CN110175092A - A kind of multiplex roles storage equipment based on PCIe - Google Patents
A kind of multiplex roles storage equipment based on PCIe Download PDFInfo
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- 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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2002—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
- G06F11/2005—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant using redundant communication controllers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
- G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0026—PCI express
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Abstract
The invention discloses a kind of, and the multiplex roles based on PCIe store equipment, N number of PCIe device interface, N number of PCIe device controller, main control unit, power management module and memory module are at least set, wherein, at least one PCIe device controller is main PCIe device controller, it is connected with multiple PCIe device interfaces, its bandwidth chahnel is coupled the sum of multiple PCIe device interface data channel, and the channel connection mode of the multiple PCIe device interface can carry out being configured to the first connection mode or the second connection mode by hardware or firmware；First connection mode, i.e., multiple PCIe device interfaces are connected with multiple PCIe device controllers respectively, make storage equipment that can connect multiple host；Second connection mode, i.e., multiple PCIe device interfaces are only connected with main PCIe device controller, promote data transfer bandwidth.
Description
Technical field
The present invention relates to technical field of memory more particularly to a kind of multiplex roles based on PCIe to store equipment.
Background technique
With the explosive growth of big data era, data have become the vital assets of all trades and professions.In order to be promoted
The stability and safety of data storage, guarantee business continuance, and system manufacturer is proposed various Disaster Tolerant Schemes one after another.It is wherein double
Storage architecture living, is disposed using equipment full redundancy framework, by more hosts and multiple data centers, while undertaking identical services, is come
Promote the integrity service ability and resource utilization of data center.There are the scheme absolutely required, system manufacturer to system stability
Multi-interface controller storage equipment is generallyd use, to realize the store function of more master redundancy frameworks, which can be by
Multiple main frames access, so another server of equipment connection can be automatically switched in some server host delay machine
Business is continued to execute on host, with guaranteeing business continuity.
In the prior art, what multi-interface controller storage equipment was more common is PCIe interface or SAS interface, and PCIe is set
For due to its superiority bandwidth, more paid close attention in system-level application.The PCIe of the prior art controls storage equipment more, is real
The now storage architecture of more master redundancies designs multiple PCIe interface controllers, for connecting more hosts, while following interface bandwidth
The rule of balance, the protocol specification that multiple PCIe Device Core are supported in framework are consistent with number of channels.Referring to Fig. 1,
With the storage equipment citing of PCIe dual control, includes 2 PCIe Device core in equipment framework, support PCIe Gen3.0 respectively
Agreement and x2 link width, bandwidth can achieve 2GB/s.Two PCIe Device core can connect 2 bandwidth respectively
Matched PCIe host, to realize the storage architecture of double master redundancies.
However, PCIe bus is limited by link and agreement in prior art above-mentioned technical proposal, the link width of x4 cannot
It is directly decomposed into the link width of 2 x2, the link width of 2 x2 can not directly merge into the link width of x4.Work as dual control
Device storage equipment application processed can only achieve the bandwidth of single controller core, lead to PCIe interface controller when single host system
The wasting of resources.
Therefore in view of the drawbacks of the prior art, it is really necessary to propose a kind of technical solution to solve skill of the existing technology
Art problem.
Summary of the invention
In view of this, it is necessory to provide a kind of multiplex roles storage equipment based on PCIe, in PCIe interface host bandwidth
In the case where support, PCIe channel resource can be rationally utilized, switching storage device bandwidth is maximum bandwidth, lifting means
Energy.
In order to solve technical problem of the existing technology, technical scheme is as follows:
A kind of multiplex roles storage equipment based on PCIe, is at least arranged N number of PCIe device interface, the control of N number of PCIe device
Device, main control unit, power management module and memory module,
The power management module is used to provide power supply for the storage equipment modules；
Each PCIe device controller is connected with the memory module, can carry out data to the memory module simultaneously
Read-write operation；
Each PCIe device interface supports several data channel, and its corresponding PCIe device controller is connected to prop up
It holds and establishes data link simultaneously with N number of host；Wherein, at least one PCIe device controller is main PCIe device controller, with
Multiple PCIe device interfaces are connected, and bandwidth chahnel is coupled the sum of multiple PCIe device interface data channel,
The channel connection mode of the multiple PCIe device interface is configurable；
The main control unit is connected with N number of PCIe device interface and N number of PCIe device controller, when corresponding PCIe device
When interface does not have host access, sends and the interface channel for reconfiguring the PCIe device interface is instructed to make itself and main PCIe device control
Device processed is connected, and the control main PCIe device controller reconfigures link channel information to promote data bandwidth.
