CN109697149A - Server and external function element-interconn ection state detecting method, system and server - Google Patents
Server and external function element-interconn ection state detecting method, system and server Download PDFInfo
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- CN109697149A CN109697149A CN201811393406.5A CN201811393406A CN109697149A CN 109697149 A CN109697149 A CN 109697149A CN 201811393406 A CN201811393406 A CN 201811393406A CN 109697149 A CN109697149 A CN 109697149A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3027—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3089—Monitoring arrangements determined by the means or processing involved in sensing the monitored data, e.g. interfaces, connectors, sensors, probes, agents
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Abstract
The present invention provides a kind of server and external function element-interconn ection state detecting method, system and server, and the server and external function element-interconn ection state detecting method include: the slotting steady status signal between reading service device and external function unit；It is described insert steady status signal be preset state when, judge whether the ID of external function unit ID corresponding with server end matches, and in the ID of external function unit ID matching corresponding with server end, determine that grafting is correct between the server and external function unit, when the ID of external function unit ID corresponding with server end is mismatched, grafting mistake between the server and external function unit is determined.The present invention can detect the connection cables between server and external function unit whether inserting and whether inserting is correct, and warning note is carried out in the non-inserting of connection cables and inserting mistake, help user quickly to position the external function unit of non-inserting and inserting mistake.
Description
Technical field
The present invention relates to server technology fields, more particularly to storage server technical field, specially a kind of service
Device and external function element-interconn ection state detecting method, system and server.
Background technique
Server can be configured to carry out multiple functions, as it can be used as file server, printing server, using number
According to library server, Web server, it might even be possible to be to integrate the above multiple functions.In this way, it must just have quick processing
Device chip, more RAM and enough internal disk spaces are adjusted to cope with the application that terminal user is likely to occur at any time
With demand.Storage server is usually independent unit.They can be designed to 4U rack sometimes.Alternatively, they
Can be made of two chests --- a storage unit and one are located at neighbouring server.Latter two right chest can be simultaneously
It is mounted in cabinet capablely.As 3120 storage unit of Sun StorEdge and SunFire X4100 server, so that it may merge
For a storage server and it is placed in a cabinet.
Connection between server and external storage/arithmetic element is often completed by connector with cable.Due to outside
Unit is all often same model configuration, for system assembles guardian and user, is difficult to judge from operating system end
The whether correct inserting of cable (i.e. the end Server is matched with the end Unit ID).If cable inserting mistake cannot match, to subsequent
Maintenance, equipment replacement, system operate normally, and cause certain trouble.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of servers and external function list
Member interconnection state detecting method, system and server can not obtain server and external function list for solving in the prior art
Cable inserting between member whether Cuo Wu problem.
In order to achieve the above objects and other related objects, the present invention provides a kind of server and external function element-interconn ection shape
State method for detecting, the server and external function element-interconn ection state detecting method include: reading service device and external function
Slotting steady status signal between unit；It is described to insert steady status signal be preset state when, judge the ID of external function unit with
Whether the corresponding ID of server end matches, and in the ID of external function unit ID matching corresponding with server end, really
Grafting is correct between the fixed server and external function unit, corresponding with server end in the ID of the external function unit
When ID is mismatched, grafting mistake between the server and external function unit is determined.
In one embodiment of the invention, the server and external function element-interconn ection state detecting method further include:
It is described to insert steady status signal be non-default state when, determine the communications cable of the server and the external function unit not
It inserts steady.
In one embodiment of the invention, the server and external function element-interconn ection state detecting method further include:
To insert steady status signal be non-pre- when the ID of external function unit ID corresponding with server end is mismatched, or described
If when state, the server generates an alarm alert signal and the alarm alert signal is fed back to the corresponding outside
Functional unit, so that the external function unit carries out warning note according to the alarm alert signal.
In one embodiment of the invention, the server is by being connected to the server and the external function unit
Between I2C bus obtained from the external function unit and described insert steady status signal.
The embodiment of the present invention also provides a kind of server and external function element-interconn ection state detecting system, the service
Device and external function element-interconn ection state detecting system include: signal reading module, for reading service device and external function list
Slotting steady status signal between member；Insert steady signal judgment module, for it is described insert steady status signal be preset state be also non-pre-
If state；ID judgment module, for it is described insert steady status signal be preset state when, judge the ID and clothes of external function unit
Whether the corresponding ID in business device end matches；State determining module is interconnected, for the ID and server end in the external function unit
When corresponding ID is matched, determine that grafting is correct between the server and external function unit, in the external function unit
When ID ID corresponding with server end is mismatched, grafting mistake between the server and external function unit is determined.
