CN109753396A - A kind of cable self checking method, system and the server of storage system - Google Patents
A kind of cable self checking method, system and the server of storage system Download PDFInfo
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- CN109753396A CN109753396A CN201910041110.5A CN201910041110A CN109753396A CN 109753396 A CN109753396 A CN 109753396A CN 201910041110 A CN201910041110 A CN 201910041110A CN 109753396 A CN109753396 A CN 109753396A
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Abstract
The invention discloses a kind of cable self checking methods of storage system, including send initial command to currently stored control module, are in original state with the present hard discs indicator light connecting by CPLD control with currently stored control module；Sense command is sent to currently stored control module, detection operation is executed to control present hard discs indicator light by CPLD, to determine whether cable corresponding with present hard discs indicator light connects correctly according to the state of present hard discs indicator light.As it can be seen that the application in view of hard disk indication lamp and cable to be detected be it is one-to-one, therefore, to detect some or certain or whole cables, need to only detect that can to determine whether cable connects wrong to the corresponding hard disk indication lamp of these cables.The process greatly reduces artificial participation, time saving and energy saving, improves detection efficiency, and error rate is low.The present invention also provides the cable self-checking systems and server of a kind of storage system, have beneficial effect same as mentioned above.
Description
Technical field
The present invention relates to self-checking fields, more particularly to cable self checking method, system and the clothes of a kind of storage system
Business device.
Background technique
In order to complete a large amount of data storage, data processing function, many hard disks are commonly equipped in server, hard disk connects
It connects on hard disk backboard.Fig. 1 is please referred to, Fig. 1 is a kind of hardware connection structure of the storage system of server in the prior art
Schematic diagram.On mainboard, CPU passes through storage control module (such as SAS card (Serial Attached SCSI, serial SCSI skill
Art)) it is connected to hard disk backboard.And what the connection of storage control module to hard disk backboard was completed generally by a large amount of cables.Firmly
Disk is more, then the quantity of the cable needed is consequently increased.Since the type of these cables is identical, appearance is consistent, at most has
Difference in length.Therefore, wrong plug is easy to when producing line installation machine connection cables.Cable wrong plug will lead to storage system connection
Topology is different from making a reservation for, and is unfavorable for hard disk installation, positioning and the maintenance in later period.
Cable wrong plug in order to prevent, existing scheme carry out artificial after mainly relying on producing line standardized operation, be completed
It checks.But since there are many cable, server lineation region is more chaotic, and it is very inconvenient and time-consuming and laborious to manually check, and checks
Low efficiency, error rate are high.
Summary of the invention
The object of the present invention is to provide cable self checking method, system and the servers of a kind of storage system, greatly reduce
Artificial participation, it is time saving and energy saving, detection efficiency is improved, and error rate is low.
In order to solve the above technical problems, the present invention provides a kind of cable self checking methods of storage system, comprising:
To currently stored control module send initial command, so as to the currently stored control module by CPLD control and
The present hard discs indicator light of the currently stored control module connection is in original state；
Sense command is sent to the currently stored control module, so that the currently stored control module is controlled by CPLD
It makes the present hard discs indicator light and executes detection operation, to be determined to work as with described according to the state of the present hard discs indicator light
Whether the corresponding cable of preceding hard disk indication lamp connects correctly.
Preferably, the original state is OFF state.
Preferably, described to send sense command to the currently stored control module, so as to the currently stored control mould
Block controls the present hard discs indicator light by CPLD and executes detection operation, comprising:
The first sense command is sent to the currently stored control module, so that the currently stored control module passes through
CPLD controls the present hard discs indicator light and lights；
After a preset time lapses, the second sense command is sent to the currently stored control module, so as to described current
Storage control module controls the present hard discs indicator light by CPLD and extinguishes.
Preferably, it is controlled in the currently stored control module by CPLD after the present hard discs indicator light lights, to
The currently stored control module is sent before the second sense command, further includes:
Obtain the state of the present hard discs indicator light；
Judge whether the state of the present hard discs indicator light is identical as preset state, if it is, subsequent step is executed,
Otherwise, stop detection, and issue the corresponding cable of the present hard discs indicator light and connect wrong prompt information.
