CN201821386U - High-performance unified storage system of shared cache structure - Google Patents
High-performance unified storage system of shared cache structure Download PDFInfo
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- CN201821386U CN201821386U CN2010205299587U CN201020529958U CN201821386U CN 201821386 U CN201821386 U CN 201821386U CN 2010205299587 U CN2010205299587 U CN 2010205299587U CN 201020529958 U CN201020529958 U CN 201020529958U CN 201821386 U CN201821386 U CN 201821386U
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Abstract
The utility model relates to a high-performance unified storage system of a shared cache structure, and belongs to the field of computer storage. The utility model comprises two exchangers, two sets of unified storage systems, a storage pool, a shared USB Hub, and two storage devices, wherein each storage host computer in a NET collection A is connected with the two sets of unified storage systems at the same time through one exchanger, each storage host computer in a NET collection B is connected with the two sets of unified storage systems at the same time through the other exchanger, the storage pool is connected with the two sets of unified storage systems at the same time, the two uplink USB ports of the shared USB Hub are connected with the two sets of unified storage systems respectively, the downlink exchange logic of the shared USB Hub is connected with the two sets of unified storage systems at the same time, and the two downlink USB ports of the shared USB Hub are connected with the two storage devices respectively. The utility model has simple structure, is easy to operate, and effectively improves the performance of data storage and the overall reliability of the system.
Description
Technical field
The utility model relates to the high-performance storage and uniform system of a kind of shared cache memory (Cache) structure, belongs to the Computer Storage field.
Background technology
Along with the continuous development of information technology, data message is being played the part of vital role in more and more enterprises and tissue.But, because the growth trend of modern enterprise data explosion formula, stocking system becomes the bottleneck of whole information infrastructure very soon, and the demand of expansion stocking system is following, yet in order to save cost, the Legacy System of having to continue to use when adding the system of new architecture.Therefore the design of stocking system and realization become increasingly complex.Just may comprise SAN and different storage servers such as NAS in the common system, these servers are connected to different transmission networks such as FC or IP again,
Therefore need a kind of unified storage framework, SAN and NAS can be unified, the user can support the storage resources that provides by SAN such as FC, IP and NAS simultaneously under this framework, thereby make its storage environment have more flexibility, reduce complexity and cost to greatest extent.The storage and uniform system promptly is a kind of storage system that can integrate iSCSI, NAS and SAN, its enough cover hardware of sharing in a plurality of different platforms with between using.Therefore, storage and uniform all has very strong attraction for enterprise and mechanism, and the advantage of its maximum is, can integrate the different demands of enterprise on the storage facility, reduces buying and maintenance cost.
But for storing intensive enterprise, only use a cover storage and uniform system to be difficult to satisfy the demand of infrastructure usually to storage system capacity and performance.And the fault disaster tolerance ability of a cover system is limited equally, and the fault of storage and uniform system may cause whole infrastructure to make decreased performance even break in service.
Summary of the invention
The purpose of this utility model is to be difficult to satisfy the demand of infrastructure to storage system capacity and performance in order to solve traditional storage and uniform system, and problems such as fault disaster tolerance ability, and provide a kind of high-performance storage and uniform system of shared cache architecture, this system has data storage capacities efficiently, and the fault that may occur for system simultaneously has good fault freedom.
The purpose of this utility model is achieved through the following technical solutions.
The high-performance storage and uniform system of a kind of shared cache architecture of the present utility model comprises two switches, two cover storage and uniform systems, storage pool, shares USB Hub, two memory devices;
The storage and uniform system comprises: processor module, fiber interface module, gigabit ethernet interface module, filing module, usb interface module, li-ion cell protection module, main memory module, disaster-tolerant backup module, RAID controller; Processor module is connected by data wire with fiber interface module, gigabit ethernet interface module, filing module, usb interface module, li-ion cell protection module and RAID controller respectively; Processor module also is connected with RAID controller data line by main memory module, disaster-tolerant backup module respectively simultaneously.
Processor module is used to coordinate the Processing tasks that each module is carried out whole storage and uniform system;
Fiber interface module is used to be connected to optical fiber switch;
Gigabit ethernet interface module is used to be connected to the gigabit networking switch;
Main memory module is used to handle the access request through each storage networking after integrating;
The disaster-tolerant backup module is used to finish the backup tasks to each storage networking.
