CN109144778A - A kind of storage server system and its backup method, system and readable storage medium storing program for executing - Google Patents
A kind of storage server system and its backup method, system and readable storage medium storing program for executing Download PDFInfo
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- CN109144778A CN109144778A CN201810845162.3A CN201810845162A CN109144778A CN 109144778 A CN109144778 A CN 109144778A CN 201810845162 A CN201810845162 A CN 201810845162A CN 109144778 A CN109144778 A CN 109144778A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1435—Saving, restoring, recovering or retrying at system level using file system or storage system metadata
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1456—Hardware arrangements for backup
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
- G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0659—Command handling arrangements, e.g. command buffers, queues, command scheduling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
Abstract
The invention discloses a kind of backup method of storage server system, it is included in after receiving Power off order, by PCH by the adr register set of CPLD；CPU is controlled by the DRAM of the Refresh Data in Memory Controller Hub to NVDIMM by the CPLD, and after the completion of refreshing, the data in the DRAM are saved into NAND FLASH.The present invention is after receiving Power off order, by the interaction of south bridge PCH and CPLD, to trigger the backup functionality of NVDIMM, when ensure that storage server system shutdown, the data being stored in NVDIMM can be with carrying out safety backup, it does not lose, enhances the reliability of storage server system.The present invention has gone back the standby system, storage server system and readable storage medium storing program for executing of a kind of storage server system, has above-mentioned beneficial effect.
Description
Technical field
The present invention relates to field of storage, more particularly to a kind of storage server system and its backup method, system and can
Read storage medium.
Background technique
In the prior art, when system power supply failure, when leading to storage server system powered-off fault, NVDIMM can be triggered
The backup functionality of (Non-Volatile DIMM, Nonvolatile memory item), i.e., in a short time by entire storage server system
Current working condition (including all processes in the hardware devices such as CPU, bridging chip, network interface card and storage server system)
It flushes in DRAM (Dynamic Random Access Memory, dynamic random access memory), and after refreshing,
Data in DRAM are written in NAND FLASH, realize persistence, after so that storage server system is re-powered operation,
It recovers immediately to operating status before.And when the storage server system receives Power off signal, normal shutdown/under
When electric, all data of storage server system default, which have saved, to be finished, and the backup functionality of NVDIMM will not be triggered, i.e., will not incite somebody to action
Data in DRAM are written in NAND FLASH, cause after electricity, to be buffered in NVDIMM under storage server system pass/machine
DRAM in loss of data, reduce the reliability of storage server system.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
Summary of the invention
The object of the present invention is to provide a kind of backup method of storage server system, it ensure that storage server system closes
When machine, the data being stored in NVDIMM can not be lost with carrying out safety backup, enhance the reliability of storage server system；This
The another object of invention is to provide the standby system, storage server system and readable storage medium of a kind of storage server system
Matter.
In order to solve the above technical problems, the present invention provides a kind of backup methods of storage server system, comprising:
After receiving Power off order, by south bridge PCH by complex programmable logic device (CPLD) it is asynchronous in
It deposits and refreshes adr register set；
CPU is controlled by the Refresh Data in Memory Controller Hub to Nonvolatile memory NVDIMM's by the CPLD
In dynamic random access memory DRAM, after the completion of refreshing, the data in the DRAM are saved into NAND FLASH.
Preferably, described that CPU is controlled for the DRAM of the Refresh Data in Memory Controller Hub to NVDIMM by the CPLD
In process specifically:
The CPLD generates Save_Trigger low level signal after detecting the adr register set；
CPU arrives the Refresh Data in Memory Controller Hub after receiving the Save_Trigger low level signal
In the DRAM of NVDIMM.
Preferably, after the completion of the refreshing, it is specific that the data in the DRAM are saved into the process into NAND FLASH
Are as follows:
After the completion of refreshing, the CPU generates Save_n low level signal；
The NVDIMM saves the data in the DRAM to NAND after receiving the Save_n low level signal
In FLASH.
Preferably, described that CPU is controlled for the DRAM of the Refresh Data in Memory Controller Hub to NVDIMM by the CPLD
While middle, the backup method further include:
Obtain refresh time；
When the refresh time reaches preset time, determines to refresh and complete.
In order to solve the above technical problems, the present invention also provides a kind of standby systems of storage server system, comprising:
Set module, for being set the adr register of CPLD by south bridge PCH after receiving Power off order
Position；
Backup module, for controlling CPU for the Refresh Data in Memory Controller Hub to NVDIMM's by the CPLD
In DRAM, after the completion of refreshing, the data in the DRAM are saved into NAND FLASH.
