CN112596678A - Storage device and firmware setting method and repartitioning method thereof - Google Patents
Storage device and firmware setting method and repartitioning method thereof Download PDFInfo
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- CN112596678A CN112596678A CN202011555891.9A CN202011555891A CN112596678A CN 112596678 A CN112596678 A CN 112596678A CN 202011555891 A CN202011555891 A CN 202011555891A CN 112596678 A CN112596678 A CN 112596678A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005192 partition Methods 0.000 claims description 38
- 238000013507 mapping Methods 0.000 claims description 29
- 238000000638 solvent extraction Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000010076 replication Effects 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
- G06F3/0604—Improving or facilitating administration, e.g. storage management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/023—Free address space management
- G06F12/0253—Garbage collection, i.e. reclamation of unreferenced memory
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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
- G06F3/0629—Configuration or reconfiguration of storage systems
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Abstract
The invention discloses a storage device and a firmware setting method and a repartitioning method thereof, belonging to the technical field of storage devices.
Description
Technical Field
The invention relates to the technical field of storage equipment, in particular to storage equipment and a firmware setting method and a repartitioning method thereof.
Background
At present, the storage device is a commonly used device, the requirement on the storage device is increasing, the storage capacity of the storage device is also increasing, but the storage capacity of the storage device is also limited, and after a certain period of time, the stored data or files need to be replaced, which causes fragmentation of the storage space or shortage of the storage space, so that the storage device is partitioned when in use, and the storage device is re-partitioned according to the requirement of the storage space after being used for a period of time, in the prior art, the content in the space of the storage device a needing partitioning is stored in another storage device B, then the storage device a is re-partitioned, and then the content copied in the storage device B is copied back to the storage device a, which is not only troublesome, when the content is large, the replication process takes a long time, greatly increasing labor costs.
Therefore, it is an urgent problem to improve the storage speed of the storage device and simplify the re-partitioning step.
Disclosure of Invention
The invention aims to provide a storage device and a firmware setting method and a repartitioning method thereof.A logic address mapping exchange interface is set in the firmware of the storage device, the logic address mapping exchange interface is called when repartitioning, a first address, a second address and an exchange address length of logic address exchange are set, logic address exchange is realized, the first address is converted to the second address, repartitioning is realized, the repartitioning method is simplified, and labor cost is saved.
In a first aspect, the above object of the present invention is achieved by the following technical solutions:
a firmware setting method of a storage device is provided, a continuous logic address mapping exchange interface is arranged in the firmware of the storage device and is used for exchanging a first address field with a second address field; the first address field is continuous logic addresses with set length from the first address, and the second address field is continuous logic addresses with the same length from the second address.
In a second aspect, the above object of the present invention is also achieved by the following technical solutions:
a host calculates the logic space to be adjusted according to a re-partitioning instruction, calls a mapping exchange interface of the storage device and adjusts the size of the logic space of different partitions.
The invention is further configured to: the host calculates to obtain the address of the logic space to be adjusted according to the partition logic address information and the file system information, wherein the address comprises a first address and a second address.
The invention is further configured to: the first address and the second address belong to the same partition or different partitions; the first address field and the second address field are arbitrary non-coincident logical address fields on the storage device.
The invention is further configured to: the host obtains partition logic address information and partition file use information including start and end address information of each partition according to the partition table and the file system information.
The invention is further configured to: and after the size of the partition logic space is adjusted, updating the partition table.
The invention is further configured to: and updating the logical address mapping table to perform logical address exchange.
In a third aspect, the above object of the present invention is also achieved by the following technical solutions:
a storage device is solidified with a program, and the program is provided with a logical address mapping exchange interface.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the method and the device provide a basis for the handover address by setting a logical address mapping exchange interface in firmware of the storage device;
2. furthermore, the logic address mapping exchange interface is called when the partition is re-partitioned, so that the quick re-partition is realized, the re-partitioning method is simplified, and the labor cost is saved;
3. furthermore, the storage device firmware is arranged, so that the simplicity and the practicability of the storage device repartitioning are ensured, and the efficiency is improved.
Drawings
FIG. 1 is a re-partition diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Detailed description of the preferred embodiment
The method for setting the firmware of the storage device comprises the steps of setting a logic address mapping exchange interface in the firmware of the storage device, wherein the logic address mapping exchange interface comprises a first address, a second address and a parameter for setting the length of an exchange address, continuous logic addresses starting from the first address and setting the length of the exchange address are a first address field, and continuous logic addresses starting from the second address and setting the length of the exchange address are a second address field.
A logical address map exchange interface for exchanging a slave first address field with a slave second address field; and carrying out logic address exchange by updating the logic address mapping table.
Specifically, a logical address mapping exchange interface instruction is added to the firmware, which is represented by the following formula:
Swap(addr1,addr2,length)
in the formula, addr1 denotes a first address, addr2 denotes a second address, and length denotes a set exchange address length.