The RAID controller module is used to be connected to the storage pool of depositing primary storage and disaster-tolerant backup storage data;
The filing module is used for to the tape library filing data;
When being used for conventional power supply and breaking down, the li-ion cell protection module provides power supply for system.
Sharing USB Hub comprises: two up USB port, USB controller, descending exchange logic, transaction transfer interpreter, descending USB port; Two up USB port are connected with descending exchange logic data wire by the USB controller that connects separately respectively, and descending exchange logic connects the transaction transfer interpreter by data wire, and the transaction transfer interpreter is connected with the storage device data line by descending USB port.
All storage host that connect are divided into two set LUAA and set LUA B, every storage host among the set LUA A is connected with two cover storage and uniform system gigabit ethernet interface module or fiber interface module data wires separately simultaneously by a switch, every storage host among the set LUA B is connected with two cover storage and uniform system gigabit ethernet interface module or fiber interface module data wires separately simultaneously by another switch, storage pool is connected by data wire with two cover storage and uniform system RAID controllers separately simultaneously, two up USB port sharing USB Hub are connected with two cover storage and uniform system usb interface module data wires separately respectively, the descending exchange logic of sharing USB Hub is connected with two cover storage and uniform system usb interface module data wires separately simultaneously, and two descending USB port sharing USB Hub respectively connect one memory device respectively by data wire.
Wherein switch is optical fiber switch or gigabit networking switch;
Storage pool is the disk array that can be connected with the RAID controller.
Operation principle of the present utility model is as follows:
1, during operate as normal,, two cover storage and uniform systems is configured each storage host among the first cover storage and uniform system management set LUAA, each storage host among the second cover storage and uniform system management set LUAB according to the operating load situation; For the access request of each storage host among the set LUAA, the first cover storage and uniform system uses first memory device as Cache; For the access request of each storage host among the set LUA B, the second cover storage and uniform system uses second memory device as Cache.The data write operation of two cover storage and uniform systems at first writes memory device separately, promptly notify the main frame write operation of the request of initiating in the storage networking to finish, write storage pool again behind the Cache data sorting in memory device, reduce the disk seek time of storage pool.
2, when the first cover storage and uniform system breaks down, the USB Hub controller among the shared USB Hub detects the transfer of data interruption of the up USB port that is connected with the first cover storage and uniform system, and connection is lost, and notifies descending exchange logic.Descending exchange logic overlaps the storage and uniform system by the usb interface module of the second cover storage and uniform system with this message informing second.After the second cover storage and uniform system detects this message, usb interface module by self sends a signal to shared USB Hub, notify its descending exchange logic, the route of the descending USB port that first memory device is connected goes to the USB controller that connects in the second cover storage and uniform system, thereby takes over the first cover storage and uniform system first memory device as Cache.Simultaneously, the gigabit networking switch that the second cover storage and uniform system connects by each storage host among the set LUAA, take over each storage host among the first cover storage and uniform system management set LUAA, first memory device continues the Cache as each storage host among the set LUAA, and system still can lower performance work on.
After the fault recovery of the first cover storage and uniform system, the USB Hub controller of sharing among the USB Hub detects the connection recovery of the up USB port that is connected with the first cover storage and uniform system, and notifies descending exchange logic.Descending exchange logic overlaps the storage and uniform system by the usb interface module of the second cover storage and uniform system with this message informing second.After the second cover storage and uniform system detects this message, usb interface module by self sends a signal to shared USB Hub, notify its descending exchange logic, the route of the descending USB port that first memory device is connected goes back to the USB controller that connects in the second cover storage and uniform system, thereby gives back the first cover storage and uniform system first memory device as Cache.Simultaneously, the second cover storage and uniform system is no longer by each storage host among the gigabit networking switch management set LUA A of each storage host connection among the set LUA A.This moment first, cover storage and uniform system took over the work of oneself again, and first memory device continues the Cache as each storage host among the set LUAA, system restoration high performance operation.
Beneficial effect: the utility model has adopted two cover storage and uniform systems, can tackle complicated many storage systems framework, supports the memory capacity and the bandwidth of bigger scale simultaneously.Adopt the high speed USB flash disk as Cache, improved the storage performance, thereby reduced using the influence of system.In addition, when breaking down, can take over the storage network of its connection, improve the reliability of entire system by another set of system in a cover storage and uniform system.
