CN110008165A - A kind of NTB link management method, system and relevant apparatus - Google Patents
A kind of NTB link management method, system and relevant apparatus Download PDFInfo
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- CN110008165A CN110008165A CN201910295259.6A CN201910295259A CN110008165A CN 110008165 A CN110008165 A CN 110008165A CN 201910295259 A CN201910295259 A CN 201910295259A CN 110008165 A CN110008165 A CN 110008165A
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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
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
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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
This application discloses a kind of NTB link management method, system and a kind of NTB node device, NTB link and a kind of computer readable storage mediums, this method comprises: the NTB link, which is invented network interface card, carries out network package test, judge whether the NTB link is connected to according to test result；If so, determine package time delay, and in the NTB link according to the package delay adjusting PCIe Switch EQ parameter, so that the NTB link reaches preset link state.NTB link management method provided by the present application, before the connection of NTB link, the network interface card that NTB link invents interconnection is subjected to dynamic commissioning, the link EQ parameter for arranging in pairs or groups different according to the time delay of network package, connectivity after ensure that NTB link establishment, and improve the reliability of NTB link.
Description
Technical field
This application involves field of computer technology, more specifically to a kind of NTB link management method, system and one
Kind NTB node device, NTB link and a kind of computer readable storage medium.
Background technique
With PCIe (peripheral component interconnect express, a kind of high speed serialization computer
Expansion bus standard) technology development, NTB (full name in English: Non-Transparent-Bridge, non-transparent bridge) high speed interconnect
Technology is more and more applied in server and more control field of storage.NTB link can not be intuitive due to its distinctive non-transparency
Embody link establishment after connectivity.NTB link is quickly positioned and is solved in case of being difficult to after problem, if link-quality
It is very poor to directly result in system degradation or cluster can not be established, the strong influence reliability of system entirety.
Therefore, how to improve the reliability of NTB link is those skilled in the art's technical issues that need to address.
Summary of the invention
The application's is designed to provide a kind of NTB link management method, system and a kind of NTB node device, NTB link
With a kind of computer readable storage medium, the reliability of NTB link is improved.
To achieve the above object, this application provides a kind of NTB link management methods, comprising:
The NTB link is invented into network interface card and carries out network package test, judges that the NTB link is according to test result
No connection；
If so, determine package time delay, and in the NTB link according to the package delay adjusting PCIeSwitch EQ
Parameter, so that the NTB link reaches preset link state.
Wherein, further includes:
EQ parameter by the package time delay and after adjusting carries out data between the different PCIe Switch and is total to
It enjoys, so that all PCIe Switch acquisitions meet the packet data of the package time delay.
Wherein, further includes:
Configuration parameter in the PCIe Switch is reverted into preset value；Wherein, the preset value is the PCIe
The default setting of Switch.
To achieve the above object, this application provides a kind of NTB link management systems, comprising:
Test module carries out network package test for the NTB link to be invented network interface card, is judged according to test result
Whether the NTB link is connected to；
Adjustment module, for determining package time delay, and according to the package delay adjusting when NTB link connection
The EQ parameter of PCIe Switch in the NTB link, so that the NTB link reaches preset link state.
To achieve the above object, this application provides a kind of NTB node devices, including RC and PCIeSwitch；The RC
It is connected with the PCIe Switch；
For storing the memory of computer program；
It is connected with the RC, the PCIe Switch and the memory, it is real when for executing the computer program
The now processor such as the step of above-mentioned NTB link management method.
Wherein, further includes:
It is connected with the processor, for the serial port module with external device communication.
Wherein, further includes:
It is connected with the serial port module, is converted to the wireless of wireless signal with the rs 232 serial interface signal for exporting the serial port module
Module.
Wherein, further includes:
It is connected with the processor, for showing the indicating module of the NTB node device state.
To achieve the above object, this application provides a kind of NTB links, including the first NTB node device and the 2nd NTB section
Point device；The first NTB node device and the 2nd NTB node device are such as above-mentioned NTB node device；
Second in the first PCIe Switch and the 2nd NTB node device in the first NTB node device
PCIe Switch is connected by backboard interconnection module.
To achieve the above object, this application provides a kind of computer readable storage medium, the computer-readable storages
It is stored with computer program on medium, such as above-mentioned NTB link management method is realized when the computer program is executed by processor
The step of.
By above scheme it is found that a kind of NTB link management method provided by the present application, comprising: the NTB link is empty
Quasi- networking card carries out network package test, judges whether the NTB link is connected to according to test result；If so, determining package
Time delay, and in the NTB link according to the package delay adjusting PCIe Switch EQ parameter, so that the NTB link reaches
To preset link state.
