CN101930403A - Hard disk system and access method thereof - Google Patents
Hard disk system and access method thereof Download PDFInfo
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- CN101930403A CN101930403A CN2009101463067A CN200910146306A CN101930403A CN 101930403 A CN101930403 A CN 101930403A CN 2009101463067 A CN2009101463067 A CN 2009101463067A CN 200910146306 A CN200910146306 A CN 200910146306A CN 101930403 A CN101930403 A CN 101930403A
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Abstract
The invention discloses a hard disk system and an access method thereof. The hard disk system comprises a first hard disk and a second hard disk, wherein the first hard disk is used for storing system data which is read only; and the second hard disk comprises an image data storage area and a change data storage area, wherein the image data storage area is used for storing image data generated according to a system data image of the first hard disk; the readable frequency of the first hard disk is lower than that of the second hard disk; and the hard disk system changes data through the change data storage area.
Description
Technical field
The invention relates to a kind of hard-disk system, and particularly comprise the hard-disk system that difference can be write the hard disk of indegree relevant for a kind of.
Background technology
Solid state hard disc is a kind of high speed, energy-conservation, low heating and the new-type hard disk of not fearing vibrations.Yet under many advantages, write the restriction of indegree, but become the mortal wound of solid state hard disc.If be applied on the server system, because need a large amount of and long data access, above-mentioned restriction will make the solid state hard disc life-span reduce rapidly, and usefulness is low, can't replace conventional hard.Yet conventional hard can not show a candle to the reading speed of solid state hard disc on the speed that reads.No matter be to utilize solid state hard disc or conventional hard, disadvantage is separately all arranged and can't make the best use of everything.
Therefore, how designing a new hard-disk system, can not be subject under the situation of writing indegree, carry out data access at a high speed, is an industry problem demanding prompt solution for this reason.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of hard-disk system and access method thereof, can not be subject under the situation of writing indegree, carry out data access at a high speed.
One embodiment of the present invention provides a kind of hard-disk system, comprises: first hard disk and second hard disk.First hard disk is that wherein system data only can read in order to the stocking system data; And second hard disk comprise Image Data storage area and incremental data storage area, the Image Data storage area is the Image Data that produce in order to the system data reflection that stores according to first hard disk; Wherein the indegree write of first hard disk is lower than the indegree write of second hard disk, and hard-disk system is to carry out data change by the incremental data storage area.
Another embodiment of the present invention is to provide a kind of hard-disk system access method, wherein hard-disk system comprises first hard disk and second hard disk, the indegree write of first hard disk is lower than the indegree write of second hard disk, and the hard-disk system access method comprises the following step: the Image Data storage area of system data to the second hard disk that first hard disk of videoing stores; The system data that first hard disk is stored reads; And the incremental data storage area of second hard disk carried out data change.
Application the invention has the advantages that by reading writing the first lower hard disk of indegree, and carries out the change of data to writing the second higher hard disk of indegree, can prolong the serviceable life of whole hard-disk system, and reach above-mentioned purpose easily.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, appended the description of the drawings is as follows:
Fig. 1 is the synoptic diagram of the hard-disk system of one embodiment of the invention; And
Fig. 2 is the process flow diagram of the hard-disk system access method of another embodiment of the present invention.
[primary clustering symbol description]
1: 10: the first hard disks of hard-disk system
11: 12: the second hard disks of system data
120: Image Data storage area 121: Image Data
122: incremental data storage area 123: data
Embodiment
Please refer to Fig. 1, be the synoptic diagram of the hard-disk system 1 of one embodiment of the invention.Hard-disk system 1 comprises: first hard disk 10 and second hard disk 12.Wherein first hard disk 10 is that one can to write indegree lower, but the higher hard disk of reading speed.In one embodiment, first hard disk 10 can be single solid state hard disc (solid state drive), or solid state hard disc Redundant Array of Independent Disks (RAID) (the Redundant Array of Independent Disks that is formed by a plurality of solid state hard discs; RAID).And second hard disk 12 is that one can to write indegree higher, but the lower hard disk of reading speed.In one embodiment, second hard disk 12 can be single liquid bearing hard disk, or the liquid bearing hard disk Redundant Array of Independent Disks (RAID) that is formed by a plurality of liquid bearing hard disks.In other embodiments, first hard disk 10 and second hard disk 12 may be the hard disk of other kind, and are not limit by above-mentioned embodiment.