Preferably, it is controlled in the currently stored control module by CPLD after the present hard discs indicator light lights, to
The currently stored control module is sent before the second sense command, further includes:
Obtain the state of all hard disk indication lamps of all storage control modules；
Judge whether the hard disk indication lamp lighted is the current indicator light, if it is, subsequent step is executed, otherwise,
Stop detection, and issues the corresponding cable of the present hard discs indicator light and connect wrong prompt information.
Preferably, the state of all hard disk indication lamps of all storage control modules detected in judgement with it is default
After state is identical, further includes:
The cable for issuing the storage system of detection connects errorless prompt information.
In order to solve the above technical problems, the present invention also provides a kind of cable self-checking systems of storage system, comprising:
First transmission unit, for sending initial command to currently stored control module, so as to the currently stored control
Module is in original state by the present hard discs indicator light that CPLD control is connect with the currently stored control module；
Second transmission unit, for sending sense command to the currently stored control module, so as to described currently stored
Control module controls the present hard discs indicator light by CPLD and executes detection operation, according to the present hard discs indicator light
State determines whether cable corresponding with the present hard discs indicator light connects correctly.
In order to solve the above technical problems, the present invention also provides a kind of server, including storage system, the storage system
Including CPLD, multiple storage control modules, multiple hard disks and multiple hard disk indication lamps, further includes:
Processor realizes the cable self-checking system of storage system as described above when for executing the computer program
The step of method.
Preferably, further includes:
The communication bus being set between the CPU and the CPLD；
The processor is also used to control the present hard discs indicator light by CPLD in the currently stored control module
After lighting, before sending the second sense command to the currently stored control module, the shape of the present hard discs indicator light is obtained
State；Judge whether the state of the present hard discs indicator light is identical as preset state, if it is, subsequent step is executed, otherwise,
Stop detection, and issues the corresponding cable of the present hard discs indicator light and connect wrong prompt information.
Preferably, all hard disks instruction for all storage control modules that the processor is also used to be detected in judgement
After the state of lamp is identical as preset state, the cable for issuing the storage system of detection connects errorless prompt information.
The present invention provides a kind of cable self checking methods of storage system, including send initially to currently stored control module
Order is in original state with the present hard discs indicator light connecting by CPLD control with currently stored control module；To current
Storage control module sends sense command, detection operation is executed to control present hard discs indicator light by CPLD, according to current
The state of hard disk indication lamp determines whether cable corresponding with present hard discs indicator light connects correctly.
As it can be seen that cable self checking method provided by the present application, it is contemplated that hard disk indication lamp is to correspond with cable to be detected
, therefore, to detect some or certain or whole cables, the corresponding hard disk indication lamp of these cables need to only be examined
It is wrong that survey can determine whether cable connects.The process greatly reduces artificial participation, time saving and energy saving, improves detection effect
Rate, and error rate is low.
The present invention also provides the cable self-checking systems and server of a kind of storage system, have same as mentioned above
Beneficial effect.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of hardware connection structure schematic diagram of the storage system of server in the prior art；
Fig. 2 is a kind of process flow diagram flow chart of the cable self checking method of storage system provided by the invention；
Fig. 3 is a kind of hardware connection structure schematic diagram of the storage system of server provided by the invention.
Specific embodiment
Core of the invention is to provide cable self checking method, system and the server of a kind of storage system, greatly reduces
Artificial participation, it is time saving and energy saving, detection efficiency is improved, and error rate is low.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to figure 2., Fig. 2 is a kind of process flow diagram flow chart of the cable self checking method of storage system provided by the invention, should
Method includes:
S11: to currently stored control module send initial command, so as to currently stored control module by CPLD control and
The present hard discs indicator light of currently stored control module connection is in original state；
S12: sending sense command to currently stored control module, so that currently stored control module is worked as by CPLD control
Preceding hard disk indication lamp executes detection operation, corresponding with present hard discs indicator light to be determined according to the state of present hard discs indicator light
Cable whether connect correctly.