In one embodiment of the invention, inserts steady signal judgment module described and judge described to insert steady status signal to be non-pre-
If when state, the interconnection state determining module determines that the server and the communications cable of the external function unit are not inserted
Surely.
In one embodiment of the invention, the server and external function element-interconn ection state detecting system further include:
Alarm alert signal generates feedback module；Described in the alarm alert signal generation feedback module judges in the ID judgment module
When the ID of external function unit ID corresponding with server end is mismatched, or insert described in steady signal judgment module judgement described
Insert steady status signal be non-default state when, generate an alarm alert signal simultaneously the alarm alert signal is fed back to corresponding
The external function unit, so that the external function unit carries out warning note according to the alarm alert signal.
In one embodiment of the invention, the signal reading module is by being connected to the server and the circumferential work
I2C bus between energy unit inserts steady status signal from external function unit acquisition is described.
The embodiment of the present invention also provides a kind of server, including processor and memory, and the memory is stored with journey
Sequence instruction, which is characterized in that the processor operation program instruction realizes that server and external function unit as described above are mutual
Join state detecting method.
The embodiment of the present invention also provides a kind of server system, including server as described above and with the server
Connected multiple external function units；Wherein: it is total to be connected with principal communication between the server and each external function unit
Line and I2C bus；The external function unit inserts steady status signal according to whether the principal communication bus inserts steady generate, and passes through
I2C bus inserts steady status signal transmission to the server for described.
As described above, server of the invention and external function element-interconn ection state detecting method, system and service utensil
Have it is following the utility model has the advantages that
The present invention can detect the connection cables between server and external function unit whether inserting and whether inserting just
Really, and in the non-inserting of connection cables and inserting mistake warning note is carried out, user is helped quickly to position non-inserting and inserting
The external function unit of mistake.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is shown as the flow diagram of server and external function element-interconn ection state detecting method of the invention.
A kind of preferred flow that Fig. 2 is shown as server and external function element-interconn ection state detecting method of the invention is shown
It is intended to.
Fig. 3 is shown as the functional block diagram of server and external function element-interconn ection state detecting system of the invention.
Fig. 4 is shown as the preferred functional block diagram of server and external function element-interconn ection state detecting system of the invention.
Fig. 5 is shown as the functional block diagram of server system of the invention.
Component label instructions
1 server system
10 servers
100 servers and external function element-interconn ection state detecting system
110 signal reading modules
120 insert steady signal judgment module
130 ID judgment modules
140 interconnection state determining modules
150 alarm alert signals generate feedback module
20 external function units
210 signal processing modules
220 warning note modules
S110~S170 step
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
Fig. 1 is please referred to Fig. 5.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
For user, since the Unit (external function unit) seen by software is identical sets
It is standby, so can not easily know whether the assemble sequence of Unit is correct, generally require to go to check cable one by one in computer room.Pass through
The server and external function element-interconn ection state detecting method, system of the present embodiment can be controlled by total BMC of server etc.
Unit is automatically performed the inspection of cable, and quick positioning failure type and faulty equipment position in the event of a failure.
The purpose of the present invention is to provide a kind of servers and external function element-interconn ection state detecting method, system and clothes
It is engaged in device, for solving not obtaining in the prior art, whether the cable inserting between server and external function unit is wrong asks
Topic.Server of the invention described in detail below and external function element-interconn ection state detecting method, system and server
Principle and embodiment makes those skilled in the art not need creative work and is appreciated that server and circumferential work of the invention
It can element-interconn ection state detecting method, system and server.
Specifically, as shown in Figure 1, the embodiment provides a kind of servers and external function element-interconn ection state
Method for detecting is applied in storage medium, and the server and external function element-interconn ection state detecting method include following step
It is rapid:
Specifically, as shown in Figure 1, the embodiment provides a kind of servers and external function element-interconn ection state
Method for detecting, the server and external function element-interconn ection state detecting method the following steps are included:
Step S110, the slotting steady status signal between reading service device and external function unit；
Step S120, judge it is described insert whether steady status signal is preset state, if it is not, then then execute step S130,
If so, then executing step S140.
Step S130, it is described insert steady status signal be non-default state when, determine the server and the circumferential work
The communications cable of energy unit is not inserted steady.
Step S140, it is described insert steady status signal be preset state when, judge the ID and server of external function unit
Hold whether corresponding ID matches, if so, step step S150 is then executed, if it is not, then then executing step step S160.
Step S150 determines the service in the ID of external function unit ID matching corresponding with server end
The correct of grafting between device and external function unit
Step S160 determines the clothes when the ID of external function unit ID corresponding with server end is mismatched
Grafting mistake between business device and external function unit.
