CN115079805A - System and method capable of accurately supplying and interrupting power to hard disk - Google Patents
System and method capable of accurately supplying and interrupting power to hard disk Download PDFInfo
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- CN115079805A CN115079805A CN202110266720.2A CN202110266720A CN115079805A CN 115079805 A CN115079805 A CN 115079805A CN 202110266720 A CN202110266720 A CN 202110266720A CN 115079805 A CN115079805 A CN 115079805A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000004913 activation Effects 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3268—Power saving in hard disk drive
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
- G11C5/148—Details of power up or power down circuits, standby circuits or recovery circuits
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Abstract
A system and method for accurately supplying and cutting off power to a hard disk. The system comprises a hard disk back plate, a power distribution module and a control module, wherein the hard disk back plate is provided with a plurality of hard disk slots, the power distribution module is respectively and electrically connected with the hard disk slots, and the control module is electrically connected with the power distribution module. The control module receives and generates an activation signal containing slot position information according to a hard disk read-write instruction, and sends the activation signal to the power distribution module; the power distribution module supplies power to the corresponding hard disk slot position on the hard disk backboard according to the slot position information when receiving the activation signal so as to electrify the hard disk inserted in the corresponding hard disk slot position; and when the power distribution module does not receive the activation signal containing the corresponding slot position information within a certain time, the power distribution module cuts off the power of the corresponding hard disk slot on the hard disk backboard. Therefore, the system can accurately supply and cut off power to the hard disk, thereby reducing the power consumption of the hard disk when no data is read and written and achieving the purpose of reducing the actual operation power of the whole machine.
Description
Technical Field
The invention relates to the technical field of storage, in particular to a system and a method capable of accurately supplying and interrupting power to and from a hard disk.
Background
With the rapid development of data centers and cloud storage, the server industry rises rapidly, and server systems are widely deployed in data centers. The hard disk is an important carrier for cloud storage data, is used in a large amount in a server system, and the energy consumption of the hard disk also becomes a key focus object of the data center.
In the current information age, a large amount of various information is generated at every moment, many of the large amount of information belong to cold data which is not commonly used, the frequency of the cold data is very low, a hard disk for storing the cold data is not always subjected to io reading and writing, some data can be in a cold and static state for a long time, and under the using environment, the hard disk still continuously operates at high speed so as to be ready for a user to call the data at any time, and the energy consumption is high.
In order to reduce power consumption, in the prior art, a method is generally adopted to put a hard disk for storing cold data into a sleep state so as to reduce power consumption of a server, and the hard disk is activated into a running state when a user needs to call the data. However, even in the sleep state, the power of the hard disk is 4W to 8W (the power is different depending on the specification of the hard disk). Then, for 1 storage server with 60 hard disks, even if all the hard disks enter the sleep state, the power consumption of the server will be as high as 240W to 480W.
Disclosure of Invention
The invention aims to provide a system and a method for accurately supplying and interrupting power to and from a hard disk.
In order to solve the technical problems, the technical scheme adopted by the invention is to provide a system capable of accurately supplying and interrupting power to a hard disk, wherein the system comprises a hard disk backboard, a power distribution module and a control module, the hard disk backboard is provided with a plurality of hard disk slots for hard disk insertion, the power distribution module is respectively and electrically connected with the plurality of hard disk slots, and the control module is electrically connected with the power distribution module; the control module is used for receiving a hard disk read-write instruction, generating an activation signal containing corresponding slot position information according to the hard disk read-write instruction, and sending the activation signal to the power distribution module; the power distribution module is used for supplying power to the corresponding hard disk slot position on the hard disk backboard according to the slot position information when receiving the activation signal so as to electrify and start reading and writing of the hard disk inserted in the corresponding hard disk slot position; the power distribution module is also used for powering off the corresponding hard disk slot on the hard disk backboard when the activation signal containing the corresponding slot position information is not received within a certain time, so that the hard disk inserted in the corresponding hard disk slot position is powered off to stop reading and writing.