Scheme as a further improvement, main control unit pass through hardware switch or firmware method PCI allocation e equipment interface
Channel connection mode is the first connection mode or the second connection mode, wherein when the first connection mode, main control unit control is N number of
PCIe device interface is connected respectively at N number of PCIe device controller, makes storage equipment that can connect multiple host；Second connection mode
When, main control unit controls multiple PCIe device interfaces and is connected with main PCIe device controller to connect separate unit master in storage equipment
Data transfer bandwidth is promoted when machine.
The first PCIe device interface, the second PCIe device interface, first is at least arranged in scheme as a further improvement
PCIe device controller and the second PCIe device controller, wherein
The first PCIe device controller is main PCIe device controller, with the first PCIe device interface and the 2nd PCIe
Equipment interface is connected, and supports 2n data channel；
The second PCIe device controller is connected with the second PCIe device interface, supports n data channel；
The first PCIe device interface and the second PCIe device interface support n data channel；Wherein, described second
PCIe device interface configures the first connection mode or the second connection mode for channel connection mode using its reusability feature；
When the first connection mode, the second PCIe device interface and the second PCIe device controller physical connection are to support the second host
Read-write Catrol；When the second connection mode, the second PCIe device interface and the first PCIe device controller physical connection with
Promote the data bandwidth of the first host.
Scheme as a further improvement, each PCIe device interface are consistent in physical layer and its electrical sub layer,
To be connected under the premise of meeting PCIe protocol specification from different PCIe controller physical interfaces.
Scheme as a further improvement, it is the first connection mould that the main control unit, which configures the second PCIe device interface,
Formula or the second connection mode；
When the first host and the second host access simultaneously or only the second host accesses, second PCIe device is configured
Interface is the first connection mode；
When only the first host accesses, configuring the second PCIe device interface is the second connection mode.
Scheme as a further improvement, when only the first host accesses, the main control unit controls power management module
Close the power supply of the second PCIe device controller；
When only the second host accesses, the main control unit control power management module closes the first PCIe device control
The power supply of device processed.
Scheme as a further improvement, N 2, n 1,2,4,8 or 16.
In order to realize above-mentioned technical proposal, the control for the multiplex roles storage equipment based on PCIe that the invention also discloses a kind of
Method, is arranged N number of PCIe device interface and N number of PCIe device controller at least to support more hosts while carry out storage operation,
Itself specifically includes the following steps:
Step S1: main control unit is according to the channel connection mode of application scenarios PCI allocation e equipment interface；
Step S2: switch the connection of itself and PCIe device controller according to the channel connection mode of each PCIe device interface
State is to switch PCIe controller framework according to application scenarios demand；
Wherein, at least one PCIe device controller carry out in advance bandwidth redundancy design to support that link bandwidth is expansible,
As main PCIe device controller.
Scheme as a further improvement is switched by hardware switch switching or firmware configuration in the step S1
The channel connection mode of PCIe device interface is the first connection mode or the second connection mode；
When channel connection mode is the first connection mode, main control unit controls N number of PCIe device interface respectively at N number of
PCIe device controller is connected, and makes storage equipment that can connect multiple host；When the second connection mode, main control unit control is multiple
PCIe device interface is connected to promote output transmission when storing equipment and connecting separate unit host with main PCIe device controller
It is wide.
Scheme as a further improvement when any PCIe device controller does not work, closes phase in the step S2
Answer the power supply power supply of PCIe device controller.
Scheme as a further improvement, when channel connection mode is the first connection mode, N number of PCIe device controller
Support * n bandwidth；When channel connection mode is the second connection mode, main PCIe controller supports * 2n bandwidth, main control unit
Close remaining relevant power supply of PCIe device controller；
Scheme as a further improvement, the link in the step S2, after host does not support main control unit to switch
Data bandwidth when, which is still communicated with former data bandwidth with host.