NTB link is invented the network interface card of interconnection before the connection of NTB link by NTB link management method provided by the present application
Carry out dynamic commissioning, the link EQ parameter for arranging in pairs or groups different according to the time delay of network package, the connection after ensure that NTB link establishment
Property, and improve the reliability of NTB link.Disclosed herein as well is a kind of NTB link management systems and a kind of NTB node to set
Standby, NTB link and a kind of computer readable storage medium, are equally able to achieve above-mentioned technical effect.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
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
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.Attached drawing is and to constitute specification for providing further understanding of the disclosure
A part, be used to explain the disclosure together with following specific embodiment, but do not constitute the limitation to the disclosure.Attached
In figure:
Fig. 1 is a kind of flow chart of NTB link management method shown according to an exemplary embodiment；
Fig. 2 is a kind of structure chart of NTB link management system shown according to an exemplary embodiment；
Fig. 3 is a kind of structure chart of NTB link shown according to an exemplary embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The embodiment of the present application discloses a kind of NTB link management method, improves the reliability of NTB link.
Referring to Fig. 1, a kind of flow chart of NTB link management method shown according to an exemplary embodiment, such as Fig. 1 institute
Show, comprising:
S101: the NTB link is invented into network interface card and carries out network package test, the NTB is judged according to test result
Whether link is connected to；If so, into S102；
The executing subject of the present embodiment can for such as BMC (Chinese name: baseboard management controller, full name in English:
Baseboard Management Controller) etc. embedded managements chip, the chip be located on board, system start
NTB link is invented into the network interface card interconnected between more controls afterwards and carries out network package transmission test, NTB may determine that according to test result
Whether link is connected to, if so, into S102；If it is not, then illustrating that NTB link can notify management terminal to be alerted.
S102: determining package time delay, and the EQ of PCIeSwitch joins in the NTB link according to the package delay adjusting
Number, so that the NTB link reaches preset link state.
After determining the connection of NTB link, package time delay can be determined by test result, and according to the time delay of package dynamic
The different EQ parameter of allotment reach preset link state, it can adjust link state by adjusting EQ parameter, make NTB
Link reaches optimal connection status.
On the basis of the above embodiments, as a preferred implementation manner, further include: by the package time delay and adjusting
EQ parameter afterwards carries out data sharing between the different PCIe Switch, so that all PCIe Switch are obtained
Meet the packet data of the package time delay.
In specific implementation, the communication that package delay data and EQ parameter etc. can be carried out by wireless module is shared, more
Collaboration carries out the network package data that EQ parameter configuration meets default delay criteria with common acquisition between control.
On the basis of the above embodiments, as a preferred implementation manner, further include: will be in the PCIe Switch
Configuration parameter revert to preset value；Wherein, the preset value is the default setting of the PCIe Switch.
In specific implementation, the configuration in PCIe Switch can be joined and directly reverts to default setting, prevent parameter
It is unexpected that modification lead to the generation of NTB link failure.
NTB link is invented interconnection before the connection of NTB link by NTB link management method provided by the embodiments of the present application
Network interface card carry out dynamic commissioning, the link EQ parameter for arranging in pairs or groups different according to the time delay of network package, after ensure that NTB link establishment
Connectivity, and improve the reliability of NTB link.
A kind of NTB link management system provided by the embodiments of the present application is introduced below, a kind of NTB described below
Link management system can be cross-referenced with a kind of above-described NTB link management method.
Referring to fig. 2, the structure chart of a kind of NTB link management system shown according to an exemplary embodiment, such as Fig. 2 institute
Show, comprising:
Test module 201 carries out network package test for the NTB link to be invented network interface card, according to test result
Judge whether the NTB link is connected to；
Adjustment module 202, for determining package time delay, and according to the package time delay tune when NTB link connection
The EQ parameter of PCIe Switch in the NTB link is saved, so that the NTB link reaches preset link state.
On the basis of the above embodiments, as a preferred implementation manner, further include:
Sharing module, for by the package time delay and adjust after EQ parameter the different PCIe Switch it
Between carry out data sharing, meet the packet data of the package time delay so that all PCIe Switch are obtained.
On the basis of the above embodiments, as a preferred implementation manner, further include:
Recovery module, for the configuration parameter in the PCIe Switch to be reverted to preset value；Wherein, described default
Value is the default setting of the PCIe Switch.
About the system in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
NTB link is invented interconnection before the connection of NTB link by NTB link management system provided by the embodiments of the present application
Network interface card carry out dynamic commissioning, the link EQ parameter for arranging in pairs or groups different according to the time delay of network package, after ensure that NTB link establishment
Connectivity, and improve the reliability of NTB link.
