CN105260146A - Setting method and device capable of saving energy for disk - Google Patents
Setting method and device capable of saving energy for disk Download PDFInfo
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- CN105260146A CN105260146A CN201510822346.4A CN201510822346A CN105260146A CN 105260146 A CN105260146 A CN 105260146A CN 201510822346 A CN201510822346 A CN 201510822346A CN 105260146 A CN105260146 A CN 105260146A
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Abstract
The embodiment of the invention discloses a setting method and device capable of saving energy for a disk. The method comprises the steps that business pressure values of each disk in each redundant disk group at different time periods are analyzed, and the time period in which the business pressure value is smaller than a preset threshold is set to be in an idle state; a disk sleep schedule is set according to the time period of each disk in the idle state; the corresponding disk is controlled to conduct sleeping according to the time period of each disk in the idle state in the disk sleep schedule. In this way, by means of an energy-saving setting mode, sleeping is conducted on multiple disks in a disk array in the time period in which the business pressure value is smaller, and the effect of saving energy is achieved.
Description
Technical field
The present invention relates to disk array and store energy-saving field, more particularly, relate to the energy-conservation method to set up of a kind of disk and device.
Background technology
Along with the develop rapidly of infotech, the demand that data store is also in quick increase.Disk array has very high Performance And Reliability in data storage, but disk array also brings very large energy consumption.Disk is one of main energy consumption in array, energy-conservation great to whole disk array energy-saving significance for disk.Energy-conservation at present for disk, mainly when disk does not have read-write requests, is in dormant state by disk.When there being read-write requests, by Suspend To Disk.But in practical application, even if when traffic pressure is very little, the scene for a long time without read-write requests is also little, and disk also cannot be in dormant state, and also can be waken up very soon even if disk enters dormant state, energy-saving effect is limited.
Therefore, the energy-saving effect how strengthening disk is the problem needing now to solve.
Summary of the invention
The method to set up that the object of the present invention is to provide a kind of disk energy-conservation and device, to strengthen the energy-saving effect of disk.
For achieving the above object, following technical scheme is embodiments provided:
The method to set up that disk is energy-conservation, comprising:
Analyze the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk;
According to the time period of each disk in idle condition, setting disc dormancy timetable;
Be in the time period of idle condition according to each disk in described disc dormancy timetable, control corresponding disk and carry out dormancy.
Preferably, also comprise:
Receive the write command to the first redundancy magnetic disk group write data;
Judge whether described first redundancy magnetic disk group exists the disk of dormancy; If so, then data to be written are saved to buffer area.
Preferably, described data to be written are saved to buffer area before, also comprise:
Judge whether described data to be written are greater than the watermark threshold of described buffer area; If so, the disk that buffer data size in dormancy is maximum is then waken up; If not, then continue to perform described step data to be written being saved to buffer area.
Preferably, also comprise:
Reception reads instruction from the second redundancy magnetic disk group reading data;
Judge whether there are data to be read in described buffer area; If so, then read from described buffer area; If not, then read by described second redundancy magnetic disk group degradation.
Preferably, described data to be written are saved to buffer area after, comprising:
If described first redundancy magnetic disk group is in the time period of busy state, then wake the disk of dormancy in described first redundancy magnetic disk group up, and by the described first redundancy magnetic disk group of data write in described buffer area.
The setting device that disk is energy-conservation, comprising:
Traffic pressure statistical module, for analyzing the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk; According to the time period of each disk in idle condition, setting disc dormancy timetable;
Disc dormancy module, for being in the time period of idle condition according to each disk in described disc dormancy timetable, controlling corresponding disk and carries out dormancy.
Preferably, also comprise:
Read-write processing module, described read-write processing module comprises:
First receiving element, for receiving the write command to the first redundancy magnetic disk group write data;
First judging unit, for judging whether described first redundancy magnetic disk group exists the disk of dormancy; If so, then disk writing unit is triggered;
Described disk writing unit, for being saved to buffer area by data to be written.
Preferably, described read-write processing module also comprises:
Second judging unit, for judging whether described data to be written are greater than the watermark threshold of described buffer area; If so, then Suspend To Disk module is triggered; If not, then trigger described disk writing unit and data to be written are saved to buffer area;
Described Suspend To Disk module, for waking the maximum disk of buffer data size in dormancy up.
Preferably, described read-write processing module also comprises:
Second receiving element, for receive from second redundancy magnetic disk group read data read instruction;
3rd judging unit, for judging whether there are data to be read in described buffer area; If so, the first disk reading unit is then triggered; If not, then second disk reading unit is triggered;
Described first disk reading unit, for reading corresponding data from described buffer area;
Described second disk reading unit, for reading corresponding data by described second redundancy magnetic disk group degradation.
