CN107832199A - Hard disk monitoring system based on CPLD - Google Patents
Hard disk monitoring system based on CPLD Download PDFInfo
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- CN107832199A CN107832199A CN201710936493.3A CN201710936493A CN107832199A CN 107832199 A CN107832199 A CN 107832199A CN 201710936493 A CN201710936493 A CN 201710936493A CN 107832199 A CN107832199 A CN 107832199A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
- G06F11/325—Display of status information by lamps or LED's
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F11/3034—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a storage system, e.g. DASD based or network based
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
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Abstract
The present invention provides a kind of hard disk monitoring system based on CPLD.The system includes being equiped with the hard disk controller that the hard disk backboard of at least one hard disk electrically connects with the hard disk backboard, the hard disk backboard includes the disk state indicating module based on LED and the CPLD chips electrically connected with the disk state indicating module, wherein, the CPLD chips, the first LED control instructions are sent to the disk state indicating module based on LED for receiving and parsing through the SGPIO signals of the hard disk controller transmission to obtain the current state of at least one hard disk, and according to the disk state after parsing；The disk state indicating module based on LED, for operating LED according to the first LED control instructions to indicate corresponding disk state.The present invention can be realized to the real-time monitoring of the disk state on hard disk backboard and state representation.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of hard disk monitoring system based on CPLD.
Background technology
In computer systems, storage is essential a part of device, thus is directed to the positioning of memory unit, report
Have for the monitoring and maintenance of the function for system such as wrong, diagnosis and have very important significance, and in current computer system,
Storage control be either the South Bridge chip of mainboard or be HBA (Host Bus Adapter, host bus adaptor) card/
RAID (Redundant Array of Independent Disks, RAID, abbreviation disk array) blocks, such as
Fruit needs to detect the current state of hard disk, can only be provided under system by entering the Option ROM of chip or using chip
Upper computer software go to check two so be present：For group system, directly can not intuitively it obtain all hard
The status information of disk；For attendant, when maintenance system or hard disk substitute, can not fast positioning need to substitute
Hard disk position, cause maloperation easily occur, what can not be estimated caused to whole system operation and the securities of data
Influence.So in current storage system, ASIC (Application-specific that hard disk controller uses
Integrated circuit, special integrated chip) special decoding chip, it is with I2C interface or SGPIO (Serial
General Purpose Input/Output, serial universal input output) interface form, externally send a series of instruction letters
Number, it can be used for lighting LED light, so as to characterize hard disk operational state, or the hard disk for operating needs is identified.
Wherein, the special decoding chips of usually used ASIC have the MG9094 chips or MG9082 cores that can support 8 mouthfuls of hard disk backboards
Piece, in addition, can at most be cascaded using more MG9094 chips/MG9082 chips so as to support most 32 mouthfuls of hard disk to carry on the back
Plate.
During the present invention is realized, inventor has found following technical problem in the prior art at least be present：
1) lightening LED lamp is can be only used for characterize hard disk operational after the special decoding chip decoding SGPIO signals of ASIC
State, if it is desired to hard disk information corresponding to further obtaining, still need from Option ROM or from special under system
Hard disk information is captured in software, application scenarios are very limited；
2) design is dumb, can only fix the hard disk backboard for supporting 8 mouthfuls or multiple chip cascades get up composition at most
32 mouthfuls of hard disk backboard, the demand of all hard disk backboards can not be met；
3) different vendor has different definition to LED state, using asic chip, can not change the correspondence that LED is acted
State, can not meet the needs of part customization at all；
4) all pins of the special decoding chips of ASIC are all fixed, no matter how complicated the cabling of hard disk backboard is, LED
Corresponding physical relation between indicator lamp interface and hard disk can not all adjust, cause to exist in wiring process more coiling and
Layer is changed, has very big limitation to the wires design of entirety.
The content of the invention
Hard disk monitoring system provided by the invention based on CPLD, it is only necessary to a CPLD (Complex
Programmable Logic Device, CPLD) chip, pass through the SGPIO from hard disk controller
(Serial General Purpose Input/Output, serial general GPIO bus protocols) signal and from BMC
The I2C signals of (Baseboard Management Controlle, backboard Management Controller) chip, it can realize and hard disk is carried on the back
The real-time monitoring of disk state on plate and state representation.
