CN102609070B - Apparatus for saving energy by using MAID (massive array of independent disks) technique - Google Patents
Apparatus for saving energy by using MAID (massive array of independent disks) technique Download PDFInfo
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- CN102609070B CN102609070B CN201110441853.5A CN201110441853A CN102609070B CN 102609070 B CN102609070 B CN 102609070B CN 201110441853 A CN201110441853 A CN 201110441853A CN 102609070 B CN102609070 B CN 102609070B
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Abstract
The invention provides an apparatus for saving energy by using MAID technique. The apparatus located in a disk array cabinet comprises an information scanning module for scanning each disk slot in the disk array cabinet, acquiring and recording power management level supported by each disk, the power management level including support advanced power management, support standard power management or not support power management; an information input module for receiving a description information of a to-be-constructed RAID (redundant array of independent disks) inputted by a user, the information including the level, the capacity and the MAID level of the RAID; and a disk matching module used for matching disks to construct the RAID according to the MAID level of the RAID.
Description
Technical field
The present invention relates to raid-array (RAID, Redundant Array of Independent Disk) technology, relate in particular to a kind of MAID (MAID, Massive Arrays of Idle Disks) technology of utilizing and realize energy-conservation equipment.
Background technology
Raid-array (RAID, Redundant Array of Independent Disk) be a kind of polylith independently hard disk (physical hard disk) by different modes, combine and form a hard disk groups (logic hard disk), thereby provide than the technology of the higher memory property of single hard disk and data backup ability.RAID, by use a plurality of disks simultaneously, has improved transfer rate.RAID significantly improves the data throughout (Throughput) of storage system by storage simultaneously and reading out data on a plurality of disks.In RAID, can allow a lot of disc drivers transmit data, and these disc drivers are logically disc drivers, so use RAID can reach the even speed of hundreds of times of several times of single disc drivers, tens times simultaneously.
When high data transfer rates is provided, the energy consumption of the relatively single hard disk storage system of the energy consumption of RAID system is also much higher.In RAID system, disk power consumption almost accounts for 1/4th of the total power consumption of data center, accounts for storage power consumption more than 70%.Along with the continuous upgrading of energy scarcity, user's awareness of saving energy also improves constantly.According to a nearest investigation result, show, 68% user is using the energy-conservation important consideration factor as selecting IT product.
If there is no energy-saving design, when RAID system is moved from starting shooting, the wherein i.e. full-speed operation always of all disks.Actual conditions are in most cases, to only have part disk to participate in the read-write of data or metadata.Caused like this significant wastage of energy consumption.In prior art, there is a kind of MAID (MAID, Massive Arrays of Idle Disks) technology, can reduce the power consumption of RAID.When not using, this technology, by closing the disc driver that power consumption is large, allows them in sleep state, thereby reaches the object that reduces energy consumption.
If it is energy-conservation to utilize MAID technology to realize RAID, each disk that need to form RAID is all supported identical MAID rank, just can reach best energy-saving effect, if wherein any disk is not supported MAID technology, whole RAID does not support MAID.The normal magnetic disk array cabinet that adopts is as the hardware carrier of RAID at present.Magnetic disk array cabinet is a kind of chassis equipment that polylith hard disk can be installed.In some application scenario, many magnetic disk array cabinets are formed to magnetic disk array cabinet group.Disk groove position in magnetic disk array cabinet may reach tens, if the situation of magnetic disk array cabinet group, disk number of slots order may be more.General is to be all installed on these installation positions according to the hard disk of need to purchasing of practical application in batches, so the different disk possible capacity in magnetic disk array cabinet, type, manufacturer are not identical yet.In prior art, when creating RAID, be generally that user adopts manual mode to select some hard disks in magnetic disk array cabinet, configure corresponding software and make selected hard disk form RAID.The mode of this selection hard disk cannot make RAID make full use of MAID technology to carry out energy-conservation.
