CN201047943Y - Fast recovery equipment of computer system - Google Patents
Fast recovery equipment of computer system Download PDFInfo
- Publication number
- CN201047943Y CN201047943Y CNU2007201033277U CN200720103327U CN201047943Y CN 201047943 Y CN201047943 Y CN 201047943Y CN U2007201033277 U CNU2007201033277 U CN U2007201033277U CN 200720103327 U CN200720103327 U CN 200720103327U CN 201047943 Y CN201047943 Y CN 201047943Y
- Authority
- CN
- China
- Prior art keywords
- hard disk
- computer system
- embedded
- computer
- embedded system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Hardware Redundancy (AREA)
Abstract
The utility model relates to a fast recovery device for a computer system, and comprises a computer system and an embedded system device, wherein, the computer system comprises a system guide hard disc with an installed operating system, etc.; the embedded system device comprises at least one standby hard disc. When the computer system malfunctions, the embedded system device uses a switching device to cut off the connection between the system guide hard disc and the computer system and connects the system guide hard disc into the embedded system device and, at the same time, selects one of the standby hard discs and connects the selected standby hard disc back into the computer system as a new system guide hard disc for guiding the compute again. The device can significantly lower time consumption and reduce cost when used to recover the computer system.
Description
Technical field:
The utility model relates to a kind of recovery technology of computer system, the quick restorer of particularly a kind of hard disk or computer system.
Background technology:
Along with the electronic technology development; the computer hardware product quality reaches one and leaps; product quality is day by day stable; the hardware fault rate constantly descends; and rise year by year by the stopping accident barrier that software, hard disk, network reason cause; the machine halt trouble rate that software causes becomes present server outage main cause considerably beyond the failure rate of hardware.
The fault main cause that is caused by software and networking products is as follows:
1, the server outage that causes owing to the BUG reason of software itself,
2, software moves RAM all the year round, and inside mistake occurs and causes application program normally not move,
3, the operating system long-play operating system irregular operation occurred, and causes the machine of delaying more than 2 years,
4, the shutdown that causes of network interface card fault,
5, internet worm and network malicious attack cause the server machine of delaying,
6, hard disk bad track occurs and causes partial data not read,
7, hard disk corruptions causes loss of data and server not to start, or the like.
More than these reasons are ubiquitous problems such as present server or PC, and that the conventional means that overcomes the above problems comprises is following several.The first is done two-node cluster hot backup, be exactly by the complete identical operations of installation system in two-server, when a station server wherein breaks down can not normally move the time, automatically switch to another standby server by changing the IP address, to keep the normal operation of server.But, if when this moment occurring new that station server that switches and breaking down once more, there has not been standby server to have switched, system will face the danger that entirely collapses this moment.
Now employed a kind of disk recovery system is on the market, and the full detail of server or computer system hard is cloned out, when local hard drive has fault, clone's system copies is returned in this hard disk, with recovery system again.This process need manual intervention and operation, but this process is not just can recover in the short time, spend the long time, and the long like this stand-by period is flagrant for critical systems such as servers.
The another kind of disk recovery method in backup software market is that hard disc data is kept on the magnetic tape station, by the disaster recovery module that backup software provided the hard disc data on the magnetic tape station is covered back on the original hard disk, returns to the virgin state of hard disk thus.But there is the long problem of system recovery time equally in this restoration methods, and recovery system will use main equipments such as magnetic tape station, thereby has increased the complicacy and the cost of recovery system.
As everyone knows, the fault by application program causes often just can solve by restarting server.And fault that is caused by operating system such as operating system are damaged, virus, guiding hard disk corruptions, network connect fault etc., and the recovery of server must be finished by changing parts or refitting system, and therefore, system recovery time is longer.
Above-mentioned these recovery technology, it is long all to exist the disk recovery time, defectives such as recovery system in time, and recovery system complexity, cost height.
The utility model content:
At the above-mentioned many technical matterss that exist in the prior art, the utility model provides a kind of quick restorer of computer system of simplification, carry out computer system by this equipment and recover, can shorten the time of system recovery greatly, reduced cost simultaneously.
In order to realize above-mentioned utility model purpose, the utility model has adopted following technological means.