In the system capable of accurately supplying and interrupting power to and from the hard disk, the hard disk back plate comprises a plurality of hard disk slot connecting terminals, the number of the hard disk slot connecting terminals is equal to that of the hard disk slots, and the hard disk slot connecting terminals are connected with the hard disk slots in a one-to-one correspondence manner.
In the system capable of accurately supplying and interrupting power to and from the hard disk, the power distribution module comprises a micro-processing unit and a communication unit electrically connected with the micro-processing unit, the communication unit is electrically connected with the control module, and the micro-processing unit is respectively and electrically connected with the hard disk slot connecting terminals.
In the system capable of accurately supplying and interrupting power to and from the hard disk, the power distribution module comprises a circuit board, the micro-processing unit and the communication unit are integrated on the circuit board, and the control module is also integrated on the circuit board.
In the system capable of accurately supplying and interrupting power to and from the hard disk, the control module is electrically connected with the server mainboard, and the hard disk reading and writing instructions are issued by the server mainboard.
Correspondingly, the invention also provides a method for accurately supplying and interrupting power to and from the hard disks, which is used for accurately supplying and interrupting power to and from the hard disks inserted into a hard disk backboard, and is characterized in that the hard disk backboard is provided with a plurality of hard disk slots, the hard disks are correspondingly inserted into the hard disk slots one by one, the hard disk slots are respectively and electrically connected to a power distribution module, and the power distribution module is electrically connected to a control module; the method comprises the following steps:
the control module receives a hard disk read-write instruction, generates an activation signal containing corresponding slot position information according to the hard disk read-write instruction, and sends the activation signal to the power distribution module;
when the power distribution module receives the activation signal, the power distribution module supplies power to the corresponding hard disk slot position on the hard disk backboard according to the slot position information so as to electrify and start reading and writing of the hard disk inserted in the corresponding hard disk slot position;
and when the power distribution module does not receive an activation signal containing corresponding slot position information within a certain time, the power distribution module powers off the corresponding hard disk slot on the hard disk backboard so as to stop reading and writing the hard disk inserted in the corresponding hard disk slot position when the power distribution module powers off.
In the method for accurately supplying and interrupting power to and from the hard disk, the hard disk back plate comprises a plurality of hard disk slot connecting terminals, the number of the hard disk slot connecting terminals is equal to that of the hard disk slots, and the hard disk slot connecting terminals are connected with the hard disk slots in a one-to-one correspondence manner.
In the method for accurately supplying and interrupting power to and from the hard disk, the power distribution module comprises a micro-processing unit and a communication unit electrically connected with the micro-processing unit, the communication unit is electrically connected with the control module, and the micro-processing unit is respectively and electrically connected with the hard disk slot connecting terminals.
In the method for accurately supplying and interrupting power to and from the hard disk, the power distribution module comprises a circuit board, the microprocessing unit and the communication unit are integrated on the circuit board, and the control module is also integrated on the circuit board.
In the method for accurately supplying and interrupting power to and from the hard disk, the control module is electrically connected with the server mainboard, and the hard disk reading and writing instructions are issued by the server mainboard.
The system for accurately supplying and interrupting power to and from the hard disk can achieve the following beneficial effects: the system comprises a hard disk backboard, a power distribution module and a control module, wherein the hard disk backboard is provided with a plurality of hard disk slots for inserting hard disks, the power distribution module is respectively and electrically connected with the plurality of hard disk slots, and the control module is electrically connected with the power distribution module; the control module is used for receiving a hard disk read-write instruction, generating an activation signal containing corresponding slot position information according to the hard disk read-write instruction, and sending the activation signal to the power distribution module; the power distribution module is used for supplying power to the corresponding hard disk slot position on the hard disk backboard according to the slot position information when receiving the activation signal so as to electrify and start reading and writing of the hard disk inserted in the corresponding hard disk slot position; the power distribution module is also used for powering off the corresponding hard disk slot on the hard disk backboard when the activation signal containing the corresponding slot position information is not received within a certain time, so that the hard disk inserted in the corresponding hard disk slot position is powered off to stop reading and writing. Therefore, the system can accurately supply and disconnect power to the hard disk, namely the hard disk with data reading and writing is powered on, and the hard disk without data reading and writing is not powered off, so that the power consumption of the hard disk without data reading and writing is reduced, and the aim of reducing the actual operation power of the whole machine is fulfilled.
