CN109101331A - A kind of method, system and the equipment of AIO request processing - Google Patents

A kind of method, system and the equipment of AIO request processing Download PDF

Info

Publication number
CN109101331A
CN109101331A CN201811013926.9A CN201811013926A CN109101331A CN 109101331 A CN109101331 A CN 109101331A CN 201811013926 A CN201811013926 A CN 201811013926A CN 109101331 A CN109101331 A CN 109101331A
Authority
CN
China
Prior art keywords
request
aio
bottom layer
layer driving
scsi
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811013926.9A
Other languages
Chinese (zh)
Inventor
陈思聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Yunhai Information Technology Co Ltd
Original Assignee
Zhengzhou Yunhai Information Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Yunhai Information Technology Co Ltd filed Critical Zhengzhou Yunhai Information Technology Co Ltd
Priority to CN201811013926.9A priority Critical patent/CN109101331A/en
Publication of CN109101331A publication Critical patent/CN109101331A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/48Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806Task transfer initiation or dispatching
    • G06F9/4812Task transfer initiation or dispatching by interrupt, e.g. masked

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stored Programmes (AREA)

Abstract

This application discloses a kind of methods of AIO request processing, comprising: receives the AIO request of user's input;Judge whether AIO request is compatible with bottom layer driving;If so, requesting building SCSI request according to the AIO, and request queue is added in the SCSI request;Scsi command is constructed according to the SCSI request in the request queue;The scsi command is sent to bottom layer driving, so that bottom layer driving executes the scsi command and completes the processing requested AIO.Technical solution provided herein, generic block layer in the prior art is omitted to merge AIO and sort and submit to the process that special processing thread is issued, the expense for avoiding thread switching and dispatching algorithm, reduces CPU usage, and reduces the processing delay of AIO request.The application additionally provides system, equipment and the computer readable storage medium of a kind of AIO request processing simultaneously, has above-mentioned beneficial effect.