Firstly the need of explanation, the CPU on mainboard connects one or more storage control module, storage control module
For signal, SGPIO (Serial General Purpose Input Output, serial universal input/output) letter will to be stored
It number is sent on each connector of hard disk backboard by connector, cable.Each storage control module connection two is more
A cable (cable and hard disk and hard disk indication lamp correspond).On hard disk backboard, storage signal is connect to each hard disk,
SGPIO signal, which connects, connects the indicator light of each hard disk to CPLD, CPLD to carry out lighting operation.In server design, storage
The state of each hard disk indication lamp is arranged by SGPIO signal to SPLD for control control module, and CPLD believes according to the SGPIO transmitted
Number control hard disk indication lamp is lighted and is extinguished.
When to cable self-test, initial command is sent to currently stored control module first, storage control module is receiving
Can be sent after to initial command initial SG PIO signal to CPLD, CPLD can be controlled after receiving initial SG PIO signal with currently
The present hard discs indicator light (namely the corresponding hard disk indication lamp of current cable to be detected) of storage control module connection is in initial
State.Sense command, storage control are sent after present hard discs indicator light is in original state, then to currently stored control module
Module sends detection SGPIO signal to present hard discs indicator light again after receiving sense command, and CPLD is receiving detection
Present hard discs indicator light can be controlled after SGPIO signal and executes detection operation, can be sentenced according to the state of present hard discs indicator light
Whether fixed cable corresponding with present hard discs indicator light is correct.
It should be noted that in practical applications, can be detected according to the actual situation to cable, for example, can be with
To one or partly or completely one of storage control module or partly or completely hard disk indication lamp is examined
It surveys.When whole hard disk indication lamps to whole storage control modules detect, following scheme can be used:
Each storage control module is proceeded as follows according to the first preset order:
Initial command is sent to currently stored control module, so as to currently stored control module by CPLD control and currently
All hard disk indication lamps of storage control module connection are in original state；
It is proceeded as follows according to the hard disk indication lamp that the second preset order pair is connect with currently stored control module:
Sense command is sent to currently stored control module, so as to currently stored control module by CPLD control and currently
The present hard discs indicator light of storage control module connection executes detection operation.
Or use following scheme:
To all storage control modules send initial command, so as to each storage control module by CPLD control with it is each
All hard disk indication lamps of storage control module connection are in original state；
It is proceeded as follows according to the hard disk indication lamp that preset order pair is connect with currently stored control module:
Sense command is sent to currently stored control module, so as to currently stored control module by CPLD control and currently
The present hard discs indicator light of storage control module connection executes detection operation.
Here preset order, the first preset order and the second preset order can in the light of actual conditions determine, this Shen
It does not limit particularly herein please.As it can be seen that cable self checking method provided by the present application, it is contemplated that hard disk indication lamp and survey line to be checked
Cable be it is one-to-one, therefore, only need to be to the corresponding hard disk of these cables to detect some or certain or whole cables
Indicator light carries out detection, and can to determine whether cable connects wrong.The process greatly reduces artificial participation, time saving and energy saving,
Detection efficiency is improved, and error rate is low.
On the basis of the above embodiments:
As a kind of preferred embodiment, original state is OFF state.
As a kind of preferred embodiment, sense command is sent to currently stored control module, so as to currently stored control
Module controls present hard discs indicator light by CPLD and executes detection operation, comprising:
The first sense command is sent to currently stored control module, so that currently stored control module is worked as by CPLD control
Preceding hard disk indication lamp is lighted；
After a preset time lapses, the second sense command is sent to currently stored control module, so as to currently stored control
Module controls present hard discs indicator light by CPLD and extinguishes.
Specifically, original state here can be OFF state, it is of course also possible to be arranged to other states, such as
For illuminating state, behind control when detecting each hard disk indication lamp first go out again it is bright.
In the present embodiment, when being detected to present hard discs indicator light, it can first control present hard discs indicator light and light,
After preset time, then control the extinguishing of present hard discs indicator light.As successively being carried out to multiple hard disk indication lamps
Detection, then the effect come out should be that each hard disk indication lamp successively carries out light on and off.Specific length of the application for preset time
It is short do not limit particularly, determine according to the actual situation.
