CN102495773B - System and method for real-time equipment driving restoration - Google Patents
System and method for real-time equipment driving restoration Download PDFInfo
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- CN102495773B CN102495773B CN 201110382083 CN201110382083A CN102495773B CN 102495773 B CN102495773 B CN 102495773B CN 201110382083 CN201110382083 CN 201110382083 CN 201110382083 A CN201110382083 A CN 201110382083A CN 102495773 B CN102495773 B CN 102495773B
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- 238000004088 simulation Methods 0.000 claims abstract description 7
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- 238000011084 recovery Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
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Abstract
The invention discloses a system and method for real-time equipment driving restoration, and relates to the field of operating systems. The system comprises a control module, a backup driving module and a simulation equipment module, wherein the control module is connected with a normal driver and the backup driving module, and is used for managing the normal driver, the backup driving module and the simulation equipment module; the backup driving module is used for backing up the motions of the normal driver; and the simulation equipment module is connected with the backup driving module, and is used for simulating hardware equipment connected with the normal driver. According to the system and method, through the cooperation of the control module, the backup driving module and the simulation equipment module, the driving can be replaced and restored in time when the normal drivers fails, thus the reliability of real-time equipment driving is improved and the integral reliability of real-time equipment is further improved.
Description
Technical field
The present invention relates to the operation system technology field, particularly a kind of real-time device drives recovery system and method.
Background technology
Reliability is an important goal of operating system.The inefficacy of Windows XP operating system 85% is caused by device drives.The frequency that the (SuSE) Linux OS device drives lost efficacy is more than 3-7 times of other parts.Real-time device is widely used in the fields such as Aero-Space, medical treatment.Real-time device drives to break down and may cause imponderable loss, and therefore, the reliability that improves the real-time device driving is significant.
Summary of the invention
The technical matters that (one) will solve
The technical problem to be solved in the present invention is: how to provide a kind of real-time device to drive recovery system and method, in order to improve the reliability that real-time device drives, and then improve the reliability of real-time device integral body.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of real-time device and drive recovery system, it comprises: control module, backup driver module and analog machine module; Described control module connects driven and described backup driver module, is used for managing described driven, backup driver module and analog machine module; Described backup driver module is used for the behavior of described driven is backed up; Described analog machine module connects described backup driver module, is used for the hardware device that simulation is connected with described driven.
Preferably, described control module is the attended operation system kernel also, and described control module is also for the message exchange that realizes between described operating system nucleus and driven.
The present invention also provides a kind of real-time device to drive restoration methods, and it comprises step:
B: control module sends to driven and backup driver module simultaneously and orders and receive rreturn value, judges according to the rreturn value of described driven whether described driven breaks down, if so, and execution in step C; Otherwise, the rreturn value of described driven is sent to operating system nucleus;
C: it is out of service that described control module is controlled described driven, described backup driver module switched on hardware device move, and controls described analog machine module out of service;
D: described control module is recovered described driven, and the described driven of controlling after recovering is moved on described analog machine module.
Preferably, also comprised steps A before described step B: described control module is carried out initialization to described driven and backup driver module simultaneously.
5, method as claimed in claim 3, is characterized in that, described step B specifically comprises step:
B1: described control module after obtaining described order from described operating system nucleus copies described order, and a copy of it sends to described driven, and another part sends to described backup driver module simultaneously;
B2: described control module receives the rreturn value of described driven and backup driver module, does not do disposal for the rreturn value of described backup driver module; According to the rreturn value of described driven, judge whether described driven breaks down, if so, carry out described step C; Otherwise, the rreturn value of described driven is sent to described operating system nucleus.
Preferably, described step C specifically comprises step:
C1: it is out of service that described control module is controlled described driven, no longer sends order to described driven;
C2: described control module changes the parameter of described backup driver module, and described backup driver module is moved on described hardware device;
C3: it is out of service that described control module is controlled described analog machine module.
Preferably, described step D specifically comprises step:
D1: described control module adopts the mode that restarts described driven, perhaps according to the mode of the described driven of described backup driver module correction, recovers described driven;
D2: described control module changes the parameter of described driven, and described driven is moved on described analog machine module.
(3) beneficial effect
Real-time device of the present invention drives recovery system and method, cooperation by described control module, backup driver module and analog machine module, when described driven breaks down, can in time replace and recover, improve the reliability that real-time device drives, and then improved the reliability of real-time device integral body.
Description of drawings
Fig. 1 is that the described real-time device of the embodiment of the present invention drives recovery system modular structure schematic diagram;
Fig. 2 is that the described real-time device of the embodiment of the present invention drives the restoration methods process flow diagram.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Fig. 1 is that the described real-time device of the embodiment of the present invention drives recovery system modular structure schematic diagram.As shown in Figure 1, described system comprises: control module 200, backup driver module 300 and analog machine module 400, i.e. dotted line institute region in Fig. 1.Described control module 200 connects driven 500 and described backup driver module 300, is used for managing described driven 500, backup driver module 300 and analog machine module 400; Described backup driver module 300 is used for the behavior of described driven 500 is backed up; Described analog machine module 400 connects described backup driver module 300, is used for the hardware device 600 that simulation is connected with described driven 500.Described control module 200 is attended operation system kernel 100 also, and described control module 200 is also for the message exchange that realizes between described operating system nucleus 200 and driven 500.
