CN110989927A - Data storage device with self-access file data capability - Google Patents
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- 238000013500 data storage Methods 0.000 title claims abstract description 144
- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- 230000015654 memory Effects 0.000 claims abstract description 35
- 238000007726 management method Methods 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 9
- 230000008439 repair process Effects 0.000 claims description 7
- 230000036541 health Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
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- 239000007787 solid Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/061—Improving I/O performance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0643—Management of files
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
- G06F3/0688—Non-volatile semiconductor memory arrays
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Abstract
The invention provides a data storage device, which comprises a data storage unit and a microprocessor, wherein the data storage unit comprises a controller and a plurality of flash memories, the microprocessor is provided with an operating system and is connected with the data storage unit through a data transmission interface, the operating system is provided with a file system and a driving program of the data transmission interface, the operating system of the microprocessor executes a data access operation on the data storage unit through the driving program of the data transmission interface so as to obtain original data, the file system in the operating system executes a file analysis program on the original data so as to analyze a file information of the original data, and the operating system is arranged in the microprocessor of the data storage device so that the data storage device can access the file data of the flash memories by self.
Description
Technical Field
The present invention relates to a data storage device, and more particularly, to a data storage device with self-access file data capability.
Background
With the demand of data storage, a Solid State Drive (SSD) is often used by a host to store important data. Fig. 1 is a schematic structural diagram of a conventional data storage device. As shown in fig. 1, the conventional data storage device 10 includes a controller 11, a plurality of flash memories 13 and a data transmission interface 15. The controller 11 is connected to the flash memory 13 and the data transmission interface 15.
The data storage device 10 is connected to a host 20 through the data transmission interface 15. The data transmission interface 15 is a data transmission interface of a standard specification commonly used by an operating system, such as a data transmission interface conforming to the SATA or PCIe standard specification. When the operating system 21 of the host 20 intends to access data from the data storage device 10, an access command (e.g., a read/write command) is sent to the data storage device 10 via a data transmission interface driver 23 (e.g., SATA or PCIe driver), and the controller 11 of the data storage device 10 receives the access command and accesses the data from the flash memory 13.
The operating system 21 of the host 20 is typically provided with a file system 22, which is a subsystem of the operating system. The file system 22 stores data in the data storage device 10 in the form of a file or reads data from the data storage device 10 in the form of a file. When the operating system 21 of the host 20 accesses data from the data storage device 10, the accessed data is in the form of raw data (raw data), and the operating system 21 performs a file information analysis on the accessed raw data through the file system 22, for example: and analyzing the file name, the file type or the file attribute of the original data so as to manage or operate the file for the analyzed original data.
Furthermore, the controller 11 of the conventional data storage device 10 usually has no operating system installed, so that only the original data can be accessed during the data access process, and the file analysis cannot be further performed on the accessed original data. Further alternatively, if the controller 11 of the data storage device 10 is installed with an operating system, however, the data transmission interface between the controller 11 and the flash memory 13 is a data transmission interface of a standard specification that is not commonly used by the operating system, such as SPI, I2C or UART, so that the file system of the operating system can analyze the file information of the data transmitted between the controller 11 and the flash memory 13, the engineer must additionally write and build a driver of the non-standard data transmission interface in the file system of the operating system, which is not only complicated but also has low access efficiency.
Disclosure of Invention
The present invention provides a data storage device with self-accessing file data capability, which includes a microprocessor with an operating system and a data storage unit, wherein the data storage unit includes a controller and a plurality of flash memories, and the data storage device can access data in the flash memories by using the operating system of the microprocessor and analyze file information of the accessed data, so as to achieve the purpose of self-accessing file data.
The present invention provides a data storage device with self-access capability for file data, wherein the data storage device is connected to a host, an operating system of the host can access data in a flash memory of the data storage device, and when the operating system of the host is abnormal, an administrator of a remote management platform can perform a repairing operation on the operating system of the host through the operating system of a microprocessor of the data storage device, so that the operating system of the host can operate normally again.
It is another objective of the present invention to provide a data storage device with self-access to file data, wherein the microprocessor is connected to the data storage unit through a high-speed data transmission interface, so that the microprocessor can access the data storage unit at a high speed.
To achieve the above object, the present invention provides a data storage device with file data self-access capability, comprising: the data storage unit comprises a controller and a plurality of flash memories, and the controller is connected with the flash memories; the microprocessor is provided with a first operating system and is connected with the data storage unit through a high-speed data transmission interface, and data are transmitted between the data storage unit and the microprocessor through the high-speed data transmission interface, wherein the first operating system comprises a first file system, and a driving program related to the high-speed data transmission interface is established in the first file system; the first file system in the first operating system of the microprocessor performs a file analyzing program on the original data to analyze file information of the original data.