Preferably, described Suspend To Disk module specifically for:
If described first redundancy magnetic disk group is in the time period of busy state, then wake the disk of dormancy in described first redundancy magnetic disk group up, and by the described first redundancy magnetic disk group of data write in described buffer area.
Known by above scheme, the method to set up that a kind of disk that the embodiment of the present invention provides is energy-conservation and device, comprise: analyze the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk; According to the time period of each disk in idle condition, setting disc dormancy timetable; The time period of idle condition is according to each disk in described disc dormancy timetable, control corresponding disk and carry out dormancy, visible, this energy-conservation set-up mode that the present embodiment provides, can within the time period that traffic pressure is less, multiple disks in disk array are carried out dormancy, reaches energy-conservation effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The method to set up schematic flow sheet that Fig. 1 a kind of disk disclosed in the embodiment of the present invention is energy-conservation;
The method to set up schematic flow sheet that Fig. 2 another kind of disk disclosed in the embodiment of the present invention is energy-conservation;
The method to set up schematic flow sheet that Fig. 3 another kind of disk disclosed in the embodiment of the present invention is energy-conservation;
Read-write requests schematic diagram under Fig. 4 disc dormancy state disclosed in the embodiment of the present invention;
The setting device structural representation that Fig. 5 a kind of disk disclosed in the embodiment of the present invention is energy-conservation;
The setting device structural representation that Fig. 6 another kind of disk disclosed in the embodiment of the present invention is energy-conservation.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses the energy-conservation method to set up of a kind of disk and device, to strengthen the energy-saving effect of disk.
See Fig. 1, the method to set up that a kind of disk that the embodiment of the present invention provides is energy-conservation, comprising:
S101, analyze the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk;
Concrete, in disk array, often use RAID technique to realize Redundancy Design, therefore in conjunction with the redundancy of RAID, energy-conservation method to set up is described in the present embodiment.But it should be noted that, the present embodiment is not limited in the scene of the redundancy using RAID technique hyperdisk, and other redundancies are also applicable.
Concrete, in the present embodiment, analyze the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, it is the IO free time section by analysis and comment disk group, namely the IO mailing to each redundancy magnetic disk group is counted, count in the unit interval, for the IO sum of each redundancy magnetic disk group, find out the time period that IO sum is less than setting threshold value, can time period of dormancy in this, as disk, the time period that namely in the unit interval, IO sum is less than setting threshold value is the idle condition of disk.
S102, according to the time period of each disk in idle condition, setting disc dormancy timetable;
Concrete, in the present embodiment, statistical study is carried out to the business read-write pressure condition of different time sections, draw the traffic pressure situation in each time cycle, therefore, because the free time section of each disk group is different, can according to this property settings dormancy time table.
S103, be in time period of idle condition according to each disk in described disc dormancy timetable, control corresponding disk and carry out dormancy.
Concrete, in S102, set a dormancy time table, namely within the time cycle of traffic pressure lower than setting threshold value, think current and be in idle condition, then according to this time, can select and can carry out dormancy disk, and in the time period of idle condition, disc dormancy is carried out to disk.
Concrete, because idle condition is IO free time section, therefore the present embodiment is first according to redundancy magnetic disk rank and redundancy magnetic disk group state, finds the redundancy magnetic disk group that there is redundancy, i.e. RAID group.Analyze the idle IO time period of this RAID group, namely in this section, this RAID group can enter dormant state free time.And constantly according to disc dormancy timetable, the disk existed in the RAID group of idle condition can be carried out dormancy.
See Fig. 2, the method to set up that the another kind of disk that the embodiment of the present invention provides is energy-conservation, comprising:
S201, analyze the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk;
S202, according to the time period of each disk in idle condition, setting disc dormancy timetable;
S203, be in time period of idle condition according to each disk in described disc dormancy timetable, control corresponding disk and carry out dormancy;
S204, receive to first redundancy magnetic disk group write data write command;
S205, judge whether described first redundancy magnetic disk group exists the disk of dormancy; If so, then data to be written are saved to buffer area.
Preferably, described data to be written are saved to buffer area before, also comprise:
Judge whether described data to be written are greater than the watermark threshold of described buffer area; If so, the disk that buffer data size in dormancy is maximum is then waken up; If not, then continue to perform described step data to be written being saved to buffer area.