The present invention provides a kind of hard disk monitoring system based on CPLD, and the system includes being equiped with least one hard disk
The hard disk controller that hard disk backboard electrically connects with the hard disk backboard, the hard disk backboard include the disk state based on LED
Indicating module and the CPLD chips electrically connected with the disk state indicating module, wherein, the CPLD chips, for receiving
And SGPIO signals that the hard disk controller is sent are parsed to obtain the current state of at least one hard disk, and according to solution
Disk state after analysis sends the first LED control instructions to the disk state indicating module based on LED；It is described to be based on
The disk state indicating module of LED, for operating LED according to the first LED control instructions to indicate corresponding hard disk
State.
Alternatively, the CPLD chips, it is additionally operable to the disk state information storage after parsing in a register.
Alternatively, the system also includes BMC chip, wherein, the BMC chip is long-range by BMC for receiving user
What administration interface was sent is used to obtain the I2C request signals of hard disk current state, and sends described for obtaining the current shape of hard disk
The I2C request signals of state are to the CPLD chips；
The CPLD chips, send the I2C response signals comprising hard disk current state to the BMC chip, in order to
Family obtains the current state of at least one hard disk by BMC remote administrative interfaces.
Alternatively, the BMC chip, positioned for receiving the hard disk that is used for that user is sent by BMC remote administrative interfaces
I2C request signals, and send the I2C request signals for hard disk positioning to the CPLD chips；
The CPLD chips, the 2nd LED for being sent according to the I2C request signals for hard disk positioning control life
Make to the disk state indicating module based on LED；
The disk state indicating module based on LED, it is additionally operable to be operated according to the 2nd LED control commands
LED indicates the hard disk position being positioned.
Alternatively, the current state of at least one hard disk includes idle condition, positioning states, rebuilds state and exception
State.
Alternatively, the SGPIO signals are comprising the code stream for indicating at least one hard disk current state.
Alternatively, SGPIO signals described in the CPLD chips priority treatment.
Alternatively, the CPLD chips priority treatment is used for the I2C requests for obtaining hard disk current state or hard disk positioning
Signal.
Hard disk monitoring system provided in an embodiment of the present invention based on CPLD, the system are at least one hard including being equiped with
The hard disk controller that the hard disk backboard of disk electrically connects with the hard disk backboard, the hard disk backboard include the hard disk based on LED
State indicator module and the CPLD chips electrically connected with the disk state indicating module, wherein, the CPLD chips, it is used for
SGPIO signals that the hard disk controller sends are received and parsed through to obtain the current state of at least one hard disk, and root
The first LED control instructions are sent to the disk state indicating module based on LED according to the disk state after parsing；The base
In the disk state indicating module of LED, indicated for operating LED according to the first LED control instructions corresponding to firmly
Plate-like state.Compared with prior art, the present invention can be realized to the real-time monitoring of the disk state on hard disk backboard and state table
Sign.
Brief description of the drawings
Fig. 1 is the structural representation of hard disk monitoring system of the one embodiment of the invention based on CPLD；
Fig. 2 is the structural representation of hard disk monitoring system of the another embodiment of the present invention based on CPLD.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
Only it is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The present invention provides a kind of hard disk monitoring system based on CPLD, as shown in figure 1, the system includes being equiped with least
The hard disk controller that the hard disk backboard of one hard disk electrically connects with the hard disk backboard, the hard disk backboard include being based on LED
Disk state indicating module and the CPLD chips that are electrically connected with the disk state indicating module, wherein, the CPLD cores
Piece, for receiving and parsing through SGPIO signals that the hard disk controller sends to obtain the current shape of at least one hard disk
State, and the first LED control instructions to the disk state based on LED is sent according to the disk state after parsing and indicates mould
Block；The disk state indicating module based on LED, for operating LED according to the first LED control instructions to indicate
Corresponding disk state.