Description

A kind of method, system and the equipment of AIO request processing
Technical field
This application involves AIO to request process field, in particular to a kind of method, system, equipment and the meter of AIO request processing Calculation machine readable storage medium storing program for executing.
Background technique
Currently, being directed to the asynchronous Non-Blocking I/O request (Asynchronous of user's submission in Linux system Input/Output, AIO), it can be by kernel construction block type I/O Request (Block Input Output, BIO) request Asynchronous submission.BIO request is a kernel data structure of generic block layer in linux kernel, it describes the I/O behaviour of block device Make, contacted core buffer and block device BIO request is a kind of universal description that generic block layer submits I/O Request to bottom, The introducing of BIO request, can unify the I/O interface of different block devices.
Since it is desired that taking into account the compliance of various block devices, have by the I/O Request of generic block layer extremely complex Process flow.Generic block layer will use NOOP, and a variety of dispatching algorithms such as CFQ are merged and sorted to IO, and IO is submitted to Special processing thread is issued.In this way, there is the expense of thread switching and dispatching algorithm, lead to CPU usage significantly Rise, and increase I/O latency, is directed to for certain operations very sensitive for delay, such as to file system metadata Operation and Stream Media Application etc. can bring biggish performance loss if submitting IO using generic block layer.
Therefore, the processing delay for how reducing AIO request is a technical problem that technical personnel in the field need to solve at present.
Summary of the invention
The purpose of the application is to provide method, system, equipment and the computer-readable storage medium of a kind of AIO request processing Matter, for reducing the processing delay of AIO request.
In order to solve the above technical problems, the application provides a kind of method of AIO request processing, this method comprises:
Receive the AIO request of user's input;
Judge whether the AIO request is compatible with bottom layer driving;
If so, requesting building SCSI request according to the AIO, and request queue is added in the SCSI request;
Scsi command is constructed according to the SCSI request in the request queue;
The scsi command is sent to the bottom layer driving, so that the bottom layer driving executes the scsi command and completes Processing to AIO request.
Optionally, after the scsi command is sent to bottom layer driving, further includes:
Judge whether the bottom layer driving mistake occurs to the processing that the AIO is requested;
If so, obtaining type of error, and execute the corresponding correcting strategy of the type of error.
Optionally, after executing the corresponding correcting strategy of the type of error, further includes:
The execution time of the type of error and the correcting strategy is recorded, and is exported to designated position.
Optionally, when AIO request is incompatible with bottom layer driving, the scsi command is being sent to bottom layer driving Before, further includes:
The BIO request of block device is constructed in AIO kernel interface, and the BIO is requested BIO request queue is added;
According to the BIO request construction scsi command in the BIO request queue.
The application also provides a kind of system of AIO request processing, which includes:
Receiving module, for receiving the AIO request of user's input;
First judgment module, for judging whether the AIO request is compatible with bottom layer driving;
First request building module, for being asked according to the AIO when AIO request is compatible with the bottom layer driving Building SCSI request is sought, and request queue is added in the SCSI request;
First order constructing module, for constructing scsi command according to the SCSI request in the request queue;
Sending module, for the scsi command to be sent to the bottom layer driving, so that the bottom layer driving executes institute It states scsi command and completes the processing requested the AIO.
Optionally, further includes:
Second judgment module, for judging the bottom after the scsi command is sent to the bottom layer driving Whether driving there is mistake to the AIO processing requested;
Repair module, the processing for request when the bottom layer driving to the AIO when the error occurs, obtain mistake class Type, and execute the corresponding correcting strategy of the type of error.
Optionally, further includes:
Logging modle, for after executing the corresponding correcting strategy of the type of error, record the type of error and The execution time of the correcting strategy, and export to designated position.
Optionally, further includes:
Second request building module, for being connect in AIO kernel when AIO request is incompatible with the bottom layer driving The BIO request of block device is constructed in mouthful, and the BIO is requested BIO request queue is added;
Second order constructing module, for according to the BIO request construction scsi command in the BIO request queue.
The application also provides a kind of AIO request processing equipment, and AIO request processing equipment includes:
Memory, for storing computer program;
Processor realizes the method for the AIO request processing as described in any of the above-described when for executing the computer program The step of.
The application also provides a kind of computer readable storage medium, and calculating is stored on the computer readable storage medium Machine program realizes the step of the method for AIO request processing as described in any of the above-described when the computer program is executed by processor Suddenly.
The method of AIO request processing provided herein, comprising: receive the AIO request of user's input;Judge that the AIO is asked It asks with whether bottom layer driving is compatible;If so, requesting building SCSI request according to the AIO, and the SCSI request is added and is requested Queue;Scsi command is constructed according to the SCSI request in the request queue;The scsi command is sent to bottom layer driving, so that bottom Layer driving executes the scsi command and completes the processing requested AIO.
Technical solution provided herein, it is whether compatible with bottom layer driving by the AIO request for first judging to receive, such as Fruit is compatible, then does not need to construct BIO request in kernel, then BIO is requested after request queue is added, BIO in scheduling request queue Request finally requests construction scsi command according to BIO, but directly requests building SCSI request according to the AIO, is omitted Generic block layer merges AIO and sorts and submits to the process that special processing thread is issued in the prior art, keeps away The expense for having exempted from thread switching and dispatching algorithm, reduces CPU usage, and reduces the processing delay of AIO request.The application System, equipment and the computer readable storage medium of a kind of AIO request processing are additionally provided simultaneously, and there is above-mentioned beneficial effect, Details are not described herein.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of the method for AIO request processing provided by the embodiment of the present application;