In an embodiment of the present invention, the apparatus further includes a switch disposed in a channel of the high-speed data transmission interface, wherein the microprocessor or the controller is configured to control switching of the switch to determine whether the channel of the high-speed data transmission interface is conducted between the data storage unit and the microprocessor or between the data storage unit and a host; the host computer is provided with a second operating system, the second operating system comprises a second file system, and the second file system is provided with a driving program related to a high-speed data transmission interface; when the channel of the high-speed data transmission interface is conducted between the data storage unit and the host, the second operating system of the host executes data access operation on the data storage unit through the driver to obtain the original data, and the second file system in the second operating system of the host executes a data file analysis program on the stored original data to analyze the file information of the original data.
In an embodiment of the present invention, when the microprocessor or the controller sends a first level signal to the switch, the switch switches on a channel of the high-speed data transmission interface between the data storage unit and the host; when the microprocessor or the controller sends a second level signal to the switch, the switch conducts the channel of the high-speed data transmission interface between the data storage unit and the microprocessor.
In an embodiment of the present invention, the first operating system is an embedded operating system.
In an embodiment of the invention, the first file system is a file system in a FAT, NTFS or exFAT format.
In an embodiment of the present invention, the high-speed data transmission interface is a data transmission interface conforming to the SATA or PCIe standard specification.
In an embodiment of the present invention, the switch is a channel switch of a SATA data transmission interface or a PCIe data transmission interface.
In an embodiment of the present invention, the data storage device includes a network communication component, a microprocessor of the data storage device is connected to a management platform through a network of the network communication component, when the management platform sends a data access request to the data storage device, a first operating system of the microprocessor sends a corresponding access command to the controller through a driver according to the data access request, and obtains original data associated with the data access request in a process of executing the access command, and a first file system in the first operating system of the microprocessor performs a file parsing procedure on the original data associated with the data access request to parse file information of the original data.
In an embodiment of the invention, the network communication component is a WiFi communication component, an ethernet communication component or a 4G or 5G communication component.
In an embodiment of the present invention, the data storage device is connected to a host through a high-speed data transmission interface, the host is installed with a second operating system in a flash memory of a data storage unit of the data storage device, the second operating system includes a second file system, the second file system is provided with a driver related to the high-speed data transmission interface, when the second operating system of the host is damaged, the management platform sends a data access request for repairing the operating system to the data storage device, the data access request for repairing the operating system includes original data restored by a system; when the data storage device receives a data access request for repairing the operating system, a first operating system of the microprocessor sends an access command for repairing the operating system data to the controller, the first file system analyzes file information of original data restored by the system to analyze a system restoration file, and the controller restores a second operating system stored in the flash memory by using the system restoration file according to the access command for repairing the operating system data.
The invention has the advantages that:
the invention provides a data storage device with the capability of self-accessing file data, which comprises a microprocessor with an operating system and a data storage unit, wherein the data storage unit comprises a controller and a plurality of flash memories, and the data storage device can access the data in the flash memories by using the operating system of the microprocessor and analyze the file information of the accessed data so as to realize the purpose of self-accessing the file data.
The invention provides a data storage device with the capability of self-accessing file data, wherein the data storage device is connected with a host, an operating system of the host can access data in a flash memory of the data storage device, and furthermore, when the operating system of the host is abnormal, a manager of a remote management platform can execute the repairing operation on the operating system of the host through the operating system of a microprocessor of the data storage device so as to ensure that the operating system of the host can operate normally again.
The invention provides a data storage device with the capability of self-accessing file data, wherein a microprocessor is connected with a data storage unit through a high-speed data transmission interface so as to enable the microprocessor to access the data storage unit at a high speed.
Drawings
FIG. 1 is a schematic diagram of a conventional data storage device.
FIG. 2 is a schematic structural diagram of a data storage device according to an embodiment of the present invention.
FIG. 3 is a diagram illustrating channel switching of a data transmission interface of a data storage device according to the present invention.