Scheme as a further improvement, N 2.
Compared with prior art, the present invention passes through the configurable PCIe device interface of setting channel connection mode and right
Corresponding PCIe device controller carries out Redundancy Design, so as to switch PCIe controller frame according to actual host connection
Structure rationally utilizes PCIe channel resource, switching storage device bandwidth is maximum in the case where PCIe interface host bandwidth is supported
Bandwidth, lifting means performance make storage equipment be adapted to plurality of application scenes.Single host is in application, be switched to single controller
Framework promotes bandwidth performance, reduces equipment energy consumption, is suitable for general PCIe device application；In more hosts in application, being switched to more
Controller architecture supports dual-active system architecture, guarantees stability, safety and the business continuance of server data storage.
Detailed description of the invention
Fig. 1 is the functional block diagram that prior art multiplex roles store equipment.
Fig. 2 is that the present invention is based on the functional block diagrams that the multiplex roles of PCIe store equipment.
Fig. 3 is the schematic block diagram of the first connection mode in a kind of preferred embodiment of the present invention.
Fig. 4 is the schematic block diagram of the second connection mode in a kind of preferred embodiment of the present invention.
Fig. 5 is the flow diagram that the control method of equipment is stored the present invention is based on the multiplex roles of PCIe.
Following specific embodiment will further illustrate the present invention in conjunction with above-mentioned attached drawing.
Specific embodiment
Technical solution provided by the invention is described further below with reference to attached drawing.
In in the framework of prior art multiplex roles storage equipment shown in Fig. 1, since PCIe bus is by link and agreement
Limitation when single machine connects, since PCIe controller bandwidth limits, is only capable of being unable to fully utilize PCIe to support its monokaryon bandwidth
Equipment interface resource, the phenomenon that causing the PCIe interface wasting of resources.
Referring to fig. 2, it is shown the functional block diagram of the multiplex roles storage equipment provided by the invention based on PCIe, is at least arranged
N number of PCIe device interface, N number of PCIe device controller, main control unit, power management module and memory module, wherein the electricity
Source control module is used to provide power supply for the storage equipment modules；
Each PCIe device controller is connected with the memory module, can carry out data to the memory module simultaneously
Read-write operation；
Each PCIe device interface supports several data channel, and its corresponding PCIe device controller is connected to prop up
It holds and establishes data link simultaneously with N number of host；Wherein, at least one PCIe device controller is main PCIe device controller, with
Multiple PCIe device interfaces are connected, and bandwidth chahnel is coupled the sum of multiple PCIe device interface data channel,
The channel connection mode of the multiple PCIe device interface is configurable；
The main control unit is connected with N number of PCIe device interface and N number of PCIe device controller, when corresponding PCIe device
When interface does not have host access, sends and the interface channel for reconfiguring the PCIe device interface is instructed to make itself and main PCIe device control
Device processed is connected, and the control main PCIe device controller reconfigures link channel information to promote data bandwidth.
In the above-mentioned technical solutions, by the design of controller link appropriate redundancy, make one of PCIe controller
Link can support more multichannel, guarantee the feasibility for being switched to maximum bandwidth；Moderately Redundancy Design, it is feasible in guarantee plan
Under the premise of, save the cost.
In a preferred embodiment, main control unit is connected with N number of PCIe device interface and N number of PCIe device controller
It connects, main control unit can pass through hardware switch or the channel connection mode of firmware method PCI allocation e equipment interface, the first connection mould
Formula and the second connection mode.When the first connection mode, main control unit control N number of PCIe device interface respectively with N number of PCIe device
Controller is connected, and makes storage equipment that can connect multiple host, adapts to dual-active storage architecture；When the second connection mode, main control unit
It controls multiple PCIe device interfaces to be only connected with main PCIe device controller, promotes data when storing equipment connection separate unit host
Transmission bandwidth.
