CN112764778A - Processing method for remotely upgrading underlying root file system and related equipment - Google Patents
Processing method for remotely upgrading underlying root file system and related equipment Download PDFInfo
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- 238000012795 verification Methods 0.000 claims description 25
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- G06F8/60—Software deployment
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
- G06F16/162—Delete operations
Abstract
The invention belongs to the technical field of industrial automation, and particularly relates to a processing method for remotely upgrading a bottom root file system and related equipment. The method comprises the steps of partitioning a storage space of the embedded equipment, correspondingly storing a root file system and an application file system in the file system into two storage areas respectively, and deploying an upgrading script program in an application layer of the embedded equipment; judging whether an upgrading firmware of the root file system exists at regular time through an upgrading script program, and upgrading the root file system according to the upgrading firmware if the upgrading firmware exists; and after the root file system is upgraded, resetting and restarting the system of the embedded equipment, and starting the upgraded root file system. The invention can simply and stably realize the upgrade processing of the bottom layer root file system with smaller remote upgrade in the embedded equipment, reduces the remote upgrade risk and solves the problem of remote upgrade of the root file system which is difficult to realize in the embedded equipment.
Description
Technical Field
The invention belongs to the technical field of industrial automation, and particularly relates to a processing method for remotely upgrading a bottom root file system and related equipment.
Background
The embedded linux device generally needs to be operated in an unattended environment, and if the operated program has problems or needs to be added with new functions, the operation of remotely upgrading the program is involved. The upgrading operation of the application program in the embedded linux equipment is common, and the upgrading operation processing of the application program can be completed only by running the upgrading program in the equipment and combining the interaction of a remote server. The upgrading risk is general, and if the upgrading process has problems, the upgrading process can be repaired through remote upgrading as long as the upgrading program is ensured to have no big problems. The upgrading operation of the embedded linux bottom layer system software is relatively complex and difficult, and the embedded linux bottom layer system software generally comprises three major parts: a bootstrap bootloader, a kernel and a file system. For the relatively small and independent relationship between bootloader and kernel, remote upgrade and replacement can be performed by means of application layer programs, but the implementation difficulty is relatively high, and the upgrade risk is relatively large due to system software (system stability). The file system comprises a basic operation program and an application system program of a bottom layer system, and the file system is very large, and if the whole file system is upgraded, besides the difficulty in implementation, the problem that firmware is very large in upgrading is also solved. But for the root file system in the file system, like bootloader and kernel, we also need to support remote upgrade replacement.
The linux-based remote upgrading of the underlying root file system generally has the following problems:
1. the embedded linux bottom layer system software comprises three major parts which are generally not upgraded remotely, and because the difficulty is high and the risk is high, the embedded linux bottom layer system software can only be updated by field burning, so that the stability of the system is ensured.
2. Aiming at embedded linux bottom layer system software, remote upgrading is achieved, bootloader and kernel can be combined with a safety verification mechanism, remote replacement upgrading is conducted by means of simple system commands through application programs, and the effect of remotely upgrading a bottom layer system is achieved.
3. For a file system in embedded linux bottom layer system software, because a root file system and an application program system are integrated, if the whole file system is remotely upgraded, the application program system is replaced, and different configurations of field devices in different environments can be stored in the application program system, so that the remote upgrading of the whole file system can cause configuration change and replacement, and cause problems of the field devices.
Disclosure of Invention
The invention aims to solve the technical problems of large upgrade files and high upgrade risk when the embedded linux bottom layer system software is upgraded remotely, and provides a processing method and related equipment for remotely upgrading a bottom layer root file system.
A processing method for remotely upgrading a bottom root file system comprises the following steps:
partitioning a storage space of the embedded equipment into at least two storage areas with preset sizes, correspondingly storing a root file system and an application file system in the file systems in the two storage areas respectively, and deploying an upgrading script program in an application layer of the embedded equipment;
judging whether the upgrading firmware of the root file system exists at regular time through the upgrading script program, if so, upgrading the root file system according to the upgrading firmware to obtain an upgraded root file system, otherwise, continuing to judge whether the upgrading firmware of the root file system exists at regular time through the upgrading script program;
and after the root file system is upgraded, resetting and restarting the system of the embedded equipment, and starting the upgraded root file system.