The embodiment of the present application provides a kind of NTB node device, including RC (Root Complex) and PCIe Switch；
The RC is connected with the PCIe Switch；
For storing the memory of computer program；
It is connected with the RC, the PCIe Switch and the memory, it is real when for executing the computer program
The now processor such as the step of the NTB link management method of above-mentioned any embodiment offer.
On the basis of the above embodiments, as a preferred implementation manner, further include: be connected with the processor, use
In the serial port module with external device communication.Serial port module can carry out processor and extraneous communication.
On the basis of the above embodiments, as a preferred implementation manner, further include: it is connected with the serial port module,
The wireless module of wireless signal is converted to the rs 232 serial interface signal for exporting the serial port module.Wireless module can believe serial port module
The wireless signals such as wifi number are converted into, and the processor between more controls can be carried out wireless interconnected.
On the basis of the above embodiments, as a preferred implementation manner, further include: be connected with the processor, use
In the indicating module for showing the NTB node device state.Indicating module is located on board, is directly controlled by processor, right
The real-time status of the outer current NTB node device of instruction.
The embodiment of the present application automatically switches the clock buffer mode of PCIe Switch when system opens spread spectrum and consolidates
Part, the reset release time for the PCIe Switch that automatically prolongs will be set as preset value reset release time, the preset value
Lower limit is NTB link from SSC patterns of change to the time of CFC mode.It can be seen that the embodiment of the present application is reasonable by setting
Reset release time evades the variation of SSC to CFC, improves the reliability of NTB link.
The embodiment of the present application provides a kind of NTB link, as shown in figure 3, including the first NTB node device and the 2nd NTB
Node device；The first NTB node device and the 2nd NTB node device are the NTB provided such as above-mentioned any embodiment
Node device；
That is the first NTB node device includes the first RC and the first PCIe Switch；First RC and the first PCIe Switch
It is connected；For storing the first memory of computer program；It is homogeneous with the first RC, the first PCIe Switch and first memory
Even, it is realized such as the step of the NTB link management method that above-mentioned any embodiment provides when for executing the computer program
First processor.
2nd NTB node device includes the 2nd RC and the 2nd PCIe Switch；2nd RC and the 2nd PCIe Switch phase
Even；For storing the second memory of computer program；It is connected with the 2nd RC, the 2nd PCIe Switch and second memory,
The second of the step of NTB link management method such as the offer of above-mentioned any embodiment is realized when for executing the computer program
Processor.
Second in the first PCIe Switch and the 2nd NTB node device in the first NTB node device
PCIe Switch is connected by backboard interconnection module.
The embodiment of the present application carries out dynamic commissioning, root before the connection of NTB link, by the network interface card that NTB link invents interconnection
The link EQ parameter for arranging in pairs or groups different according to the time delay of network package, the connectivity after ensure that NTB link establishment, and improve NTB
The reliability of link.
The embodiment of the present application provides a kind of computer readable storage medium including program instruction, which is located
The step of reason device realizes above-mentioned NTB link management method when executing.For example, the computer readable storage medium can be above-mentioned packet
The memory of program instruction is included, above procedure instruction can be executed by processor to complete above-mentioned NTB link management method.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.It should be pointed out that for those skilled in the art, under the premise of not departing from the application principle, also
Can to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the protection scope of the claim of this application
It is interior.
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 apparatus that includes the element.
Claims (10)
1. a kind of NTB link management method characterized by comprising
The NTB link is invented into network interface card and carries out network package test, judges whether the NTB link connects according to test result
It is logical；
If so, determining package time delay, and the EQ of PCIe Switch joins in the NTB link according to the package delay adjusting
Number, so that the NTB link reaches preset link state.
2. NTB link management method according to claim 1, which is characterized in that further include:
EQ parameter by the package time delay and after adjusting carries out data sharing between the different PCIe Switch, with
Toilet has the PCIe Switch to obtain the packet data for meeting the package time delay.
3. NTB link management method according to claim 1, which is characterized in that further include:
Configuration parameter in the PCIe Switch is reverted into preset value；Wherein, the preset value is the PCIe
The default setting of Switch.
4. a kind of NTB link management system characterized by comprising
Test module carries out network package test for the NTB link to be invented network interface card, judged according to test result described in
Whether NTB link is connected to；
Adjustment module, for determining package time delay, and according to the package delay adjusting when NTB link connection
The EQ parameter of PCIe Switch in NTB link, so that the NTB link reaches preset link state.
5. a kind of NTB node device, which is characterized in that including RC and PCIe Switch；The RC and PCIe Switch
It is connected；
For storing the memory of computer program；
Being connected with the RC, the PCIe Switch and the memory, being realized such as when for executing the computer program
Processor described in any one of claim 1-3 the step of NTB link management method.