Description of the main component symbols:
10 data storage device 11 controller
13 flash memory 15 data transmission interface
20 host 21 operating system
22 file system 23 driver
30 data storage device 31 microprocessor
311 first operating system 312 first file system
33 data storage unit 331 controller
333 flash 35 data transmission interface
351 driver 37 switcher
39 network communication assembly 40 host
41 second operating system 42 second file system
50 management platform 501 data access request
Detailed Description
Please refer to fig. 2, which are schematic structural diagrams of a data storage device according to an embodiment of the present invention. As shown in fig. 2, the data storage device 30 of the present invention can also be a Solid State Disk (SSD) which includes a microprocessor 31, a data storage unit 33 and a data transmission interface 35. The data storage unit 33 includes a controller 331 and a plurality of flash memories 333, wherein the controller 331 is connected to the flash memory 353 through a serial transmission interface, such as SPI, I2C, UART serial transmission interface. The microprocessor 31 is connected to the data storage unit 33 via the data transmission interface 35. The data transmission interface 35 of the present invention can also be a data transmission interface of a standard specification commonly used by an operating system and a high-speed data transmission interface, such as a data transmission interface conforming to the SATA or PCIe standard specification.
In the present invention, the microprocessor 31 is installed with a first operating system 311. The first operating system 311 can also be an embedded operating system, such as an operating system of Linux or RTOX architecture. The first operating system 311 includes a first file system 312, which may also be a file system in FAT, NTFS or exFAT format. Also, the first file system 312 is configured with a driver 313 associated with the data transfer interface 35.
When the microprocessor 31 of the data storage device 30 receives an external data access request 501, the first operating system 311 of the microprocessor 31 issues an access command (e.g., a read/write command) to the controller 331 via the driver 313. The controller 331 performs a data access operation with respect to the flash memory 333 according to the access command. During the data access operation, the data transmission interface 35 between the controller 331 and the microprocessor 31 transmits raw data (raw data) associated with the data access request 501. The first file system 312 performs a file parsing procedure on the original data to parse a file information of the original data, such as: the first file system 312 parses the file name, file type or file attributes of the original data. In this case, the first operating system 311 parses the accessed original data through the first file system 312, and then performs file management or file operation on the original data.
The data storage device 30 further includes a network communication component 39. The microprocessor 31 is connected to the management platform 50 through the network communication component 39. The management platform 50 may also be an intranet management platform or a cloud management platform. The network communication component 39 is a WiFi communication component, an ethernet communication component, or a 4G or 5G communication component. The data access request 501 may also be issued by the management platform 50.
In an embodiment of the present invention, the data access request 501 issued by the management platform 50 is an access request for updating system data or firmware data, and the data access request 501 includes original data for system update or firmware update. When the microprocessor 31 of the data storage device 30 receives the data access request 501, the first operating system 311 of the microprocessor 31 issues an access command for updating system data or firmware data to the controller 331, and uses the first file system 312 to parse the file information of the original data of the system update or firmware update. After parsing out the system update or firmware update data file, the first operating system 311 updates the system data or firmware data stored in the data storage unit 33 by using the system update or firmware update data file.
In another embodiment of the present invention, the data access request 501 issued by the management platform 50 is an access request for reading the health data of the data storage device 30. When the microprocessor 31 of the data storage device 30 receives the data access request 501, the first operating system 311 of the microprocessor 31 issues a reading command of health degree data to the controller 331, and the first operating system 311 reads a raw data of health degree from the flash memory 333 through the controller 331, and uses the first file system 312 to parse the file information of the raw data of health degree. After the data file of the health degree is analyzed, the first operating system 311 transmits the data file of the health degree to the management platform 50 through the network communication component 39. Furthermore, the controller 331 records some health related data during the reading and writing operations of the flash memory 333, such as: raw Bit Error Rate (RBER), write/erase count (P/E cycle), average erase count (average erase count), defective block count (late block count), program failure block count (program failure count), unexpected power loss count (unexpected power loss), etc., and stores data related to these health degrees in flash memory 333. Then, when the management platform 50 wants to know the health status of the data storage device 30, the data file of the health can be read from the flash memory 333 through the first operating system 311.
In another embodiment of the present invention, the data access request 501 issued by the management platform 50 is a data access request for performing a TRIM function. The TRIM function is a function built in the data storage device 30 and can optimize the data storage device 30 to execute a Garbage Collection (Garbage Collection) procedure. When the microprocessor 31 of the data storage device 30 receives the data access request 501, the first operating system 311 of the microprocessor 31 starts the TRIM function of the data storage device 30, and issues a data access command of the TRIM function to the controller 331. The controller 331 performs a Garbage Collection (Garbage Collection) procedure on the data blocks of the flash memory 333 according to the data access command of the TRIM function to actively erase invalid data stored in the data blocks or actively move valid data stored in the data blocks to other data blocks. Moreover, during the garbage collection process, the first operating system 311 utilizes the first file system 312 to parse the file information of the invalid data and the valid data, so as to erase the file of the invalid data or concentrate the file of the valid data in consecutive data blocks. Then, the data storage device 30 performs the TRIM function, so as to improve the access efficiency of the data storage device 30.