The above-mentioned steps S110 of the present embodiment to step S160 is described in detail below.
Step S110, the slotting steady status signal between reading service device and external function unit.
Specifically, in this present embodiment, the server is by being connected to the server and the external function unit
Between I2C bus inserts steady status signal from external function unit acquisition is described.
In this present embodiment, the server is by principal communication bus (cable), in addition to conveying and external function unit it
Between necessary bus (such as PCIE, SAS ...), increase I2C bus and Cable insert steady signal (inserting steady status signal).External function
Unit, which need to provide external function unit ID (Unit ID) and identify to server, to be judged.
Wherein, in this present embodiment, the external function unit is but is not limited to external memory unit, external calculating list
Member.
Step S120, judge it is described insert whether steady status signal is preset state, if it is not, then then execute step S130,
If so, then executing step S140.
Wherein, the preset state for inserting steady status signal is, for example, low level 0, and non-default state is high level 1；Yu Ke
It is, for example, high level 1 with the preset state for inserting steady status signal, non-default state is low level 0.
For example, inserting steady status signal becomes low level 0, principal communication bus after principal communication bus (cable) is inserted surely
(cable) when not inserting steady, inserting steady status signal becomes high level 1.
Step S130, it is described insert steady status signal be non-default state when, determine the server and the circumferential work
The communications cable (i.e. principal communication bus (cable)) of energy unit is not inserted steady.
Step S140, it is described insert steady status signal be preset state when, judge the ID and server of external function unit
Hold whether corresponding ID matches, if so, step step S150 is then executed, if it is not, then then executing step step S160.
Step S150 determines the service in the ID of external function unit ID matching corresponding with server end
Grafting is correct between device and external function unit.
Step S160 determines the clothes when the ID of external function unit ID corresponding with server end is mismatched
Grafting mistake between business device and external function unit.
After principal communication bus (cable) is inserted surely, BMC (or PCH, CPLD ...) passes through I in server2C bus, which is read, inserts
Steady status signal is low level 0, and reads the ID of external function unit, judges the ID and desired value server of external function unit
It holds whether corresponding ID matches correctly, if matching is correct, illustrates that principal communication bus (cable) assembly is errorless.
In this present embodiment, as shown in Fig. 2, the server is also wrapped with external function element-interconn ection state detecting method
It includes: step S170: inserting steady shape when the ID of external function unit ID corresponding with server end is mismatched, or described
When state signal is non-default state, the server generates an alarm alert signal and feeds back to the alarm alert signal pair
The external function unit answered, so that the external function unit carries out warning note according to the alarm alert signal.
I.e. if the ID of external function unit ID corresponding with desired value server end matches the incorrect (BMC of server
It is incorrect to read Unit ID) or principal communication bus (cable) do not insert that steady (the BMC reading of server inserts steady status signal and is
High level), then the BMC of server gives a warning to user, for example, the server generates an alarm alert signal and by institute
It states alarm alert signal and feeds back to the corresponding external function unit, LED light lights on the external function unit, helps to make
User quickly positions.
So the present embodiment can detect the connection cables between server and external function unit whether inserting and whether
Inserting is correct, and warning note is carried out in the non-inserting of connection cables and inserting mistake, and user is helped quickly to position non-inserting
With the external function unit of inserting mistake.
The embodiment of the present invention also provides a kind of server, including processor and memory, and the memory is stored with journey
Sequence instruction, which is characterized in that the processor operation program instruction realizes that server and external function unit as described above are mutual
Join state detecting method.It is above-mentioned that the server and external function element-interconn ection state detecting method have been carried out in detail
Illustrate, details are not described herein.
As shown in figure 3, the embodiment of the present invention also provides a kind of server and external function element-interconn ection state detecting system
System 100, the server and external function element-interconn ection state detecting system 100 include: signal reading module 110, insert steady letter
Number judgment module 120, ID judgment module 130 and interconnection state determining module 140.
In this present embodiment, the signal reading module 110 is for inserting between reading service device and external function unit
Steady status signal.
Specifically, in this present embodiment, the signal reading module 110 is by being connected to the server and the outside
I between functional unit2C bus inserts steady status signal from external function unit acquisition is described.
In this present embodiment, the server is by principal communication bus (cable), in addition to conveying and external function unit it
Between necessary bus (such as PCIE, SAS ...), increase I2C bus and Cable insert steady signal (inserting steady status signal).External function
Unit, which need to provide external function unit ID (Unit ID) and identify to server, to be judged.
Wherein, in this present embodiment, the external function unit is but is not limited to external memory unit, external calculating list
Member.