Concrete, when there is the disk of dormancy in redundancy magnetic disk group, when receiving the write request to this disk, first can judge whether the data write are greater than the level thresholds of buffer area, when being greater than, then express possibility and there is the risk of inadequate buffer space, now notice wakes the maximum disk of buffer data size up, data is write; When the data write are the level thresholds being less than buffer area, then data are write buffer area.By the time after this redundancy magnetic disk group is waken up, the data in buffer area are drawn in disk again, and the response data in buffer area is removed.
See Fig. 3, the method to set up that the another kind of disk that the embodiment of the present invention provides is energy-conservation, comprising:
S301, analyze the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk;
S302, according to the time period of each disk in idle condition, setting disc dormancy timetable;
S303, be in time period of idle condition according to each disk in described disc dormancy timetable, control corresponding disk and carry out dormancy;
S304, receive from second redundancy magnetic disk group read data read instruction;
S305, judge whether there are data to be read in described buffer area; If so, then read from described buffer area; If not, then read by described second redundancy magnetic disk group degradation.
See Fig. 4, for the read-write requests schematic diagram under disc dormancy state, to the RAID group in dormancy read process, preferentially read from buffer area, if there are not these data in buffer area, then read by RAID degradation, namely carry out exclusive or check according to the disk of never dormancy and generate data, and the present embodiment is supported in multiple different RAID group and has disk to carry out dormancy simultaneously.
Preferably, described data to be written are saved to buffer area after, comprising:
If described first redundancy magnetic disk group is in the time period of busy state, then wake the disk of dormancy in described first redundancy magnetic disk group up, and by the described first redundancy magnetic disk group of data write in described buffer area.
Concrete, in the present embodiment, when disk current state is busy state, after namely disc dormancy terminates, by dormancy Suspend To Disk, by the date restoring of buffer area to waking disk up, often read to the correction of reading of RAID group.And the data removed in buffer area.
Concrete, the present embodiment is based on disk array redundancy feature, when traffic pressure is less, disk is carried out dormancy, between rest period, for the write request of disk, by caching mechanism by data to be written write buffer zone, read request based on array redundancy characteristic, can be carried out calculating by other non-dormancy disks and generates, thus, by reaching energy-conservation effect to the dormancy of disk.
The method to set up that a kind of disk that the embodiment of the present invention provides is energy-conservation, comprising: analyze the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk; According to the time period of each disk in idle condition, setting disc dormancy timetable; The time period of idle condition is according to each disk in described disc dormancy timetable, control corresponding disk and carry out dormancy, visible, this energy-conservation set-up mode that the present embodiment provides, can within the time period that traffic pressure is less, multiple disks in disk array are carried out dormancy, reaches energy-conservation effect.
The energy-conservation setting device of a kind of disk provided the present embodiment is below described, and the setting device that a kind of disk described below is energy-conservation and the energy-conservation method to set up of above-described a kind of disk can be cross-referenced.
See Fig. 5, the setting device that a kind of disk that the embodiment of the present invention provides is energy-conservation, comprising:
Traffic pressure statistical module 100, for analyzing the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk; According to the time period of each disk in idle condition, setting disc dormancy timetable;
Disc dormancy module 200, for being in the time period of idle condition according to each disk in described disc dormancy timetable, controlling corresponding disk and carries out dormancy.
The setting device that a kind of disk that the embodiment of the present invention provides is energy-conservation, comprise: traffic pressure statistical module 100, for analyzing the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk; According to the time period of each disk in idle condition, setting disc dormancy timetable; Disc dormancy module 200, for being in the time period of idle condition according to each disk in described disc dormancy timetable, controlling corresponding disk and carries out dormancy.Visible, the multiple disks in disk array within the time period that traffic pressure is less, can be carried out dormancy, reach energy-conservation effect by this energy-conservation set-up mode that the present embodiment provides.
On basis embodiment illustrated in fig. 5, the energy-conservation setting device structural representation of the another kind of disk that the embodiment of the present application provides as described in Figure 6, also comprises:
Read-write processing module 300, described read-write processing module comprises:
First receiving element, for receiving the write command to the first redundancy magnetic disk group write data;
First judging unit, for judging whether described first redundancy magnetic disk group exists the disk of dormancy; If so, then disk writing unit is triggered;
Described disk writing unit, for being saved to buffer area by data to be written;
Second judging unit, for judging whether described data to be written are greater than the watermark threshold of described buffer area; If so, then Suspend To Disk module 400 is triggered; If not, then trigger described disk writing unit and data to be written are saved to buffer area;
Described Suspend To Disk module 400, for waking the maximum disk of buffer data size in dormancy up;
Described read-write processing module 300 also comprises:
Second receiving element, for receive from second redundancy magnetic disk group read data read instruction;
3rd judging unit, for judging whether there are data to be read in described buffer area; If so, the first disk reading unit is then triggered; If not, then second disk reading unit is triggered;
Described first disk reading unit, for reading corresponding data from described buffer area;
Described second disk reading unit, for reading corresponding data by described second redundancy magnetic disk group degradation.