In the above-mentioned application embodiments, which are only some of the implementation aspects of the present invention, in practical applications, the management platform 50 can issue various data access requests 501 to the data storage device 30, so that the first operating system 311 of the microprocessor 31 of the data storage device 30 performs a specific operation according to the data access request 501 and utilizes the first file system 312 to parse the file information of the data accessed when the specific operation is performed.
The data storage device 30 is further connected to a host 40 through a data transmission interface 35. The host 40 is a computer with network communication function, and the network connection management platform 50. The host 40 is installed with a second operating system 41. The second operating system 41 may also be Microsoft Windows or Apple Mac OS. The second operating system 41 implements a second file system 42, which may also be in FAT, NTFS or exFAT format. Similarly, the second file system 42 also implements a driver 351 associated with the data transfer interface 35. In the present invention, the host 40 can receive the data access request 501 sent by the management platform 50, and the second operating system 41 of the host 40 can perform data access operations on the data storage unit 33 of the data storage device 30 according to the data access request 501.
Further, a switch 37 is provided in a channel of the data transmission interface 35. The switch 37 is a channel switch for a SATA data transfer interface or a PCIe data transfer interface. The microprocessor 31 controls the switch 37 to switch to determine whether the second os 41 of the host 40 accesses the data in the data storage unit 33 or the first os 311 of the microprocessor 31 accesses the data in the data storage unit 33. Referring to fig. 3, when the host 40 is operating normally, the microprocessor 31 sends a first level signal (L) to the switch 37, and the switch 37 turns on the channel of the data transmission interface 35 between the data storage unit 33 and the host 40. When the channel of the data transmission interface 35 between the data storage unit 33 and the host 40 is turned on, the second operating system 41 of the host 40 issues an access command to the controller 331 via the driver 351 according to the data access request 501, and the controller 331 performs a data access operation on the flash memory 333 according to the access command. During the data access operation, the data transmission interface 35 between the controller 331 and the host 40 transmits raw data (raw data) associated with the data access request 501, and the second file system 42 performs a file parsing procedure on the raw data to parse the file information of the raw data. Then, the second operating system 41 performs file management or file operation on the analyzed raw data. Herein, the second os 41 performs data access operations on the data storage unit 33 of the data storage device 30 according to the data access request 501 in the above-mentioned various embodiments.
In another embodiment of the present invention, the data storage device 30 is a main hard disk for the host 40 to store data, and the second operating system 41 of the host 40 is installed in the flash memory 333 of the data storage unit 33 of the data storage device 30. When an abnormal condition occurs in the host 40, such as the second os 41 of the host 40 is damaged, the first os 311 of the microprocessor 31 will take over the data access of the data storage unit 33. The microprocessor 31 sends a second level signal (H) to the switch 37, and the switch 37 turns on the channel of the data transmission interface 35 between the data storage unit 33 and the microprocessor 31, so that the first operating system 311 of the microprocessor 31 performs the data access operation on the data storage unit 33 of the data storage device 30 according to the data access request 501. Furthermore, in the embodiment of fig. 3, the channel switching of the data transmission interface 35 is determined by the microprocessor 31. Alternatively, in another embodiment of the present invention, the channel switching of the data transmission interface 35 can be determined by the controller 331, and the controller 331 can also send the first level signal (L) or the second level signal (H) to the switch 37 to turn on the channel of the data transmission interface 35 between the data storage unit 33 and the microprocessor 31 or turn on the channel of the data transmission interface 35 between the data storage unit 33 and the host 40.
Then, when the second os 41 of the host 40 is abnormal, the management platform 50 may also issue a data access request 501 for repairing the os to the microprocessor 31, where the data access request 501 includes original data restored by the system. When the microprocessor 31 of the data storage device 30 receives the data access request 501, the first operating system 311 of the microprocessor 31 issues an access command for repairing the operating system data to the controller 331, and the first file system 312 is utilized to parse the file information of the original data restored by the system to obtain a system restore file. Thereafter, the controller 331 uses the system restore file to repair the second operating system 41 stored in the flash memory 333 of the data storage unit 33 according to the access command for repairing the operating system data. When the second os 41 of the host 40 is repaired, the host 40 can perform the data access operation again on the data storage unit 33 of the data storage device 30. Furthermore, the system restore file is a large data volume file, and the microprocessor 31 is connected to the controller 331 through the high-speed data transmission interface 35, so that the controller 331 can quickly receive the system restore file transmitted by the microprocessor 31 to repair the second operating system 41 in the flash memory 333. Here, the microprocessor 31 is connected to the data storage unit 33 through the high-speed data transmission interface 35, so that the microprocessor 31 can access the data storage unit 33 at a high speed.
