CN106330562A - System and method for solving crash problem of switch in hot plug process - Google Patents
System and method for solving crash problem of switch in hot plug process Download PDFInfo
- Publication number
- CN106330562A CN106330562A CN201610786687.5A CN201610786687A CN106330562A CN 106330562 A CN106330562 A CN 106330562A CN 201610786687 A CN201610786687 A CN 201610786687A CN 106330562 A CN106330562 A CN 106330562A
- Authority
- CN
- China
- Prior art keywords
- signal
- switch
- signal processing
- processing chip
- connecting line
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/30—Peripheral units, e.g. input or output ports
Abstract
The invention discloses a system and method for solving a crash problem of a switch in a hot plug process. The system comprises: a signal sending device used for sensing a pull-out signal of a connecting line and the switch and converting the pull-out signal into an electrical signal; and a signal processing chip used for judging whether the electrical signal represents that the connecting line is disconnected with the switch when receiving the electrical signal, and if so, outputting an interruption signal to the switch. Therefore, the system adopts a hardware mode to output the interruption signal to the switch when the pull-out signal is detected, in this way, the data exchange between the switch and a host is interrupted in advance prior to pull-out, and then the crash problem of the switch is prevented.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of switch that solves and crash in hot plug process and ask
The system and method for topic.
Background technology
Switch in the present invention refers to the switch with PCI-Express (being called for short PCIE) interface, worked
Cheng Zhong, switch communicates with multiple host, and maximum support communicates between 32 main frames.Switch and main frame are by main
The connecting line (Cable) of machine communicates, and Cable has QSFP+ (Quad Small Form-factor Pluggable
Plus, observe is SFF_8436 agreement) port.In use, QSFP+ port is inserted switch, when not in use
QSFP+ port is extracted.
But find during test, during multiple host and switch communicate, if pulled out suddenly
Fall the Cable of a main frame, switch can be caused to crash.This is because this hot plug is to violate PCIE agreement to hot plug
Require.
As can be seen here, how to solve switch crash in hot plug process the problem of problem be those skilled in the art urgently
Ground to be solved problem.
Summary of the invention
It is an object of the invention to provide a kind of switch that solves to crash in hot plug process the system and method for problem, use
In in hot plug process, cause the problem that switch crashes when the connecting line having main frame is pulled out suddenly.
For solve above-mentioned technical problem, the present invention provide a kind of solve switch in hot plug process deadlock problem be
System, including:
Signal induction device, extracts signal for sense connecting line and switch, and is converted to by described signal of extracting
The signal of telecommunication；
Signal processing chip, for when receiving the described signal of telecommunication, it is judged that whether the described signal of telecommunication characterizes described connection
Line disconnects with described switch, if it is, export interrupt signal to described switch.
Preferably, described signal induction device is pressure transducer, described in extract signal be described connecting line and described friendship
The pressure signal changed planes.
Preferably, described pressure transducer and described signal processing chip are integrated setting, described pressure transducer and institute
State signal processing chip and be arranged at the QSFP+ port of described connecting line.
Preferably, described pressure transducer and described signal processing chip are that split is arranged, and described pressure transducer is arranged
In the QSFP+ port of described connecting line, described signal processing chip is arranged in described switch.
Preferably, described signal processing chip includes signal processing unit and signal output unit；
Described signal processing unit, is used for receiving the described signal of telecommunication, and judges that whether the described signal of telecommunication is less than predetermined value；As
Fruit is then to trigger described signal output unit；
Described signal output unit, for exporting described interrupt signal under the triggering of described signal processing unit.
Preferably, also include suggestion device, be connected with described signal processing chip, for defeated at described signal processing chip
Prompting when going out described interrupt signal.
Preferably, described suggestion device is display lamp.
For solving above-mentioned technical problem, the present invention provides a kind of and solves switch side of deadlock problem in hot plug process
Method, including:
Signal induction device sensing connecting line extracts signal with switch, and described signal of extracting is converted to telecommunications
Number；
Signal processing chip is when receiving the described signal of telecommunication, it is judged that whether the described signal of telecommunication characterizes described connecting line and institute
State switch to disconnect, if it is, export interrupt signal to described switch.
