CN107577430A - A kind of load balance transmission quality implementation method - Google Patents
A kind of load balance transmission quality implementation method Download PDFInfo
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- CN107577430A CN107577430A CN201710793973.9A CN201710793973A CN107577430A CN 107577430 A CN107577430 A CN 107577430A CN 201710793973 A CN201710793973 A CN 201710793973A CN 107577430 A CN107577430 A CN 107577430A
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- physical link
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Abstract
The present invention relates to a kind of load balance transmission quality implementation method, this method carries out signal detection to the M bars link of multipath, M is the positive integer more than or equal to 2, and division link load is carried out to signal transmission with signal detecting result, to ensure when M bars link carries out signal transmission, when avoiding directly transmitting signal and causing single link signal delay high, other link all needs to wait for the problem of single link signal, this method, can be by the adjustment of load of M bar links to optimum state by dividing load signal for testing result.
Description
Technical field
Patent of the present invention is related to computer field of storage, particularly multipath redundant load equilibrium field.
Background technology
Storage system refers to various storage devices, control unit and the management information by storage program and data in computer
The equipment of scheduling（Hardware）And algorithm（Software）The system formed.The main storage of computer can not meet access speed simultaneously
Hurry up, the big requirement low with cost of memory capacity, must have in a computer speed from slow to fast, the descending multistage layer of capacity
External memory, with optimal control dispatching algorithm and rational cost, composition has the acceptable storage system of performance.
The business difference provided according to storage system can be divided into block storage（Disk array）, file storage and object storage,
Block stores（Disk array Redundant Arrays of Independent Disks, RAID）, there is " independent disk composition
The meaning of array with redundant ability ".RAID（RAID, redundant array of independent
disks）It is the different places identical data storage in multiple hard disks（Therefore, redundantly）Method.By data
It is placed on multiple hard disks, the mode of input-output operation symmetrical overlaps, improved performance.Because multiple hard disks add average
Time between failures（MTBF）, storage redundant data also increases fault-tolerant.
Multipath redundancy I/O (Multipath I/O) refers to that server is connected to block storage by a plurality of physical pathway and set
It is standby, when the RAID controller failure and other reasons because of main frame HBA cards, cable, interchanger or storage device cause a physics
During path failure, the I/O by this physical pathway can be transferred to above other normal physical pathways by server, using journey
Sequence will not be aware of this change, so as to improve the availability of system.Hardware aspect needs server to have 2 pieces or more of HBA
Interface card, there is two or more interchangers on network, block storage device has two or more redundant manipulators, each physics
There is no any hardware to interdepend between path.
Multipath redundancy is a kind of fault tolerant mechanism, and Multipath I/O can also realize I/O load balancing, improve systematicness
Can, but multipath is commonly encountered and causes signal to transmit because emergency situations occurs in wall scroll physical link transmission quality in application process
Prolong the problem of high to the greatest extent.
Patent of invention content
Patent of the present invention is related to a kind of load balance transmission quality implementation method, M bar link of this method to multipath
Signal detection is carried out, M is the positive integer more than or equal to 2, and carries out division link load to signal transmission with signal detecting result,
To ensure when M bars link carries out signal transmission, when avoiding directly transmitting signal and causing single link signal delay high, in addition
Link the problem of all needing to wait for single link signal, this method, can be by M by dividing load signal for testing result
The adjustment of load of bar link is to optimum state.
Brief description of the drawings
Fig. 1 is a kind of load balance transmission quality implementation method structural representation of patent of the present invention.
Embodiment
In order that the object, technical solution and advantage of patent of the present invention are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, patent of the present invention is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
Patent of the present invention, is not intended to limit the present invention patent.
Referring to Fig. 1, Fig. 1 is a kind of load balance transmission quality implementation method structural representation of patent of the present invention
Figure.
A kind of load balance transmission quality implementation method, it is characterised in that methods described includes virtual multipath
（10）, physical link one（11）, physical link two（12）, storage device（13）, storage volume（15）With business main frame（14）, the party
Method storage device（13）With business main frame（14）Pass through physical link one（11）With physical link two（12）It is connected, and by storage volume
（15）It is mapped to business main frame（14）Use, physical link one（11）With physical link two（12）Invented by multi-path software
Virtual multipath（10）, signal transmit when all pass through virtual multipath（10）Carry out.