Correspondingly, the method for accurately powering on and powering off the hard disk can also accurately power on and off the hard disk, namely, the hard disk with data reading and writing is powered on, and the hard disk without data reading and writing is not powered off, so that the power consumption of the hard disk without data reading and writing is reduced, and the aim of reducing the actual operation power of the whole machine is fulfilled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:
fig. 1 is a block diagram of a system capable of accurately powering off and supplying power to a hard disk according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Exemplary embodiments of the invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example one
The embodiment provides a system capable of accurately powering off and on a hard disk.
Referring to fig. 1, fig. 1 is a block structure diagram of a system capable of accurately supplying and interrupting power to and from a hard disk according to this embodiment, where the system includes a hard disk backplane, a power distribution module, and a control module. As can be seen in fig. 1, the hard disk backplane has a plurality of hard disk slots for hard disks to be plugged in and a plurality of hard disk slot connection terminals, where the number of the hard disk slot connection terminals is equal to the number of the hard disk slots, and the plurality of hard disk slot connection terminals are connected to the plurality of hard disk slots in a one-to-one correspondence. Here, the number of the hard disk slot and the hard disk slot connection terminal is 24. The power distribution module is respectively a plurality of electric connection the hard disk slot can be seen in figure 1, the power distribution module comprises a micro-processing unit and a communication unit electrically connected with the micro-processing unit, the communication unit is electrically connected with the control module, and the micro-processing unit is respectively a plurality of hard disk slot connecting terminals electrically connected. The control module is electrically connected with the power distribution module, wherein the control module is also connected with the power distribution module through I 2 C busAnd the server mainboard is electrically connected with a server mainboard, and the server mainboard can issue a hard disk read-write instruction to the control module. Wherein the microprocessor unit may be a Microprocessor (MCU), the communication unit may be a signal transceiver, and the control module may be a Complex Programmable Logic Device (CPLD).
The operation principle of the system capable of accurately powering on and off the hard disk provided by the embodiment is as follows.
Accurate power supply process: and after receiving the hard disk read-write instruction, the control module generates an activation signal containing corresponding slot position information according to the hard disk read-write instruction and sends the activation signal to the power distribution module. And when receiving the activation signal, the power distribution module connects the corresponding hard disk slot connecting terminal according to the slot position information so as to supply power to the corresponding hard disk slot position on the hard disk backboard, so that the hard disk inserted in the corresponding hard disk slot position is electrified to start reading and writing.
Accurate outage process: and when the activation signal containing the corresponding slot position information is not received within the lasting time of 7s, the power distribution module disconnects the access between the power distribution module and the corresponding hard disk slot connecting terminal so as to perform power-off processing on the corresponding hard disk slot on the hard disk backboard, so that the hard disk inserted in the corresponding hard disk slot position is powered off and stops reading and writing.
Therefore, the system can accurately supply and disconnect power to the hard disk, namely the hard disk with data reading and writing is powered on, and the hard disk without data reading and writing is not powered off, so that the power consumption of the hard disk without data reading and writing is reduced, and the aim of reducing the actual operation power of the whole machine is fulfilled.
In this embodiment, the slot position information is obtained by analyzing the hard disk read-write instruction after the control module receives the hard disk read-write instruction. The power distribution module can analyze that the corresponding hard disk slot connecting terminal needs to be connected or disconnected according to the slot position information. Here, the position codes of the 24 hard disk slots can be coded, each hard disk inserted into the hard disk slot is provided with a unique ID, and the IDs of the 24 hard disks correspond to the position codes of the 24 hard disk slots one by one. The hard disk read-write instruction comprises ID information of a hard disk, and after the control module receives the hard disk read-write instruction, corresponding position coding information can be obtained according to the corresponding relation between the ID of the hard disk and the position code of the hard disk slot, wherein the position coding information is the slot position information.