Solution switch provided by the present invention crashes the system and method for problem in hot plug process, including: signal
Induction installation, for sensing the signal of extracting of connecting line and switch, and will extract signal and be converted to the signal of telecommunication；Signal processing core
Sheet, for when receiving the signal of telecommunication, it is judged that whether the signal of telecommunication characterizes connecting line disconnects with switch, if it is, to
Switch output interrupt signal.As can be seen here, native system use hardware mode, when detect extract signal time, to switch
Output interrupt signal, thus the data exchange of switch and main frame can be interrupted before extracting in advance, and then play and prevent from handing over
Change planes occur crash problem.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention, the accompanying drawing used required in embodiment will be done simply below
Introduce, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of switch that solves that Fig. 1 provides for the present invention crashes the structure chart of system of problem in hot plug process；
Fig. 2 is a kind of pressure transducer and the signal processing chip attachment structure figure of the embodiment of the present invention；
Fig. 3 is another kind of pressure transducer and the signal processing chip attachment structure figure of the embodiment of the present invention；
A kind of switch that solves that Fig. 4 provides for the present invention crashes the flow chart of method of problem in hot plug process.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiment wholely.Based on this
Embodiment in invention, those of ordinary skill in the art are not under making creative work premise, and obtained is every other
Embodiment, broadly falls into scope.
The core of the present invention is to provide a kind of switch that solves and crashes in hot plug process the system and method for problem.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings and detailed description of the invention
The present invention is described in further detail.
A kind of switch that solves that Fig. 1 provides for the present invention crashes the structure chart of system of problem in hot plug process.
The system of problem as it is shown in figure 1, solution switch crashes in hot plug process, including:
Signal induction device 10, for sensing the signal of extracting of connecting line and switch, and will extract signal and be converted to electricity
Signal.
Signal processing chip 11, for when receiving the signal of telecommunication, it is judged that whether the signal of telecommunication characterizes connecting line and switch
Disconnect, if it is, export interrupt signal to switch.
In being embodied as, the effect of signal induction device 10 be sensing connecting line and switch extract signal, such as
Signal induction device can be pressure transducer or photoelectric sensor, if it is exactly connecting line that pressure transducer then extracts signal
With the pressure signal of exchange interface, if photoelectric sensor, then extracting signal is exactly between connecting line and exchange interface
Optical signal.If extracting signal, corresponding signal induction device 10 will be converted to the signal of telecommunication by extracting signal.Signal
Process chip 11 when receiving the signal of telecommunication, it is judged that whether the signal of telecommunication characterizes connecting line disconnects with switch, if it is,
Interrupt signal is exported to switch.Switch, after receiving interrupt signal, by stopping and the data transmission of main frame, drags down simultaneously
The signal in place of QSFP+ port, can carry out normal hot plug process.
Switch crashes in the hot plug process system of problem that what the present embodiment provided solve, including: induction of signal fills
Put, for sensing the signal of extracting of connecting line and switch, and signal will be extracted be converted to the signal of telecommunication；Signal processing chip, uses
In when receiving the signal of telecommunication, it is judged that whether the signal of telecommunication characterizes connecting line disconnects with switch, if it is, to switch
Output interrupt signal.As can be seen here, native system use hardware mode, when detect extract signal time, to switch export in
Break signal, thus the data exchange of switch and main frame can be interrupted before extracting in advance, and then play and prevent switch from going out
The problem now crashed.
It should be noted that, signal processing chip 11 needs to be connected with switch, so that interrupt signal is sent to switch,
Above-described embodiment can use therebetween any connected mode, if wired connection, then need corresponding transmission line,
If wireless connections, then needing corresponding transmission of wireless signals equipment, the present invention repeats no more.
As being preferably carried out mode, on the basis of above-described embodiment, signal induction device 10 is pressure transducer, pulls out
Go out the pressure signal that signal is connecting line and switch.
It is understood that connecting line is connected with exchange interface by QSFP+ port, then extract what signal referred in fact
QSFP+ port and the direct pressure of exchange interface.If QSFP+ port and exchange interface are in normal connection status, then
The pressure of QSFP+ port is relatively big, if QSFP+ port is pulled out, then the pressure of QSFP+ port is less.Due to pressure transducer
Corresponding pressure signal can be converted to the signal of telecommunication, therefore, by the size of the signal of telecommunication it may determine that go out QSFP+ port quilt
Extract.
Fig. 2 is a kind of pressure transducer and the signal processing chip attachment structure figure of the embodiment of the present invention.As preferably
Embodiment, on the basis of above-described embodiment, pressure transducer and signal processing chip 11 are integrated setting, pressure transducer
With the QSFP+ port that signal processing chip 11 is arranged at connecting line.