Optionally, the periodically determining whether the upgrade firmware of the root file system exists by the upgrade script program includes:
the method comprises the steps of obtaining an upgrade package in a remote transmission mode, storing the upgrade package in a preset upgrade storage area, checking whether the upgrade package exists in the preset upgrade storage area at regular time through an upgrade script program, and if the upgrade package exists, taking the upgrade as the upgrade firmware.
Optionally, if the upgrade firmware exists, upgrading the root file system according to the upgrade firmware to obtain an upgraded root file system, including:
if the upgrade firmware exists, verifying the upgrade firmware, if the verification is passed, erasing and writing the root file system by using a preset erasing and writing command, obtaining the upgraded root file system after the operation is successful, if the operation is failed, deleting the upgrade firmware, and continuing to perform the step of regularly judging whether the upgrade firmware of the root file system exists through the upgrade script program;
if the verification fails, deleting the upgrading firmware, and continuing to judge whether the upgrading firmware of the root file system exists or not at regular time through the upgrading script program.
Optionally, the verification operation is a verification operation of MD 5.
Optionally, the embedded device is an embedded Linux device.
A processing apparatus for remotely upgrading an underlying root file system, comprising:
the device comprises a partition storage module, a storage layer and an application layer, wherein the partition storage module is used for partitioning a storage space of the embedded device, dividing the storage space into at least two storage areas with preset sizes, correspondingly storing a root file system and an application file system in the file systems in the two storage areas respectively, and deploying an upgrading script program in the application layer of the embedded device;
the timing judgment and upgrade module is used for regularly judging whether the upgrade firmware of the root file system exists through the upgrade script program, if so, upgrading the root file system according to the upgrade firmware to obtain an upgraded root file system, otherwise, continuously judging whether the upgrade firmware of the root file system exists through the upgrade script program;
and the reset restarting module is used for resetting and restarting the system of the embedded equipment after the root file system is upgraded, and starting the upgraded root file system.
Optionally, the timing judgment and upgrade module includes a timing judgment unit, configured to obtain an upgrade package in a remote transmission manner, store the upgrade package in a preset storage region for upgrade, check whether the upgrade package exists in the preset storage region for upgrade at regular time through the upgrade script program, and if the upgrade package exists, use the upgrade as the upgrade firmware.
Optionally, the timing judgment and upgrade module further includes an upgrade unit, configured to perform a verification operation on the upgraded firmware if the upgraded firmware exists, and if the verification passes, perform an erase and write operation on the root file system using a preset erase and write command, obtain the upgraded root file system after the operation is successful, delete the upgraded firmware if the operation fails, and continue to perform the step of regularly judging whether the upgraded firmware of the root file system exists through the upgrade script program;
if the verification fails, deleting the upgrading firmware, and continuing to judge whether the upgrading firmware of the root file system exists or not at regular time through the upgrading script program.
Optionally, the verification operation in the upgrade unit is a verification operation of MD 5.
Optionally, the embedded device is an embedded Linux device.
A computer device comprising a memory and a processor, the memory having stored therein computer-readable instructions that, when executed by the processor, cause the processor to perform the steps of the above-described method of remotely upgrading an underlying root file system.
A storage medium having stored thereon computer-readable instructions which, when executed by one or more processors, cause the one or more processors to perform the steps of the above-described method of remotely upgrading an underlying root file system.
The positive progress effects of the invention are as follows: the invention adopts the processing method and the related equipment for remotely upgrading the bottom root file system, has low realization difficulty and greatly improved reliability, greatly improves the remote upgrading efficiency on the premise of not influencing the cost, and has stronger expansibility of application scenes.
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FIG. 1 is a schematic flow chart of the method of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific drawings.