Fig. 2 is that the described real-time device of the embodiment of the present invention drives the restoration methods process flow diagram.As shown in Figure 2, described method comprises step:
Steps A: described control module 200 is carried out initialization to described driven 500 and backup driver module 300 simultaneously.
Step B: described control module 200 sends to described driven 500 and backup driver module 300 simultaneously and orders and receive rreturn value, judges according to the rreturn value of described driven 500 whether described driven 500 breaks down, if so, and execution in step C; Otherwise, the rreturn value of described driven 500 is sent to operating system nucleus 100.
Described step B specifically comprises:
Step B1: after described control module 200 receives the described order of described operating system nucleus 100, described order is copied, a copy of it sends to described driven 500, and another part sends to described backup driver module 300 simultaneously.
Step B2: described control module 200 receives the rreturn value of described driven 500 and backup driver module 300, does not do disposal for the rreturn value of described backup driver module 300; According to the rreturn value of described driven 500, judge that whether described driven 500 breaks down, and if so, carries out described step C; Otherwise, the rreturn value of described driven 500 is sent to described operating system nucleus 100.
Step C: it is out of service that described control module 100 is controlled described driven 500, and described backup driver module 300 is switched to operation on hardware device 600, controls described analog machine module 400 out of service.
Described step C specifically comprises step:
Step C1: it is out of service that described control module 200 is controlled described driven 500, no longer sends order to described driven 500.
Step C2: described control module 200 changes the parameter of described backup driver module 300, and described backup driver module 300 is moved on described hardware device 600.
Step C3: it is out of service that described control module 200 is controlled described analog machine module 400.
Step D: described control module 200 is recovered described driven 500, and the described driven 500 of controlling after recovering is moved on described analog machine module 400.
Described step D specifically comprises step:
Step D1: described control module 200 adopts the mode that restarts described driven 500, perhaps revises the mode of described driven 500 according to described backup driver module 300, recovers described driven 500.
Step D2: described control module 200 changes the parameter of described driven 500, and described driven 500 is moved on described analog machine module 400.At this moment, described driven 500 and backup driver module 300 are completed role exchange one time, and namely described driven 500 begins to serve as the role that backup drives.
The described real-time device of the embodiment of the present invention drives recovery system and method, cooperation by described control module, backup driver module and analog machine module, when described driven breaks down, can in time replace and recover, improve the reliability that real-time device drives, and then improved the reliability of real-time device integral body.
Above embodiment only is used for explanation the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (5)
1. a real-time device drives restoration methods, it is characterized in that, comprises step:
B: control module sends to driven and backup driver module simultaneously and orders and receive rreturn value, judges according to the rreturn value of described driven whether described driven breaks down, if so, and execution in step C; Otherwise, the rreturn value of described driven is sent to operating system nucleus;
C: it is out of service that described control module is controlled described driven, described backup driver module switched on hardware device move, and the control simulation EM equipment module is out of service;
D: described control module is recovered described driven, and the described driven of controlling after recovering is moved on described analog machine module.
2. the method for claim 1, is characterized in that, also comprised steps A before described step B: described control module is carried out initialization to described driven and backup driver module simultaneously.
3. the method for claim 1, is characterized in that, described step B specifically comprises step:
B1: described control module after obtaining described order from described operating system nucleus copies described order, and a copy of it sends to described driven, and another part sends to described backup driver module simultaneously;
B2: described control module receives the rreturn value of described driven and backup driver module, does not do disposal for the rreturn value of described backup driver module; According to the rreturn value of described driven, judge whether described driven breaks down, if so, carry out described step C; Otherwise, the rreturn value of described driven is sent to described operating system nucleus.
4. the method for claim 1, is characterized in that, described step C specifically comprises step:
C1: it is out of service that described control module is controlled described driven, no longer sends order to described driven;
C2: described control module changes the parameter of described backup driver module, and described backup driver module is moved on described hardware device;
C3: it is out of service that described control module is controlled described analog machine module.
5. the method for claim 1, is characterized in that, described step D specifically comprises step:
D1: described control module adopts the mode that restarts described driven, perhaps according to the mode of the described driven of described backup driver module correction, recovers described driven;
D2: described control module changes the parameter of described driven, and described driven is moved on described analog machine module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110382083 CN102495773B (en) | 2011-11-25 | 2011-11-25 | System and method for real-time equipment driving restoration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110382083 CN102495773B (en) | 2011-11-25 | 2011-11-25 | System and method for real-time equipment driving restoration |
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| CN102495773A CN102495773A (en) | 2012-06-13 |
| CN102495773B true CN102495773B (en) | 2013-06-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7373433B2 (en) * | 2004-10-22 | 2008-05-13 | International Business Machines Corporation | Apparatus and method to provide failover protection in an information storage and retrieval system |
| US20070038891A1 (en) * | 2005-08-12 | 2007-02-15 | Stratus Technologies Bermuda Ltd. | Hardware checkpointing system |
| CN101059768B (en) * | 2006-04-17 | 2011-01-05 | 北京软通科技有限责任公司 | System and method for implementing operating system standby |
| JP4448878B2 (en) * | 2007-12-06 | 2010-04-14 | 株式会社日立製作所 | How to set up a disaster recovery environment |
| CN102841825B (en) * | 2011-06-23 | 2014-11-05 | 珠海市君天电子科技有限公司 | Drive backup method and device and drive restoration method and device |
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