CN107315544A - A kind of solid-state disk logical partition management method and device - Google Patents
A kind of solid-state disk logical partition management method and device Download PDFInfo
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- CN107315544A CN107315544A CN201710530378.6A CN201710530378A CN107315544A CN 107315544 A CN107315544 A CN 107315544A CN 201710530378 A CN201710530378 A CN 201710530378A CN 107315544 A CN107315544 A CN 107315544A
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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
- 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
- G06F3/0644—Management of space entities, e.g. partitions, extents, pools
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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
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
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Abstract
A kind of solid-state disk logical partition management method of disclosure and device.This method is identified in the logical partition management table of solid-state disk, decision logic partition management table is got with the presence or absence of target logical partition.If being not present, target logical partition instruction is created to solid-state disk output, to indicate that solid-state disk creates the target logical partition；If in the presence of determining whether whether the element address scope of the target logical partition is overlapping with the address realm of other logical partitions；If not overlapping, to solid-state disk output to element address scope extended instruction, it is extended with the element address scope to target logical partition.The establishment and extension of the achievable solid-state disk logical partition of the present invention, so as to facilitate management of the technical staff to solid-state disk.
Description
Technical field
The application is related to computer realm, more specifically to a kind of solid-state disk logical partition management method and device.
Background technology
Different from disk of the tradition based on hard disk, solid-state disk is a kind of new storage device, and its storage medium is used
NandFlash, control protocol uses NVMe standards.NVMe standards define two class orders, and a class is the order that must be supported, separately
One class is the order of optional support.Logical partition administration order is exactly the optional command that NVMe standards are defined, and how to utilize logic
Partition management commands realize the multiple logical partition management functions of solid-state disk, the problem of be those skilled in the art's urgent need to resolve.
The content of the invention
In view of this, the application provides a kind of solid-state disk logical partition management method and device, and solid-state disk is patrolled with realizing
Collect the management such as the establishment, extension or deletion of subregion.
To achieve these goals, it is proposed that scheme it is as follows：
A kind of solid-state disk logical partition management method, including：
Obtain the logical partition management table of solid-state disk；
Judge in the logical partition management table with the presence or absence of target logical partition mark；
If being not present, target logical partition instruction is created to solid-state disk output, to create the target logic point
Area；
If in the presence of, judge the target logical partition element address scope whether the address model with other logical partitions
Enclose overlapping；
If not overlapping, to solid-state disk output to element address scope extended instruction, with to the target logic point
The element address scope in area is extended；
If overlapping, corresponding prompt message is exported.
It is preferred that, the logical partition management table for obtaining solid-state disk, including：
The logical partition management table acquisition instructions pre-established are inputted to the solid-state disk, to obtain the logic point of solid-state disk
Area manages table；
The logical partition management table acquisition instructions meet NVMe control protocols.
It is preferred that, it is described to create target logical partition instruction to solid-state disk output, to create the target logic point
Area, also includes afterwards：
Indicate that the solid-state disk is updated to the logical partition management table, and preserve the logical partition after updating
Manage table.
It is preferred that, it is described to be exported to the solid-state disk to element address scope extended instruction, with to the target logic point
The element address scope in area is extended, and is also included afterwards：
Indicate that the solid-state disk is updated to the logical partition management table, and preserve the logical partition after updating
Manage table.
A kind of solid-state disk logical partition managing device, including：
Information acquisition unit, the logical partition management table for obtaining solid-state disk；
First judging unit, for judging in the logical partition management table with the presence or absence of target logical partition mark；
First instruction output unit, for when the logical partition management table in be not present target logical partition mark when,
Target logical partition instruction then is created to solid-state disk output, to create the target logical partition；
Second judging unit, during for there is target logical partition mark in the logical partition management table, judges described
Whether the element address scope of target logical partition is overlapping with the address realm of other logical partitions；
Second instruction output unit, for the element address scope when the target logical partition and other logical partitions
When address realm is not overlapping, to solid-state disk output to element address scope extended instruction, with to the target logical partition
Element address scope be extended；
Configured information output unit, for the element address scope when the target logical partition and other logical partitions
When address realm is overlapping, corresponding prompt message is exported.
It is preferred that, described information collecting unit is managed specifically for inputting the logical partition pre-established to the solid-state disk
Table acquisition instructions, to obtain the logical partition management table of solid-state disk；
Wherein, the logical partition management table acquisition instructions meet NVMe control protocols.
It is preferred that, in addition to：Logical partition manages table updating block, for when the establishment target logical partition or to institute
State target logical partition element address scope be extended after, the logical partition management table is updated, and preserve more
Logical partition management table after new.