The utility model also provides a kind of quick restorer of computer system, comprise a recovery system, described recovery system comprises: computer system, embedded system device, be connected unify at least two buses between the embedded system device of described department of computer science, insert a plurality of hard disks of described bus, and be connected unify at least one communication line between the embedded system device of described department of computer science, whether normally described embedded system device receives expression computer working related data or information by this communication line at least from described computer system, and when breaking down, computer system sends the instruction of restarting to computer system
Described each hard disk all is separately installed with the required operating system of described computer system, in described a plurality of hard disk one inserts described computer system as the system bootstrap hard disk by bus wherein, other hard disks insert described embedded system device as standby hard disk by bus
When described computer system breaks down, described embedded system device utilizes switching device shifter to disconnect being connected between described system bootstrap hard disk and the described computer system, and described system bootstrap hard disk switched in the described embedded system device, simultaneously, select in the described standby hard disk, and selected standby hard disk is taken back in the described computer system as new system bootstrap hard disk by switching device shifter.
Above equipment, self also comprises at least one memory storage wherein said embedded system device, be used for storing at least one the standby hard disk identical operations system image file with described a plurality of hard disks, so that can recover or cover to the system in system bootstrap hard disk and other standby hard disks.
Wherein said computer system also comprises at least one data file hard disk, is used for storing specially all or part of data file of described computer system, and makes this data file hard disk insert computer system.
Wherein said embedded system device also comprises at least one communication interface or External memory equipment interface, is used for upgrading by the mapping document of operation system that these interfaces are stored the memory storage of described embedded system device.
Wherein said communication port is serial port or network interface, and described switching device shifter is relay or electronic switch.
The mapping document of operation system of storing in the wherein said memory storage can be one or several, can recover the required operating system of user according to user's needs during disk recovery.
According to technique scheme of the present utility model, when the above-mentioned situation described in background technology occurring, the operating system of computer system (comprising server, household PC or embedded computer) can be restarted in the cycle at one and recover, it is equivalent to the switching time that a dual-machine hot backup system takes place, thereby shortened the time of system recovery greatly, also obtained the simplification recovery system simultaneously and constituted, reduce beneficial effects such as recovery system cost.
Description of drawings:
With the utility model is elaborated in conjunction with the following drawings.
Fig. 1 is the structural representation of the utility model recovery system;
Fig. 2 carries out the system flowchart of system recovery for the utility model;
Fig. 3 is the control principle synoptic diagram of the utility model embedded system;
Embodiment
Below the formation and the course of work of the quick restorer of the utility model computer system are described in detail in detail from several aspects.
(1) recovery system
At first please refer to accompanying drawing 1 and describe the preferred recovery system of the utility model.
As shown in Figure 1, recovery system of the present utility model comprises computer system 1, embedded system device 2, be connected described department of computer science unify at least two buses 3,3 ' between the embedded system device and a plurality of hard disks 5,5 ' that insert described bus.Computing machine and Related product that described computer system 1 can be an any kind of in the market, for example, server, home PC, notebook or embedded computer etc.Described hard disk 5, the 5 ' operating system that all is separately installed with separately, these operating systems can be the same or different.Described hard disk 5 ' inserts described computer system 1 as the system bootstrap hard disk by bus 3 ' wherein, and other hard disks 5 insert described embedded system device 2 as standby hard disk by another bus 3.According to actual needs, a plurality of standby hard disks 5 can be hung on the bus, or insert computer system 1 or embedded system device 2 by different buses.Wherein said bus 3,3 ' can be hdd data bus or pci bus etc.In order to simplify description, in preferred embodiment of the present utility model, only comprised two hard disks 5,5 ', and the operating system that these two hard disks are installed is identical.
In preferred embodiment of the present utility model, described computer system also comprises at least one memory storage 4, is used for the special storage all or part of data mapping file relevant with described computer system, is used for recovering to insert the hard disc data in the embedded system.