Description of drawings
Fig. 1 is the efficient storage and uniform system global structure schematic diagram of shared cache architecture of the present utility model;
Fig. 2 is the structural representation of the storage and uniform system that adopts among the utility model embodiment;
Fig. 3 is the structural representation of the shared USB Hub that adopts among the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is done and to be described in further detail.
Embodiment
As shown in Figure 1, the efficient storage and uniform system of a kind of shared cache architecture of the present utility model comprises gigabit networking switch A, gigabit networking switch b, the A of storage and uniform system, the B of storage and uniform system, storage pool, shares USB Hub, USB flash disk A, USB flash disk B;
As shown in Figure 2, the storage and uniform system comprises: 64 storage of processor, 4Gb fiber interface module, gigabit ethernet interface module, filing module, usb interface module, main memory module, disaster-tolerant backup module, li-ion cell protection module, RAID controller module; 64 storage of processor are connected by data wire with fiber interface module, gigabit ethernet interface module, filing module, usb interface module, li-ion cell protection module and RAID controller respectively; 64 storage of processor also are connected with RAID controller data line by main memory module, disaster-tolerant backup module respectively simultaneously.
As shown in Figure 3, sharing USB Hub comprises: up USB port A, up USB port B, USB controller A, USB controller B, descending exchange logic, transaction transfer interpreter, descending USB port A, descending USB port B, descending USB port C and descending USB port D; Up USB port A is connected with descending exchange logic data wire by USB controller A, and up USB port B is connected with descending exchange logic data wire by USB controller B; Descending exchange logic connects the transaction transfer interpreter by data wire, and the transaction transfer interpreter connects descending USB port A, descending USB port B, descending USB port C and descending USB port D by data wire.
All storage host that connect are divided into two set LUAA and set LUA B, each storage host among the set LUAA is connected with storage and uniform B gigabit ethernet interface module data wire separately with storage and uniform A by a gigabit networking switch A simultaneously, each storage host among the set LUA B is connected with the B of storage and uniform system gigabit ethernet interface module data wire separately with the A of storage and uniform system by the gigabit networking switch b simultaneously, storage pool is connected by data wire with the B of storage and uniform system RAID controller separately with the A of storage and uniform system, the up USB port A that shares USB Hub is connected by data wire with the usb interface module of the A of storage and uniform system with descending exchange logic simultaneously, the up USB port B that shares USB Hub is connected by data wire with the usb interface module of the B of storage and uniform system with descending exchange logic simultaneously, the descending USB port A of shared USB Hub is by the USB flash disk A of data wire connection as the Cache use of the A of storage and uniform system, and the descending USB port B that shares USBHub is by the USB flash disk B of data wire connection as the Cache use of the B of storage and uniform system.
Wherein, storage pool is the disk array that can be connected with the RAID controller;
Fiber interface module is used to be connected to optical fiber switch;
Gigabit ethernet interface module is used to be connected to the gigabit networking switch;
64 storage of processor are used to coordinate the Processing tasks that each module is carried out whole storage and uniform system;
Main memory module is used to handle the access request through each storage networking after integrating;
The disaster-tolerant backup module is used to finish the backup tasks to each storage networking;
The filing module is used for to the tape library filing data;
When being used for conventional power supply and breaking down, the li-ion cell protection module provides power supply for system.
Operation principle of the present utility model is as follows:
1, during operate as normal, according to the operating load situation, A of storage and uniform system and the B of storage and uniform system are configured, and wherein each storage host among the LUAA is gathered in the A of storage and uniform system management, each storage host among the B of the storage and uniform system management set LUA B; For the access request of each storage host among the set LUA A, the A of storage and uniform system uses USB flash disk A as Cache; For the access request of each storage host among the set LUA B, the B of storage and uniform system uses USB flash disk B as Cache.The data write operation of A of storage and uniform system and the B of storage and uniform system at first writes USB flash disk A and USB flash disk B separately, promptly notify the main frame write operation of the request of initiating in the storage networking to finish, write storage pool again behind the Cache data sorting in USB flash disk A and USB flash disk B, reduce the disk seek time of storage pool.