Wherein, the current state of at least one hard disk includes idle condition, positioning states, rebuilds state and abnormal shape
State.
Wherein, the SGPIO signals are comprising the code stream for indicating at least one hard disk current state.
Wherein, the hard disk can be SAS hard disks or SATA hard disc.
Hard disk monitoring system provided in an embodiment of the present invention based on CPLD, compared with prior art, first, the present invention is only
A CPLD chip is needed, passes through the SGPIO signals from hard disk controller and the I2C signals from BMC chip, Neng Goushi
Now to the real-time monitoring of the disk state on hard disk backboard and state representation；Secondly, LED lighting action can at any time, arbitrarily
Modification, while make it that more there is flexibility when board layout connects up using CPLD implementations；Furthermore due to the CPLD of use
Implementation, it is only necessary to which GPIO pin and amount of logic are enough, it is possible to neatly infinite expanding, easily realize more multiport
Design requirement, for example, defining port number by using macrodefinition mode in SGPIO decoding programs, so pass through modification
One parameter, the hard disk backboard program of design requirement port number can be just met rapidly, it is seen that design of the invention
With good adaptability.
Further, the CPLD chips, it is additionally operable to the disk state information storage after parsing in a register.
Further, as shown in Fig. 2 the system also includes BMC chip, wherein, the BMC chip, used for receiving
Family is used to obtain the I2C request signals of hard disk current state by what BMC remote administrative interfaces were sent, and sends described for obtaining
The I2C request signals of hard disk current state are taken to the CPLD chips；
The CPLD chips, send the I2C response signals comprising hard disk current state to the BMC chip, in order to
Family obtains the current state of at least one hard disk by BMC remote administrative interfaces.
As can be seen here, compared with prior art, technical scheme causes user by BMC remote administrative interfaces i.e.
Disk state information can be obtained, so that application scenarios are more extensive.
Further, as shown in Fig. 2 the BMC chip, sent by BMC remote administrative interfaces for receiving user
For the I2C request signals of hard disk positioning, and the I2C request signals for hard disk positioning are sent to the CPLD chips；
The CPLD chips, the 2nd LED for being sent according to the I2C request signals for hard disk positioning control life
Make to the disk state indicating module based on LED；
The disk state indicating module based on LED, it is additionally operable to be operated according to the 2nd LED control commands
LED indicates the hard disk position being positioned.
As can be seen here, compared with prior art, technical scheme also supports the long range positioning of hard disk disk position, that is, uses
Family can carry out hard disk positioning by BMC remote administrative interfaces, for example, when operation maintenance personnel needs to change hard disk, can be in BMC
A certain hard disk disk position is chosen on remote administrative interface, so as to help operation maintenance personnel fast positioning hard disk.
Alternatively, SGPIO signals described in the CPLD chips priority treatment.Specific handling process：
S31, parsing SGPIO signals
Specially：The CPLD chips parse SGPIO signals that the hard disk controller sends to obtain described at least one
The current state of individual hard disk, and the first LED control instructions are sent to described based on the hard of LED according to the disk state after parsing
Disk state indicator module.
S32, operation LED action, show hard disk current state
Specially：The disk state indicating module based on LED operates LED according to the first LED control instructions
Lamp indicates corresponding disk state.
S33, parsing I2C signals
Specially：The CPLD chips parse the I2C request signals that the BMC chip is sent, if I2C request letters
Number it is used for acquisition request hard disk current state, then is transferred to step S34；If the I2C request signals are used to ask hard disk to position,
Then it is transferred to step S35.
S34, return to hard disk current state
Specially：The CPLD chips send the I2C response signals comprising hard disk current state to the BMC chip, with
It is easy to user to obtain the current state of at least one hard disk by BMC remote administrative interfaces.
S35, operation LED action, carry out hard disk positioning
Specially：The CPLD chips send the 2nd LED control commands to the disk state based on LED and indicate mould
Block；The disk state indicating module based on LED, be additionally operable to according to the 2nd LED control commands come operate LED come
Indicate the hard disk position being positioned.