In this embodiment, the power distribution module includes a circuit board, and the microprocessor unit and the communication unit are integrated on the circuit board. In order to reduce peripheral circuitry and simplify the overall system architecture, the control module may also be integrated on the circuit board.
Of course, in some other embodiments, the control module may be software for transmitting the hard disk read-write instruction and determining the corresponding hard disk slot position information. Also, the software may be embedded in the form of firmware inside the power distribution module, which is connected to the server motherboard via the I2C bus, in view of convenience of digital control and reduction of peripheral circuits.
Example two
The embodiment provides a method for accurately powering on and powering off hard disks, which is used for accurately powering on and powering off a plurality of hard disks plugged on a hard disk backplane. The hard disk backboard is provided with a plurality of hard disk slots, the hard disks are correspondingly inserted into the hard disk slots one by one, the hard disk slots are electrically connected to a power distribution module respectively, and the power distribution module is electrically connected to a control module. The hard disk backboard comprises a plurality of hard disk slot connecting terminals, the number of the hard disk slot connecting terminals is equivalent to that of the hard disk slots, and the hard disk slot connecting terminals are in one-to-one correspondence with the hard disk slots and are connected with the hard disk slots. The power distribution module comprises a micro-processing unit and a communication unit electrically connected with the micro-processing unit, the communication unit is electrically connected with the control module, and the micro-processing unit is respectively electrically connected with the hard disk slot connecting terminals. The power distribution module comprises a circuit board, the micro-processing unit and the communication unit are integrated on the circuit board, and the control module is also integrated on the circuit board. The control module is electrically connected with the server mainboard, and the hard disk reading and writing instructions are issued by the server mainboard.
Specifically, the method comprises the following steps:
the control module receives a hard disk read-write instruction, generates an activation signal containing corresponding slot position information according to the hard disk read-write instruction, and sends the activation signal to the power distribution module;
when the power distribution module receives the activation signal, the power distribution module supplies power to the corresponding hard disk slot position on the hard disk backboard according to the slot position information so as to electrify and start reading and writing of the hard disk inserted in the corresponding hard disk slot position;
and when the power distribution module does not receive an activation signal containing corresponding slot position information within a certain time (which can be 5s, 6s, 7s or 8s), the power distribution module powers off the corresponding hard disk slot on the hard disk backboard so as to stop reading and writing the hard disk inserted in the corresponding hard disk slot position.
The method can accurately supply and disconnect power to the hard disk, namely the hard disk with data reading and writing is powered on, and the hard disk without data reading and writing is not powered off, so that the power consumption of the hard disk without data reading and writing is reduced, and the aim of reducing the actual operation power of the whole machine is fulfilled.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The system capable of accurately supplying and interrupting power to and from the hard disk is characterized by comprising a hard disk backboard, a power distribution module and a control module, wherein the hard disk backboard is provided with a plurality of hard disk slots for the hard disk to be plugged in, the power distribution module is respectively and electrically connected with the plurality of hard disk slots, and the control module is electrically connected with the power distribution module; the control module is used for receiving a hard disk read-write instruction, generating an activation signal containing corresponding slot position information according to the hard disk read-write instruction, and sending the activation signal to the power distribution module; the power distribution module is used for supplying power to the corresponding hard disk slot position on the hard disk backboard according to the slot position information when receiving the activation signal so as to electrify and start reading and writing of the hard disk inserted in the corresponding hard disk slot position; the power distribution module is also used for powering off the corresponding hard disk slot on the hard disk backboard when the activation signal containing the corresponding slot position information is not received within a certain time, so that the hard disk inserted in the corresponding hard disk slot position is powered off to stop reading and writing.
2. The system of claim 1, wherein the hard disk backplane comprises a plurality of hard disk slot connectors, the number of the hard disk slot connectors is equal to the number of the hard disk slots, and the hard disk slot connectors are connected to the hard disk slots in a one-to-one correspondence.