A kind of solid-state disk logical partition management method, including：
Obtain the logical partition management table of solid-state disk；
Judge in the logical partition management table with the presence or absence of target logical partition mark；
If in the presence of to the deletion instruction of solid-state disk output target logical partition, to indicate that the solid-state disk deletes institute
State target logical partition；
If being not present, corresponding prompt message is exported.
It is preferred that, described deleted to solid-state disk output target logical partition instructs, to indicate that the solid-state disk is deleted
The target logical partition, also includes afterwards：
Indicate that the solid-state disk is updated to the logical partition management table, and preserve the logical partition after updating
Manage table.
A kind of solid-state disk logical partition managing device, including：
Information acquisition unit, the logical partition management table for obtaining solid-state disk；
First judging unit, for judging in the logical partition management table with the presence or absence of target logical partition mark；
3rd instruction output unit, for when there is target logical partition mark in the logical partition management table, to institute
State solid-state disk output target logical partition and delete instruction, to indicate that the solid-state disk deletes the target logical partition；
If being not present, corresponding prompt message is exported；
Configured information output unit, is used to target logical partition mark be not present in table when the logical partition is managed for referring to
Know, export corresponding prompt message.
Through as shown from the above technical solution, a kind of solid-state disk logical partition management method of disclosure and device.The party
Method is marked in the logical partition management table of solid-state disk, decision logic partition management table is got with the presence or absence of target logical partition
Know.If being not present, target logical partition instruction is created to solid-state disk output, to indicate that solid-state disk creates the target logic point
Area；If in the presence of, determine whether the target logical partition element address scope whether the address model with other logical partitions
Enclose overlapping；If not overlapping, to solid-state disk output to element address scope extended instruction, with the unit to target logical partition
Location scope is extended.The establishment and extension of the achievable solid-state disk logical partition of the present invention, so as to facilitate technical staff to solid-state
The management of disk.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 shows a kind of flow signal of solid-state disk logical partition management method disclosed in one embodiment of the invention
Figure；
Fig. 2 shows a kind of structural representation of logical partition disclosed in one embodiment of the invention；
Fig. 3 shows a kind of structural representation of solid-state disk logical partition managing device disclosed in another embodiment of the present invention
Figure；
Fig. 4 shows a kind of flow signal of solid-state disk logical partition management method disclosed in another embodiment of the present invention
Figure；
Fig. 5 shows a kind of structural representation of solid-state disk logical partition managing device disclosed in another embodiment of the present invention
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Show that a kind of flow of solid-state disk logical partition management method is shown disclosed in one embodiment of the invention referring to Fig. 1
It is intended to.In the present embodiment, this method is used for the establishment and extension for realizing solid-state disk logical partition.
As shown in Figure 1, the present invention includes：
S101：Obtain the logical partition management table of solid-state disk.
User can be pre-created the logical partition management table acquisition instructions for meeting solid-state disk NVMe control protocols, solid to obtain
The logical partition management table of state disk.
The sum of all logical partitions of logical partition management token record, and each details of logical partition, such as
Shown in following table；
| Title | Description |
| Totalnumberofnamespaces | Logical partition sum |
| NamespaceID | Logical partition is identified |
| Namespaceunitsize | The minimum administrative unit of logical partition |
| Startnamespaceunit | Logical partition unit initial address |
| Numberofnamespaceunit | Logical partition unit number |
Wherein, each logical partition is made up of a series of continuous logical partition units, but allows have logical partition unit
It is not belonging to any logical partition (structural representation that a kind of logical partition disclosed by the invention is shown referring to Fig. 2).
As shown in Figure 2, solid-state disk can include multiple logical partitions, and each logical partition includes multiple logical partition units.
It should be noted that the unit address scope that some logical partition is there may be in the solid-state disk feelings overlapping with other logical partitions
Condition.
S102：Judge in the logical partition management table with the presence or absence of target logical partition mark.
S103：If being not present, target logical partition instruction is created to solid-state disk output, is patrolled with creating the target
Collect subregion.
When target logical partition is not present in logical partition management table, is sent to solid-state disk and create target logical partition
Instruction.It is (e.g., single according to the relevant information of target logical partition after solid-state disk receives establishment target logical partition instruction
Bit address scope) set up the target logical partition in the relevant position of solid-state disk.
S104：If in the presence of, judge the target logical partition element address scope whether with other logical partitions
Address realm is overlapping.
S105：If not overlapping, to solid-state disk output to element address scope extended instruction, to patrol the target
The element address scope for collecting subregion is extended.
S106：If overlapping, corresponding prompt message is exported.
It should be noted that in the present invention after solid-state disk creates target logical partition, or target logical partition is entered
, it is necessary to which logical partition management table is updated after row extension process, and the logical partition management table after renewal is saved in solid-state
Disk nonvolatile storage area.