Fig. 2 is the flow chart of the method for the request processing of another kind AIO provided by the embodiment of the present application;
Fig. 3 is a kind of structure chart of the system of AIO request processing provided by the embodiment of the present application;
Fig. 4 is the structure chart of the system of the request processing of another kind AIO provided by the embodiment of the present application;
Fig. 5 is a kind of structure chart of AIO request processing equipment provided by the embodiment of the present application.
Specific embodiment
The core of the application is to provide method, system, equipment and the computer-readable storage medium of a kind of AIO request processing Matter, for reducing the processing delay of AIO request.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Based on the prior art, the AIO request of user's submission is directed in Linux system, it can be by being constructed in kernel BIO requests asynchronous submission.And generic block layer will use NOOP, a variety of dispatching algorithms such as CFQ are merged and are sorted to IO, and will IO submits to special processing thread and is issued.In this way, there is the expense of thread switching and dispatching algorithm, CPU is caused to account for Risen significantly with rate, and increase I/O latency, is directed to for certain operations very sensitive for delay, such as to file system The operation of metadata and Stream Media Application etc. can bring biggish performance loss if submitting IO using generic block layer.
Based on this, this application provides a kind of methods of AIO request processing, for solving the above problems.
Referring to FIG. 1, Fig. 1 is a kind of flow chart of the method for AIO request processing provided by the embodiment of the present application.
It specifically comprises the following steps:
S101: the AIO request of user's input is received;
S102: judge whether AIO request is compatible with bottom layer driving;
If so, entering step S103;
When receiving the AIO request of user's input, first judge whether AIO request is compatible with bottom layer driving, if incompatible, The AIO can also then be requested to carry out next step operation after being converted into BIO request;
When AIO request is compatible with bottom layer driving, then prove that the AIO is requested and bottom layer driving and there is no compatibility to ask Topic does not need to request to convert to the AIO.
S103: building SCSI request is requested according to the AIO, and request queue is added in the SCSI request;
SCSI request mentioned herein is small computer system interface request (Small Computer System Interface, SCSI), in the embodiment of the present application, using SCSI request as the request of User space, SCSI is operated directly down Bottom layer driving has got around block I/O subsystem layer, avoids using BIO structure, there is no need to be lined up and dispatched to incite somebody to action Scsi command is directly committed to bottom layer driving.
S104: scsi command is constructed according to the SCSI request in the request queue;
S105: being sent to bottom layer driving for the scsi command, so that bottom layer driving executes scsi command completion and asks to AIO The processing asked.
The IO process of AIO based on Linux system in the prior art requires after SCSI layers each time completion IO Judge whether IO correctly returns, if IO is not returned correctly, it is also necessary to carry out block layer error handle, also need again when mistake is serious BIO is requested to be added in request queue and is executed again, there is many unnecessary error handles, cause I/O latency higher;It is excellent Choosing, the embodiment of the present application can also execute following steps after the scsi command is sent to bottom layer driving:
Judge whether bottom layer driving mistake occurs to the processing that AIO is requested;
If so, obtaining type of error, and execute the corresponding correcting strategy of type of error.
Since the error code of generic block layer is fairly simple, specific type of error cannot be described.And the mistake of scsi command Code is then relatively more, and using the error handle after completion I O process, upper layer application can be directed to specific error code, to formulate phase The strategy answered obtains type of error, and execute the type of error so that the processing that bottom layer driving requests AIO is when the error occurs Corresponding correcting strategy, for example, untreated read error, can be repaired by rewriteeing.But the content write, it must just allow Layer is calculated using the verification by raid algorithm or file system, and bottom can not be handled.
Preferably, after executing the corresponding correcting strategy of the type of error, can also include:
It records the execution time of the type of error and correcting strategy, and exports to designated position, such as the mailbox of user or short Mailbox etc. is believed, so that operation maintenance personnel can be maintained according to relative recording.
Based on the above-mentioned technical proposal, the method for a kind of AIO provided herein request processing, is received by first judging AIO request it is whether compatible with bottom layer driving, if it is, do not need kernel construct BIO request, then by BIO request add After entering request queue, BIO is requested in scheduling request queue, finally construction scsi command is requested according to BIO, directly according to the AIO Request building SCSI request is omitted generic block layer in the prior art and merges and sort to AIO and submit to special The process that is issued of processing thread, avoid the expense of thread switching and dispatching algorithm, reduce CPU usage, and drop The processing delay of low AIO request.
It is directed to the step S102 of an embodiment, when AIO request is incompatible with bottom layer driving, can also be performed such as figure Step shown in 2, is illustrated below with reference to Fig. 2.
Referring to FIG. 2, Fig. 2 is the flow chart of the method for the request processing of another kind AIO provided by the embodiment of the present application.
Itself specifically includes the following steps:
S201: the BIO request of block device is constructed in AIO kernel interface, and BIO is requested BIO request queue is added;
S202: according to the BIO request construction scsi command in BIO request queue.
When AIO request is incompatible with bottom layer driving, the BIO request of block device is constructed in AIO kernel interface, and will BIO request queue is added in BIO request, and according to the BIO request construction scsi command in BIO request queue, finally by the SCSI Order is sent to bottom layer driving, so that bottom layer driving executes the scsi command and completes the processing requested AIO.
Referring to FIG. 3, Fig. 3 is a kind of structure chart of the system of AIO request processing provided by the embodiment of the present application.
The system may include:
Receiving module 100, for receiving the AIO request of user's input;