By suitable switching device shifter 8,8 ', for example relay or electronic switch etc. insert computer system 1 with system bootstrap hard disk 5 ' by bus.When system bootstrap hard disk 5 ' inserted computer system 1, this system bootstrap hard disk 5 ' did not insert embedded system device 2, but is subjected to the control of embedded system device 2.At this moment, if computer system 1 is working properly, then standby hard disk 5 does not insert computer system, and only inserts embedded system device 2.At this, standby hard disk 5 can be inserted described embedded system device 2 as required, and the operating system on these standby hard disks 5 can be same to each other or different to each other.When mainframe computer system 1 or hard disk etc. break down, can be by the control of described embedded system device 2, via switching device shifters 8 ' such as relays original system bootstrap hard disk 5 ' and computer system 1 are disconnected, and it is inserted described embedded system device 2.On the other hand, described embedded system device 2 select to store with the on all four standby hard disk of the operating system of original system guiding hard disk 5 ' 5 via switching device shifters such as relay 8, original standby hard disk 5 and embedded system device 2 are disconnected, and it is inserted described computer system apparatus 1, as new system bootstrap hard disk, and original system bootstrap hard disk 5 ' taken back in the embedded system device 2, so that embedded system device 2 can return to the image file in the memory storage 4 in 5 '.
Described embedded system device 2 can be the embedded system of any routine.Because embedded system self all has oneself microprocessor and storer and external apparatus interfaces such as CPU usually, as USB interface etc., therefore memory storage 4 can be different External memory equipments as required, and removable storage device for example is as portable hard drive, SD card etc.Because independent CPUs is arranged, embedded system device 2 can be worked independently, and can have independent operating system, be used to realize some simple control procedures, and it has advantages such as cost is relatively low, volume is little, therefore is widely used in the automatic control system of household electrical appliance such as televisor, refrigerator, washing machine and Industry Control etc.
Embedded system device 2 described in the utility model preferred embodiment is equipped with memory storage 4, can be different External memory equipments as required, for example, and hard disk, removable storage device, USB flash disk, SD card etc.In this memory device, store at least and system bootstrap hard disk 5 ' identical mapping document of operation system, be used for when computer system or system bootstrap hard disk break down, the system of system bootstrap hard disk being recovered.
Embedded system device 2 can also have parallel interface, serial line interface and network interface etc.Embedded system device 2 of the present utility model has a serial line interface at least, for example RS232 interface etc.Link as the detection communication link 21 (referring to Fig. 3) of computer system 1 by this serial line interface and computer system 1 with embedded system device 2, described embedded system device 2 can carry out communication with computer system 1, be used for regular status information to embedded system 2 sender computer system 1, maybe relevant information or instruction are sent to computer system 1, or carry out alternately with computer system 1.By network interface, can or insert the operating system of being stored in the memory storage of this embedded system device 2 to the operating system of this embedded system device 2 and implement operations such as upgrading or detection.When in having a plurality of standby hard disks 5 and these standby hard disks, having stored different operating system respectively, described memory storage can be stored the identical operating system corresponding one by one with these systems respectively, for use in respectively different operating system being recovered.
Because under normal circumstances, standby hard disk 5 does not insert computer system, and only be associated with embedded system device 2, in other words, computer system 1 is separated with embedded system device 2 fully from inserting on the bus 3, so the infringement of virus etc. can not be infected in the system of standby hard disk 5 by computer system 1.In preferred embodiment of the present utility model, can also be by the control of described embedded system device 2, with 5 outages of standby hard disk or insert in another embedded system, thereby thoroughly cut off being connected of standby hard disk and the external world, further guaranteed the pure property and the integrality of back-up system.
(2) recovery operation
The operating process in 2 in conjunction with the accompanying drawings please represents from step S0 to the flow process of step S2 that wherein embedded system device 2 is by the detection information of operate as normal whether such as above-mentioned communication link 21 (referring to Fig. 3) receiving computer system or system bootstrap hard disk.Under the situation of computer system 1 or 5 ' the normal operation of system bootstrap hard disk, computer system 1 be used to relevant with computer system of the transmission of the detection module 22 (as shown in Figure 3) in embedded system device 2 of the present utility model is incessantly judged the various information whether computer operating system, system bootstrap hard disk or network connection etc. break down.According to actual needs, these information can comprise such as cpu busy percentage, internal memory operating position, network interface card flow, computer runs programs (as the website, Database Systems, middleware etc.), whether or wherein some combination in the normal information such as network connection, whether break down for use in detection computations machine system, system bootstrap hard disk or application software etc.Further, the user can also be by own relevant detection condition and/or the threshold value set, and preestablishes or detect system's switching condition of representing that computer system or system bootstrap hard disk break down etc.Embedded system device 2 passes through communication interface, for example serial line interface receives relevant information from computer system, and these information and pre-set threshold are compared, judge whether computer system or system bootstrap hard disk etc. fault have taken place, for example delay machine or virus infraction etc.If no abnormal situation, then flow process is got back to step S1, and embedded system device 2 continues to detect the information that computer system is sent incessantly, and carries out comparing accordingly and judging.Therefore, described detection module 22 (as shown in Figure 3) can be set by the manufacturer of embedded system device 2, perhaps can be come as required freely to select and set by the user.