It is arranged as one example below with reference to Fig. 1 to illustrate:
1, operator operates server at the scene, connects checking mode into cable；
2, CPU sends to all storage control modules and orders, and extinguishes all hard disk indication lamps；
3, CPU sends to storage control module 1 and orders, and lights the indicator light of the corresponding hard disk of connector 1 above it, and 1 second
The order for closing indicator light is retransmited afterwards；
4, CPU sends to storage control module 1 and orders, and lights the indicator light of the corresponding hard disk of connector 2 above it, and 1 second
The order for closing indicator light is retransmited afterwards；
5, and so on, until all indicator lights are all lighted and extinguished；
6, whether the bright sequence of operator's site inspection indicator light and predetermined order are identical, that is, are determining cable connection just
Whether really.
As a kind of preferred embodiment, present hard discs indicator light is controlled by CPLD in currently stored control module and is lighted
Afterwards, before sending the second sense command to currently stored control module, further includes:
Obtain the state of present hard discs indicator light；
Judge whether the state of present hard discs indicator light is identical as preset state, if it is, subsequent step is executed, it is no
Then, stop detection, and issue the corresponding cable of present hard discs indicator light and connect wrong prompt information.
As a kind of preferred embodiment, present hard discs indicator light is controlled by CPLD in currently stored control module and is lighted
Afterwards, before sending the second sense command to currently stored control module, further includes:
Obtain the state of all hard disk indication lamps of all storage control modules；
Judge whether the hard disk indication lamp lighted is the current indicator light, if it is, subsequent step is executed, otherwise,
Stop detection, and issues the corresponding cable of present hard discs indicator light and connect wrong prompt information.
In order to further increase the degree of automation, in the present embodiment, after control present hard discs indicator light is lighted, CPLD
It reads the state of present hard discs indicator light and stores the state of present hard discs indicator light into bus register, CPU passes through total
Line reads the state of present hard discs indicator light, and judges whether the state of present hard discs indicator light is identical as preset state, if
Then to send next sense command to currently stored control module, controlled by CPLD so as to currently stored control module and
Next hard disk indication lamp of currently stored control module connection executes detection operation, otherwise, stops detection, and issues current hard
The corresponding cable of disk indicator light connects wrong prompt information.
Specifically, referring to figure 3., Fig. 3 is a kind of hardware connection structure of the storage system of server provided by the invention
Schematic diagram.
When CPLD is designed, after receiving the SPGIO signal that each connector is sent, it is hard to control not only to be decoded into corresponding value
Disk indicator light, but also by the storage of the state of present hard discs indicator light into I2C register, CPU can be read by I2C bus
To the LED status in its register.In practical applications, if all hard disks to all storage control modules indicate
Lamp is detected, then after detecting to present hard discs indicator light, not only obtains the state of present hard discs indicator light, may be used also
To obtain the state of other all hard disk indication lamps,
Below with reference to Fig. 2 column, (example is identical as example in above-described embodiment, and different is only that CPU also as one example
The state for reading hard disk indication lamp is judged) illustrate:
1, operator is live or operates server by remote mode, connects checking mode into cable；
2, CPU sends to all storage control modules and orders, and extinguishes all hard disk indication lamps；
3, CPU sends to storage control module 1 and orders, and lights the indicator light of the corresponding hard disk of connector 1 above it；
4, CPU reads hard disk indication lamp by I2C and (can be present hard discs indicator light, be also possible to all hard disks
Indicator light) state, and judged.When reading the state of all hard disk indication lamp, if connector 1 connected it is hard
Disk indicator light is bright, other hard disk indication lamps extinguish, then continues in next step.Otherwise, stop connection checking, the prompt that reports an error has cable
Connection error, and can also prompt in incorrect link to the connector of which hard disk backboard, connected with facilitating staff to correct
Line.When only reading the state of present hard discs indicator light, judge whether the state of present hard discs indicator light is identical as preset state,
If it is, execute subsequent step, otherwise, stop detection, and issue the corresponding cable of present hard discs indicator light connect it is wrong
Prompt information.