Through as shown from the above technical solution, a kind of solid-state disk logical partition management method of disclosure and device.The party
Method is marked in the logical partition management table of solid-state disk, decision logic partition management table is got with the presence or absence of target logical partition
Know.If being not present, target logical partition instruction is created to solid-state disk output, to indicate that solid-state disk creates the target logic point
Area；If in the presence of, determine whether the target logical partition element address scope whether the address model with other logical partitions
Enclose overlapping；If not overlapping, to solid-state disk output to element address scope extended instruction, with the unit to target logical partition
Location scope is extended.The establishment and extension of the achievable solid-state disk logical partition of the present invention, so as to facilitate technical staff to solid-state
The management of disk.
A kind of structure of solid-state disk logical partition managing device disclosed in another embodiment of the present invention is shown referring to Fig. 3
Schematic diagram.
The device includes：Information acquisition unit 1, the first judging unit 2, first instruction output unit 3, the second judging unit
4th, the second instruction output unit 5 and configured information output unit 6.
Wherein, information acquisition unit 1 is used for the logical partition management table for obtaining solid-state disk.Specifically, information acquisition unit 1
The logical partition management table acquisition instructions that meet solid-state disk NVMe control protocols will be pre-created to send to solid-state disk, it is solid to obtain
The logical partition management table of state disk.
And then, the first judging unit 2 is judged in logical partition management table with the presence or absence of target logical partition mark.
When target logical partition mark is not present in logical partition management table, first instructs output unit 3 to solid-state disk
Output creates the instruction of target logical partition, to indicate that solid-state disk creates the target logical partition.
When there is target logical partition mark in logical partition management table, the second judging unit 4 determines whether the mesh
Whether the element address scope for marking logical partition is overlapping with the address realm of other logical partitions.
When the element address scope of target logical partition is not overlapping with the address realm of other logical partitions, the second instruction
Output unit 5 is exported to element address scope extended instruction to the solid-state disk, with the unit to the target logical partition
Location scope is extended.
When the element address scope of the target logical partition is overlapping with the address realm of other logical partitions, letter is indicated
Cease output unit 6 and export corresponding prompt message to user.
It should be noted that in other embodiment disclosed by the invention, the device also includes logical partition management table more
New unit 7 is used to work as the establishment target logical partition or the element address scope to the target logical partition is extended
Afterwards, the logical partition management table is updated, and preserves the logical partition management table after updating.
A kind of flow of solid-state disk logical partition management method disclosed in another embodiment of the present invention is shown referring to Fig. 4
Schematic diagram.This method is used to realize that the deletion to solid-state disk logical partition to be managed.
As shown in Figure 4, this method includes：
S201：Obtain the logical partition management table of solid-state disk.
User can be pre-created the logical partition management table acquisition instructions for meeting solid-state disk NVMe control protocols.Should performing
During step, the logical partition management table acquisition instructions being pre-created are sent to solid-state disk, to obtain the logical partition of solid-state disk
Manage table.
S202：Judge in the logical partition management table with the presence or absence of target logical partition mark.
S203：If in the presence of to the deletion instruction of solid-state disk output target logical partition, to indicate that the solid-state disk is deleted
Except the target logical partition.
When there is target logical partition mark in the logical partition management table of solid-state disk, illustrate there is target in solid-state disk
Logical partition.Further, to solid-state disk send target logical partition delete instruct, with indicate solid-state disk by target logical partition from
Deleted in solid-state disk.
S204：If being not present, corresponding prompt message is exported.
It may be noted that when, when complete to target logical partition deletion action after, it is necessary to logical partition management table carry out
Update, and preserve the logical partition management table after updating.
A kind of structure of solid-state disk logical partition managing device disclosed in another embodiment of the present invention is shown referring to Fig. 5
Schematic diagram.
As shown in Figure 5, the device includes：Information acquisition unit 1, the first judging unit the 2, the 3rd instruct output unit 8, referred to
Show information output unit 6 and logical partition management table updating block 7.
Information acquisition unit 1 is used for the logical partition management table for obtaining solid-state disk.
Further, the first judging unit 2 is judged in the logical partition management table with the presence or absence of target logical partition mark.
When there is target logical partition mark in the logical partition management table, the 3rd instruction output unit 8 is to described solid
Instruction is deleted in state disk output target logical partition, to indicate that the solid-state disk deletes the target logical partition.
When target logical partition mark is not present in logical partition management table, configured information output unit 6 is then exported
Corresponding prompt message.
After solid-state disk completes the deletion action to target logical partition, logical partition manages table updating block 7 to logic
The information stored in partition management table is updated.