3. The system according to claim 2, wherein the power distribution module comprises a microprocessor unit and a communication unit electrically connected to the microprocessor unit, the communication unit is electrically connected to the control module, and the microprocessor unit is electrically connected to the plurality of hard disk slot connection terminals respectively.
4. The system for supplying and interrupting power to and from a hard disk according to claim 3, wherein the power distribution module comprises a circuit board, the micro processing unit and the communication unit are integrated on the circuit board, and the control module is also integrated on the circuit board.
5. The system according to claim 1, wherein the control module is electrically connected to a server motherboard, and the hard disk read/write command is issued by the server motherboard.
6. A method capable of accurately supplying and interrupting power to and from a hard disk is used for accurately supplying and interrupting power to and from a plurality of hard disks inserted in a hard disk backboard, and is characterized in that the hard disk backboard is provided with a plurality of hard disk slots, the plurality of hard disks are inserted in the plurality of hard disk slots in a one-to-one correspondence manner, the plurality of hard disk slots are respectively and electrically connected to a power distribution module, and the power distribution module is electrically connected to a control module; the method comprises the following steps:
the control module receives a hard disk read-write instruction, generates an activation signal containing corresponding slot position information according to the hard disk read-write instruction, and sends the activation signal to the power distribution module;
when the power distribution module receives the activation signal, the power distribution module supplies power to the corresponding hard disk slot position on the hard disk backboard according to the slot position information so as to electrify and start reading and writing of the hard disk inserted in the corresponding hard disk slot position;
and when the power distribution module does not receive an activation signal containing corresponding slot position information within a certain time, the power distribution module powers off the corresponding hard disk slot on the hard disk backboard so as to power off the hard disk inserted in the corresponding hard disk slot position and stop reading and writing.
7. The method according to claim 6, wherein the hard disk backplane comprises a plurality of hard disk slot connection terminals, the number of the hard disk slot connection terminals is equal to the number of the hard disk slots, and the plurality of hard disk slot connection terminals are connected to the plurality of hard disk slots in a one-to-one correspondence.
8. The method of claim 7, wherein the power distribution module comprises a microprocessor unit and a communication unit electrically connected to the microprocessor unit, the communication unit is electrically connected to the control module, and the microprocessor unit is electrically connected to the plurality of hard disk slot connection terminals.
9. The method of claim 8, wherein the power distribution module comprises a circuit board, the microprocessor unit and the communication unit are integrated on the circuit board, and the control module is also integrated on the circuit board.
10. The method according to claim 6, wherein the control module is electrically connected to a server motherboard, and the hard disk read/write command is issued by the server motherboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110266720.2A CN115079805A (en) | 2021-03-12 | 2021-03-12 | System and method capable of accurately supplying and interrupting power to hard disk |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110266720.2A CN115079805A (en) | 2021-03-12 | 2021-03-12 | System and method capable of accurately supplying and interrupting power to hard disk |
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| CN115079805A true CN115079805A (en) | 2022-09-20 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017472A (en) * | 2007-03-01 | 2007-08-15 | 华为技术有限公司 | Hard disk hot swap system in multiple hard disks system and method |
| CN111984500A (en) * | 2020-08-07 | 2020-11-24 | 苏州浪潮智能科技有限公司 | High-performance storage server system |
| CN112162706A (en) * | 2020-09-30 | 2021-01-01 | 新华三云计算技术有限公司 | Hard disk management method, device, equipment and machine readable storage medium |
-
2021
- 2021-03-12 CN CN202110266720.2A patent/CN115079805A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017472A (en) * | 2007-03-01 | 2007-08-15 | 华为技术有限公司 | Hard disk hot swap system in multiple hard disks system and method |
| CN111984500A (en) * | 2020-08-07 | 2020-11-24 | 苏州浪潮智能科技有限公司 | High-performance storage server system |
| CN112162706A (en) * | 2020-09-30 | 2021-01-01 | 新华三云计算技术有限公司 | Hard disk management method, device, equipment and machine readable storage medium |
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