In being embodied as, pressure transducer and signal processing chip 11 all can be integrated in QSFP+ port, so
The signal of telecommunication of the output of pressure transducer can quickly be transferred to signal processing chip 11, but signal processing chip 11 and exchange
The transmission speed of machine comparatively speaking will be slowly.
Fig. 3 is another kind of pressure transducer and the signal processing chip attachment structure figure of the embodiment of the present invention.As preferably
Ground embodiment, on the basis of above-described embodiment, pressure transducer is arranged for split with signal processing chip 11, pressure sensing
Device is arranged on the QSFP+ port of connecting line, and signal processing chip 11 is arranged in a switch.
In being embodied as, can be arranged with signal processing chip 11 split by pressure transducer, pressure transducer is arranged
In QSFP+ port, signal processing chip 11 is arranged in a switch.With this, the transmission of signal processing chip 11 and switch
Speed, but the transmission speed of pressure transducer and signal processing chip 11 comparatively speaking will be slowly.
As being preferably carried out mode, on the basis of above-described embodiment, signal processing chip 11 includes signal processing list
Unit and signal output unit；
Signal processing unit, is used for receiving the signal of telecommunication, and judges that whether the signal of telecommunication is less than predetermined value；If it is, trigger
Signal output unit；
Signal output unit, for exporting interrupt signal under the triggering of signal processing unit.
Such as, when signal induction device 10 is pressure transducer, then pressure transducer output is analogue signal, pressure
The biggest, then the value of the analogue signal of pressure transducer output is the biggest, in being embodied as, can set a predetermined value.
If connecting line is pulled out, then the pressure at connecting line and exchange interface diminishes, and causes pressure transducer to export
Analogue signal just diminish, if less than predetermined value, then signal processing chip 11 just exports interrupt signal.
As being preferably carried out mode, on the basis of above-described embodiment, also include suggestion device, with signal processing chip
Connect, for pointing out when signal processing chip 11 exports interrupt signal.
Due in actual use, it is possible to cause connecting line and exchange interface to occur loosening, cause at signal
Reason chip 11 output interrupt signal by mistake.Then staff can not be reminded in time to find in time without suggestion device.Can manage
Solving, suggestion device can be with sound prompt device, it is also possible to for photoelectricity suggestion device, as being preferably carried out mode, prompting
Device is display lamp.It is to be understood that suggestion device can be arranged on switches, it is also possible to be arranged on the QSFP of connecting line
+ port.
A kind of switch that solves that Fig. 4 provides for the present invention crashes the flow chart of method of problem in hot plug process.
As shown in Figure 4, solve crash in the hot plug process method of problem of switch to include:
S10: signal induction device sensing connecting line and switch extract signal, and signal will be extracted be converted to telecommunications
Number；
S11: signal processing chip is when receiving the signal of telecommunication, it is judged that whether the signal of telecommunication characterizes connecting line disconnects with switch
Connect, if it is, export interrupt signal to switch.
Owing to the embodiment of method part is the most corresponding with the embodiment of device part, because the embodiment of the method part please
See the description of the embodiment of device part, wouldn't repeat here.
Switch crashes in the hot plug process method of problem that what the present embodiment provided solve, including: induction of signal fills
Put the signal of extracting of sensing connecting line and switch, and signal will be extracted be converted to the signal of telecommunication；Signal processing chip is receiving
During the signal of telecommunication, it is judged that whether the signal of telecommunication characterizes connecting line disconnects with switch, if it is, interrupt letter to switch output
Number.As can be seen here, this method use hardware mode, when detect extract signal time, to switch export interrupt signal, thus
Can interrupt the data exchange of switch and main frame before extracting in advance, so play prevent switch from occurring crash asks
Topic.
The system and method for the problem that crashes solution switch provided by the present invention in hot plug process above is carried out
It is discussed in detail.In description, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and it
The difference of his embodiment, between each embodiment, identical similar portion sees mutually.For filling disclosed in embodiment
For putting, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, relevant part sees method part
Illustrate.It should be pointed out that, for those skilled in the art, in the premise without departing from the principle of the invention
Under, it is also possible to the present invention is carried out some improvement and modification, and these improve and modify the protection also falling into the claims in the present invention
In the range of.