In a kind of preferred embodiment, for 2 PCIe device controllers are set, referring to Fig. 3 and Fig. 4, respectively originally
The schematic block diagram of the first connection mode and the second connection mode in a kind of preferred embodiment is invented, at least the first PCIe of setting is set
Standby interface, the second PCIe device interface, the first PCIe device controller and the second PCIe device controller, the first PCIe are set
Preparation controller is main PCIe device controller, is connected with the first PCIe device interface and the second PCIe device interface, is supported
2n data channel；The second PCIe device controller is connected with the second PCIe device interface, supports that n data are logical
Road；The first PCIe device interface and the second PCIe device interface support n data channel；Wherein, the 2nd PCIe
Equipment interface channel connection mode can be configured to the first connection mode or the second connection mode；When the first connection mode, described
Two PCIe device interfaces and the second PCIe device controller physical connection are to support the Read-write Catrol of the second host；Second connection mould
When formula, the second PCIe device interface and the first PCIe device controller physical connection are to promote the data band of the first host
It is wide.
In above-mentioned technical proposal, by being configured flexibly channel connection mode, switching equipment framework is more control framves freely
Structure or single control framework, are adapted to plurality of application scenes.In single controller framework, bandwidth performance is promoted, reduces equipment energy consumption,
Suitable for general PCIe device application；In dual controller framework, dual control dual-active system storage architecture is supported, guarantee server count
According to the stability of storage, safety and business continuance.
Further, main control unit configures the second PCIe device interface by hardware switch or firmware configuration mode
For the first connection mode or the second connection mode；
When configuring the second PCIe device interface is the first connection mode, which supports the first host and the
Two hosts access simultaneously or only the second host accesses；
When configuring the second PCIe device interface is the second connection mode, which only supports the first host to connect
Enter.
Further, when only the first host accesses, the main control unit control power management module closes described second
The power supply of PCIe device controller.
When only the second host accesses, the main control unit control power management module closes the first PCIe device control
The power supply of device processed.
Above-mentioned N is 2, n 1,2,4,8 or 16.
Join the connection block diagram seen figures 3 and 4, is further described below from the angle of protocol layer.Lead between PCIe device and host
It crosses link (Link) to be attached, 1 PCIe link can be made of multiple data channel (Lane), and port number is more, bandwidth
Bigger, speed is faster.Fig. 3 shows the storage architecture of double PCIe controller storage equipment, includes 2 PCI e in equipment framework
Device core supports PCIe Gen3.0 agreement and x2 link width respectively, shares 4 data channel.In single host application
When, if the above channel resource can be fully utilized, realize the bandwidth performance of Gen3*4, it can dramatically lifting means
Energy.That is, realizing that the controller architecture of PCIe bus is cut by the design of controller appropriate redundancy and flexible channel connection method
It changes, reaches bandwidth optimization.
The working principle of the storage equipment of Fig. 3 and 4 pair of PCIe controller described further below:
The storage equipment includes the control of 1 cpu controller, the controller of 1 PCIe Gen3*4,1 PCIe Gne3*2
Device, 1 memory module, 1 power management module and 2 PCIe PHY processed, wherein PCIe PHY can support 2 numbers respectively
According to transmission channel.Remaining peripheral circuit, this will not be repeated here.
The controller of PCIe Gen3*4 is denoted as PCIe Device Core0, which carries out moderately Redundancy Design,
Its PCIe bus links can support the data in 4 channels to transmit, simultaneously because the backward compatible characteristic of PCIe bus, can also prop up
Hold the data transmission in 2 channels.
The controller of PCIe Gen3*2 is denoted as PCIe Device Core1, PCIe bus links and only supports 2 channels
Data transmission.
Two PCIe controllers can jointly be written and read memory module.
Two PCIe PHY are denoted as PCIe PHY 0 and PCIe PHY 1 respectively, are the PCIe PHY of equipment.Equipment
The PCIe PHY of PCIe PHY and host sends transaction by PCIe link, establishes physical connection.
Two PCIe PHY support 2 data channel, are denoted as lane0, lane1, lane2 and lane3 respectively, wherein
Lane2 and lane3 can switch the PCIe Device Core that the channel is connected by collocation channel connection mode.
When default conditions, lane2 and lane3 are configured to connection PCIe Device Core1, which is double at this time
PCIe controller mode can support the first host and the second host while access；When lane2 and lane3 are configured to connect
When PCIe Device Core0, which is single PCIe controller mode at this time, only supports the first host interface in host
Under the premise of PCIe interface supports Gen3*4, negotiating final transmission bandwidth is Gen3*4, is optimal bandwidth；Electricity is notified simultaneously
Source control module cuts off the interlock circuit of PCIe Device Core1, energy saving.