Preferably, the backup module includes CPLD, CPU and the NVDIMM；
The CPLD, for generating Save_Trigger low level signal after detecting the adr register set；
The CPU, for after receiving the Save_Trigger low level signal, by the data in Memory Controller Hub
It flushes in the DRAM of NVDIMM.
Preferably, the CPU is also used to after the completion of refreshing, generates Save_n low level signal；
The NVDIMM, for after receiving the Save_n low level signal, the data in the DRAM to be saved
Into NAND FLASH.
Preferably, the standby system further include:
Management module described is arrived the Refresh Data in Memory Controller Hub by CPLD control CPU for obtaining
Refresh time in the DRAM of NVDIMM；
When the refresh time reaches preset time, determines to refresh and complete.
In order to solve the above technical problems, the present invention also provides a kind of storage server systems, including such as any one above
Standby system described in.
In order to solve the above technical problems, the present invention also provides a kind of readable storage medium storing program for executing, on the readable storage medium storing program for executing
It is stored with computer program, realizing the backup method as described in any one above when the computer program is executed by processor
Step.
The present invention provides a kind of backup method of storage server system, it is included in and receives Power off order
Afterwards, the asynchronous memory of complex programmable logic device (CPLD) is refreshed by the set of ADR register by south bridge PCH；By described
CPLD controls CPU for the Refresh Data in Memory Controller Hub to the dynamic random access memory of Nonvolatile memory NVDIMM
In DRAM, after the completion of refreshing, the data in the DRAM are saved into NAND FLASH.
As it can be seen that in practical applications, passing through south bridge after receiving Power off order using the solution of the present invention
The interaction of PCH and CPLD, to trigger the backup functionality of NVDIMM, is protected that is, by south bridge PCH by the adr register set of CPLD
When having demonstrate,proved storage server system shutdown, the data being stored in NVDIMM can not be lost with carrying out safety backup, enhance storage
The reliability of server system.
The present invention also provides a kind of standby system of storage server system, storage server system and readable storage mediums
Matter has beneficial effect identical with the backup method of above-mentioned storage server system.
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 step flow chart of the backup method of storage server system provided by the present invention；
Fig. 2 is a kind of structural schematic diagram of the standby system of storage server system provided by the present invention；
Fig. 3 is the structural schematic diagram of the standby system of another storage server system provided by the present invention.
Specific embodiment
The object of the present invention is to provide a kind of backup method of storage server system, it ensure that storage server system closes
When machine, the data being stored in NVDIMM can not be lost with carrying out safety backup, enhance the reliability of storage server system；This
The another object of invention is to provide the standby system, storage server system and readable storage medium of a kind of storage server system
Matter.
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.
Fig. 1 is please referred to, Fig. 1 is a kind of step process of the backup method of storage server system provided by the present invention
Figure, comprising:
Step 1: after receiving Power off order, by south bridge PCH by the different of complex programmable logic device (CPLD)
Walk the set of memory refresh adr register；
It is understood that NVDIMM is a kind of Nonvolatile memory item for being integrated with DRAM and NAND Flash, it can
Complete internal storage data is still saved when fully powered-off, wherein DRAM after a power failure, is deposited in DRAM for data cached
The data of storage can lose, and NAND Flash can be with persistence data, after a power failure, and data therein are not lost.Existing
In technology, only when storage server system powered-off fault, it can just trigger the backup functionality of NVDIMM, i.e., it will be in CPU memory
Refresh Data into DRAM, and after the completion of refreshing, the data in DRAM are stored into NAND FLASH, and storage service
Device system executes lower electricity or power-off operation, the institute in general default storage server system after receiving Power off order
There are data to save to finish, therefore, the backup functionality of NVDIMM will not be triggered at this time, so as to cause being stored in NVDIMM's
Data in DRAM are received in storage server system and are lost after electricity/shutdown under Power off order.
Consider that so far the present invention modifies south bridge PCH and CPLD (Complex Programmable Logic first
Device, Complex Programmable Logic Devices) interface, PCH (Platform Controller Hub, south bridge) and CPLD is logical
It crosses bus to link together, makes PCH that can then pass through PCH for ADR (the Asynchronous Dram of CPLD with read/write CPLD
Refresh, asynchronous memory refresh) register set, to notify CPLD to start subsequent data backup process.
Step 2: CPU is controlled for the Refresh Data in Memory Controller Hub to Nonvolatile memory NVDIMM's by CPLD
In dynamic random access memory DRAM, after the completion of refreshing, the data in DRAM are saved into NAND FLASH.