First judgment module 200, for judging whether AIO request is compatible with bottom layer driving;
First request building module 300, for requesting building SCSI according to AIO when AIO request is compatible with bottom layer driving Request, and request queue is added in SCSI request;
First order constructing module 400, for constructing scsi command according to the SCSI request in request queue;
Sending module 500, for scsi command to be sent to bottom layer driving, so that bottom layer driving executes scsi command and completes Processing to AIO request.
Referring to FIG. 4, Fig. 4 is the structure chart of the system of the request processing of another kind AIO provided by the embodiment of the present application.
The system can also include:
Second judgment module, for after scsi command is sent to bottom layer driving, judging that bottom layer driving requests AIO Processing whether there is mistake;
Repair module, the processing for request when bottom layer driving to AIO when the error occurs, acquisition type of error, and executing The corresponding correcting strategy of type of error.
The system can also include:
Logging modle is used for after executing the corresponding correcting strategy of type of error, misregistration type and correcting strategy The execution time, and export to designated position.
The system can also include:
Second request building module, for being constructed in AIO kernel interface when AIO request is incompatible with bottom layer driving The BIO of block device is requested, and BIO is requested BIO request queue is added;
Second order constructing module, for according to the BIO request construction scsi command in BIO request queue.
Each component part in system above can be applied in embodiment below:
Receiving module receives the AIO request of user's input;First judgment module judges whether AIO request is simultaneous with bottom layer driving Hold;When AIO request is incompatible with bottom layer driving, the second request building module constructs the BIO of block device in AIO kernel interface Request, and BIO is requested BIO request queue is added;Second order constructing module requests structure according to the BIO in BIO request queue Make scsi command;
When AIO request is compatible with bottom layer driving, the first request building module requests building SCSI request according to AIO, and Request queue is added in SCSI request;First order constructing module constructs scsi command according to the SCSI request in request queue; Scsi command is sent to bottom layer driving by sending module, so that bottom layer driving executes scsi command and completes the processing requested AIO;
Second judgment module judges the place that bottom layer driving requests AIO after scsi command is sent to bottom layer driving Whether reason there is mistake;When the processing that bottom layer driving requests AIO when the error occurs, repair module obtains type of error, and holds The corresponding correcting strategy of row type of error.Logging modle is after executing the corresponding correcting strategy of type of error, misregistration class The execution time of type and correcting strategy, and export to designated position.
Referring to FIG. 5, Fig. 5 is a kind of structure chart of AIO request processing equipment provided by the embodiment of the present application.
AIO request processing equipment 600 can generate bigger difference because configuration or performance are different, may include one Or more than one processor (central processing units, CPU) 622 (for example, one or more processors) With memory 632, storage medium 630 (such as one or one of one or more storage application programs 642 or data 644 A above mass memory unit).Wherein, memory 632 and storage medium 630 can be of short duration storage or persistent storage.Storage It may include one or more modules (diagram does not mark) in the program of storage medium 630, each module may include pair Series of instructions operation in device.Further, central processing unit 622 can be set to communicate with storage medium 630, AIO requests to execute the series of instructions operation in storage medium 630 in processing equipment 600.
AIO, which requests processing equipment 600, to include one or more power supplys 626, one or more are wired Or radio network interface 650, one or more input/output interfaces 658, and/or, one or more operating systems 641, such as Windows ServerTM, Mac OS XTM, UnixTM, linuxTM, FreeBSDTM etc..
Step in the method for the request processing of AIO described in above-mentioned Fig. 1 to Fig. 2 is based on by AIO request processing equipment should Structure shown in fig. 5 is realized.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device, device and method, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the division of module, Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple module or components can be with In conjunction with or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of device or module or Communication connection can be electrical property, mechanical or other forms.
Module may or may not be physically separated as illustrated by the separation member, show as module Component may or may not be physical module, it can and it is in one place, or may be distributed over multiple networks In module.Some or all of the modules therein can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, can integrate in a processing module in each functional module in each embodiment of the application It is that modules physically exist alone, can also be integrated in two or more modules in a module.Above-mentioned integrated mould Block both can take the form of hardware realization, can also be realized in the form of software function module.
If integrated module is realized and when sold or used as an independent product in the form of software function module, can To be stored in a computer readable storage medium.Based on this understanding, the technical solution of the application substantially or Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products Out, which is stored in a storage medium, including some instructions are used so that a computer equipment The whole of (can be personal computer, funcall device or the network equipment etc.) execution each embodiment method of the application Or part steps.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. are various can store program The medium of code.
Above to method, system, equipment and the computer-readable storage medium of a kind of AIO request processing provided herein Matter is described in detail.Specific examples are used herein to illustrate the principle and implementation manner of the present application, above The explanation of embodiment is merely used to help understand the present processes and its core concept.It should be pointed out that for the art Those of ordinary skill for, under the premise of not departing from the application principle, can also to the application carry out it is several improvement and repair Decorations, these improvement and modification are also fallen into the protection scope of the claim of this application.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except there is also other identical elements in the process, method, article or equipment for including element.