Indicating lamp module can be further added by based on the framework simultaneously, control instructions lamp shows connection, improves man-machine friendship
Mutually experience.
PCIe bus specification, number of channels and the PCIe controller quantity of above scheme description are only example, actually can be with
Support the planning of more multi-protocols, channel and PCIe controller.
In order to realize above-mentioned technical proposal, the control for the multiplex roles storage equipment based on PCIe that the invention also discloses a kind of
Method, is arranged N number of PCIe device interface and N number of PCIe device controller at least to support more hosts while carry out storage operation,
Referring to Fig. 5, specifically includes the following steps:
Step S1: main control unit is according to the channel connection mode of application scenarios PCI allocation e equipment interface；
Step S2: switch the connection of itself and PCIe device controller according to the channel connection mode of each PCIe device interface
State is to switch PCIe controller framework according to application scenarios demand；
Wherein, at least one PCIe device controller carry out in advance bandwidth redundancy design to support that link bandwidth is expansible,
As main PCIe device controller.
Further, in step sl, it can be switched by hardware switch or firmware configuration mode switches over；
In step s 2 when channel connection mode is the first connection mode, N number of PCIe device controller supports * n band
It is wide；When channel connection mode is the second connection mode, main PCIe controller supports * 2n bandwidth, and main control unit closes remaining
The relevant power supply of PCIe device controller.
Further, in the step S2, when host do not support main control unit switch after link data bandwidth when,
The PCIe device controller is still communicated with former data bandwidth with host.
Further, it in the step S2, when monitoring the non-access host of any PCIe device interface, closes corresponding
The power supply power supply of PCIe device controller.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of multiplex roles based on PCIe store equipment, which is characterized in that N number of PCIe device interface, N number of PCIe is at least arranged
Device controller, main control unit, power management module and memory module,
The power management module is used to provide power supply for the storage equipment modules；
Each PCIe device controller is connected with the memory module, can carry out reading and writing data to the memory module simultaneously
Operation；
Each PCIe device interface supports several data channel, and its corresponding PCIe device controller be connected with support with
N number of host establishes data link simultaneously；Wherein, at least one PCIe device controller is main PCIe device controller, and multiple
PCIe device interface is connected, and bandwidth chahnel is coupled the sum of multiple PCIe device interface data channel, described
The channel connection mode of multiple PCIe device interfaces is configurable；
The main control unit is connected with N number of PCIe device interface and N number of PCIe device controller, when corresponding PCIe device interface
When there is no host access, sends and the interface channel for reconfiguring the PCIe device interface is instructed to make itself and main PCIe device controller
It is connected, and the control main PCIe device controller reconfigures link channel information to promote data bandwidth.
2. the multiplex roles according to claim 1 based on PCIe store equipment, which is characterized in that main control unit passes through hardware
Switch or firmware method PCI allocation e equipment interface channel connection mode be the first connection mode or the second connection mode,
In, when the first connection mode, main control unit controls N number of PCIe device interface and is connected respectively at N number of PCIe device controller, makes to deposit
Storage equipment can connect multiple host；When the second connection mode, main control unit controls multiple PCIe device interfaces and sets with main PCIe
Preparation controller is connected to promote data transfer bandwidth when storing equipment connection separate unit host.
3. the multiplex roles according to claim 1 or 2 based on PCIe store equipment, which is characterized in that be at least arranged first
PCIe device interface, the second PCIe device interface, the first PCIe device controller and the second PCIe device controller, wherein
The first PCIe device controller is main PCIe device controller, with the first PCIe device interface and the second PCIe device
Interface is connected, and supports 2n data channel；
The second PCIe device controller is connected with the second PCIe device interface, supports n data channel；
The first PCIe device interface and the second PCIe device interface support n data channel；Wherein, the 2nd PCIe
Equipment interface configures the first connection mode or the second connection mode for channel connection mode using its reusability feature；First
When connection mode, the second PCIe device interface and the second PCIe device controller physical connection are to support the reading of the second host
Write control；When the second connection mode, the second PCIe device interface is with the first PCIe device controller physical connection to be promoted
The data bandwidth of first host.