Summary of the invention
The invention provides a kind of MAID of utilization technology and realize energy-conservation equipment, the energy-conservation difference between the dissimilar disk of Intelligent treatment, and free time dish and member's dish are carried out to different energy-efficient deployments.To obtain good energy-saving effect.
The embodiment of the present invention provides a kind of MAID (MAID) technology of utilizing to realize energy-conservation equipment, and this equipment is arranged in magnetic disk array cabinet, comprising:
Information scanning module, for each hard-disk slots of scanning disk disk array cabinet, obtains and records the power management rank that each hard disk is supported, power management rank comprises to be supported the power management of Advanced Program Zoom, support standard or does not support power management;
MIM message input module, for receiving the descriptor of the RAID that will set up of user's input, comprising rank, the capacity of RAID, and the MAID rank of RAID;
Disk matching module, for according to the MAID class information of the RAID of described description, mates disk and sets up RAID.
Preferably, the disk that disk matching module mates suitable power supply support level according to MAID rank is set up RAID: if MAID rank is MAID0, first in the disk of not supporting power management, mates disk and set up RAID; If MAID rank is MAID1, first in the disk of supporting reference power supply management, mates disk and set up RAID; If MAID rank is MAID2, in the disk of supporting Advanced Program Zoom, mates disk and set up RAID; If MAID rank is MAID3, first in the disk of supporting Advanced Program Zoom, mates disk and set up RAID.
Preferably, this equipment further comprises:
Energy-conservation rank adjusting module, for preserving IO access closeness and the corresponding MAID rank thereof setting in advance, and the IO access times of adding up the RAID of having set up, the IO obtaining according to statistics access closeness arranges corresponding MAID rank to this RAID; Wherein IO access closeness is the IO access times in the unit interval, and the numerical value of IO access closeness is lower, and corresponding MAID rank is higher.
Preferably, this equipment further comprises: idle dish power management module, for the free time dish to magnetic disk array cabinet, carry out power management, and if the free time of active state dish does not have IO operation within a predetermined period of time, this free time dish is set to holding state; If the free time dish to holding state has IO operation, free time dish is switched to active state.
As can be seen from the above technical solutions, the rank of the power management that disk is supported in autoscan magnetic disk array cabinet, by supporting the hard disk of same power supplies supervisory level, set up RAID, give full play to the energy conservation characteristic feature of each dish, and avoid dragging down the whole energy effect of this RAID, by RAID, be that unit sets MAID rank, can meet the energy-conservation demand of various different application; Also include the free time dish in magnetic disk array cabinet in power management, achieve the energy-saving effect of similar MAID.
Accompanying drawing explanation
Figure 1 shows that a kind of MAID of utilization technology of embodiment of the present invention proposition realizes the block diagram of energy-conservation equipment.
Embodiment
A kind of MAID of the utilization technology that is illustrated in figure 1 embodiment of the present invention proposition realizes the block diagram of energy-conservation equipment, and this equipment is arranged in magnetic disk array cabinet, comprising:
Information scanning module 101, for each hard-disk slots of scanning disk disk array cabinet, obtains the relevant information of idle hard disk.
Described relevant information includes but not limited to hard disk type, capacity, manufacturer, position of installing hard disk and hard disk praameter.Described hard disk praameter comprises supported MAID rank, specifically can be divided into: power management, these three ranks of support Advanced Program Zoom of not supporting power management, support standard.
MIM message input module 102, for receiving the descriptor of the RAID that will set up of user's input, comprising rank, the capacity of RAID, and the MAID rank of RAID.
Hard disk matching module 103, for according to the MAID class information of the RAID of described description, mates disk and sets up RAID.
Preferably, the disk that disk matching module 103 mates suitable power supply support level according to MAID rank is set up RAID: if MAID rank is MAID0, first in the disk of not supporting power management, mates disk and set up RAID; If MAID rank is MAID1, first in the disk of supporting reference power supply management, mates disk and set up RAID; If MAID rank is MAID2, in the disk of supporting Advanced Program Zoom, mates disk and set up RAID; If MAID rank is MAID3, first in the disk of supporting Advanced Program Zoom, mates disk and set up RAID.