Specifically, CPLD, after detecting that adr register is set, control CPU generates flush data order, i.e., dynamic
The more newer command of state data after refreshing, then passes through CPU control in the DRAM of the Refresh Data of Memory Controller Hub to NVDIMM
NVDIMM processed enters self-refresh mode, and the data in DRAM are stored into NAND FLASH, to realize the long Kubo of data
It deposits, ensure that the data in NVDIMM are not lost during shutdown, enhance the reliability of storage server system.
The present invention provides a kind of backup method of storage server system, it is included in and receives Power off order
Afterwards, the asynchronous memory of complex programmable logic device (CPLD) is refreshed by the set of ADR register by south bridge PCH；It is controlled by CPLD
CPU processed is by the dynamic random access memory DRAM of the Refresh Data in Memory Controller Hub to Nonvolatile memory NVDIMM
In, after the completion of refreshing, the data in DRAM are saved into NAND FLASH.
As it can be seen that in practical applications, passing through south bridge after receiving Power off order using the solution of the present invention
The interaction of PCH and CPLD, to trigger the backup functionality of NVDIMM, is protected that is, by south bridge PCH by the adr register set of CPLD
When having demonstrate,proved storage server system shutdown, the data being stored in NVDIMM can not be lost with carrying out safety backup, enhance storage
The reliability of server system.
On the basis of the above embodiments:
Embodiment as one preferred controls CPU for the Refresh Data in Memory Controller Hub to NVDIMM by CPLD
DRAM in process specifically:
CPLD generates Save_Trigger low level signal after detecting adr register set；
CPU is after receiving Save_Trigger low level signal, by the Refresh Data in Memory Controller Hub to NVDIMM
DRAM in.
Specifically, the Power off received can be instructed and be converted to after the adr register of CPLD is set
Save_Trigger low level signal, Save_Trigger low level signal can be understood as a kind of storage triggering command, CPU
After receiving Save_Trigger low level signal, by sending flush data order, by the data in Memory Controller Hub
It flushes in the DRAM of NVDIMM.
Data in DRAM after the completion of refreshing, are saved the mistake into NAND FLASH by embodiment as one preferred
Journey specifically:
After the completion of refreshing, CPU generates Save_n low level signal；
NVDIMM saves the data in DRAM into NAND FLASH after receiving Save_n low level signal.
Embodiment as one preferred controls CPU for the Refresh Data in Memory Controller Hub to NVDIMM by CPLD
DRAM in while, the backup method further include:
Obtain refresh time；
When refresh time reaches preset time, determines to refresh and complete.
Specifically, will be same in the DRAM of the Refresh Data in Memory Controller Hub to NVDIMM controlling CPU by CPLD
When, the refresh time by the Refresh Data in Memory Controller Hub into DRAM can be also obtained, usually from receiving flush
Start timing after data order, when timing time (i.e. refresh time) reaches preset time, determines to refresh and complete, then lead to
It crosses CPU to drag down Save_n signal, and the Save_n low level signal is sent to NVDIMM, so that NVDIMM is detected
After Save_n signal is pulled low, the data in DRAM are stored into NAND FLASH.
Referring to figure 2., Fig. 2 is a kind of structural representation of the standby system of storage server system provided by the present invention
Figure, comprising:
Set module 1, for being deposited the ADR of CPLD 21 by south bridge PCH after receiving Power off order
Device set；
Backup module 2, for controlling CPU 22 for the Refresh Data in Memory Controller Hub to NVDIMM by CPLD 21
In 23 DRAM, after the completion of refreshing, the data in DRAM are saved into NAND FLASH.
Embodiment as one preferred, backup module 2 include CPLD 21, CPU 22 and NVDIMM 23；
CPLD 21, for generating Save_Trigger low level signal after detecting adr register set；
CPU 22, for after receiving Save_Trigger low level signal, by the Refresh Data in Memory Controller Hub
Into the DRAM of NVDIMM 23.
Embodiment as one preferred, CPU 22 are also used to after the completion of refreshing, generate Save_n low level signal；
NVDIMM 23, for after receiving Save_n low level signal, the data in DRAM to be saved to NAND
In FLASH.
Embodiment as one preferred, the standby system further include:
Management module is arrived the Refresh Data in Memory Controller Hub by the control of CPLD 21 CPU 22 for obtaining
Refresh time in the DRAM of NVDIMM 23；
When refresh time reaches preset time, determines to refresh and complete.
A kind of standby system of storage server system provided by the present invention has and above-mentioned storage server system
The identical beneficial effect of backup method.