Referring to fig. 1, a processing method for remotely upgrading a bottom root file system includes the following steps:
s1, partition storage: the method comprises the steps of partitioning a storage space of the embedded equipment into at least two storage areas with preset sizes, correspondingly storing a root file system and an application file system in the file systems in the two storage areas respectively, and deploying an upgrading script program in an application layer of the embedded equipment.
The embedded device of the present invention is preferably an embedded Linux device. When the embedded device leaves a factory, in a bottom system program, a driver partitions a storage space, a root file system and an application file system of a file system in embedded linux bottom system software are divided into two corresponding partitions, sizes of storage areas corresponding to the two partitions can be set according to the sizes of the root file system and the application file system respectively, for example, the storage areas can be divided into two partitions, namely, a rootFS partition and an appFS partition, the root file system is deployed into the rootFS storage area, and the application file system is deployed into the appFS storage area. Therefore, the independent root file system rootFS partition can be upgraded by an upgrading script program preset in an application layer, namely, replacement erasing read-write operation is carried out.
After the partition design is adopted, the size of the root file system can be controlled to be very small, and the size of the upgrading file is controlled within a proper number of megabytes, so that the upgrading process is not very slow, and the risk of interruption of the upgrading process is reduced.
S2, timing judgment and upgrade: and judging whether the upgrading firmware of the root file system exists at regular time through the upgrading script program, if so, upgrading the root file system according to the upgrading firmware to obtain the upgraded root file system, and otherwise, continuing to judge whether the upgrading firmware of the root file system exists at regular time through the upgrading script program.
In one embodiment, the timing determination of whether the upgraded firmware of the root file system exists by the upgrade script program in step S2 includes:
the upgrading method comprises the steps of obtaining an upgrading packet in a remote transmission mode, storing the upgrading packet in a preset upgrading storage area, checking whether the upgrading packet exists in the preset upgrading storage area at regular time through an upgrading script program, and upgrading to serve as upgrading firmware if the upgrading packet exists.
The upgrade package is obtained from a server or other terminals in a remote transmission mode, and the root file system is separated from the application file system, so that the upgrade package only contains the root file system needing to be updated. After the upgrade package is obtained, the upgrade package is deployed into a preset storage area for upgrading, so that the upgrade script program can be inquired conveniently.
The upgrading script program is pre-deployed in the embedded device when leaving the factory, whether an upgrading package of a root file system of a bottom layer exists or not can be checked regularly, and if the upgrading package exists, the upgrading package is the upgrading firmware needing to be upgraded. The timing in this step may be preset according to the upgrade requirement of the embedded device, for example, the timing period is set to one day, one week, or one month.
In an embodiment, if the upgraded firmware exists in step S2, upgrading the root file system according to the upgraded firmware to obtain an upgraded root file system, including:
if the upgrade firmware exists, verifying the upgrade firmware, if the verification is passed, erasing and writing the root file system by using a preset erasing and writing command, obtaining the upgraded root file system after the operation is successful, if the operation is failed, deleting the upgrade firmware, and continuing to perform the step of regularly judging whether the upgrade firmware of the root file system exists through an upgrade script program. If the verification fails, deleting the upgrade firmware, and continuing to judge whether the upgrade firmware of the root file system exists or not at regular time through the upgrade script program.
The verification operation in this step adopts the verification operation of MD 5. When the upgrading script program inquires that the upgrading firmware exists, the MD5 is firstly performed on the upgrading firmware, and only after the verification is passed, the subsequent upgrading work is performed. When the root file system is upgraded, erase and write erasing commands preset in embedded equipment are adopted to erase and write the rootFS partition of the root file system.
S3, resetting and restarting: and after the root file system is upgraded, resetting and restarting the system of the embedded equipment, and starting the upgraded root file system.
And when the root file system is successfully upgraded and the system is reset and restarted, starting a new root file system program. Then, the upgrade script program is continuously used to periodically determine whether the upgrade firmware of the root file system exists, that is, in the embedded device, and step S2 is continuously performed, so that the root file system is upgraded again when a new upgrade package exists.