In the present embodiment, it is described insert steady signal judgment module 120 for it is described insert steady status signal be preset state still
Non-default state.
Wherein, the preset state for inserting steady status signal is, for example, low level 0, and non-default state is high level 1；Yu Ke
It is, for example, high level 1 with the preset state for inserting steady status signal, non-default state is low level 0.
For example, inserting steady status signal becomes low level 0, principal communication bus after principal communication bus (cable) is inserted surely
(cable) when not inserting steady, inserting steady status signal becomes high level 1.
In this present embodiment, it inserts steady signal judgment module 120 described and judges described to insert steady status signal as non-default shape
When state, the interconnection state determining module 140 determines that the communications cable of the server and the external function unit is (i.e. main logical
Believe bus (cable)) it does not insert surely.
In the present embodiment, the ID judgment module 130 be used for it is described to insert steady status signal be preset state when, judgement is outer
Whether the ID of portion's functional unit ID corresponding with server end matches.
In the present embodiment, the interconnection state determining module 140 is used for ID and server in the external function unit
When corresponding ID being held to match, determine that grafting is correct between the server and external function unit, in the external function unit
ID ID corresponding with server end when mismatching, determine grafting mistake between the server and external function unit.
After principal communication bus (cable) is inserted surely, BMC (or PCH, CPLD ...) passes through I in server2C bus, which is read, inserts
Steady status signal is low level 0, and reads the ID of external function unit, judges the ID and desired value server of external function unit
It holds whether corresponding ID matches correctly, if matching is correct, illustrates that principal communication bus (cable) assembly is errorless.
In this present embodiment, as shown in figure 4, the server and external function element-interconn ection state detecting system 100 are gone back
It include: that alarm alert signal generates feedback module 150.
Specifically, the alarm alert signal generation feedback module 150 judges the outside in the ID judgment module 130
When the ID of functional unit ID corresponding with server end is mismatched, or it is described insert steady signal judgment module 120 judge it is described
Insert steady status signal be non-default state when, generate an alarm alert signal simultaneously the alarm alert signal is fed back to corresponding
The external function unit, so that the external function unit carries out warning note according to the alarm alert signal.
I.e. if the ID of external function unit ID corresponding with desired value server end matches the incorrect (BMC of server
It is incorrect to read Unit ID) or principal communication bus (cable) do not insert that steady (the BMC reading of server inserts steady status signal and is
High level), then the BMC of server gives a warning to user, for example, the server generates an alarm alert signal and by institute
It states alarm alert signal and feeds back to the corresponding external function unit, LED light lights on the external function unit, helps to make
User quickly positions.
So the present embodiment can detect the connection cables between server and external function unit whether inserting and whether
Inserting is correct, and warning note is carried out in the non-inserting of connection cables and inserting mistake, and user is helped quickly to position non-inserting
With the external function unit of inserting mistake.
As shown in figure 5, the embodiment of the present invention also provides a kind of server system 1, including server as described above 10
The multiple external function units 20 being connected with the server 10；Wherein: the server 10 and each external function list
Principal communication bus and I are connected between member 202C bus；Whether the external function unit 20 is inserted according to the principal communication bus
Steady generate inserts steady status signal, and passes through I2C bus inserts steady status signal transmission to the server 10 for described.
Wherein, the external function unit 20 includes signal processing module 210 and warning note module 220.The signal
Processing module 210 can pass through principal communication bus (cable) and I with server 10 respectively2C bus is communicated.
If the ID of external function unit 20 ID corresponding with 10 end of desired value server matching it is incorrect (server 10
It is incorrect that BMC reads Unit ID) or principal communication bus (cable) do not insert that steady (steady state letter is inserted in the BMC reading of server 10
Number it is high level), then the server 10 generates an alarm alert signal and feeds back to the alarm alert signal corresponding
The warning note module 220, after the warning note module 220 receives the alarm alert signal of the generation of server 10, into
Row warning note.Wherein, the warning note module 220 carries out warning note, side by the LED light for example comprising a LED light
User is helped quickly to position the external function unit 20 of non-inserting and inserting mistake.
In conclusion the present invention can detect the connection cables between server and external function unit whether inserting and be
No inserting is correct, and warning note is carried out in the non-inserting of connection cables and inserting mistake, helps user quickly to position and does not insert
With the external function unit with inserting mistake.So the present invention effectively overcomes various shortcoming in the prior art and has height
Value of industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, includes that institute is complete without departing from the spirit and technical ideas disclosed in the present invention for usual skill in technical field such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of server and external function element-interconn ection state detecting method, which is characterized in that the server and circumferential work
Can element-interconn ection state detecting method include:
Slotting steady status signal between reading service device and external function unit；
It is described insert steady status signal be preset state when, whether judge the ID of external function unit ID corresponding with server end
Matching, and in the ID of external function unit ID matching corresponding with server end, determine the server and circumferential work
Grafting is correct between energy unit, when the ID of external function unit ID corresponding with server end is mismatched, described in determination
Grafting mistake between server and external function unit.
