CN111522690B - Data storage device and method for maintaining normal start-up operation of data storage device - Google Patents
Data storage device and method for maintaining normal start-up operation of data storage device Download PDFInfo
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- CN111522690B CN111522690B CN202010229601.5A CN202010229601A CN111522690B CN 111522690 B CN111522690 B CN 111522690B CN 202010229601 A CN202010229601 A CN 202010229601A CN 111522690 B CN111522690 B CN 111522690B
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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
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1417—Boot up procedures
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Abstract
The invention provides a data storage device and a method for maintaining normal startup operation of the data storage device, wherein the data storage device comprises a controller and a data storage unit, and the data storage unit comprises a first system storage area and a second system storage area; the first system storage area stores an original operating system and comprises a first initial sector address, and the second system storage area stores a standby operating system and comprises a second initial sector address; the controller comprises a firmware, the firmware defines a boot pointer displacement program, the firmware defaults a boot pointer to point to a first starting sector address of a first system storage area, and the boot is executed by an original operating system; when the original operating system is damaged, the firmware of the controller executes a boot pointer displacement program to move the boot pointer to the second starting sector address, and executes boot by the standby operating system of the second system storage area. Accordingly, the electronic device can continue to operate when the original operating system fails.
Description
Technical Field
The invention relates to a data storage device and a method for maintaining normal startup operation of the data storage device.
Background
When a computer is used, the operating system is often damaged due to improper operation, poisoning or power failure. In the past, before the computer is shipped, a computer manufacturer attaches a recovery disk. The restore disc includes a restore file of an operating system (e.g., an image file of the operating system). When the operating system of the computer is damaged, the user can execute a restoring program of the operating system by restoring the restoring file of the optical disc. However, the optical disc is easily lost or scratched, so that the recovery procedure of the operating system is often not successfully performed.
Alternatively, the conventional operating system restore process may be performed by a miniaturized system. A data storage device inside the computer is cut into an operating system area and a system restoration area. The OS region stores an OS, and the system restore region stores a system image file and a miniaturized system (e.g. Windows PE). When the user wants to execute the operating system restoring program of the computer, the user presses a restoring key electrically connected with the main board to trigger the restoring function of the operating system. After the os restore function is triggered, the BIOS executes boot-up using the system restore area. After the system restoration area is started, an operator unlocks the system image file through the operation of the miniaturized system, and restores the operating system by using the unlocked system image file.
The operating system restore program is executed by the miniaturized system, and the file format of the system image file and the version of the operating system must be able to be resolved by the miniaturized system, otherwise, the system image file cannot be untwisted and the restore cannot be executed for the operating system. Therefore, operating system restore procedures executed in a miniaturized system are mostly suitable for use only on the computer of the microsoft windows operating system.
Furthermore, currently, the operating systems in industrial control devices are usually non-windows operating systems, for example: linux, tinyOS. If the operating system restoration program of the industrial control equipment is executed by the miniature system, the software architecture of the miniature system needs to be redesigned according to the version of the operating system adopted by the industrial control equipment, otherwise, the restoration flow of the operating system of the industrial control equipment cannot be successfully completed. Here, redesigning the miniaturized system will cause a lot of trouble for the software designer of the industrial control device.
Disclosure of Invention
An objective of the present invention is to provide a data storage device, which can be disposed in an electronic device and includes a controller and a data storage unit. The controller includes a firmware defining a boot pointer displacement procedure. The data storage unit comprises a first system storage area for storing an original operating system and a second system storage area for storing a first standby operating system. The firmware of the controller presets a starting pointer to point to a first starting sector address of the first system storage area, and takes the first starting sector address as a main starting sector address. When the original operating system is normal, the firmware of the controller reads the main startup record in the first initial sector address, and executes the startup flow of the original operating system by using the main startup record in the first initial sector address. When the original operating system fails, the firmware of the controller executes a boot pointer displacement program to move the boot pointer from a first initial sector address of the first system storage area to a second initial sector address of the second system storage area, reads a main boot record in the second initial sector address, and executes a boot flow of the first standby operating system according to the main boot record in the second initial sector address. Therefore, when the original operating system fails, the first standby operating system can be utilized to quickly recover the startup of the electronic device, so that the electronic device can continue to operate through the first standby operating system.
An objective of the present invention is to provide a data storage device, wherein a firmware of a controller of the data storage device defines an operating system restore procedure. When the original operating system in the first system storage area fails, the firmware of the controller executes an operating system restoring program to copy the data of the first standby operating system stored in the data sector of the second system storage area into the data sector of the first system storage area in a manner of copying the data of the sector so as to restore the original operating system in the first system storage area. And restoring the original operating system in a mode of copying the sector data, and completely without analyzing the architecture of the original operating system, the electronic device adopting the Microsoft windows operating system architecture or adopting the non-Microsoft windows operating system architecture can easily execute the restoring action of the operating system.
In order to achieve the above object, the present invention provides a data storage device, comprising: a data storage unit comprising: a first system storage area for storing an original operating system including a first start sector address; and a second system storage area for storing a first standby operating system including a second start sector address; the controller is connected with the data storage unit and comprises a firmware, the firmware defines a boot pointer displacement program, the firmware defaults a boot pointer to point to a first starting sector address of the first system storage area, and the boot is executed by an original operating system; when the original operating system is damaged, the firmware of the controller executes a boot pointer displacement program to move the boot pointer to a second initial sector address of the second system storage area, and executes a boot process by the first standby operating system of the second system storage area.
In an embodiment of the invention, the data storage device further includes a data transmission interface, the controller is connected to the data transmission interface, and when the controller receives an external trigger command through the data transmission interface, the firmware of the controller executes the boot pointer displacement program according to the trigger command.
In one embodiment of the present invention, the controller is connected to an input/output port, and when the input/output port is triggered, the firmware of the controller executes the boot pointer displacement procedure.
In an embodiment of the present invention, a main start record is recorded in each of the data sector of the first start sector address and the data sector of the second start sector address.
In an embodiment of the present invention, the data storage unit further includes a third system storage area, wherein the third system storage area stores a second standby operating system, and the firmware further defines an operating system restore program; when the first standby operating system is started and operates, the firmware of the controller executes an operating system restoring program to restore the original operating system of the first system storage area by using the second standby operating system of the third system storage area.
The present invention also provides a data storage device, comprising: a data storage unit comprising: a first system storage area for storing an original operating system; and a second system storage area for storing a standby operating system; and the controller is connected with the data storage unit and comprises a firmware, the firmware defines an operating system restoration program, when the original operating system is damaged, the firmware of the controller executes the operating system restoration program to restore the original operating system of the first system storage area by using the standby operating system of the second system storage area, and then the restored original operating system is used for executing startup.
In an embodiment of the invention, the data storage device further includes a data transmission interface, the controller is connected to the data transmission interface, and when the controller receives an external trigger command through the data transmission interface, the firmware of the controller executes the operating system restore program according to the trigger command.
In one embodiment of the present invention, the controller is connected to an input/output port, and when the input/output port is triggered, the firmware of the controller executes the operating system restore procedure.
The invention also provides a method for maintaining normal start-up operation of a data storage device, the data storage device comprises a data storage unit and a controller, the data storage unit comprises a first system storage area and a second system storage area, the first system storage area stores an original operating system and comprises a first initial sector address, the second system storage area stores a first standby operating system and comprises a second initial sector address, the controller comprises a firmware, the firmware defines a start-up pointer displacement program, and the firmware executing method of the controller comprises the following steps: default a boot pointer to point to a first start sector address of the first system storage area; executing a boot pointer displacement program when the original operating system is damaged so as to move the boot pointer to a second initial sector address of a second system storage area; reading a host start record in a second initial sector address of the second system storage area; and executing the startup flow of the first standby operating system by using the host startup record in the second initial sector address of the second system storage area.
In an embodiment of the present invention, the data storage unit further includes a third system storage area, the third system storage area stores a second standby operating system, the firmware further defines an operating system restore program, and when the first standby operating system completes the startup and the operation, the firmware executing method of the controller further includes the steps of: executing an operating system restore program; and restoring the original operating system of the first system storage area by using the second standby operating system of the third system storage area.
The invention provides a method for maintaining normal startup operation of a data storage device, the data storage device comprises a data storage unit and a controller, the data storage unit comprises a first system storage area and a second system storage area, the first system storage area stores an original operating system, the second system storage area stores a standby operating system, the controller comprises a firmware, the firmware defines an operating system restoring program, and the firmware executing method of the controller comprises the following steps: executing an operating system restoring program when the original operating system is damaged so as to restore the original operating system of the first system storage area by utilizing the standby operating system of the second system storage area; and executing starting up by the restored original operating system.
Drawings
FIG. 1 is a schematic diagram of a data storage device according to the present invention.
FIG. 2 is a schematic sector diagram of an embodiment of a data storage unit of the data storage device of the present invention.
FIG. 3 is a schematic sector diagram of a data storage unit of a data storage device according to another embodiment of the present invention.
FIG. 4 is a schematic sector diagram of a data storage unit of a data storage device according to another embodiment of the present invention.
FIG. 5 is a flowchart illustrating a method for maintaining normal boot operation of a data storage device according to an embodiment of the present invention.
FIG. 6 is a flowchart illustrating a method for maintaining normal boot operation of a data storage device according to another embodiment of the present invention.
Description of main reference numerals:
100 data storage device 11 controller
111 firmware 1111 boot pointer shift procedure
1113 operating System restore program 13 data storage Unit
130 boot pointer 131 first system storage area
1311 first initial sector address 1312 Main Start record
132 original operating system 133 second system storage area
1331 second initial sector address 1332 Main Start record
134 first alternate operating system 135 data storage area
136 second alternate operating System 137 third System storage area
15 data transfer interface 150 trigger command
17I/O port 171 trigger key
Detailed Description
Fig. 1 is a schematic structural diagram of a data storage device according to the present invention, and fig. 2 is a schematic sector diagram of an embodiment of a data storage unit of the data storage device according to the present invention. As shown in fig. 1, the data storage device 100 of the present invention may also be a Solid State Disk (Solid State Disk) disposed in an electronic device, such as a computer or an automation device, as a storage medium of the electronic device. The data storage device 100 includes a controller 11, a data storage unit 13, a data transmission interface 15 and an input/output port 17. The controller 11 is respectively connected with the data storage unit 13, the data transmission interface 15 and the input/output port 17.
The controller 11 includes a firmware 111. The firmware 111 defines a boot pointer shift process 1111. The data storage unit 13 includes a plurality of flash memories formed with a plurality of data sectors. As shown in fig. 2, the firmware 111 of the controller 11 divides the data sector of the data storage unit 13 into a first system storage area 131, a second system storage area 133 and a data storage area 135. The first system storage area 131 is used for storing an original operating system 132, and includes a first initial sector address 1311. The second system storage area 133 is for storing a first spare operating system 134 and includes a second initial sector address 1331. The data sector of the first initial sector address 1311 is recorded with a master boot record (Master Boot Record; MBR) 1312, while the data sector of the second initial sector address 1331 is recorded with another Master Boot Record (MBR) 1332. In an embodiment of the present invention, the firmware 111 of the controller 11 presets a boot pointer 130 pointing to a first start sector address 1311 of the first system storage area 131, and uses the first start sector address 1311 as a main start sector address, for example: the zeroth logical block address (Logical block addressing, LBA 0).
When the electronic device is started (power on), first, according to the direction of the boot pointer 130, the firmware 111 of the controller 11 enters the first system storage area 131 of the data storage unit 13, reads the main boot record 1312 in the first initial sector address 1311 of the first system storage area 131, and uses the main boot record 1312 to execute the boot process of the original operating system 132. After the original operating system 132 is powered on normally, the electronic device will perform operations with the original operating system 132.
Furthermore, if the original operating system 132 fails and the boot cannot be successfully started, the firmware 111 of the controller 11 will execute the boot pointer shift procedure 1111 to shift the boot pointer 130 from the first initial sector address 1311 of the first system storage area 131 to the second initial sector address 1331 of the second system storage area 133, and the main boot sector address (LBA 0) is shifted to the second initial sector address 1331. Then, the firmware 111 of the controller 11 reads the primary boot record 1332 in the second initial sector address 1331 of the second system storage area 133, and uses the primary boot record 1332 to execute the boot process of the first standby operating system 134. After the first standby operating system 134 is powered on normally, the electronic device will execute the operation with the first standby operating system 134.
When the original os 132 fails, the firmware 111 of the controller 11 changes the execution of the boot process from the original os 132 of the first system storage area 131 to the first standby os 134 of the second system storage area 133 through the displacement of the boot pointer 130, so that the electronic device can be quickly powered on by the first standby os 134, and further the electronic device can continue to operate through the first standby os 134.
Referring to FIG. 3, a sector diagram of a data storage unit of a data storage device according to another embodiment of the present invention is shown in FIG. 1. As shown in fig. 1 and 3, in the present embodiment, the firmware 111 of the controller 11 further defines an os restore program 1113. When the original operating system 132 fails and is not successfully booted, the firmware 111 of the controller 11 executes the operating system restore program 1113 to restore the original operating system 132 of the first system storage area 131 by using the first standby operating system 134 of the second system storage area 133. When the electronic device is restarted, the firmware 111 of the controller 11 again uses the restored original operating system 132 to execute the boot program, and uses the restored original operating system 132 to execute the operation.
In addition, the firmware 111 of the controller 11 performs a restoration process of the original operating system 132 by copying the sector data, and copies the data of the first standby operating system 134 stored in the data sector of the second system storage area 133 to the data sector of the first system storage area 131 so as to restore the original operating system 132. In this way, the version of the original operating system 132 need not be parsed or recognized at all during the restoration process of the original operating system 132. Thus, the electronic device using the Microsoft windows operating system or the non-Microsoft windows operating system (such as Linux, tinyOS) can easily execute the restoring action of the operating system.
Referring to FIG. 4, a sector diagram of a data storage unit of a data storage device according to another embodiment of the present invention is shown, and in conjunction with FIG. 1. As shown in fig. 1 and 4, the data storage unit 13 of the present embodiment is further divided into a third system storage area 137. The third system storage area 137 is used for storing a second standby operating system 136. In the present embodiment, the third system storage area 137 is a non-writable read-only area. The firmware 111 of the controller 11 defines a boot pointer shift program 1111 and an os restore program 1113.
When the original operating system 132 is normal, the firmware 111 of the controller 11 enters the first system storage area 131 of the data storage unit 13 according to the direction of the boot pointer 130, reads the main boot record 1312 in the first initial sector address 1311 of the first system storage area 131, and uses the main boot record 1312 to execute the boot process of the original operating system 132.
On the contrary, when the original os 132 fails and the power-on cannot be successfully performed, the firmware 111 of the controller 11 executes the power-on pointer shift procedure 1111 to shift the power-on pointer 130 from the first initial sector address 1311 of the first system storage area 131 to the second initial sector address 1331 of the second system storage area 133, sets the second initial sector address 1331 as the primary boot sector address (LBA 0), reads the primary boot record 1332 in the second initial sector address 1331 of the second system storage area 133, and uses the primary boot record 1332 to execute the power-on procedure of the first standby os 134. Then, when the first standby os 134 has completed booting and is running, the firmware 111 of the controller 11 further executes the os restore process 1113 to restore the original os 132 of the first system storage 131 by using the second standby os 136 of the third system storage 137. Then, when the electronic device is started next time, the firmware 111 of the controller 11 again uses the restored original operating system 132 to execute the boot program, and uses the restored original operating system 132 to execute the operation.
Referring to fig. 1 again, in an embodiment of the present invention, the firmware 111 of the controller 11 can be controlled to execute the boot pointer shift program 1111 or the os restore program 1113 in a software triggering manner. The data storage device 100 of the present invention may be disposed inside the electronic device and electrically connected to a motherboard of the electronic device. When an input/output system (BIOS) on the motherboard detects corruption of the original operating system 132 of the data storage device 100, a trigger command 150 is issued. After the firmware 111 of the controller 11 receives the trigger command 150 through the data transmission interface 15, the boot pointer shift program 1111 or the os restore program 1113 is executed according to the trigger command 150, so that the data storage device 100 can resume the normal boot operation.
Alternatively, in another embodiment of the present invention, the firmware 111 of the controller 11 can be controlled to execute the boot pointer displacement program 1111 or the os restore program 1113 in a hardware triggered manner. The input/output port 17 is connected to a trigger key 171. When the user of the data storage device 100 knows that the original operating system 132 of the data storage device 100 is damaged, the input/output port 17 is triggered by pressing the trigger key 171. When the firmware 111 of the controller 11 determines that the input/output port 17 is triggered, the boot pointer shift process 1111 or the os restore process 1113 is executed, so that the data storage device 100 can resume normal boot operation.
Referring to fig. 5, a flowchart of a method for maintaining normal power-on operation of a data storage device according to an embodiment of the invention is shown. The data storage unit 13 of the data storage device 100 is divided into a first system storage area 131, a second system storage area 133 and a data storage area 135. The first system storage area 131 stores an original operating system 132, and the second system storage area 133 stores a first standby operating system 134. A first initial sector address 1311 of the first system storage area 131 stores a host start-up record 1312, and a second initial sector address 1331 of the second system storage area 133 stores another host start-up record 1332.
As shown in fig. 5, first, in step S31, the firmware 111 of the controller 11 presets a boot pointer 130 to point to a first initial sector address 1311 of the first system storage area 131, and sets the first initial sector address 1311 as a main boot sector address. In step S32, when the electronic device is started, the firmware 111 of the controller 11 reads the main boot record 1312 in the first initial sector address 1311 of the first system storage 131, and executes the boot process with the original os 132 in the first system storage 131.
Step S33, if the original operating system 132 is successfully booted, the step S34 is continued, and the electronic device operates with the original operating system 132; otherwise, if the original os 132 fails to boot, step S35 is performed, the firmware 111 of the controller 11 executes the boot pointer displacement procedure 1111 to move the boot pointer 130 from the first initial sector address 1311 of the first system storage area 131 to the second initial sector address 1331 of the second system storage area 133, and the second initial sector address 1331 is set as the main boot sector address. Next, in step S36, the firmware 111 of the controller 11 reads the main boot record 1332 in the second initial sector address 1331 of the second system storage area 133, and executes the boot process with the first standby os 134 in the second system storage area 133. In step S37, after the electronic device is powered on by the first standby operating system 134, the electronic device executes operations by the first standby operating system 134.
In another embodiment of the present invention, the data storage unit 13 of the data storage device 100 further defines a third system storage area 137. The third system storage area 137 stores a second spare operating system 136. Next, in step S38, during the operation of the first standby os 134, the firmware 111 of the controller 11 executes the os restore process 1113 to restore the original os 132 of the first system storage 131 by using the second standby os 136 of the third system storage 137. Finally, in step S39, when the electronic device is started next time, the firmware 111 of the controller 11 performs the booting process again by using the restored original operating system 132, and performs the operation by using the restored original operating system 132.
Referring to fig. 6, a flowchart of a method for maintaining a normal boot operation of a data storage device according to another embodiment of the present invention is shown. First, steps S31 to S34 of the embodiment of fig. 6 are identical to steps S31 to S34 of the embodiment of fig. 5.
