TWI312148B - - Google Patents

Description

1312148 - V. INSTRUCTIONS (]) ---- TECHNICAL FIELD OF THE INVENTION The present invention relates to an electrical system for arranging to an array data storage switching control system, which can apply J Channel RAID C, Edundan;t?ar^:;^^^ HDD)^ Listed hard disk pack f 'and the array type data: 』ndent :...) array of two data; take, for example, several hard disks...^ Channel A selection of two Becco storage units and data access for a variety of different purposes, such as the genre, - group link mode, : : 杈, including - backup link mode [prior art] Λ and - @ Performance link mode. Because of the data processed by the network servo, most of them are equipped with & _a_ π ~ the hanging sentence is not huge, because (1) bre tribute storage device, for example, fc

(Redundant Ar ^ ^ (FC HDD) RAID array type hard monument f ^ ^ / Pendent Disks) standard specifications data service function. These = j ridges are composed of a large number of units, and the j: 弋 枓 storage device is composed of a plurality of hard disk materials, and each _ hard _ independent operation to access external network server access data. The Bessie access channel allows the storage of the data of the above-mentioned array data storage device to be provided - the backup has a need for the I oyster to cook a hard disk unit

] 7680英业达.ptd Page 5 1312148 V. Invention Description (2) • When a fault condition occurs, "^ dance; or if there is any - 卩 by f - a hard disk unit as a backup immediately by another - Data storage: Single storage: When the channel is disconnected, the feeder can still be normal: :J: Let the external network take. J 八贝枓 storage device for data storage: content]

The main esteem of the present invention is MB,*»,,, and the purpose of the present invention is to provide an array type data #六装置 linkage switching control system, which can be used for different purposes. Column tribute storage 裴ϋ 覃 偌 八 八 八 八 八 八 八 ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ 存取 存取 存取 存取 存取 存取 存取 存取 存取 存取 存取 存取 存取 存取 存取 存取 存取The phantom mode is set to different operations. 发明Inventive ^Array type f material storage device connection switching control system is designed to be applied to an array data storage device, for example, the standard of f丨bre Channel Multiple hard disk modules (fc HDD) or - RAID (Redundant Array 〇f Independent) connected to the transmission interface

Di sks) type array hard disk device, and the array data storage device has a plurality of data storage units connected in an array (for example, a plurality of hard disk modules) and at least two data access channels for An optional connection switching control sequence is performed between the data storage unit and the data access channel, thereby providing a plurality of different access connection modes, including a backup connection mode, a packet connection mode, and a High performance link mode. The advantage of the array type data storage device connection switching control system of the present invention is that the array data storage device can be set up according to different purposes. 680 Inventec. ptd Page 6 1312148 V. Invention Description (3) Making the network servo The system management work is more flexible to different operating modes. [Embodiment] An embodiment of an array type, storage device connection switching control system of the present invention will be described in detail in the drawings attached to the second embodiment. Ϊ Ϊ Above: The basic structure of the obJect_wted component model is not used in the array data storage device of the present invention. The data storage shock connection switch control map is two kilograms, and the array of the present invention is matched to an array of data storage 妒" in the continuous application, only the 丨 (four) 廿 廿 1 〇, and the fish 一 1 〇 have A plurality of data storage units (in the embodiment of the phantom lean storage device, the array data storage device 10 has, 6 funds: household:: in the example 'false 13, 14, 5, 16; but the maximum number / Depending on the size of the unit U, 丨 2, and set to 10), and splicing to the sneak peek, the 6-fold array data storage includes a first data access channel 2 and a first data. The access channel includes the data storage unit Π, 12, and a lean access channel 22 for performing between the channels 2 1 and 22 - selective upper 4, 乂 5, i 6 and data access Therefore, a plurality of different control sequences are provided to borrow-backup connection mode 4 and a group connection: effect, junction mode, and inclusion. "D - still performance connection mode, as shown by brother 2A circle, backup device 1 All the information in the ^ ^ production will be _ column f material de left 1312148 five, invention description (4) ____ ___-^ access channel 2 2 (ie The first _ _ _ _ a data access channel 22 as a backup). When the second _ _ access channel 2] = ^], 】 2, 】 3, 】 4, J5, or] 6 When the line is in the condition of changing the line of the poor storage device, the disconnection condition of the present invention will occur; the system 100 can immediately know that the bunker access channel 22 is in this shape. Switch to Lian Du to the other, backup link wedge type *, ° = Pare). Will be - normal use of another application, · online backup isolation, to Zhixian 'ke Jiancang unit blood (ο ΐ 八 八He connected the data storage "Beca access channel 2 Bu 22 4, 1 00 can immediately have a fault on this line, at this time switch control channel, the system can connect the capital _, material storage unit to the data worker兀, let the system restore the data storage list of J new connection in the shortest time. 4 As shown in the second _, the performance is divided. * All the data in the first 〇 1 储存; the array data storage is for example Its two capitals: 3:14'15, "Hey, Ό to the younger brother - data access, storage early yuan 1 Bu 1 2, group (for example, for another 3 data storage sub The second group = data access channel 22. The two access channels 16) are connected to the first [material storage device connection switching control channel, array type = link to data access] Two channels. When (U, 12, or 13) and the data access unit of the first data access = 2丨, the disconnection condition 1 00 between the array type data storage ^ 1 of the present invention can be immediately detected. In this case, the disconnection switching control system element is switched to switch to the data storage of the second data access status, and the channel 2 is connected. e, 丄, and vice versa.