If the related data information that embedded system device 2 can not send from the normal receiving computer of computer system system, the information of perhaps sending has shown that fault has taken place for this computer system or system bootstrap hard disk, then enter step S3, send the instruction of restarting this computer system to computer system by embedded system.If this instruction can't be restarted computing machine, then relay that is associated with computing machine reset circuit, startup and shutdown circuit by embedded system or electronic switch etc. reset computer system or cut off the power supply shutdown and then start are restarted.
In restarting the process of computer system, the hard disk handoff functionality (step S4) that elder generation is achieved as follows by a handover module 23 (as shown in Figure 3) that is stored in advance in the embedded system device 2.Embedded system device 2 is by switching device shifter 8 (referring to Fig. 1), and for example relay or electronic switch etc. are gone up original system bootstrap hard disk 5 ' and computer system 1 disconnection from bus 3 ', and it is inserted embedded system device 2.On the other hand, from standby hard disk 5, select standby hard disk 5, and it is taken back in the computer system 1 as new system bootstrap hard disk by conversion equipments such as relays.Again vectoring computer starts.
Wherein said embedded system device 2 can manually specify the standby hard disk 5 access computer systems of which piece to come vectoring computer according to the priority of user's setting or by the user.Described standby hard disk also can be installed the different operating system that is applicable to this computer system in advance according to user's demand, can use different operating system to come vectoring computer in order to the user.
After bus 3 ' the disconnection system bootstrap hard disk 5 new with being connected of computer system 1 correctly had been linked into computer system 1, computer system 1 was from new system bootstrap hard disk (standby hard disk 5 originally) beginning booting computer system operate as normal (step S5) at original system guiding hard disk 5 '.
After the hard disk 5 of described new access can successful booting computer system 1 is normal again starts, whether then flow process is got back to step S1, restarted incessantly to embedded system device 2 sender computer system 1 or new system bootstrap hard disk 5 relevant information or the data of operate as normal by computing machine.So far, recovery system of the present utility model is restarted at one and has just been finished in the cycle because the system recovery that the hardware system failure and other reasons causes, thereby has shortened the time and the cycle of system recovery greatly, approximately only needs several minutes even can be shorter.
If the new hard disk that inserts still can not normally start by successful booting computer system 1 again, then in handover module 23, can add such function, make embedded system device 2 of the present utility model from other standby hard disks, to select another to be linked in the computer system again, till computer system can normally start, to guarantee the normal operation of system.
Described embedded system device 2 can also and start order by predefined recovery and control blocked operation between Primary Hard Drive and the standby hard disk automatically.Also can finish blocked operation between described system bootstrap hard disk and the standby hard disk by the manually-operated switching device shifter.Can also select to use which operating system to recover the operating system of faulty hard disk by automatic or manual mode.
Next continue step S7 with reference to accompanying drawing 2 to step S9, the recovery operation of the utility model to the original system guiding hard disk that breaks down is described.After the normal operation by standby hard disk booting computer system, embedded system device 2 carries out system recovery or covering by for example recovery module 25 (as shown in Figure 3) to faulty hard disk.Specific as follows.
Once mentioned as the front, described embedded system device 2 can have the memory device 21 of oneself, be used for storing with described system bootstrap hard disk and or standby hard disk in the corresponding mapping document of operation system of operating system, therefore, embedded system device 2 can utilize in this memory device 21 these mapping document of operation system of storage to come the system in the faulty hard disk is recovered and covers.In addition, can also carry out necessary detection or other possible reparations operation by 2 pairs of these hard disks of embedded system device if desired.
After the system reset of finishing faulty hard disk, the hard disk after embedded system device 2 should recover is set to standby hard disk, waits for hard disk blocked operation (step S8) next time.In order to guarantee that recovering the back hard disk is not subjected to extraneous invasion, embedded system device 2 can disconnect the power supply of this hard disk, to reduce the possibility that hard disk is subjected to external interference greatly.