First hard disk 10 is in order to stocking system data 11.Wherein system data 11 comprises kernel operating system, or also comprises other system information relevant with operating system.The system data 11 of first hard disk 10 only can read, and therefore whole hard-disk system 1, first hard disk 10 only is used for reading system data 11.And on the other hand, second hard disk 12 comprises Image Data storage area 120 and incremental data storage area 122.Wherein Image Data storage area 120 is in order to store the Image Data 121 according to the system data 11 reflection generations of first hard disk 10.Can produce with 12 of second hard disks by Image Data 121, the first hard disks 10 and to be connected.When hard-disk system 1 need be carried out data change, be the change of in fact incremental data storage area 122 being carried out data.For instance, if in hard-disk system 1 newly-increased data 123, then this item number will write incremental data storage area 122 according to 123, and can not carry out any write activity to first hard disk 10.And if these data 123 are changed in that hard-disk system 1 is follow-up again, also will incremental data storage area 122 stored data 123 be changed, and can not carry out any write activity first hard disk 10.Therefore, any data change that hard-disk system 1 is carried out all be to carry out for second hard disk 12, and first hard disk 10 only provides reading for system data 11.
Fig. 2 is the process flow diagram of the hard-disk system access method of another embodiment of the present invention.Wherein hard-disk system comprises first hard disk and second hard disk, and the indegree write of first hard disk is lower than the indegree write of second hard disk.The hard-disk system access method comprises the following step: in step 201, and the Image Data storage area of system data to the second hard disk that first hard disk of videoing stores; In step 202, the system data that first hard disk is stored reads; And in step 203, to the incremental data storage area of second hard disk carrying out data change.
By the invention described above embodiment as can be known, the invention has the advantages that by writing indegree lower, and reading speed faster first hard disk read, and it is higher to writing indegree, but the second slower hard disk of reading speed carries out the change of data, and can prolong the serviceable life of whole hard-disk system.
Though the present invention discloses as above with embodiment; right its is not in order to qualification the present invention, any person skilled in the art, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Claims (10)
1. a hard-disk system is characterized in that, comprises:
One first hard disk, in order to store a system data, wherein this system data only can read; And
One second hard disk comprises an Image Data storage area and an incremental data storage area, and this Image Data storage area is in order to store the Image Data according to this system data reflection generation of this first hard disk;
Wherein the indegree write of this first hard disk is lower than the indegree write of this second hard disk, and this hard-disk system is to carry out a data change by this incremental data storage area.
2. hard-disk system according to claim 1 is characterized in that, this first hard disk comprises a solid state hard disc.
3. hard-disk system according to claim 1 is characterized in that, this first hard disk comprises a solid state hard disc Redundant Array of Independent Disks (RAID).
4. hard-disk system according to claim 1 is characterized in that, this second hard disk comprises a liquid bearing hard disk.
5. hard-disk system according to claim 1 is characterized in that, this second hard disk comprises a liquid bearing hard disk Redundant Array of Independent Disks (RAID).
6. hard-disk system according to claim 1 is characterized in that this system data comprises a kernel operating system.
7. hard-disk system according to claim 1 is characterized in that the reading speed of this first hard disk is faster than the reading speed of this second hard disk.
8. a hard-disk system access method is characterized in that, this hard-disk system comprises one first hard disk and one second hard disk, and the indegree write of this first hard disk is lower than the indegree write of this second hard disk, and this hard-disk system access method comprises the following step:
System data that this first hard disk stores the Image Data storage area of videoing to this second hard disk;
This system data that this first hard disk is stored reads; And
Incremental data storage area to this second hard disk carries out a data change.
9. hard-disk system access method according to claim 8, it is characterized in that, this first hard disk comprises a solid state hard disc or a solid state hard disc Redundant Array of Independent Disks (RAID), and this second hard disk comprises a liquid bearing hard disk or a liquid bearing hard disk Redundant Array of Independent Disks (RAID).
10. hard-disk system access method according to claim 8 is characterized in that the reading speed of this first hard disk is faster than the reading speed of this second hard disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101463067A CN101930403A (en) | 2009-06-19 | 2009-06-19 | Hard disk system and access method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101463067A CN101930403A (en) | 2009-06-19 | 2009-06-19 | Hard disk system and access method thereof |
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| CN101930403A true CN101930403A (en) | 2010-12-29 |
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| CN2009101463067A Pending CN101930403A (en) | 2009-06-19 | 2009-06-19 | Hard disk system and access method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573822A (en) * | 2015-12-21 | 2016-05-11 | 国云科技股份有限公司 | Method for reducing disk space of virtual machine |
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2009
- 2009-06-19 CN CN2009101463067A patent/CN101930403A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573822A (en) * | 2015-12-21 | 2016-05-11 | 国云科技股份有限公司 | Method for reducing disk space of virtual machine |
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Open date: 20101229 |