Such as when reading the state of all hard disk indication lamps, when the connector 1 of storage control module is connected to hard disk
When connector 3 (should be the connector 1 on hard disk backboard to be connected to) of backboard, that is, there is connection error.At this point, passing through company
The point modulating signal for connecing the transmission of device 1 can light the corresponding hard disk indication lamp of hard disk connector 3.CPU reads signal and learns the hard of bright light
Disk is incorrect, i.e., identification makes mistake, and CPU can also prompt 1 incorrect link of connector of storage control module to hard disk backboard
Connector 3 on, with facilitate staff correct line.
In another example when only reading present hard discs indicator light, when the connector 1 of storage control module is connected to hard disk backboard
Connector 3 when, that is, there is connection error.At this point, it is right to light hard disk connector 3 by the point modulating signal that connector 1 is sent
The hard disk indication lamp answered.CPU reads the state of the corresponding hard disk indication lamp of hard disk connector 1 according to preset order, but due to this
When the corresponding hard disk indication lamp of hard disk connector 3 it is bright, and the corresponding hard disk indication lamp of hard disk connector 1 goes out, and can determine to deposit at this time
The cable connection for storing up the connector 1 of control module is wrong, issues the corresponding cable of present hard discs indicator light and connects wrong prompt
Information.
5, CPU sends to storage control module 1 and orders, and extinguishes the indicator light of the corresponding hard disk of connector 1 above it；
6, to all hard disks, 3-5 step is repeated, until terminating.
As it can be seen that self-test scheme provided in this embodiment, may be implemented automatically to detect, does not need operator and grasp at the scene
Make or observe, improves the degree of automation.
As a kind of preferred embodiment, in all hard disk indication lamps for all storage control modules that judgement is detected
State it is identical as preset state after, further includes:
The cable for issuing the storage system of detection connects errorless prompt information.
In order to facilitate the operation of personnel's timely learning cable connection status, in all storage control modules that judgement is detected
All hard disk indication lamps state it is identical as preset state after, also issue the storage system of detection cable connect it is errorless
Prompt information.It further include step 7 namely in examples detailed above: if midway returns to the result for checking OK without reporting an error.
The present invention also provides a kind of cable self-checking system of storage system, which includes:
First transmission unit, for sending initial command to currently stored control module, so as to currently stored control module
Original state is in by the present hard discs indicator light that CPLD control is connect with currently stored control module；
Second transmission unit, for sending sense command to currently stored control module, so as to currently stored control module
By CPLD control present hard discs indicator light execute detection operation, with determined according to the state of present hard discs indicator light with currently
Whether the corresponding cable of hard disk indication lamp connects correctly.
Above-described embodiment is please referred to for the introduction of the cable self-checking system of storage system provided by the invention, the present invention exists
This is repeated no more.
The present invention also provides a kind of server, including storage system, storage system includes CPLD, multiple storages control mould
Block, multiple hard disks and multiple hard disk indication lamps, further includes:
Processor realizes the step of the cable self-checking system method such as above-mentioned storage system when for executing computer program
Suddenly.
As a kind of preferred embodiment, further includes:
The communication bus being set between CPU and CPLD；
Processor is also used to after currently stored control module is lighted by CPLD control present hard discs indicator light, Xiang Dangqian
Before storage control module sends the second sense command, the state of present hard discs indicator light is obtained；Judge present hard discs indicator light
State it is whether identical as preset state, if it is, executing subsequent step, otherwise, stop detection, and issue present hard discs and refer to
Show that the corresponding cable of lamp connects wrong prompt information.
As a kind of preferred embodiment, communication bus is I2C bus.
Certainly, communication bus here can also be other buses, and details are not described herein by the application.
As a kind of preferred embodiment, the institute for all storage control modules that processor is also used to be detected in judgement
Have the state of hard disk indication lamp it is identical as preset state after, the cable for issuing the storage system of detection connects errorless prompt letter
Breath.
Above-described embodiment is please referred to for the introduction of server provided by the invention, details are not described herein by the present invention.