Like this, under the situation that does not influence the computer system operate as normal, the utility model is restarted at one just makes computer system recover normal in the cycle, and repairs subsequently or recovered faulty hard disk.Thereby compared with prior art, shortened system recovery time.Owing to do not need large-scale or expensive equipment such as magnetic tape station or backup server, just can realize the automatic recovery of system simultaneously, therefore, also further simplify system architecture, reduce cost.
(3) system upgrade
Below will be to how upgrade-system guides the operating system in hard disk, the standby hard disk to be described.
As mentioned above, embedded system device 2 can have network interface or other external apparatus interfaces of oneself, and this just provides hard-wired possibility for system upgrade.Can realize system upgrade by system upgrade module 24 (referring to Fig. 3).Embedded system device 2 can be by network interface or external unit structure etc., from the outside receive with system bootstrap hard disk or standby hard disk relevant system upgrade software package or the data of operating system, thereby the faulty hard disk or the standby hard disk of access embedded system device 2 are upgraded.Concrete updating operation can realize by embedded system device 2 according to the existing conventional technology fully.After with standby hard disk upgrade, can switch back embedded system device 2 from computer system by the system bootstrap hard disk that manual switchover mode (for example switching device shifter such as manual triggers relay) will work, work on and the standby hard disk that will upgrade takes back computer system.Subsequently, memory device by embedded system device 2 or network interface etc. are upgraded to the old system that stores in the original system guiding hard disk after switching.
In order to ensure the consistance of data and the pure property of system, each operating system of storing in preferred at first network interface by special use or the fixing memory device of memory device to embedded system device 2 is upgraded, and then one by one system bootstrap hard disk and standby hard disk are carried out system upgrade, invade in each standby hard disk or memory device of being controlled by embedded system device 2 by department of computer science's bus of unifying to prevent virus etc.
Can also upgrade on other system or equipment by taking out described memory device, this memory device after will upgrading again takes back embedded system device 2, finishes the system upgrade in each hard disk.
Other embodiments
For a person skilled in the art, under the situation that does not break away from protection domain of the present utility model and spirit, can make various improvement or combination to above-mentioned specific embodiment.For example, detection module 22 in the described embedded system device 2, handover module 23, recovery module 25 (as shown in Figure 3), system upgrade module 24 etc., can be designed to one or further be divided into other plurality of modules as required, as long as can finish smoothly or realize that the normal switching of hard disk or operating system is just passable, perhaps even can come to realize respectively or together the function of these modules by the hardware in the routine techniques.
The utility model can be applied to various types of computing machines, as server, home PC, notebook or embedded computer etc.Be preferred for the system recovery of the server in network system etc.
Claims (7)
1. the quick restorer of a computer system is characterized in that, comprises a recovery system, and described recovery system comprises:
Computer system,
Embedded system device,
Be connected unify at least two buses between the embedded system device of described department of computer science,
Insert a plurality of hard disks of described bus, and be connected unify at least one communication line between the embedded system device of described department of computer science, whether normally described embedded system device receives expression computer working related data or information by this communication line at least from described computer system, and when breaking down, computer system sends the instruction of restarting to computer system
Described each hard disk all is separately installed with the required operating system of described computer system, in described a plurality of hard disk one inserts described computer system as the system bootstrap hard disk by bus wherein, other hard disks insert described embedded system device as standby hard disk by bus
When described computer system breaks down, described embedded system device utilizes switching device shifter to disconnect being connected between described system bootstrap hard disk and the described computer system, and described system bootstrap hard disk switched in the described embedded system device, simultaneously, select in the described standby hard disk, and selected standby hard disk is taken back in the described computer system as new system bootstrap hard disk by switching device shifter.
2. equipment as claimed in claim 1, it is characterized in that, self also comprises at least one memory storage wherein said embedded system device, be used for storing at least one the standby hard disk identical operations system image file with described a plurality of hard disks, so that the system in system bootstrap hard disk and other standby hard disks is recovered or covers.
3. equipment as claimed in claim 1 or 2, it is characterized in that, wherein said computer system also comprises at least one data file hard disk, is used for storing specially all or part of data file of described computer system, and makes this data file hard disk insert computer system.
4. equipment as claimed in claim 1 or 2, it is characterized in that, wherein said embedded system device also comprises at least one communication interface or External memory equipment interface, is used for upgrading by the mapping document of operation system that these interfaces are stored the memory storage of described embedded system device.