Professional further appreciates that, in conjunction with the unit of each example that the embodiments described herein describes
And algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and
The interchangeability of software, the most generally describes composition and the step of each example according to function.These
Function performs with hardware or software mode actually, depends on application-specific and the design constraint of technical scheme.Specialty
Technical staff specifically should can be used for using different methods to realize described function to each, but this realization should not
Think beyond the scope of this invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can direct hardware, processor be held
The software module of row, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Claims (8)
1. one kind solves switch and crashes in hot plug process the system of problem, it is characterised in that including:
Signal induction device, extracts signal for sense connecting line and switch, and described signal of extracting is converted to telecommunications
Number；
Signal processing chip, for when receiving the described signal of telecommunication, it is judged that the described signal of telecommunication whether characterize described connecting line with
Described switch disconnects, if it is, export interrupt signal to described switch.
Solution switch the most according to claim 1 crashes the system of problem in hot plug process, it is characterised in that institute
Stating signal induction device is pressure transducer, described in extract the pressure signal that signal is described connecting line and described switch.
Solution switch the most according to claim 2 crashes the device of problem in hot plug process, it is characterised in that institute
State pressure transducer and described signal processing chip is integrated setting, described pressure transducer and described signal processing chip and is all provided with
Put the QSFP+ port at described connecting line.
Solution switch the most according to claim 2 crashes the system of problem in hot plug process, it is characterised in that institute
Stating pressure transducer with described signal processing chip is that split is arranged, and described pressure transducer is arranged on the QSFP of described connecting line
+ port, described signal processing chip is arranged in described switch.
5. the system of the problem that crashes in hot plug process according to the solution switch described in claim 1-4 any one, its
Being characterised by, described signal processing chip includes signal processing unit and signal output unit；
Described signal processing unit, is used for receiving the described signal of telecommunication, and judges that whether the described signal of telecommunication is less than predetermined value；If
It is then to trigger described signal output unit；
Described signal output unit, for exporting described interrupt signal under the triggering of described signal processing unit.
Solution switch the most according to claim 5 crashes the system of problem in hot plug process, it is characterised in that also
Including suggestion device, it is connected with described signal processing chip, for when described signal processing chip exports described interrupt signal
Prompting.
Solution switch the most according to claim 6 crashes the system of problem in hot plug process, it is characterised in that institute
Stating suggestion device is display lamp.
8. one kind solves switch and crashes in hot plug process the method for problem, it is characterised in that including:
Signal induction device sensing connecting line extracts signal with switch, and described signal of extracting is converted to the signal of telecommunication；
Signal processing chip is when receiving the described signal of telecommunication, it is judged that whether the described signal of telecommunication characterizes described connecting line and described friendship
Change planes and disconnect, if it is, export interrupt signal to described switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786687.5A CN106330562A (en) | 2016-08-30 | 2016-08-30 | System and method for solving crash problem of switch in hot plug process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786687.5A CN106330562A (en) | 2016-08-30 | 2016-08-30 | System and method for solving crash problem of switch in hot plug process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106330562A true CN106330562A (en) | 2017-01-11 |
Family
ID=57789385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610786687.5A Pending CN106330562A (en) | 2016-08-30 | 2016-08-30 | System and method for solving crash problem of switch in hot plug process |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1983221A (en) * | 2006-05-31 | 2007-06-20 | 华为技术有限公司 | Thermal-plug controller and controlling method |
| CN101826068A (en) * | 2009-03-03 | 2010-09-08 | 英业达股份有限公司 | Method for hot-plugging PCI-E device and application thereof |
| CN104731741A (en) * | 2013-12-23 | 2015-06-24 | 研祥智能科技股份有限公司 | Hot plugging implementing method and system |
| CN105701051A (en) * | 2016-01-15 | 2016-06-22 | 华为技术有限公司 | Hot plug method, host controller, host and PCIe bridge equipment |
-
2016
- 2016-08-30 CN CN201610786687.5A patent/CN106330562A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1983221A (en) * | 2006-05-31 | 2007-06-20 | 华为技术有限公司 | Thermal-plug controller and controlling method |
| CN101826068A (en) * | 2009-03-03 | 2010-09-08 | 英业达股份有限公司 | Method for hot-plugging PCI-E device and application thereof |
| CN104731741A (en) * | 2013-12-23 | 2015-06-24 | 研祥智能科技股份有限公司 | Hot plugging implementing method and system |
| CN105701051A (en) * | 2016-01-15 | 2016-06-22 | 华为技术有限公司 | Hot plug method, host controller, host and PCIe bridge equipment |
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Application publication date: 20170111 |
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| RJ01 | Rejection of invention patent application after publication |