4. the multiplex roles according to claim 3 based on PCIe store equipment, which is characterized in that each PCIe device interface
Be consistent in physical layer and its electrical sub layer, under the premise of meeting PCIe protocol specification from different PCIe controller objects
Reason interface is connected.
5. the multiplex roles according to claim 3 based on PCIe store equipment, which is characterized in that
It is the first connection mode or the second connection mode that the main control unit, which configures the second PCIe device interface,；
When the first host and the second host access simultaneously or only the second host accesses, the second PCIe device interface is configured
For the first connection mode；
When only the first host accesses, configuring the second PCIe device interface is the second connection mode.
6. the multiplex roles according to claim 5 based on PCIe store equipment, which is characterized in that when only the first host accesses
When, the main control unit control power management module closes the power supply of the second PCIe device controller.
7. the multiplex roles according to claim 5 based on PCIe store equipment, which is characterized in that when only the second host accesses
When, the main control unit control power management module closes the power supply of the first PCIe device controller.
8. the multiplex roles according to claim 3 based on PCIe store equipment, which is characterized in that N 2.
9. the multiplex roles according to claim 3 based on PCIe store equipment, which is characterized in that n 1,2,4,8 or 16.
10. the multiplex roles according to claim 1 or 2 based on PCIe store equipment, which is characterized in that any PCIe device
When controller does not work, the power supply power supply of corresponding PCIe device controller is closed.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050223143A1 (en) * | 2004-04-01 | 2005-10-06 | Kang Sang-Wook | Multi-channel integrated circuit card and method of controlling the same |
| US20050228943A1 (en) * | 2004-04-02 | 2005-10-13 | Decenzo David P | Multipath redundant storage system architecture and method |
| US20060248308A1 (en) * | 2005-04-27 | 2006-11-02 | Dot Hill Systems Corp. | Multiple mode controller method and apparatus |
| CN103135943A (en) * | 2013-02-21 | 2013-06-05 | 浪潮电子信息产业股份有限公司 | Self-adaptive IO (Input Output) scheduling method of multi-control storage system |
| TW201612736A (en) * | 2014-09-29 | 2016-04-01 | Acer Inc | Storage apparatus and data transferring method thereof |
| CN105549916A (en) * | 2015-12-31 | 2016-05-04 | 湖南国科微电子股份有限公司 | Peripheral component interconnect express (PCIe) solid state hard disk controller, PCIe based storage system and data read and write method thereof |
| TW201837727A (en) * | 2017-04-07 | 2018-10-16 | 宏碁股份有限公司 | Storage device |
-
2019
- 2019-04-30 CN CN201910363729.8A patent/CN110175092B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050223143A1 (en) * | 2004-04-01 | 2005-10-06 | Kang Sang-Wook | Multi-channel integrated circuit card and method of controlling the same |
| US20050228943A1 (en) * | 2004-04-02 | 2005-10-13 | Decenzo David P | Multipath redundant storage system architecture and method |
| US20060248308A1 (en) * | 2005-04-27 | 2006-11-02 | Dot Hill Systems Corp. | Multiple mode controller method and apparatus |
| CN103135943A (en) * | 2013-02-21 | 2013-06-05 | 浪潮电子信息产业股份有限公司 | Self-adaptive IO (Input Output) scheduling method of multi-control storage system |
| TW201612736A (en) * | 2014-09-29 | 2016-04-01 | Acer Inc | Storage apparatus and data transferring method thereof |
| CN105549916A (en) * | 2015-12-31 | 2016-05-04 | 湖南国科微电子股份有限公司 | Peripheral component interconnect express (PCIe) solid state hard disk controller, PCIe based storage system and data read and write method thereof |
| TW201837727A (en) * | 2017-04-07 | 2018-10-16 | 宏碁股份有限公司 | Storage device |
Non-Patent Citations (1)
| Title |
|---|
| 姚远: "双控制器磁盘阵列中PCI-e同步通道的优化技术研究", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114385534A (en) * | 2020-10-19 | 2022-04-22 | 华为技术有限公司 | Data processing method and device |
| WO2022083466A1 (en) * | 2020-10-19 | 2022-04-28 | 华为技术有限公司 | Method and device for data processing |
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