2. server according to claim 1 and external function element-interconn ection state detecting method, which is characterized in that described
Server and external function element-interconn ection state detecting method further include:
It is described insert steady status signal be non-default state when, determine the communication line of the server Yu the external function unit
Cable is not inserted steady.
3. server according to claim 1 and external function element-interconn ection state detecting method, which is characterized in that described
Server and external function element-interconn ection state detecting method further include:
It inserts steady status signal when the ID of external function unit ID corresponding with server end is mismatched, or described and is
When non-default state, the server generates an alarm alert signal and feeds back to the alarm alert signal corresponding described
External function unit, so that the external function unit carries out warning note according to the alarm alert signal.
4. server according to claim 1 and external function element-interconn ection state detecting method, which is characterized in that described
Server passes through the I that is connected between the server and the external function unit2C bus is obtained from the external function unit
It takes and described inserts steady status signal.
5. a kind of server and external function element-interconn ection state detecting system, which is characterized in that the server and circumferential work
Can element-interconn ection state detecting system include:
Signal reading module, for the slotting steady status signal between reading service device and external function unit；
Steady signal judgment module is inserted, inserts steady status signal for described as preset state or non-default state；
ID judgment module, for it is described insert steady status signal be preset state when, judge ID and the service of external function unit
Whether the corresponding ID in device end matches；
State determining module is interconnected, when being matched for the ID ID corresponding with server end in the external function unit, is determined
Grafting is correct between the server and external function unit, in the ID of external function unit ID corresponding with server end
When mismatch, grafting mistake between the server and external function unit is determined.
6. server according to claim 5 and external function element-interconn ection state detecting system, which is characterized in that in institute
It states and inserts steady signal judgment module and judge described when inserting steady status signal as non-default state, the interconnection state determining module determines
The communications cable of the server and the external function unit is not inserted steady.
7. server according to claim 6 and external function element-interconn ection state detecting system, which is characterized in that described
Server and external function element-interconn ection state detecting system further include: alarm alert signal generates feedback module；
The alarm alert signal generates the ID and clothes that feedback module judges the external function unit in the ID judgment module
The corresponding ID in device end be engaged in when mismatching, or inserts steady signal judgment module described and judges described to insert steady status signal to be non-default
When state, generates an alarm alert signal and the alarm alert signal is fed back into the corresponding external function unit, with
Warning note is carried out according to the alarm alert signal for the external function unit.
8. server according to claim 6 and external function element-interconn ection state detecting system, which is characterized in that described
Signal reading module passes through the I that is connected between the server and the external function unit2C bus is from the external function
Unit acquisition is described to insert steady status signal.
9. a kind of server, including processor and memory, the memory are stored with program instruction, which is characterized in that described
Processor runs program instruction and realizes such as claim 1 to the described in any item servers of claim 4 and external function unit
Interconnect state detecting method.
10. a kind of server system, which is characterized in that including server as claimed in claim 9 and with the server phase
Multiple external function units even；Wherein:
Principal communication bus and I are connected between the server and each external function unit2C bus；
The external function unit inserts steady status signal according to whether the principal communication bus inserts steady generate, and passes through I2C bus will
It is described to insert steady status signal transmission to the server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393406.5A CN109697149A (en) | 2018-11-21 | 2018-11-21 | Server and external function element-interconn ection state detecting method, system and server |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393406.5A CN109697149A (en) | 2018-11-21 | 2018-11-21 | Server and external function element-interconn ection state detecting method, system and server |
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| CN109697149A true CN109697149A (en) | 2019-04-30 |
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| CN201811393406.5A Pending CN109697149A (en) | 2018-11-21 | 2018-11-21 | Server and external function element-interconn ection state detecting method, system and server |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101202079A (en) * | 2006-12-15 | 2008-06-18 | 英业达股份有限公司 | Hard disk status indicating system |
| CN101661417A (en) * | 2009-09-17 | 2010-03-03 | 中兴通讯股份有限公司 | Interface system ensuring connection reliability between sub-card and backing plate, backing plate and method |
| CN108140090A (en) * | 2015-10-02 | 2018-06-08 | 通力股份公司 | Access escalator control device |
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Application publication date: 20190430 |
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