It should be noted that in the present specification, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of cable self checking method of storage system characterized by comprising
To currently stored control module send initial command, so as to the currently stored control module by CPLD control with it is described
The present hard discs indicator light of currently stored control module connection is in original state；
Sense command is sent to the currently stored control module, so that the currently stored control module controls institute by CPLD
State present hard discs indicator light and execute detection operation, with determined according to the state of the present hard discs indicator light with it is described current hard
Whether the corresponding cable of disk indicator light connects correctly.
2. the cable self checking method of storage system as described in claim 1, which is characterized in that the original state is to extinguish shape
State.
3. the cable self checking method of storage system as claimed in claim 2, which is characterized in that described to the currently stored control
Molding block sends sense command, executes so that the currently stored control module controls the present hard discs indicator light by CPLD
Detection operation, comprising:
The first sense command is sent to the currently stored control module, so that the currently stored control module is controlled by CPLD
The present hard discs indicator light is made to light；
After a preset time lapses, the second sense command is sent to the currently stored control module, so as to described currently stored
Control module controls the present hard discs indicator light by CPLD and extinguishes.
4. the cable self checking method of storage system as claimed in claim 3, which is characterized in that in the currently stored control mould
Block is controlled after the present hard discs indicator light lights by CPLD, sends the second sense command to the currently stored control module
Before, further includes:
Obtain the state of the present hard discs indicator light；
Judge whether the state of the present hard discs indicator light is identical as preset state, if it is, subsequent step is executed, it is no
Then, stop detection, and issue the corresponding cable of the present hard discs indicator light and connect wrong prompt information.
5. the cable self checking method of storage system as claimed in claim 3, which is characterized in that in the currently stored control mould
Block is controlled after the present hard discs indicator light lights by CPLD, sends the second sense command to the currently stored control module
Before, further includes:
Obtain the state of all hard disk indication lamps of all storage control modules；
Judge whether the hard disk indication lamp lighted is the current indicator light, if it is, executing subsequent step, otherwise, stops
Detection, and issue the corresponding cable of the present hard discs indicator light and connect wrong prompt information.
6. the cable self checking method of storage system as described in claim 4 or 5, which is characterized in that detected in judgement
After the state of all hard disk indication lamps of all storage control modules is identical as preset state, further includes:
The cable for issuing the storage system of detection connects errorless prompt information.
7. a kind of cable self-checking system of storage system characterized by comprising
First transmission unit, for sending initial command to currently stored control module, so as to the currently stored control module
Original state is in by the present hard discs indicator light that CPLD control is connect with the currently stored control module；
Second transmission unit, for sending sense command to the currently stored control module, so as to the currently stored control
Module controls the present hard discs indicator light by CPLD and executes detection operation, according to the state of the present hard discs indicator light
To determine whether cable corresponding with the present hard discs indicator light connects correctly.
8. a kind of server, including storage system, which is characterized in that the storage system includes CPLD, multiple storages control mould
Block, multiple hard disks and multiple hard disk indication lamps, further includes:
Processor realizes the line of storage system as described in any one of claims 1 to 3 when for executing the computer program
The step of cable self-checking system method.
9. server as claimed in claim 8, which is characterized in that further include:
The communication bus being set between the CPU and the CPLD；
The processor is also used to control the present hard discs indicator light by CPLD in the currently stored control module and light
Afterwards, before sending the second sense command to the currently stored control module, the state of the present hard discs indicator light is obtained；Sentence
Break the present hard discs indicator light state it is whether identical as preset state, if it is, execute subsequent step, otherwise, stop
Detection, and issue the corresponding cable of the present hard discs indicator light and connect wrong prompt information.
10. server as claimed in claim 9, which is characterized in that the processor is also used to the institute detected in judgement
Have the states of all hard disk indication lamps of storage control module it is identical as preset state after, issue the line of the storage system of detection
Cable connects errorless prompt information.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289922A (en) * | 2020-01-22 | 2020-06-16 | 华为技术有限公司 | Cable plugging detection method and related equipment |
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Application publication date: 20190514 |