When 2, the A of storage and uniform system broke down, the USB Hub controller A among the shared USB Hub detected the transfer of data interruption of up USB port A, and connection is lost, and notifies descending exchange logic.Descending exchange logic passes through the usb interface module of the B of storage and uniform system with this message informing storage and uniform B of system.After the B of storage and uniform system detects this message, send a signal to shared USB Hub by usb interface module B, notify its descending exchange logic, will go to USB controller B from USB controller A, thereby take over the USB flash disk A of the storage and uniform A of system as Cache to the route of descending USB port A.Simultaneously, the B of storage and uniform system takes over each storage host among the storage and uniform A of the system management set LUAA by the gigabit networking switch A, and USB flash disk A continues the Cache as each storage host among the set LUAA, and system still can lower performance work on.
During the fault recovery of the A of storage and uniform system, share the connection that USB Hub controller A among the USB Hub detects up USB port A and recover, and notify descending exchange logic.Descending exchange logic passes through the usb interface module of the B of storage and uniform system with this message informing storage and uniform B of system.After the B of storage and uniform system detects this message, send a signal to shared USB Hub by usb interface module, notify its descending exchange logic, will go to USB controller A from USB controller B, thereby give back the A of storage and uniform system USB flash disk A as Cache to the route of downlink port A.Simultaneously, the B of storage and uniform system no longer handles the storage and uniform A of system by the gigabit networking switch A and manages each storage host of gathering among the LUA A.This moment, the storage and uniform A of system was by the gigabit networking switch A, took over the work of oneself, and USB flash disk A continues the Cache as each storage host among the set set LUA A, system restoration high performance operation.
When 3, the B of storage and uniform system breaks down, handle according to the A of storage and uniform system fault handling method symmetrical manner.
Claims (1)
1. the high-performance storage and uniform system of a shared cache architecture is characterized in that: comprise two switches, two cover storage and uniform systems, storage pool, share USB Hub, two memory devices;
The storage and uniform system comprises: processor module, fiber interface module, gigabit ethernet interface module, filing module, usb interface module, li-ion cell protection module, main memory module, disaster-tolerant backup module, RAID controller; Processor module is connected by data wire with fiber interface module, gigabit ethernet interface module, filing module, usb interface module, li-ion cell protection module and RAID controller respectively; Processor module also is connected with RAID controller data line by main memory module, disaster-tolerant backup module respectively simultaneously;
Processor module is used to coordinate the Processing tasks that each module is carried out whole storage and uniform system;
Fiber interface module is used to be connected to optical fiber switch;
Gigabit ethernet interface module is used to be connected to the gigabit networking switch;
Main memory module is used to handle the access request through each storage networking after integrating;
The disaster-tolerant backup module is used to finish the backup tasks to each storage networking;
The RAID controller module is used to be connected to the storage pool of depositing primary storage and disaster-tolerant backup storage data;
The filing module is used for to the tape library filing data;
When being used for conventional power supply and breaking down, the li-ion cell protection module provides power supply for system;
Sharing USB Hub comprises: two up USB port, USB controller, descending exchange logic, transaction transfer interpreter, descending USB port; Two up USB port are connected with descending exchange logic data wire by the USB controller that connects separately respectively, and descending exchange logic connects the transaction transfer interpreter by data wire, and the transaction transfer interpreter is connected with the storage device data line by descending USB port;
All storage host that connect are divided into two set NETA and NET B, every storage host among the set NET A is connected with two cover storage and uniform system gigabit ethernet interface module or fiber interface module data wires separately simultaneously by a switch, every storage host among the set NET B is connected with two cover storage and uniform system gigabit ethernet interface module or fiber interface module data wires separately simultaneously by another switch, storage pool is connected by data wire with two cover storage and uniform system RAID controllers separately simultaneously, two up USB port sharing USBHub are connected with two cover storage and uniform system usb interface module data wires separately respectively, the descending exchange logic of sharing USB Hub is connected with two cover storage and uniform system usb interface module data wires separately simultaneously, and two descending USB port sharing USB Hub respectively connect one memory device respectively by data wire;
Wherein switch is optical fiber switch or gigabit networking switch;
Storage pool is the disk array that can be connected with the RAID controller.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103605753A (en) * | 2013-11-22 | 2014-02-26 | 中国技术交易所有限公司 | Centralized bidding system data storage system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103605753A (en) * | 2013-11-22 | 2014-02-26 | 中国技术交易所有限公司 | Centralized bidding system data storage system and method |
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