Preferably, in another embodiment of the invention, described Suspend To Disk module specifically for:
If described first redundancy magnetic disk group is in the time period of busy state, then wake the disk of dormancy in described first redundancy magnetic disk group up, and by the described first redundancy magnetic disk group of data write in described buffer area.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the method to set up that disk is energy-conservation, is characterized in that, comprising:
Analyze the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk;
According to the time period of each disk in idle condition, setting disc dormancy timetable;
Be in the time period of idle condition according to each disk in described disc dormancy timetable, control corresponding disk and carry out dormancy.
2. method to set up according to claim 1, is characterized in that, also comprises:
Receive the write command to the first redundancy magnetic disk group write data;
Judge whether described first redundancy magnetic disk group exists the disk of dormancy; If so, then data to be written are saved to buffer area.
3. method to set up according to claim 2, is characterized in that, described data to be written are saved to buffer area before, also comprise:
Judge whether described data to be written are greater than the watermark threshold of described buffer area; If so, the disk that buffer data size in dormancy is maximum is then waken up; If not, then continue to perform described step data to be written being saved to buffer area.
4. method to set up according to claim 3, is characterized in that, also comprises:
Reception reads instruction from the second redundancy magnetic disk group reading data;
Judge whether there are data to be read in described buffer area; If so, then read from described buffer area; If not, then read by described second redundancy magnetic disk group degradation.
5. method to set up according to claim 4, is characterized in that, described data to be written are saved to buffer area after, comprising:
If described first redundancy magnetic disk group is in the time period of busy state, then wake the disk of dormancy in described first redundancy magnetic disk group up, and by the described first redundancy magnetic disk group of data write in described buffer area.
6. the setting device that disk is energy-conservation, is characterized in that, comprising:
Traffic pressure statistical module, for analyzing the traffic pressure value of each disk in each redundancy magnetic disk group in different time sections, and to set the time period that traffic pressure value is less than predetermined threshold value be the idle condition of disk; According to the time period of each disk in idle condition, setting disc dormancy timetable;
Disc dormancy module, for being in the time period of idle condition according to each disk in described disc dormancy timetable, controlling corresponding disk and carries out dormancy.
7. setting device according to claim 6, is characterized in that, also comprises:
Read-write processing module, described read-write processing module comprises:
First receiving element, for receiving the write command to the first redundancy magnetic disk group write data;
First judging unit, for judging whether described first redundancy magnetic disk group exists the disk of dormancy; If so, then disk writing unit is triggered;
Described disk writing unit, for being saved to buffer area by data to be written.
8. setting device according to claim 7, is characterized in that, described read-write processing module also comprises:
Second judging unit, for judging whether described data to be written are greater than the watermark threshold of described buffer area; If so, then Suspend To Disk module is triggered; If not, then trigger described disk writing unit and data to be written are saved to buffer area;
Described Suspend To Disk module, for waking the maximum disk of buffer data size in dormancy up.
9. setting device according to claim 8, is characterized in that, described read-write processing module also comprises:
Second receiving element, for receive from second redundancy magnetic disk group read data read instruction;
3rd judging unit, for judging whether there are data to be read in described buffer area; If so, the first disk reading unit is then triggered; If not, then second disk reading unit is triggered;
Described first disk reading unit, for reading corresponding data from described buffer area;
Described second disk reading unit, for reading corresponding data by described second redundancy magnetic disk group degradation.
10. setting device according to claim 9, is characterized in that, described Suspend To Disk module specifically for:
If described first redundancy magnetic disk group is in the time period of busy state, then wake the disk of dormancy in described first redundancy magnetic disk group up, and by the described first redundancy magnetic disk group of data write in described buffer area.
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| CN201510822346.4A CN105260146A (en) | 2015-11-24 | 2015-11-24 | Setting method and device capable of saving energy for disk |
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| CN201510822346.4A CN105260146A (en) | 2015-11-24 | 2015-11-24 | Setting method and device capable of saving energy for disk |
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Application publication date: 20160120 |