, file system parsing and overall mirror image of system order.
The storage system that embodiment of the present invention provides, not only solves and is accessed by operating system standard file system
Time uncontrollable problem during USB storage device media damage region, also solve operating system and access USB storage device automatically and lead
The equipment of cause can not be accessed, crashed, host computer operation interim card problem, in addition, the supply unit that equipment is connected by storing can be with
The power supply to USB storage device is realized, guarantee can be conducted interviews with automatic continuous to equipment, furthermore it is also possible to realize
The functions such as storage device mirror image, bad track processing, file system parsing so that can while standard operation system order is shielded
The data directly stored in parsing USB storage device.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.
Claims (10)
1. one kind storage connection equipment, it is characterised in that including：
First interface, for connecting host computer；
Second interface, for connecting External memory equipment；
Processing unit, the processing unit are connected with the first interface, the second interface, and the processing unit is used to shield
The standard operation system order that the host computer is sent, and when the nonstandard operating system life for receiving the host computer transmission
After order, the nonstandard operating system order is converted into standard operation system order, and the standard being converted to is grasped
Make system command and send the External memory equipment.
2. storage connection equipment according to claim 1, it is characterised in that the standard operation system order is standard
Scsi command, the nonstandard operating system order are the order formulated according to the nonstandard collimator frame of SCSI protocol.
3. it is according to claim 1 storage connection equipment, it is characterised in that the processing unit include memory and with
The connected processor of the memory；
The memory is used to store the corresponding relation between nonstandard operating system order and standard operation system order；
The processor is used to detect the order that the first interface receives, if detecting what the first interface received
To order as standard operation system order, then the processor sends invalid information by the first interface to the host computer,
So that the host computer is abandoned with External memory equipment described in standard operation system command access, connect if detecting the first interface
The order of receipts is the nonstandard operating system order, then the nonstandard operating system order pair is obtained from the memory
The standard operation system order answered, and the corresponding standard operation system order is sent outside described by the second interface
Portion's storage device.
4. it is according to claim 1 storage connection equipment, it is characterised in that it is described storage connection equipment also include with it is described
The connected supply unit of processing unit, the supply unit are used to set the external storage under the control of the processing unit
It is standby to be powered.
5. storage connection equipment according to claim 1, it is characterised in that the first interface and the second interface are equal
For USB interface.
6. a kind of storage system, it is characterised in that including any described storage connection equipment of claim 1-5, described upper
Machine and the External memory equipment.
7. storage system according to claim 6, it is characterised in that when the host computer connects equipment by the storage
After the failure area for reading the External memory equipment, the host computer connects equipment by the storage and the outside is deposited
Storage equipment carries out at least one of reset operation, reference address skip operation, forward and reverse reading conversion operation operation.
8. storage system according to claim 7, it is characterised in that the reset operation includes following at least one：
Warm reset, hard reset, power reset.
9. storage system according to claim 6, it is characterised in that the External memory equipment includes following at least one
Kind：Flash memory device, disk storage equipment.
10. storage system according to claim 6, it is characterised in that the host computer using Windows operating system or
Linux operating systems or UNIX operating system or class UNIX operating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807727.4A CN107391049B (en) | 2017-09-08 | 2017-09-08 | Storage connection device and storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807727.4A CN107391049B (en) | 2017-09-08 | 2017-09-08 | Storage connection device and storage system |
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| CN107391049A true CN107391049A (en) | 2017-11-24 |
| CN107391049B CN107391049B (en) | 2023-05-26 |
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