Claims (10)

1. a kind of method of AIO request processing characterized by comprising
Receive the AIO request of user's input;
Judge whether the AIO request is compatible with bottom layer driving;
If so, requesting building SCSI request according to the AIO, and request queue is added in the SCSI request;
Scsi command is constructed according to the SCSI request in the request queue;
The scsi command is sent to the bottom layer driving, so that the bottom layer driving executes the scsi command and completes to institute State the processing of AIO request.
2. the method according to claim 1, wherein after the scsi command is sent to bottom layer driving, Further include:
Judge whether the bottom layer driving mistake occurs to the processing that the AIO is requested;
If so, obtaining type of error, and execute the corresponding correcting strategy of the type of error.
3. according to the method described in claim 2, it is characterized in that, execute the corresponding correcting strategy of the type of error it Afterwards, further includes:
The execution time of the type of error and the correcting strategy is recorded, and is exported to designated position.
4. the method according to claim 1, wherein being incited somebody to action when AIO request is incompatible with bottom layer driving The scsi command is sent to before bottom layer driving, further includes:
The BIO request of block device is constructed in AIO kernel interface, and the BIO is requested BIO request queue is added;
According to the BIO request construction scsi command in the BIO request queue.
5. a kind of system of AIO request processing characterized by comprising
Receiving module, for receiving the AIO request of user's input;
First judgment module, for judging whether the AIO request is compatible with bottom layer driving;
First request building module, for requesting structure according to the AIO when AIO request is compatible with the bottom layer driving SCSI request is built, and request queue is added in the SCSI request;
First order constructing module, for constructing scsi command according to the SCSI request in the request queue;
Sending module, for the scsi command to be sent to the bottom layer driving, so that described in bottom layer driving execution Scsi command completes the processing requested the AIO.
6. system according to claim 5, which is characterized in that further include:
Second judgment module, for judging the bottom layer driving after the scsi command is sent to the bottom layer driving Whether there is mistake to the processing of AIO request;
Repair module, the processing for request when the bottom layer driving to the AIO when the error occurs, acquisition type of error, and Execute the corresponding correcting strategy of the type of error.
7. system according to claim 6, which is characterized in that further include:
Logging modle, for after executing the corresponding correcting strategy of the type of error, recording the type of error and described The execution time of correcting strategy, and export to designated position.
8. system according to claim 5, which is characterized in that further include:
Second request building module, is used for when AIO request is incompatible with the bottom layer driving, in AIO kernel interface The BIO request of block device is constructed, and the BIO is requested BIO request queue is added;
Second order constructing module, for according to the BIO request construction scsi command in the BIO request queue.
9. a kind of AIO requests processing equipment characterized by comprising
Memory, for storing computer program;
Processor, the AIO request processing as described in any one of Claims 1-4 is realized when for executing the computer program The step of method.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium Program realizes the side of the AIO request processing as described in any one of Claims 1-4 when the computer program is executed by processor The step of method.
CN201811013926.9A 2018-08-31 2018-08-31 A kind of method, system and the equipment of AIO request processing Pending CN109101331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811013926.9A CN109101331A (en) 2018-08-31 2018-08-31 A kind of method, system and the equipment of AIO request processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811013926.9A CN109101331A (en) 2018-08-31 2018-08-31 A kind of method, system and the equipment of AIO request processing