5. equipment as claimed in claim 3, it is characterized in that, wherein said embedded system device also comprises at least one communication interface or External memory equipment interface, is used for upgrading by the mapping document of operation system that these interfaces are stored the memory storage of described embedded system device.
6. equipment as claimed in claim 4 is characterized in that, wherein said communication port is serial port or network interface, and described switching device shifter is relay or electronic switch.
7. equipment as claimed in claim 5 is characterized in that, wherein said communication port is serial port or network interface, and described switching device shifter is relay or electronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201033277U CN201047943Y (en) | 2007-01-24 | 2007-01-24 | Fast recovery equipment of computer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201033277U CN201047943Y (en) | 2007-01-24 | 2007-01-24 | Fast recovery equipment of computer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201047943Y true CN201047943Y (en) | 2008-04-16 |
Family
ID=39300533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201033277U Expired - Lifetime CN201047943Y (en) | 2007-01-24 | 2007-01-24 | Fast recovery equipment of computer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201047943Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100492305C (en) * | 2007-01-24 | 2009-05-27 | 北京蓝科泰达科技有限公司 | Fast restoration method of computer system and apparatus |
| CN102375518A (en) * | 2010-08-06 | 2012-03-14 | 董建飞 | Device and method for controlling power supplies of hard disks |
| CN104035833A (en) * | 2013-03-07 | 2014-09-10 | 联发科技股份有限公司 | Method And System For Verifying Machine Readable Code Integrity |
| CN105279046A (en) * | 2015-11-04 | 2016-01-27 | 研华科技(中国)有限公司 | Method for improving reliability of embedded system |
-
2007
- 2007-01-24 CN CNU2007201033277U patent/CN201047943Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100492305C (en) * | 2007-01-24 | 2009-05-27 | 北京蓝科泰达科技有限公司 | Fast restoration method of computer system and apparatus |
| CN102375518A (en) * | 2010-08-06 | 2012-03-14 | 董建飞 | Device and method for controlling power supplies of hard disks |
| CN104035833A (en) * | 2013-03-07 | 2014-09-10 | 联发科技股份有限公司 | Method And System For Verifying Machine Readable Code Integrity |
| CN105279046A (en) * | 2015-11-04 | 2016-01-27 | 研华科技(中国)有限公司 | Method for improving reliability of embedded system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100492305C (en) | Fast restoration method of computer system and apparatus | |
| CN100517246C (en) | Computer remote control method and system | |
| CN102880527B (en) | Data recovery method of baseboard management controller | |
| CN102541686B (en) | Method for achieving backup and disaster recovery of system by utilizing virtual machine | |
| US8990632B2 (en) | System for monitoring state information in a multiplex system | |
| CN103488498A (en) | Computer booting method and computer | |
| CN102455950A (en) | Firmware recovery system and method of base board management controller | |
| CN101276297A (en) | Processor system, equipment as well as fault handling method | |
| CN101882097A (en) | Main control board, embedded system and backup method for embedded system | |
| CN104731675A (en) | Intelligent redundancy backup method for BIOS in server system | |
| CN113360347B (en) | Server and control method thereof | |
| CN105242980A (en) | Complementary watchdog system and complementary watchdog monitoring method | |
| CN201047943Y (en) | Fast recovery equipment of computer system | |
| CN103713925A (en) | Method and device for avoiding service interruption of storage array in upgrading process | |
| CN109471670A (en) | Equipment starting method and electronic equipment | |
| CN112380062A (en) | Method and system for rapidly recovering system for multiple times based on system backup point | |
| CN105259863A (en) | PLC warm backup redundancy method and system | |
| CN101207519A (en) | Version server, operation maintenance unit and method for restoring failure | |
| CN105426213A (en) | Software update method and system | |
| CN109768884A (en) | The implementation method of communication system and its high availability, device and computer equipment | |
| CN105653405A (en) | Fault processing method and system of U-boot | |
| CN112153134A (en) | Disaster tolerance drilling method, device, equipment and storage medium of disaster tolerance cloud host | |
| CN100461646C (en) | Method for negat main spare board in communication equipment | |
| CN102508676A (en) | Startup method and device of embedded system | |
| CN101094091A (en) | Device and method of multipoint control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070124 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |