CN111522690A - Data storage device and method for maintaining normal startup operation of data storage device - Google Patents
Data storage device and method for maintaining normal startup operation of data storage device Download PDFInfo
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- CN111522690A CN111522690A CN202010229601.5A CN202010229601A CN111522690A CN 111522690 A CN111522690 A CN 111522690A CN 202010229601 A CN202010229601 A CN 202010229601A CN 111522690 A CN111522690 A CN 111522690A
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- 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
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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 starting sector address, and the second system storage area stores a standby operating system and comprises a second starting sector address; the controller comprises a firmware, wherein the firmware defines a starting pointer displacement program, defaults a starting pointer to a first initial sector address of a first system storage area, and executes starting by using 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 using 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, damage to an operating system is often caused by improper operation, poisoning, or power failure. Before the computer is shipped, a computer manufacturer attaches a recovery disk. The recovery disc contains a recovery 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 recovery disc is easily lost or scratched, so that the recovery procedure of the operating system is often not performed smoothly.
Alternatively, the conventional os restore program can be executed by a miniaturized system. A data storage device inside the computer is divided into an operating system area and a system recovery area. The operating system area stores an operating system, and the system restore area stores a system image file and a miniaturized system (such as 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 mainboard to trigger the restoring function of the operating system. After the recovery function of the operating system is triggered, the BIOS executes the boot by using the system recovery area. After the system restoring area is started, an operator unlocks the system mapping file through the operation of the miniature system and restores the operating system by using the unlocked system mapping file.
When the operating system recovery program is executed by the miniaturized system, the file format of the system image file and the version of the operating system must be able to be parsed by the miniaturized system, otherwise, the system image file cannot be decrypted and the recovery cannot be executed for the operating system. Therefore, the operating system recovery program executed by the miniaturized system is mostly only suitable for the computer with the Microsoft Windows operating system.
Moreover, most operating systems in the current industrial control equipment adopt non-windows operating systems, for example: linux, TinyOS. If the operating system recovery program of the industrial control equipment is executed by the miniaturized system, the software architecture of the miniaturized system must be redesigned according to the version of the operating system adopted by the industrial control equipment, otherwise, the recovery process of the operating system of the industrial control equipment cannot be smoothly completed. In this case, redesigning the miniaturized system will cause much trouble to the software designer of the industrial control equipment.
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, which defines a power-on 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 boot pointer to point to a first start sector address of the first system storage area, and takes the first start sector address as a main start sector address. When the original operating system is normal, the firmware of the controller reads the main start record in the first initial sector address, and executes the starting process of the original operating system by using the main start record in the first initial sector address. When the original operating system fails, the firmware of the controller executes a boot pointer displacement procedure to move the boot pointer from the first initial sector address of the first system storage area to the second initial sector address of the second system storage area, reads the main boot record in the second initial sector address, and executes the boot process of the first standby operating system by using 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 an operating system recovery procedure is defined in a firmware of a controller of the data storage device. When the original operating system in the first system storage area fails, the firmware of the controller executes an operating system recovery program to copy the data of the first standby operating system stored in the data sector in the second system storage area to the data sector in the first system storage area in a sector data copying manner so as to recover the original operating system in the first system storage area. The original operating system is restored by copying the sector data, and the electronic device adopting the Microsoft Windows operating system architecture or the non-Microsoft Windows operating system architecture can easily execute the restoring action of the operating system without analyzing the architecture of the original operating system.
To achieve the above object, the present invention provides a data storage device, comprising: a data storage unit, comprising: a first system storage area storing an original operating system including a first starting sector address; and a second system storage area storing a first standby operating system including a second starting sector address; and a controller, which is connected with the data storage unit and comprises a firmware, wherein the firmware defines a starting pointer displacement program, defaults a starting pointer to a first starting sector address of the first system storage area, and executes starting by using 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 initial sector address of the second system storage area, and executes a boot process by using 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 start pointer displacement program according to the trigger command.
In an embodiment of the 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 sectors at the first start sector address and the data sectors at the second start sector address.
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, and the firmware further defines an operating system recovery program; when the first standby operating system finishes starting up and running, the firmware of the controller executes an operating system restoring program so as 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 further provides a data storage device, comprising: a data storage unit, comprising: a first system storage area storing an original operating system; and a second system storage area storing a standby operating system; and a controller connected with the data storage unit and including a firmware, the firmware defining an operating system recovery program, when the original operating system is damaged, the firmware of the controller executing the operating system recovery program to recover the original operating system of the first system storage area by using the standby operating system of the second system storage area, and then executing boot-up by using the recovered original operating system.
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 recovery program according to the trigger command.
In an 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 recovery procedure.
The invention also 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 and comprises a first starting sector address, the second system storage area stores a first standby operating system and comprises a second starting sector address, the controller comprises a firmware, the firmware defines a startup pointer displacement program, and the firmware of the controller executes the method, the steps of the method comprise: defaulting a starting pointer to a first initial sector address of a first system storage area; executing a starting pointer displacement program when the original operating system is damaged so as to move the starting pointer to a second initial sector address of a second system storage area; reading a host startup record in a second initial sector address of the second system storage area; and executing the starting process of the first standby operating system by using the host starting 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 recovery program, and when the first standby operating system is booted and operated, the firmware executing method of the controller further includes: executing an operating system restoring 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 starting operation of a data storage device, wherein 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 of the controller executes the method, and the steps of the method comprise: 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 using the standby operating system of the second system storage area; and executing the boot by the restored original operating system.
Drawings
FIG. 1 is a schematic structural diagram of a data storage device according to the present invention.
FIG. 2 is a sector diagram of a data storage unit of a data storage device according to an embodiment of the present invention.
FIG. 3 is a sector diagram of a data storage unit of a data storage device according to another embodiment of the present invention.
FIG. 4 is a 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 operations 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-up operation of a data storage device according to another embodiment of the present invention.
Description of the main component symbols:
100 data storage device 11 controller
111 firmware 1111 boot pointer displacement procedure
1113 operating System restore program 13 data storage Unit
130 boot pointer 131 first system storage area
1311 first initial sector Address 1312 Master boot record
132 original operating system 133 second system storage area
1331 second initial sector address 1332 Master Start record
134 first alternate operating system 135 data storage area
136 second standby operating system 137 third system storage area
15 data transfer interface 150 trigger command
17 input/output port 171 trigger key
Detailed Description
Please refer to fig. 1, which 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 can also be a Solid State Disk (Solid State Disk) disposed in an electronic device, such as a computer or an automation equipment, 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 connected to the data storage unit 13, the data transmission interface 15, and the input/output port 17, respectively.
The controller 11 includes a firmware 111. The firmware 111 defines a power-on pointer displacement program 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 a native operating system 132 and includes a first initial sector address 1311. Second system storage area 133 is used to store a first spare operating system 134 and includes a second initial sector address 1331. The data sectors of the first initial sector address 1311 are recorded with a Master Boot Record (MBR) 1312, and the data sectors of the second initial sector address 1331 are 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 to point to the 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 (LBA 0).
When the electronic device is booted (power on), first, according to the direction of the boot indicator 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 executes the boot process of the original operating system 132 with the main boot record 1312. After the original os 132 is normally powered on, the electronic device will operate with the original os 132.
Furthermore, if the original OS 132 fails to boot successfully, the firmware 111 of the controller 11 executes a boot pointer displacement program 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 master boot sector address (LBA 0) is moved to the second initial sector address 1331. Then, 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 of the first standby operating system 134 with the main boot record 1332. After the first standby operating system 134 is normally powered on, the electronic device will operate with the first standby operating system 134.
Herein, when the original operating system 132 fails, the firmware 111 of the controller 11 changes the execution of the boot process from the original operating system 132 in the first system storage area 131 to the first standby operating system 134 in the second system storage area 133 through the displacement of the boot index 130, so as to quickly resume booting of the electronic device by using the first standby operating system 134, thereby enabling the electronic device to continue to operate through the first standby operating system 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 with reference to fig. 1. As shown in fig. 1 and fig. 3, in the present embodiment, the firmware 111 of the controller 11 further defines an operating system recovery program 1113. When the original os 132 fails and cannot be booted successfully, the firmware 111 of the controller 11 executes the os restore program 1113 to restore the original os 132 in the first system storage area 131 by using the first standby os 134 in the second system storage area 133. When the electronic device is restarted, the firmware 111 of the controller 11 executes the boot program by using the restored original operating system 132 again, and executes the operation by using the restored original operating system 132.
Furthermore, the firmware 111 of the controller 11 of the present invention performs the recovery process of the original operating system 132 by copying 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 into the data sector of the first system storage area 131, so as to recover the original operating system 132. In this way, during the restoration process of the original os 132, the version of the original os 132 does not need to be parsed and recognized at all. Thus, the electronic device using the microsoft windows operating system or the non-microsoft windows operating system (such as Linux and TinyOS) can easily execute the recovery operation of the operating system.
Please refer to fig. 4, which is a sector diagram of a data storage unit of a data storage device according to another embodiment of the present invention, and refer to fig. 1. As shown in fig. 1 and fig. 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 displacement program 1111 and an operating system recovery program 1113.
When the original os 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 master boot record 1312 in the first initial sector address 1311 of the first system storage area 131, and executes the boot process of the original os 132 with the master boot record 1312.
On the contrary, when the original operating system 132 fails and the booting process of the first standby operating system 134 cannot be successfully performed, the firmware 111 of the controller 11 executes the boot pointer displacement program 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, set the second initial sector address 1331 as the primary boot sector address (LBA 0), read the primary boot record 1332 in the second initial sector address 1331 of the second system storage area 133, and execute the boot process of the first standby operating system 134 with the primary boot record 1332. Subsequently, when the first backup os 134 has been booted and is running, the firmware 111 of the controller 11 further executes the os restore program 1113 to restore the original os 132 in the first system storage area 131 by using the second backup os 136 in the third system storage area 137. Then, when the electronic device is started next time, the firmware 111 of the controller 11 executes the boot program by using the restored original operating system 132 again, and executes the operation by using the restored original operating system 132.
Referring again to fig. 1, in an 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 software triggered manner. The data storage device 100 of the present invention can be disposed inside the electronic device and electrically connected to a main board of the electronic device. When an input/output system (BIOS) on the motherboard detects a failure of the original operating system 132 of the data storage device 100, a trigger command 150 is issued. When the firmware 111 of the controller 11 receives the trigger command 150 through the data transmission interface 15, the boot pointer shifting program 1111 or the os restoring program 1113 is executed according to the trigger command 150, so that the data storage device 100 can resume normal boot operation.
Alternatively, in another embodiment of the present invention, the present invention can control the firmware 111 of the controller 11 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 user can also press the trigger key 171 to trigger the input/output port 17. When the firmware 111 of the controller 11 determines that the I/O port 17 is triggered, the boot pointer shifting program 1111 or the OS restoring program 1113 is executed to resume the normal boot operation of the data storage device 100.
Please refer to fig. 5, which is a flowchart illustrating a method for maintaining normal booting operation of a data storage device according to an embodiment of the present invention. 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 a primary 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 boot record 1312, and a second initial sector address 1331 of the second system storage area 133 stores another host boot record 1332.
As shown in fig. 5, in step S31, the firmware 111 of the controller 11 presets a boot pointer 130 to point to the first initial sector address 1311 of the first system storage area 131, and sets the first initial sector address 1311 as a master boot sector address. In step S32, when the electronic apparatus is booted, 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 area 131 and executes the boot process with the original operating system 132 in the first system storage area 131.
Step S33, if the original operating system 132 is successfully booted, continue to execute step S34, and the electronic device will operate with the original operating system 132; otherwise, if the original operating system 132 fails to boot, step S35 is executed, the firmware 111 of the controller 11 executes the boot pointer shifting 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 sets the second initial sector address 1331 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 operating system 134 in the second system storage area 133. In step S37, the electronic device is booted by the first standby operating system 134 and then operated 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 is further divided into a third system storage area 137. The third system storage area 137 stores a second standby operating system 136. Subsequently, in step S38, during the operation of the first backup operating system 134, the firmware 111 of the controller 11 executes the operating system restoring program 1113 to restore the original operating system 132 of the first system storage area 131 by using the second backup operating system 136 of the third system storage area 137. Finally, in step S39, when the electronic device is started next time, the firmware 111 of the controller 11 executes the boot process by using the restored original operating system 132 again, and executes the operation by using the restored original operating system 132.
Please refer to fig. 6, which is a flowchart illustrating a method for maintaining normal booting operation of a data storage device according to another embodiment of the present invention. First, steps S31 to S34 in the embodiment of fig. 6 are the same as steps S31 to S34 in the embodiment of fig. 5.
In step S34, when the original os 132 fails to boot, in step S40, the firmware 111 of the controller 11 executes the os restore program 1113 to restore the original os 132 in the first system storage area 131 by using the second standby os 136 in 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 executes the boot process by using the restored original operating system 132 again, and executes the operation by using the restored original operating system 132.
The above description is of the preferred embodiment of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any changes and modifications based on the equivalent changes and simple substitutions of the technical solutions of the present invention are within the protection scope of the present invention without departing from the spirit and scope of the present invention.
Claims (13)
1. A data storage device, comprising:
a data storage unit, comprising:
a first system storage area storing an original operating system including a first starting sector address; and
a second system storage area storing a first spare operating system including a second starting sector address; and
a controller connected to the data storage unit and including a firmware defining a boot pointer displacement program, the firmware presetting a boot pointer to the first start sector address of the first system storage area and executing boot with the original operating system; 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 starting sector address of the second system storage area, and executes a boot process by using the first standby operating system of the second system storage area.
2. The data storage device of claim 1, further comprising a data transmission interface, wherein 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 procedure according to the trigger command.
3. The data storage device of claim 1, wherein the controller is connected to an input/output port, and the firmware of the controller executes the boot pointer displacement procedure when the input/output port is triggered.
4. The data storage device of claim 1, wherein the data sectors of the first start sector address and the data sectors of the second start sector address are recorded with a master boot record, respectively.
5. The data storage device of claim 1, wherein the data storage unit further comprises a third system storage area, the third system storage area storing a second backup operating system, the firmware further defining an operating system recovery procedure; when the first standby operating system is started up and operates, the firmware of the controller executes the 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.
6. A data storage device, comprising:
a data storage unit, comprising:
a first system storage area storing an original operating system; and
a second system storage area storing a standby operating system; and
and the controller is connected with the data storage unit and comprises a firmware, wherein an operating system restoring program is defined in the firmware, when the original operating system is damaged, the firmware of the controller executes the operating system restoring 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 starting up.
7. The data storage device of claim 6, further comprising a data transfer interface, wherein the controller is connected to the data transfer interface, and when the controller receives an external trigger command through the data transfer interface, the firmware of the controller executes the OS restore procedure according to the trigger command.
8. The data storage device of claim 6, wherein the controller is connected to an input/output port, and when the input/output port is triggered, the firmware of the controller executes the os restore procedure.
9. A method for maintaining normal boot operation of a data storage device, the data storage device comprising a data storage unit and a controller, the data storage unit comprising a first system storage area and a second system storage area, the first system storage area storing a primary operating system and including a first start sector address, the second system storage area storing a first backup operating system and including a second start sector address, the controller comprising a firmware, the firmware defining a boot pointer displacement procedure, the firmware of the controller performing the method comprising:
defaulting 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 start sector address of the second system storage area when the original operating system is damaged;
reading a host boot record in the second start sector address of the second system storage area; and
and executing the boot process of the first standby operating system by using the host boot record in the second start sector address of the second system storage area.
10. The method of claim 9, 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.
11. The method of claim 9, wherein the data storage unit further comprises a third system storage area, the third system storage area stores a second backup operating system, the firmware further defines an operating system recovery program, and the step of the controller executing the method by the firmware when the first backup operating system is booted up and running further comprises:
executing the operating system restoring program; and
restoring the original operating system of the first system storage area using the second backup operating system of the third system storage area.
12. A method for maintaining normal boot operation of a data storage device, the data storage device comprising a data storage unit and a controller, the data storage unit comprising a first system storage area and a second system storage area, the first system storage area storing an original operating system, the second system storage area storing a standby operating system, the controller comprising a firmware, the firmware defining an operating system recovery procedure, the firmware of the controller performing the method comprising:
executing the operating system restoring 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 when the original operating system is damaged; and
and executing boot by the restored original operating system.
13. The method of claim 12, further comprising: and controlling the firmware of the controller to execute the operating system restoring program in a software triggering mode or a hardware triggering mode.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
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| CN110750309A (en) * | 2019-09-17 | 2020-02-04 | 宜鼎国际股份有限公司 | System and method capable of remotely controlling electronic equipment |
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| 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 |
| 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 |
| US11768742B2 (en) | 2020-12-03 | 2023-09-26 | Innodisk Corporation | Data storage device and method for maintaining normal boot operation of data storage device |
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