Publications (1)

Publication Number Publication Date
CN109101331A true CN109101331A (en) 2018-12-28

Family

ID=64864702

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811013926.9A Pending CN109101331A (en) 2018-08-31 2018-08-31 A kind of method, system and the equipment of AIO request processing

Country Status (1)

Country Link
CN (1) CN109101331A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110187985A (en) * 2019-05-30 2019-08-30 苏州浪潮智能科技有限公司 A kind of communication means, system and device
CN112002370A (en) * 2020-07-23 2020-11-27 烽火通信科技股份有限公司 Method and device for identifying disk abnormity and distributed storage system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101639763A (en) * 2009-08-27 2010-02-03 中兴通讯股份有限公司 IO dispatching method and device
CN102073605A (en) * 2010-12-27 2011-05-25 深圳市创新科信息技术有限公司 Method for storage interface bypassing Bio layer to access disk drive
CN103543960A (en) * 2013-10-12 2014-01-29 创新科存储技术有限公司 Method for storing data
CN105975358A (en) * 2016-05-03 2016-09-28 深圳市杉岩数据技术有限公司 Fault-tolerant method and system based on SCSI equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101639763A (en) * 2009-08-27 2010-02-03 中兴通讯股份有限公司 IO dispatching method and device
CN102073605A (en) * 2010-12-27 2011-05-25 深圳市创新科信息技术有限公司 Method for storage interface bypassing Bio layer to access disk drive
CN103543960A (en) * 2013-10-12 2014-01-29 创新科存储技术有限公司 Method for storing data
CN105975358A (en) * 2016-05-03 2016-09-28 深圳市杉岩数据技术有限公司 Fault-tolerant method and system based on SCSI equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110187985A (en) * 2019-05-30 2019-08-30 苏州浪潮智能科技有限公司 A kind of communication means, system and device
CN110187985B (en) * 2019-05-30 2021-10-15 苏州浪潮智能科技有限公司 Communication method, system and device
CN112002370A (en) * 2020-07-23 2020-11-27 烽火通信科技股份有限公司 Method and device for identifying disk abnormity and distributed storage system
CN112002370B (en) * 2020-07-23 2022-04-15 烽火通信科技股份有限公司 Method and device for identifying disk abnormity and distributed storage system

Similar Documents

Publication Publication Date Title
CN108537543A (en) Method for parallel processing, device, equipment and the storage medium of block chain data
CN101965559B (en) Flash memory controller having crosspoint switch connecting processer and internal storage
US7739432B1 (en) Command switching for multiple initiator access to a SATA drive
CN108008911A (en) Read-write requests processing method and processing device
CN109783472A (en) Moving method, device, computer equipment and the storage medium of table data
CN108052655A (en) Data write and read method
US20080104321A1 (en) Fast write operations to a mirrored volume in a volume manager
CN107729559A (en) Method, system, equipment and the storage medium of data base read-write asynchronous access
CN101616174A (en) A kind of storage system IO handles the method that the path dynamic tracking realizes the optimization system performance
CN109101331A (en) A kind of method, system and the equipment of AIO request processing
CN110401697A (en) A kind of method, system and the equipment of concurrent processing HTTP request
CN104699654A (en) Interconnection adapting system and method based on CHI on-chip interaction bus and QPI inter-chip interaction bus
CN102073605A (en) Method for storage interface bypassing Bio layer to access disk drive
CN103617136A (en) SCSI drive side and I/O request control method
JP3617631B2 (en) Storage control apparatus and control method thereof
CN106502822A (en) Data read-write method and device
CN105739930A (en) Storage framework as well as initialization method, data storage method and data storage and management apparatus therefor
CN106662895A (en) Computer device and data read-write method for computer device
CN106888116A (en) A kind of dispatching method of dual controller cluster shared resource
CN104571931A (en) I/O (input/output) request combination scheduling system and method based on system resources
US7272692B2 (en) Arbitration scheme for memory command selectors
CN104252416A (en) Accelerator and data processing method
EP2805242A1 (en) Storage provisioning negotiation
CN104216984B (en) Data query method
CN109617988A (en) Request retries method and Related product

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181228

RJ01 Rejection of invention patent application after publication