Above-described embodiment is please referred to for a kind of introduction of the standby system of storage server system provided by the present invention,
Details are not described herein by the present invention.
Correspondingly, the present invention also provides a kind of storage server system, the standby system including any one such as above.
A kind of storage server system provided by the present invention has and the backup method phase of above-mentioned storage server system
Same beneficial effect.
Above-described embodiment is please referred to for a kind of introduction of storage server system provided by the present invention, the present invention is herein
It repeats no more.
Correspondingly, it is stored with computer program on readable storage medium storing program for executing the present invention also provides a kind of readable storage medium storing program for executing,
It realizes when computer program is executed by processor such as the step of any one backup method above.
A kind of readable storage medium storing program for executing provided by the present invention has identical with the backup method of above-mentioned storage server system
Beneficial effect.
Above-described embodiment please referred to for a kind of introduction of readable storage medium storing program for executing provided by the present invention, the present invention is herein not
It repeats again.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
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 backup method of storage server system characterized by comprising
After receiving Power off order, the asynchronous memory of complex programmable logic device (CPLD) is refreshed by south bridge PCH
Adr register set；
By the CPLD control CPU by the dynamic of the Refresh Data in Memory Controller Hub to Nonvolatile memory NVDIMM with
Machine accesses in DRAM memory, and after the completion of refreshing, the data in the DRAM are saved into NAND FLASH.
2. backup method according to claim 1, which is characterized in that described to control CPU for memory control by the CPLD
Refresh Data in device processed is to the process in the DRAM of NVDIMM specifically:
The CPLD generates Save_Trigger low level signal after detecting the adr register set；
CPU is after receiving the Save_Trigger low level signal, by the Refresh Data in Memory Controller Hub to NVDIMM
DRAM in.
3. backup method according to claim 2, which is characterized in that after the completion of the refreshing, by the number in the DRAM
According to process of the preservation into NAND FLASH specifically:
After the completion of refreshing, the CPU generates Save_n low level signal；
The NVDIMM saves the data in the DRAM to NAND after receiving the Save_n low level signal
In FLASH.
4. backup method according to claim 3, which is characterized in that described to control CPU for memory control by the CPLD
While Refresh Data in device processed is into the DRAM of NVDIMM, the backup method further include:
Obtain refresh time；
When the refresh time reaches preset time, determines to refresh and complete.
5. a kind of standby system of storage server system characterized by comprising
Set module, for after receiving Power off order, by south bridge PCH by the adr register set of CPLD；
Backup module, for controlling CPU in the DRAM of the Refresh Data in Memory Controller Hub to NVDIMM by the CPLD,
After the completion of refreshing, the data in the DRAM are saved into NAND FLASH.
6. standby system according to claim 5, which is characterized in that the backup module includes the CPLD, CPU and
NVDIMM；
The CPLD, for generating Save_Trigger low level signal after detecting the adr register set；
The CPU, for after receiving the Save_Trigger low level signal, by the Refresh Data in Memory Controller Hub
Into the DRAM of NVDIMM.
7. standby system according to claim 6, which is characterized in that
The CPU is also used to after the completion of refreshing, generates Save_n low level signal；
The NVDIMM, for after receiving the Save_n low level signal, by the data in the DRAM save to
In NAND FLASH.
8. standby system according to claim 7, which is characterized in that the standby system further include:
Management module, for obtaining the CPLD control CPU that passes through for the Refresh Data in Memory Controller Hub to NVDIMM
DRAM in refresh time；
When the refresh time reaches preset time, determines to refresh and complete.
9. a kind of storage server system, which is characterized in that including the standby system as described in claim 5-8 any one.
10. a kind of readable storage medium storing program for executing, which is characterized in that be stored with computer program, the meter on the readable storage medium storing program for executing
It is realized when calculation machine program is executed by processor as described in claim 1-4 any one the step of backup method.
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| CN110018929A (en) * | 2019-04-11 | 2019-07-16 | 苏州浪潮智能科技有限公司 | A kind of data back up method, device, equipment and storage medium |
| CN112199244A (en) * | 2020-10-16 | 2021-01-08 | 苏州浪潮智能科技有限公司 | Method, system, equipment and medium for detecting power failure of server |
| CN113050896A (en) * | 2021-04-30 | 2021-06-29 | 北京航星中云科技有限公司 | Domestic Feiteng server supporting NVDIMM and data protection method |
| CN117093140A (en) * | 2023-07-12 | 2023-11-21 | 荣耀终端有限公司 | Method and device for controlling shutdown of electronic equipment |
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