A kind of load balance transmission quality implementation method, it is characterised in that this method is virtual in this example more
Path（10）By physical link one（11）With physical link two（12）Composition, but virtual multipath（10）Can be by M bar physics chains
Road forms, and M is the positive integer more than or equal to 2.
A kind of load balance transmission quality implementation method, it is characterised in that this method virtual multipath（10）Meeting
Detection signal is sent to detect physical link state, the strategy for the load balancing that upgraded in time according to physical link state, such as physics
Link one（11）Than physical link two（12）Transmission performance low 20%, then when updating load balancing, physical link one
（11）Than physical link two（12）Transmission signal amount low 20%.
A kind of load balance transmission quality implementation method, it is characterised in that this method virtual multipath（10）
Detection signal is sent as automatic triggering, trigger condition X, which is that signal transmission is idle, is more than 50%.
The preferred embodiment of patent of the present invention is the foregoing is only, is not intended to limit the invention patent, it is all at this
All any modification, equivalent and improvement made within the spirit and principle of patent of invention etc., should be included in patent of the present invention
Protection domain within.
Claims (4)
1. a kind of load balance transmission quality implementation method, it is characterised in that methods described includes virtual multipath
（10）, physical link one（11）, physical link two（12）, storage device（13）, storage volume（15）With business main frame（14）, the party
Method storage device（13）With business main frame（14）Pass through physical link one（11）With physical link two（12）It is connected, and by storage volume
（15）It is mapped to business main frame（14）Use, physical link one（11）With physical link two（12）Invented by multi-path software
Virtual multipath（10）, signal transmit when all pass through virtual multipath（10）Carry out.
A kind of 2. load balance transmission quality implementation method according to claim 1, it is characterised in that this method
Virtual multipath in this example（10）By physical link one（11）With physical link two（12）Composition, but virtual multipath（10）
It can be made up of M bar physical links, M is the positive integer more than or equal to 2.
A kind of 3. load balance transmission quality implementation method according to claim 1, it is characterised in that this method
Virtual multipath（10）Detection signal can be sent to detect physical link state, load is upgraded in time according to physical link state
The strategy of weighing apparatus, such as physical link one（11）Than physical link two（12）Transmission performance low 20%, then renewal load balancing
When, physical link one（11）Than physical link two（12）Transmission signal amount low 20%.
A kind of 4. load balance transmission quality implementation method according to claim 1, it is characterised in that this method
Virtual multipath（10）Detection signal is being sent as automatic triggering, trigger condition X, which is that signal transmission is idle, is more than 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793973.9A CN107577430A (en) | 2017-09-06 | 2017-09-06 | A kind of load balance transmission quality implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793973.9A CN107577430A (en) | 2017-09-06 | 2017-09-06 | A kind of load balance transmission quality implementation method |
Publications (1)
| Publication Number | Publication Date |
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| CN107577430A true CN107577430A (en) | 2018-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710793973.9A Pending CN107577430A (en) | 2017-09-06 | 2017-09-06 | A kind of load balance transmission quality implementation method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6983330B1 (en) * | 1999-12-29 | 2006-01-03 | Emc Corporation | Method and apparatus for using multiple paths for processing out of band commands |
| CN104333586A (en) * | 2014-10-31 | 2015-02-04 | 山东超越数控电子有限公司 | SAN (storage area network) storage design method based on optical fiber link |
-
2017
- 2017-09-06 CN CN201710793973.9A patent/CN107577430A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6983330B1 (en) * | 1999-12-29 | 2006-01-03 | Emc Corporation | Method and apparatus for using multiple paths for processing out of band commands |
| CN104333586A (en) * | 2014-10-31 | 2015-02-04 | 山东超越数控电子有限公司 | SAN (storage area network) storage design method based on optical fiber link |
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Application publication date: 20180112 |