6. NTB node device according to claim 5, which is characterized in that further include:
It is connected with the processor, for the serial port module with external device communication.
7. NTB node device according to claim 6, which is characterized in that further include:
It is connected with the serial port module, the wireless mould of wireless signal is converted to the rs 232 serial interface signal for exporting the serial port module
Block.
8. NTB node device according to claim 5, which is characterized in that further include:
It is connected with the processor, for showing the indicating module of the NTB node device state.
9. a kind of NTB link, which is characterized in that including the first NTB node device and the 2nd NTB node device；First NTB
Node device and the 2nd NTB node device are the NTB node device as described in any one of claim 5-8；
The 2nd PCIe in the first PCIe Switch and the 2nd NTB node device in the first NTB node device
Switch is connected by backboard interconnection module.
10. a kind of computer readable storage medium, which is characterized in that be stored with NTB chain on the computer readable storage medium
Road management program realizes the NTB as described in any one of claim 1-3 when the NTB link management program is executed by processor
The step of link management method.
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| CN201910295259.6A CN110008165B (en) | 2019-04-12 | 2019-04-12 | NTB link management method, system and related device |
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| CN201910295259.6A CN110008165B (en) | 2019-04-12 | 2019-04-12 | NTB link management method, system and related device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112306775A (en) * | 2020-11-19 | 2021-02-02 | 山东云海国创云计算装备产业创新中心有限公司 | Method, device, equipment and medium for testing communication link between two-way CPUs (central processing unit) |
| WO2024055543A1 (en) * | 2022-09-13 | 2024-03-21 | 苏州元脑智能科技有限公司 | Non-transparent bridge management method and apparatus, controller, and medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110282963A1 (en) * | 2010-05-11 | 2011-11-17 | Hitachi, Ltd. | Storage device and method of controlling storage device |
| CN104639345A (en) * | 2015-01-09 | 2015-05-20 | 加弘科技咨询(上海)有限公司 | Method and system for testing NTB (non-transparent bridging) performance |
| CN104699584A (en) * | 2015-03-20 | 2015-06-10 | 浪潮集团有限公司 | PCIE non-transparent bridge performance testing method |
| CN107153553A (en) * | 2017-06-09 | 2017-09-12 | 郑州云海信息技术有限公司 | The method that Purley platform CPU end PCIe Tx Eq adjustment is carried out based on CScripts |
| CN206807466U (en) * | 2017-03-31 | 2017-12-26 | 山东超越数控电子有限公司 | A kind of high availability redundant ciphering terminal based on PCIE non-transparent bridges |
| CN107769991A (en) * | 2017-08-31 | 2018-03-06 | 郑州云海信息技术有限公司 | A kind of PLX8796 stability test methods of middle and high end storage |
| CN109245950A (en) * | 2018-11-01 | 2019-01-18 | 郑州云海信息技术有限公司 | A kind of method and relevant apparatus that link failure position is determining |
-
2019
- 2019-04-12 CN CN201910295259.6A patent/CN110008165B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110282963A1 (en) * | 2010-05-11 | 2011-11-17 | Hitachi, Ltd. | Storage device and method of controlling storage device |
| CN104639345A (en) * | 2015-01-09 | 2015-05-20 | 加弘科技咨询(上海)有限公司 | Method and system for testing NTB (non-transparent bridging) performance |
| CN104699584A (en) * | 2015-03-20 | 2015-06-10 | 浪潮集团有限公司 | PCIE non-transparent bridge performance testing method |
| CN206807466U (en) * | 2017-03-31 | 2017-12-26 | 山东超越数控电子有限公司 | A kind of high availability redundant ciphering terminal based on PCIE non-transparent bridges |
| CN107153553A (en) * | 2017-06-09 | 2017-09-12 | 郑州云海信息技术有限公司 | The method that Purley platform CPU end PCIe Tx Eq adjustment is carried out based on CScripts |
| CN107769991A (en) * | 2017-08-31 | 2018-03-06 | 郑州云海信息技术有限公司 | A kind of PLX8796 stability test methods of middle and high end storage |
| CN109245950A (en) * | 2018-11-01 | 2019-01-18 | 郑州云海信息技术有限公司 | A kind of method and relevant apparatus that link failure position is determining |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112306775A (en) * | 2020-11-19 | 2021-02-02 | 山东云海国创云计算装备产业创新中心有限公司 | Method, device, equipment and medium for testing communication link between two-way CPUs (central processing unit) |
| WO2024055543A1 (en) * | 2022-09-13 | 2024-03-21 | 苏州元脑智能科技有限公司 | Non-transparent bridge management method and apparatus, controller, and medium |
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| CN110008165B (en) | 2020-07-03 |
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