After the processing, the upgrading processing of the bottom layer root file system with smaller remote upgrading can be simply and stably realized in the embedded equipment, the remote upgrading risk is reduced, and meanwhile, the problem of remote upgrading of the root file system which is difficult to realize in the embedded equipment is solved.
A processing apparatus for remotely upgrading an underlying root file system, comprising:
the partition storage module is used for partitioning the storage space of the embedded equipment, dividing the storage space into at least two storage areas with preset sizes, correspondingly storing a root file system and an application file system in the file system into the two storage areas respectively, and deploying the upgrading script program in an application layer of the embedded equipment;
in one embodiment, the embedded device is an embedded Linux device.
The timing judgment and upgrade module is used for regularly judging whether the upgrade firmware of the root file system exists through the upgrade script program, if so, upgrading the root file system according to the upgrade firmware to obtain the upgraded root file system, otherwise, continuously judging whether the upgrade firmware of the root file system exists through the upgrade script program;
in one embodiment, the timing judgment and upgrade module includes a timing judgment unit, configured to obtain an upgrade package in a remote transmission manner, store the upgrade package in a preset upgrade storage area, check whether the upgrade package exists in the preset upgrade storage area at regular time through an upgrade script program, and if the upgrade package exists, upgrade the upgrade package to be used as an upgrade firmware.
In one embodiment, the timing judgment and upgrade module further includes an upgrade unit, configured to perform a verification operation on the upgraded firmware if the upgraded firmware exists, and if the verification passes, perform an erase and write operation on the root file system using a preset erase and write command, obtain the upgraded root file system after the operation is successful, delete the upgraded firmware if the operation fails, and continue to perform the step of regularly judging whether the upgraded firmware of the root file system exists through the upgrade script program; if the verification fails, deleting the upgrade firmware, and continuing to judge whether the upgrade firmware of the root file system exists or not at regular time through the upgrade script program.
In one embodiment, the verify operation in the upgrade unit is a verify operation of MD 5.
And the reset restart module is used for resetting and restarting the system of the embedded equipment after the root file system is upgraded, and starting the upgraded root file system.
A computer device includes a memory and a processor, the memory stores computer readable instructions, and when the computer readable instructions are executed by the processor, the processor implements the steps in the processing method for remotely upgrading an underlying root file system according to the embodiments.
A storage medium storing computer readable instructions which, when executed by one or more processors, cause the one or more processors to perform the steps of the method for processing a remote upgrade underlying root file system of the above embodiments.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: a Read Only Memory (ROM), a Random Access Memory (RAM), a volatile storage medium, a non-volatile storage medium, a magnetic or optical disk, or the like.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A processing method for remotely upgrading a bottom root file system is characterized by comprising the following steps:
partitioning a storage space of the embedded equipment into at least two storage areas with preset sizes, correspondingly storing a root file system and an application file system in the file systems in the two storage areas respectively, and deploying an upgrading script program in an application layer of the embedded equipment;
judging whether the upgrading firmware of the root file system exists at regular time through the upgrading script program, if so, upgrading the root file system according to the upgrading firmware to obtain an upgraded root file system, otherwise, continuing to judge whether the upgrading firmware of the root file system exists at regular time through the upgrading script program;
and after the root file system is upgraded, resetting and restarting the system of the embedded equipment, and starting the upgraded root file system.
2. The method as claimed in claim 1, wherein said determining whether the upgrade firmware of the root file system exists periodically by the upgrade script program comprises:
the method comprises the steps of obtaining an upgrade package in a remote transmission mode, storing the upgrade package in a preset upgrade storage area, checking whether the upgrade package exists in the preset upgrade storage area at regular time through an upgrade script program, and if the upgrade package exists, taking the upgrade as the upgrade firmware.