In step S34, when the original os 132 fails to boot, step S40 is performed, and the firmware 111 of the controller 11 executes the os restore process 1113 to restore the original os 132 of the first system storage area 131 by using the second standby os 136 of the third system storage area 137. Finally, in step S41, when the electronic device is started next time, the firmware 111 of the controller 11 performs the booting process again by using the restored original operating system 132, and performs the operation by using the restored original operating system 132.
The foregoing is a description of the preferred embodiments of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any modifications, equivalent changes, simple substitutions and the like based on the technical scheme of the present invention can be made without departing from the spirit and scope of the present invention.
Claims (6)
1. A data storage device, comprising:
a data storage unit comprising:
a first system storage area for storing an original operating system including a first start sector address; a kind of electronic device with high-pressure air-conditioning system
A second system storage area for storing a first standby operating system including a second start sector address; a kind of electronic device with high-pressure air-conditioning system
The controller is connected with the data storage unit and comprises a firmware, the firmware defines a boot pointer displacement program, the firmware presets a boot pointer to point to the first start sector address of the first system storage area, and the original operating system executes boot; when the original operating system is damaged, the firmware of the controller executes the boot pointer displacement program to move the boot pointer to the second initial sector address of the second system storage area, and executes a boot process by the first standby operating system of the second system storage area;
the data storage unit further comprises a third system storage area, wherein the third system storage area stores a second standby operating system, and the firmware further defines an operating system restore program; when the first standby operating system is started and operates, the firmware of the controller executes the operating system restoring program in a mode of copying sector data, and copies the data of the second standby operating system stored in the data sector of the third system storage area into the data sector of the first system storage area so as to restore the original operating system of the first system storage area.
2. The data storage device of claim 1, further comprising a data transmission interface, wherein the controller is coupled to the data transmission interface, and wherein when the controller receives an external trigger command via the data transmission interface, the firmware of the controller executes the boot pointer displacement procedure according to the trigger command.
3. The data storage device of claim 1, wherein the controller is coupled to an input/output port, the firmware of the controller executing the boot pointer displacement procedure when the input/output port is triggered.
4. The data storage device of claim 1, wherein the data sector of the first starting sector address and the data sector of the second starting sector address are each recorded with a master boot record.
5. The method for maintaining normal start-up operation of the data storage device is characterized in that the data storage device comprises a data storage unit and a controller, the data storage unit comprises a first system storage area and a second system storage area, the first system storage area stores an original operating system and comprises a first initial sector address, the second system storage area stores a first standby operating system and comprises a second initial sector address, the controller comprises a firmware, the firmware defines a start-up pointer displacement program, and the firmware of the controller executes the steps of the method comprising:
default a boot pointer to the first starting sector address of the first system storage area;
executing the boot pointer displacement program to move the boot pointer to the second starting sector address of the second system storage area when the original operating system is damaged;
reading a host start record in the second start sector address of the second system storage area; a kind of electronic device with high-pressure air-conditioning system
Executing the startup flow of the first standby operating system by using the host startup record in the second initial sector address of the second system storage area;
the data storage unit further includes a third system storage area, the third system storage area stores a second standby operating system, the firmware further defines an operating system restore program, and when the first standby operating system is started and operated, the firmware of the controller executes the method further includes:
executing the operating system restore program in a manner that replicates the sector data; a kind of electronic device with high-pressure air-conditioning system
Copying the data of the second standby operating system stored in the data sector of the third system storage area into the data sector of the first system storage area so as to restore the original operating system of the first system storage area.
6. The method as recited in claim 5, further comprising:
and controlling the firmware of the controller to execute the starting pointer displacement program in a software triggering mode or a hardware triggering mode.
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| TWI808362B (en) * | 2020-12-03 | 2023-07-11 | 宜鼎國際股份有限公司 | Computer system and method capable of self-monitoring and restoring an operation of operating system |
| TWI765443B (en) * | 2020-12-03 | 2022-05-21 | 宜鼎國際股份有限公司 | Data storage device and method for maintaining normal boot operation of data storage device |
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