Alternatively, the CPLD chips priority treatment is used for the I2C requests for obtaining hard disk current state or hard disk positioning
Signal.Specific handling process：
S41, parsing I2C signals
Specially：The CPLD chips parse the I2C request signals that the BMC chip is sent, if I2C request letters
Number it is used for acquisition request hard disk current state, then is transferred to step S42；If the I2C request signals are used to ask hard disk to position,
Then it is transferred to step S43.
S42, return to hard disk current state
Specially：The CPLD chips send the I2C response signals comprising hard disk current state to the BMC chip, with
It is easy to user to obtain the current state of at least one hard disk by BMC remote administrative interfaces.
S43, operation LED action, carry out hard disk positioning
Specially：The CPLD chips send the 2nd LED control commands to the disk state based on LED and indicate mould
Block；The disk state indicating module based on LED, be additionally operable to according to the 2nd LED control commands come operate LED come
Indicate the hard disk position being positioned.
S44, parsing SGPIO signals
Specially：The CPLD chips parse SGPIO signals that the hard disk controller sends to obtain described at least one
The current state of individual hard disk, and the first LED control instructions are sent to described based on the hard of LED according to the disk state after parsing
Disk state indicator module.
S45, operation LED action, show hard disk current state
Specially：The disk state indicating module based on LED operates LED according to the first LED control instructions
Lamp indicates corresponding disk state.
In the design of invention, the processing priority of I2C signals and SGPIO signals can be adjusted according to the actual requirements
It is whole, to meet more neatly to customize demand.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (8)
1. a kind of hard disk monitoring system based on CPLD, it is characterised in that the system includes being equiped with least one hard disk
The hard disk controller that hard disk backboard electrically connects with the hard disk backboard, the hard disk backboard include the disk state based on LED
Indicating module and the CPLD chips electrically connected with the disk state indicating module, wherein, the CPLD chips, for receiving
And SGPIO signals that the hard disk controller is sent are parsed to obtain the current state of at least one hard disk, and according to solution
Disk state after analysis sends the first LED control instructions to the disk state indicating module based on LED；It is described to be based on
The disk state indicating module of LED, for operating LED according to the first LED control instructions to indicate corresponding hard disk
State.
2. system according to claim 1, it is characterised in that the CPLD chips, be additionally operable to the hard disk shape after parsing
State information stores in a register.
3. system according to claim 2, it is characterised in that the system also includes BMC chip, wherein, the BMC cores
Piece, the I2C request signals for being used to obtain hard disk current state sent for receiving user by BMC remote administrative interfaces, and
The I2C request signals for being used to obtaining hard disk current state are sent to the CPLD chips；
The CPLD chips, the I2C response signals comprising hard disk current state are sent to the BMC chip, in order to which user is led to
Cross the current state that BMC remote administrative interfaces obtain at least one hard disk.
4. system according to claim 3, it is characterised in that the BMC chip, it is long-range by BMC for receiving user
The I2C request signals for being used for hard disk positioning that administration interface is sent, and send the I2C request signals for hard disk positioning extremely
The CPLD chips；
The CPLD chips, the 2nd LED control commands that the I2C request signals for being used for hard disk positioning according to are sent are extremely
The disk state indicating module based on LED；
The disk state indicating module based on LED, it is additionally operable to operate LED according to the 2nd LED control commands
To indicate the hard disk position being positioned.
5. system according to claim 1, it is characterised in that the current state of at least one hard disk includes idle shape
State, positioning states, rebuild state and abnormality.
6. system according to claim 1, it is characterised in that the SGPIO signals are described at least one comprising indicating
The code stream of hard disk current state.
7. system according to claim 4, it is characterised in that SGPIO signals described in the CPLD chips priority treatment.
8. system according to claim 4, it is characterised in that the CPLD chips priority treatment is current for obtaining hard disk
State or the I2C request signals of hard disk positioning.
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| CN201710936493.3A CN107832199A (en) | 2017-10-10 | 2017-10-10 | Hard disk monitoring system based on CPLD |
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| CN201710936493.3A CN107832199A (en) | 2017-10-10 | 2017-10-10 | Hard disk monitoring system based on CPLD |
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