Detailed description of the invention
According to the method for repartitioning the storage equipment, the host calculates the logical space to be adjusted according to a repartitioning instruction, calls the mapping exchange interface of the storage equipment and adjusts the size of the logical space of different partitions.
The re-partition, viewed from the user plane, is to enlarge the size of the original first partition and reduce the size of the original second partition, which is essentially to adjust the user information from the a state to the B state.
After receiving the re-partition instruction, the host calls the partition table and the file system information to obtain the original partition logic address information and the original partition file use information, wherein the partition table comprises the start address information and the end address information of each partition.
According to the starting address, the ending address and the file use information of the partition, calculating to obtain a logical space address to be adjusted, calling a logical address mapping exchange interface, setting a first address and a second address and setting the length of the exchange address, and executing a logical address mapping exchange interface instruction to obtain the repartition.
And after the re-partition is completed, updating the partition table and the file use information.
And (3) in the repartitioning process, from the perspective of a firmware layer, the space mapping exchange of the first address field and the second address field is completed by calling a logic address mapping exchange interface.
When the space mapping is exchanged, the method also comprises the steps of identifying the data of the file system, adjusting the size of the file system and carrying out mapping space exchange on the data of the file system.
Specifically, as shown in fig. 1, the current state of the storage device, as shown in 1-1, includes several storage spaces C/D/E/F/G/H, corresponds to a firmware physical address, and a current state logical address corresponds to a physical address mapping provided by the firmware, as shown in 1-2, an addr1 address segment of the E storage space in the firmware and an addr2 address segment of the F storage space are subjected to logical address mapping exchange to obtain a logical space state as shown in 1-3, thereby implementing logical address mapping exchange, expanding the size of the D storage space, and reducing the size of the F storage space.
In one embodiment of the present application, the first address and the second address belong to the same partition or belong to different partitions
The first address field and the second address field are arbitrary non-coincident logical address fields on the storage device.
Detailed description of the preferred embodiment
A storage device is solidified with a computer program, and a logical address mapping exchange interface is arranged in the program. When the storage equipment is partitioned again, the storage space can be partitioned again only by calling the logical address mapping exchange interface and setting the relevant parameters, so that the user operation is simple, and the labor cost is saved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A firmware setting method of a storage device, characterized by: setting a logic address mapping exchange interface in firmware of the storage device, wherein the logic address mapping exchange interface is used for exchanging a first address field with a second address field; the first address field is continuous logic addresses with set exchange address length from the first address, and the second address field is continuous logic addresses with the same exchange address length from the second address.
2. A method of repartitioning a storage device, comprising: and the host calculates the logical space to be adjusted according to the re-partitioning instruction, calls a mapping exchange interface of the storage equipment and adjusts the size of the logical space of different partitions.
3. A method of repartitioning of a storage device according to claim 2, wherein: the host calculates to obtain the address of the logic space to be adjusted according to the partition logic address information and the file system information, wherein the address comprises a first address and a second address.
4. A method of repartitioning of a storage device according to claim 3, wherein: the first address and the second address belong to the same partition or different partitions; the first address field and the second address field are arbitrary non-coincident logical address fields on the storage device.
5. A method of repartitioning of a storage device according to claim 2, wherein: the host obtains partition logic address information and partition file use information including start and end address information of each partition according to the partition table and the file system information.
6. A method of repartitioning of a storage device according to claim 2, wherein: and after the size of the partition logic space is adjusted, updating the partition table.
7. A method of repartitioning of a storage device according to claim 1, wherein: and updating the logical address mapping table to perform logical address exchange.
8. A storage device, characterized by: the storage device is solidified with a program, and the program is provided with a logical address mapping exchange interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011555891.9A CN112596678B (en) | 2020-12-24 | 2020-12-24 | Storage device, firmware setting method thereof and repartitioning method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011555891.9A CN112596678B (en) | 2020-12-24 | 2020-12-24 | Storage device, firmware setting method thereof and repartitioning method thereof |
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| CN112596678A true CN112596678A (en) | 2021-04-02 |
| CN112596678B CN112596678B (en) | 2024-01-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114911716A (en) * | 2022-03-08 | 2022-08-16 | 太仓市同维电子有限公司 | Dynamic, discrete and fragmented embedded system nand flash using method |
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| CN107315544A (en) * | 2017-06-29 | 2017-11-03 | 郑州云海信息技术有限公司 | A kind of solid-state disk logical partition management method and device |
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2020
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| CN114911716A (en) * | 2022-03-08 | 2022-08-16 | 太仓市同维电子有限公司 | Dynamic, discrete and fragmented embedded system nand flash using method |
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| CN112596678B (en) | 2024-01-16 |
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