17680 Inventec.ptd 1111

IIIll

1312148 V. INSTRUCTIONS (5) ^^-___- 地 'When there is any link to the $__ unit (14, 15, or 16) and the second; access channel Μ data storage status, then The array type second sub-passing 迢2 2 of the present invention may also detect the situation immediately after the disconnection system 100; the storage device is connected to the switching control system and the unit is switched to the first capital. The data storage of the status of the broken line is as shown in Figure 2C, and the link is efficient. All the data in the storage device 1 are stored in the file, 1of the deposits 11, 11, 2, 1 3, 1 4, 1 5, 1 6 are all connected to the _ 6 & Bess access channel 2 1 and the first-phone ancestor access channel 2 2. That is to say, the system can be used at the same time, Shih, g. Kumeng-ang-Bai-cho, and then use the two channels to access the _ breeding storage unit at the same time. This connection method can be used to transfer the poor accessibility of the ancient eight. In practical applications, the array data storage device 1 described above, for example, an array hard disk device composed of a plurality of hard disk modules (FC HDD) connected by a standard transmission interface of F i bre Channe 1, or „ raid (Redundant Array of Independent Disks) type array hard disk device. In addition, the data access channels 2 1 and 2 2 of the array data storage device 1 are connected through a specific management interface, for example. The management interface of the standard specification of IPMI (Intelligent Platform Management Interface) (not shown in the figure) is connected to a network server (not shown in the figure), thereby allowing the network to feed The data access procedure of the array data storage device 10 can be performed through the management interface and through the data access channels 2 1 and 2 2 . Since FC, RAID, and I ρ Μ I are computer network information. Standard specifications that are used and well-known in the industry, and therefore will not be further described in detail in this specification. As shown in Fig. 1, the array type data storage device of the present invention is connected and cut.

] 7680英业达.ptd Page 9 1312148. V. Invention Description (6) The basic internal architecture of the control system 100 includes at least: (a) - mode selection module 1 1 0; (b) - switching control The signal generating module 1 220; and (c) a switching module 1 300; and further comprising a connection status detecting module 1404. The mode selection module 1 1 0 can be used to allow the user to manually select the desired connection mode as a backup connection mode, a packet connection mode, or a high-performance connection mode; or to have a network server (not shown) In the formula, the required connection mode is selected automatically in the actual operation according to actual needs. The switching control signal generating module 120 can automatically generate a predetermined set of corresponding switching control signals according to the connection mode selected by the mode selection mode 11 1 0, and transmit the switching control signals to the switching module 130. The switching module 130 is, for example, a logic circuit module that is connected to each of the data storage units 1 1 , 1 2 , 1 3 ' 1 4 , 1 5 , 1 in the array data storage device 10 6. In response to the switching control signal generated by the switching control signal generating module 120, the respective data storage units 1 1 , 1 2, 1 3, 1 4, 1 5, and 16 are respectively associated with The value of the control signal is switched to be switched to the first data access channel 2 1 or the second data access channel 2 2 . For example, if the connection mode selected by the mode selection module 110 is ♦ part connection mode, the switching module 1 30 will, for example, all the data storage units 1 1 in the array data storage device 10 1, 2, 1 3, 1 4, 1 5, and 1 6 are all connected to the first data access channel 2 1, but not connected to the second data access channel 2 2 . If the connection mode selected by the mode selection module 1 10 is the packet connection mode, the switching module 130 will, for example, store the array data.