3. The method as claimed in claim 1, wherein if the upgrade firmware exists, the upgrading the root file system according to the upgrade firmware to obtain an upgraded root file system, includes:
if the upgrade firmware exists, verifying the upgrade firmware, if the verification is passed, erasing and writing the root file system by using a preset erasing and writing command, obtaining the upgraded root file system after the operation is successful, if the operation is failed, deleting the upgrade firmware, and continuing to perform the step of regularly judging whether the upgrade firmware of the root file system exists through the upgrade script program;
if the verification fails, deleting the upgrading firmware, and continuing to judge whether the upgrading firmware of the root file system exists or not at regular time through the upgrading script program.
4. The process of remotely upgrading an underlying root file system according to claim 3, wherein the check operation is a check operation of MD 5;
the embedded equipment is embedded Linux equipment.
5. A processing apparatus for remotely upgrading an underlying root file system, comprising:
the device comprises a partition storage module, a storage layer and an application layer, wherein the partition storage module is used for partitioning a storage space of the embedded device, dividing the storage space into at least two storage areas with preset sizes, correspondingly storing a root file system and an application file system in the file systems in the two storage areas respectively, and deploying an upgrading script program in the application layer of the embedded device;
the timing judgment and upgrade module is used for regularly judging whether the upgrade firmware of the root file system exists through the upgrade script program, if so, upgrading the root file system according to the upgrade firmware to obtain an upgraded root file system, otherwise, continuously judging whether the upgrade firmware of the root file system exists through the upgrade script program;
and the reset restarting module is used for resetting and restarting the system of the embedded equipment after the root file system is upgraded, and starting the upgraded root file system.
6. The apparatus as claimed in claim 5, wherein the timing judgment and upgrade module includes a timing judgment unit, configured to obtain an upgrade package in a remote transmission manner, store the upgrade package in a preset storage area for upgrade, check whether the upgrade package exists in the preset storage area for upgrade at regular time by using the upgrade script program, and if so, upgrade the upgrade firmware.
7. The apparatus as claimed in claim 5, wherein the timing determining and upgrading module further comprises an upgrading unit, configured to perform a verification operation on the upgraded firmware if the upgraded firmware exists, perform an erase and write operation on the root file system using a preset erase and write command if the verification passes, obtain the upgraded root file system after the operation is successful, delete the upgraded firmware if the operation fails, and continue to perform the step of periodically determining whether the upgraded firmware exists in the root file system through the upgrade script program; if the verification fails, deleting the upgrading firmware, and continuing to judge whether the upgrading firmware of the root file system exists or not at regular time through the upgrading script program.
8. The processing apparatus for remotely upgrading an underlying root file system according to claim 7, wherein the verification operation in the upgrade unit is a verification operation of MD 5;
the embedded equipment is embedded Linux equipment.
9. A computer device comprising a memory and a processor, the memory having stored therein computer-readable instructions which, when executed by the processor, cause the processor to perform the steps of the method of processing for remotely upgrading an underlying root file system as claimed in any one of claims 1 to 4.
10. A storage medium having computer-readable instructions stored thereon which, when executed by one or more processors, cause the one or more processors to perform the steps of the method of processing for remotely upgrading an underlying root file system as claimed in any one of claims 1 to 4.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117873540A (en) * | 2024-03-13 | 2024-04-12 | 成都星联芯通科技有限公司 | Front panel upgrading flow optimization method |
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| US20120291021A1 (en) * | 2011-05-13 | 2012-11-15 | Lsi Corporation | Method and system for firmware upgrade of a storage subsystem hosted in a storage virtualization environment |
| CN109460245A (en) * | 2018-10-31 | 2019-03-12 | 北京众谊越泰科技有限公司 | A kind of remote upgrade method of embedded system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120291021A1 (en) * | 2011-05-13 | 2012-11-15 | Lsi Corporation | Method and system for firmware upgrade of a storage subsystem hosted in a storage virtualization environment |
| CN109460245A (en) * | 2018-10-31 | 2019-03-12 | 北京众谊越泰科技有限公司 | A kind of remote upgrade method of embedded system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117873540A (en) * | 2024-03-13 | 2024-04-12 | 成都星联芯通科技有限公司 | Front panel upgrading flow optimization method |
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