In summary, the data storage device 30 of the present invention is additionally provided with a microprocessor 31 having an operating system 311, and the data storage device 30 can access the data in the flash memory 333 by using the operating system 311 of the microprocessor 31 and analyze the file information of the accessed data, so as to achieve the purpose of self-accessing the file data. Furthermore, when the os 41 of the host 40 is abnormal, the administrator of the remote management platform 50 can assist in repairing the os 41 of the host 40 through the os 311 of the microprocessor 312 of the data storage device 30, so that the os 41 of the host 40 can operate normally again.
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 solution 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 (10)
1. A data storage device having the capability of self-accessing file data, comprising:
the data storage unit comprises a controller and a plurality of flash memories, and the controller is connected with the flash memories; and
a microprocessor, which is installed with a first operating system and is connected with the data storage unit through a high-speed data transmission interface, and the data storage unit and the microprocessor transmit data through the high-speed data transmission interface, wherein the first operating system comprises a first file system, and the first file system is provided with a driving program related to the high-speed data transmission interface;
the first operating system of the microprocessor executes a data access operation on the data storage unit through the driver to obtain original data, and the first file system of the first operating system of the microprocessor performs a file parsing program on the original data to parse file information of the original data.
2. The data storage device of claim 1, further comprising a switch disposed in a channel of the high speed data transfer interface, the microprocessor or the controller controlling the switching of the switch to determine whether the channel of the high speed data transfer interface is conducted between the data storage unit and the microprocessor or between the data storage unit and a host; the host is provided with a second operating system which comprises a second file system, and the second file system is provided with a driver program of the high-speed data transmission interface; when the channel of the high-speed data transmission interface is conducted between the data storage unit and the host, the second operating system of the host executes the data access operation on the data storage unit through the driver to obtain the original data, and the second file system in the second operating system of the host executes the data file parsing program on the stored original data to parse the file information of the original data.
3. The data storage device of claim 2, wherein the switch turns on the channel of the high speed data transfer interface between the data storage unit and the host when the microprocessor or the controller sends a first level signal to the switch; when the microprocessor or the controller sends a second level signal to the switch, the switch conducts the channel of the high-speed data transmission interface between the data storage unit and the microprocessor.
4. The data storage device of claim 1, wherein the first operating system is an embedded operating system.
5. The data storage device of claim 1, wherein the first file system is a FAT, NTFS or exFAT format file system.
6. The data storage device of claim 1, wherein the high-speed data transfer interface is a data transfer interface compliant with SATA or PCIe standard specification.
7. The data storage device of claim 2, wherein the switch is a channel switch for a SATA data transfer interface or a PCIe data transfer interface.
8. The data storage device of claim 1, wherein the data storage device comprises a network communication component, the microprocessor of the data storage device is connected with a management platform through the network communication component network, when the management platform sends a data access request to the data storage device, the first operating system of the microprocessor sends a corresponding access command to the controller through the driver according to the data access request, and retrieving the original data associated with the data access request during execution of the access command, the first file system in the first operating system of the microprocessor performs the archive resolution procedure on the raw data associated with the data access request to resolve the archive information of the raw data.
9. The data storage device of claim 1, wherein the data storage device is connected to a host through the high-speed data transmission interface, the host is installed with a second operating system in the flash memory of the data storage unit of the data storage device, the second operating system includes a second file system, the second file system is installed with the driver related to the high-speed data transmission interface, when the second operating system of the host is damaged, the management platform issues a data access request of a repair operating system to the data storage device, the data access request of the repair operating system includes original data of a system restore; when the data storage device receives a data access request of the repair operating system, the first operating system of the microprocessor sends an access command of the repair operating system data to the controller, the first file system analyzes the file information of the original data restored by the system to analyze a system restoration file, and the controller restores the second operating system stored in the flash memory by using the system restoration file according to the access command of the repair operating system data.
10. The data storage device of claim 8 wherein the network communication component is a WiFi communication component, an ethernet communication component, or a 4G or 5G communication component.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112181294A (en) * | 2020-09-21 | 2021-01-05 | 宜鼎国际股份有限公司 | Data storage device with system operation capability |
| TWI755068B (en) * | 2020-09-21 | 2022-02-11 | 宜鼎國際股份有限公司 | Data storage device with system operation capability |
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