]7680英业达.丨]td第第〇页 1312148

V. Description of the Invention (7) A first group of all the data storage units i 1 6 in the storage device 10 (for example, 1 in 1, 2, 1 3, 1 4, 1 5, 2, 2) To the first data; material storage unit... two groups (for example, another three data storage _ one of the second data access channels 22. If the mode! 5, 16) is connected to the junction mode for efficient If you can connect the mode, you can change the width of the ^ ^ 且 U U U U U U U U U 1 1 1 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 The data storage unit has an early formula: 4, 1 5 '1 6 are all connected to the data access channel 22. The greedy access channel 21 and the second figure 3 show the above switching details]q # An example of a sinus application in the internal structure of the narrow group, which is specifically applied to the FC (Flbre Channel) type of hard disk unit (FC HDD), each of which has two ports. P〇rt A and Port B and their associated enable signals p〇rt_Bypass_Enable — eight and Port_Bypass_Enabl e — 用以, through these two connections 埠p〇r1: A and P 〇 r ΐ B is respectively connected to the first data access channel 2 丨 and the second data access channel 2 2 (for the simplified drawing, the third figure only shows the connection mode of the first data access channel 2 ^). In the embodiment, the switching module 13 is configured to configure an AND gate 1 3 1 and a multiplexer 1 3 2 for each FC hard disk module (the triangular circuit symbol in the figure represents a buffer). The two inputs of the AND gate 1 3 1 are connected to the Port_Bypass_Enable_A output end of the FC hard disk module to which it belongs and a switching control signal c S generated by the switching control signal generating module 1 2 0; By doing so

When Port_Bypass_Enable_A =1, let CS =1 and connect the FC hard disk module level to the first data access channel 2 1 through the multiplexer 1 3 2 ;

Π680英业达.ptd page]] 1312148. V. Invention description (8), CS = 0, the FC hard disk module can be connected to the first data access channel 21. In addition to the embodiment shown in Figure 3, there are many other possible implementations of the internal architecture of the switching module 130. In addition, since the connection switching control mode between the second data access channel 22 and the FC hard disk module is the same as that of the first data access channel 21, the following description will not be repeated. The connection status detecting module 140 detects the data access units 11 , 12 , 13 , 14 , 15 , 16 of the array data storage device 10 and the data access channels ( 2 1 or 2 2 ) connected thereto Whether there is a disconnection condition between the connection states; if yes, a backup switching message is sent to the switching control | number generation module 1 2 0, so that the switching control signal generation module 1 2 0 responds to the preparation The switching message is generated to generate a corresponding switching control signal to the switching module 130, so that the switching module 130 changes the data storage unit in which the disconnection occurs to be connected to another data access channel. In summary, the present invention provides a novel array type data storage device connection switching control system, which can be applied to an array data storage device, and the array data storage device has a plurality of data storage units and at least Two data access channels for performing a selective link switching control procedure between the data storage unit and the data access channel, thereby providing a plurality of connection modes having different access operation performances. A backup link mode, a group link mode, and a high performance link mode are included. This feature allows the array data storage device to be set to different operating modes according to different needs, which makes the network server system management more flexible. The invention thus has excellent advancement and practicality.

The present invention is only a preferred embodiment of the present invention and is not intended to limit the scope of the technical contents of the present invention. The technical contents of the present invention are broadly defined in the following claims. Any technical entity or method completed by any other person that is identical or equivalent to the scope defined in the patent application below is considered to be covered by this patent.

7680英业达.ptd Page 13 1312148. Simple description of the drawing - [Simplified illustration]: Figure 1 is a schematic diagram of a system architecture showing the application architecture of the array data storage device connection switching control system of the present invention. And the basic structure of the object-oriented element model; FIG. 2A is an application diagram showing an example of the backup connection mode provided by the array data storage device connection switching control system of the present invention; FIG. 2B is an application FIG. 2 is a schematic diagram showing an example of a packet connection mode provided by the array data storage device of the present invention. FIG. 2C is an application schematic diagram showing the array data storage device connection switching control system of the present invention. An example of the implementation of the high-performance connection mode provided; FIG. 3 is a schematic diagram of a logic circuit showing an embodiment of the internal architecture of the switching module used in the array data storage device connection switching control system of the present invention. 10 Array data storage device 1 1 data storage unit • data storage unit 13 data storage unit 14 data storage unit 15 data storage unit 16 data storage unit

1 7680英业违.ptd第4页1312148 Schematic description 21 First data access channel 22 Second data access channel 100 Array data storage device connection switching control system 1 1 0 mode selection module 1 2 0 switching control signal generation module 13 0 switching module 131 AND gate 132 multiplexer 140 connection status detection module

1 7680 Inventec.ptd第5页

Claims (1)