It should be noted that the system embodiment is corresponding with embodiment of the method, its implementation procedure is identical with principle is performed,
Therefore not to repeat here.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include be this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except also there is other identical element in the process including the key element, method, article or equipment.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of solid-state disk logical partition management method, it is characterised in that including：
Obtain the logical partition management table of solid-state disk；
Judge in the logical partition management table with the presence or absence of target logical partition mark；
If being not present, target logical partition instruction is created to solid-state disk output, to create the target logical partition；
If in the presence of, judge the target logical partition element address scope whether the address realm weight with other logical partitions
It is folded；
If not overlapping, to solid-state disk output to element address scope extended instruction, with to the target logical partition
Element address scope is extended；
If overlapping, corresponding prompt message is exported.
2. according to the method described in claim 1, it is characterised in that the logical partition management table for obtaining solid-state disk, including：
The logical partition management table acquisition instructions pre-established are inputted to the solid-state disk, to obtain the logical partition pipe of solid-state disk
Manage table；
The logical partition management table acquisition instructions meet NVMe control protocols.
3. according to the method described in claim 1, it is characterised in that described to create target logical partition to solid-state disk output
Instruction, to create the target logical partition, also includes afterwards：
Indicate that the solid-state disk is updated to the logical partition management table, and preserve the logical partition management after updating
Table.
4. according to the method described in claim 1, it is characterised in that described that element address scope is expanded to solid-state disk output
Exhibition instruction, is extended with the element address scope to the target logical partition, also included afterwards：
Indicate that the solid-state disk is updated to the logical partition management table, and preserve the logical partition management after updating
Table.
5. a kind of solid-state disk logical partition managing device, it is characterised in that including：
Information acquisition unit, the logical partition management table for obtaining solid-state disk；
First judging unit, for judging in the logical partition management table with the presence or absence of target logical partition mark；
First instruction output unit, for when the logical partition management table in be not present target logical partition mark when, then to
The solid-state disk output creates target logical partition instruction, to create the target logical partition；
Second judging unit, during for there is target logical partition mark in the logical partition management table, judges the target
Whether the element address scope of logical partition is overlapping with the address realm of other logical partitions；
Second instruction output unit, for the element address scope when the target logical partition and the address of other logical partitions
When scope is not overlapping, to solid-state disk output to element address scope extended instruction, with the list to the target logical partition
First address realm is extended；
Configured information output unit, for the element address scope when the target logical partition and the address of other logical partitions
During overlapping ranges, corresponding prompt message is exported.
6. device according to claim 6, it is characterised in that described information collecting unit is specifically for the solid-state disk
The logical partition management table acquisition instructions pre-established are inputted, to obtain the logical partition management table of solid-state disk；
Wherein, the logical partition management table acquisition instructions meet NVMe control protocols.
7. device according to claim 6, it is characterised in that also include：Logical partition manages table updating block, for working as
The target logical partition is created or after the element address scope to the target logical partition is extended, to the logic point
Area's management table is updated, and preserves the logical partition management table after updating.
8. a kind of solid-state disk logical partition management method, it is characterised in that including：
Obtain the logical partition management table of solid-state disk；
Judge in the logical partition management table with the presence or absence of target logical partition mark；
If in the presence of to the deletion instruction of solid-state disk output target logical partition, to indicate that the solid-state disk deletes the mesh
Mark logical partition；
If being not present, corresponding prompt message is exported.
9. method according to claim 8, it is characterised in that described to be deleted to solid-state disk output target logical partition
Instruction, to indicate that the solid-state disk deletes the target logical partition, also includes afterwards：
Indicate that the solid-state disk is updated to the logical partition management table, and preserve the logical partition management after updating
Table.
10. a kind of solid-state disk logical partition managing device, it is characterised in that including：
Information acquisition unit, the logical partition management table for obtaining solid-state disk；
First judging unit, for judging in the logical partition management table with the presence or absence of target logical partition mark；
3rd instruction output unit, for when there is target logical partition mark in the logical partition management table, to described solid
Instruction is deleted in state disk output target logical partition, to indicate that the solid-state disk deletes the target logical partition；
If being not present, corresponding prompt message is exported；
Configured information output unit, is used to target logical partition mark be not present in table when the logical partition is managed for referring to,
Export corresponding prompt message.
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| CN112306368B (en) * | 2019-07-24 | 2022-11-04 | 青岛海信传媒网络技术有限公司 | Method and device for expanding user data partition by EMMC (enhanced multi-media card) |
| CN112596678A (en) * | 2020-12-24 | 2021-04-02 | 深圳市得一微电子有限责任公司 | Storage device and firmware setting method and repartitioning method thereof |
| CN112596678B (en) * | 2020-12-24 | 2024-01-16 | 得一微电子股份有限公司 | Storage device, firmware setting method thereof and repartitioning method thereof |
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Application publication date: 20171103 |