1312148. 6. Patent application scope - 1. An array data storage device connection switching control system, which can be coupled to an array data storage device, and the array data storage device has a plurality of data storage units and at least two data The access channel includes a first data access channel and a second data access channel for providing a selective link switching control procedure between the data storage unit and the data access channel to provide a plurality of different The data access connection mode includes a first connection mode, a second connection mode, and a third connection mode, wherein the data access performance of the third connection mode is higher than that of the second connection mode and the second connection mode The Φ access performance is higher than the first connection mode; the array data storage device connection switching control system includes at least: a mode selection module, which can be used to select a required connection mode as the first connection mode, the second connection mode, Or a third connection mode; wherein the first connection mode is to store all the data in the array data storage device The units are all connected to the first data access channel but not to the second data access channel; the second connection mode is a first group of all data storage units in the array data storage device The group is connected to the first data access channel and connects one of the second groups to the second data access channel; and the third connection mode is all of the array data storage devices The data storage units are all connected to the first data access channel and the second data access channel; a switching control signal generating module, which can be selected according to the mode ] 7680英业达.丨第6页1312148 VI. Patent application scope~~一'-- The selected connection mode of the module generates a predetermined set of corresponding control signals; and the switch module is replaced by a system. Connecting to each data storage unit in the array data storage split, and switching the control data generated by the control signal generating module to connect the data storage unit to the first data access channel or the first Two data access channels. 2. The array type data storage device according to the scope of the invention of claim 2, wherein the array data storage device is a (Redundant Array 〇f Independent Disks) type array hard disk device. "" ' 3. The array type data storage skirt connection switching control system described in claim 1 wherein the array data storage device is an FC a (Fibre Channel) type array hard disk device . 4. The array data storage device connection switching control system according to claim 1, wherein the first data access channel and the second data access channel are compatible with IPMI (InteUlgent putf()r^ , Management Interface) standard data transmission specification. 5. The array type switching control system according to claim 1, wherein the method further comprises: ϋ 1 a connection status detecting module, wherein each of the data storage devices stores a link state between the I channels There is a backup switching message to the command to generate the switching control signal and it can detect that the array data storage element and the connected data access have a disconnection condition; if so, the switching control signal generation mode Group, responding to this backup switch message Π680英业达.Ptd Page 17 1312148 -6. Apply for a corresponding switching control signal to the switching module to switch the data storage unit of the disconnection status to another Data access channel. 6. The array data storage device connection switching control system according to claim 1, 2, 3, 4 or 5, wherein the first data access channel and the second data access channel are independent channels The array data storage device connection switching control system can simultaneously access the two channels. 7. An array data storage device connection switching control system, which can be configured to an array data storage device, and the array data storage device has a plurality of data storage units and at least two data access channels, including a first data access channel and a second data access channel for providing a selective link switching control program between the data storage unit and the data access channel to provide a plurality of different data access links The mode includes a first connection mode, a second connection mode, and a third connection mode, wherein the data access performance of the third connection mode is higher than the second connection mode, and the data access performance of the second connection mode is high. In the first connection mode; the array data storage device connection switching control system includes at least: a mode selection module, which can be used to select a desired connection mode as the first connection mode, the second connection mode, or the third a connection mode; wherein the first connection mode is to link all the data storage units in the array data storage device to the A data access pass ] 7680英业达.ptd第8页1312148 VI. Applying for a patent, but not to the second data access channel; the second connection mode is all data storage units in the array data storage device a first group is connected to the first data access channel, and one of the second groups is connected to the second data access channel; and the third connection mode is the array data storage device All the data storage units are all connected to the first data access channel and the second data access channel; a switching control signal generating module can select the connection mode selected by the module according to the mode Generating a predetermined set of corresponding switching control signals; a switching module coupled to each of the data storage units in the array data storage device, and corresponding to the switching control signal generated by the switching control signal generating module And connecting each data storage unit to the first data access channel or the second data access channel; and a link condition detection module capable of detecting the array Whether there is a disconnection condition between the connection status of each data storage unit and the data access channel to which the data storage device is connected; if yes, a backup switching message is sent to the switching control signal generation module, The switching control signal generating module generates a corresponding switching control signal to the switching module in response to the backup switching message, and switches the data storage unit in the disconnected state to another data access channel. . 8. Array data storage device link as described in claim 7 ]7680英业达.ptd第9页 1312148 六 Patent application scope The storage device Disks is a ~Raid > type array switching control system, wherein the array type data storage (Redundant Array of Independent hard disk device. 9. The array type data storage as described in claim 7) The control system, wherein the array type data storage device is a Fibre Channel type array hard disk device. 1 0. The array type data storage device connected with the sister device switching control system according to claim 7 The first data access channel and the second data access channel are compatible with the standard data transmission specification of IPMI (Intelligent Ρΐ2ΐΐίαΓ·ιη φ Management Interface). 1 1 · If the patent application scope is 7, The array data storage device of the eighth, ninth or first aspect is connected to the switching control system, wherein the first data access channel and the first data access channel are independent channels, and the array type tributary storage device is provided. The link switching control system can access both channels simultaneously. ]7680 Inventec.ptd第20页