Under other embodiments, first hard disk matching module 103 also can mate hard disk in the hard disk of supporting Advanced Program Zoom sets up RAID, if the match is successful, the MAID rank that set up RAID is set is MAID0, MAID1, MAID2 or MAID3, and end process; If it fails to match mates hard disk and sets up RAID in the hard disk of the power management of standard, if the MAID rank that the match is successful arranges the RAID of establishment is MAID0, MAID1 or MAID3 end process; If it fails to match again mates hard disk and set up RAID in the hard disk of not supporting power management, if the MAID rank that the match is successful arranges set up RAID is MAID0 end process, if it fails to match, return to unsuccessfully information.
Wherein between the hard disk support activities state (active) in the RAID of MAID1, idle condition (idle), low-voltage state (lowpower), switch, between hard disk support activities state in the RAID of MAID2, idle condition, low-voltage state, lower-speed state (lowspeed), switch, and the RAID of MAID3 has two kinds of situations: if member's hard disk of RAID is all supported Advanced Program Zoom, disk can switch between active state, idle condition, low-voltage state, lower-speed state and standby (standby) state; If member's disk of RAID is only supported reference power supply management, disk switches between active state, idle condition, low-voltage state and holding state.
Preferably, the initial MAID rank of the RAID that the hard disk of support Advanced Program Zoom is set up is set to MAID2, supports the initial MAID rank of the RAID of the hard disk establishment that reference power supply is managed to be set to MAID1.
Preferably, this RAID equipment further comprises:
Energy-conservation rank adjusting module, for preserving IO access closeness and the corresponding MAID rank thereof setting in advance, and the IO access times of adding up the RAID of having set up, the IO obtaining according to statistics access closeness arranges corresponding MAID rank to this RAID; Wherein IO access closeness is the IO access times in the unit interval, and the numerical value of IO access closeness is lower, and corresponding MAID rank is higher.
For example, the current MAID rank of RAID is MAID2, if the IO number of statistics is less than the IO that MAID2 is corresponding, counts lower limit, will in MAID rank, be adjusted to MAID3, if the IO number of statistics is greater than the IO that MAID2 is corresponding, counts the upper limit, MAID rank is adjusted downward to MAID 1.And if the current MAID rank of RAID is MAID1, if being less than the IO that MAID1 is corresponding, the IO number of statistics counts lower limit, and this RAID support MAID2, by its MAID rank adjusting, be MAID2, if do not support MAID2, by its MAID rank adjusting, be MAID3.
Preferably, this RAID equipment can further include:
For the free time dish to magnetic disk array cabinet, carry out power management, if the free time of active state dish does not have IO operation within a predetermined period of time, this free time dish is set to holding state; If the free time dish to holding state has IO operation, free time dish is switched to active state.
The present invention program can be achieved as follows technique effect:
(a) disk of supporting different electrical power management characteristic not mixed insertion enters a RAID, and give full play to the energy conservation characteristic feature of each dish, and avoid dragging down the whole energy effect of this RAID,
(b) by RAID, be that unit sets MAID rank, can meet the energy-conservation demand of various different application;
(c) also include the free time dish in magnetic disk array cabinet in power management, achieve the energy-saving effect of similar MAID.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (3)
1. utilize MAID MAID technology to realize an energy-conservation equipment, this equipment is arranged in magnetic disk array cabinet, comprising:
Information scanning module, for each hard-disk slots of scanning disk disk array cabinet, obtains and records the power management rank that each hard disk is supported, power management rank comprises to be supported the power management of Advanced Program Zoom, support standard or does not support power management;
MIM message input module, for receiving the descriptor of the RAID that will set up of user's input, comprising rank, the capacity of RAID, and the MAID rank of RAID;
Disk matching module, sets up RAID for mate the disk of suitable power supply support level according to MAID rank: if MAID rank is MAID0, first in the disk of not supporting power management, mates disk and set up RAID; If MAID rank is MAID1, first in the disk of supporting reference power supply management, mates disk and set up RAID; If MAID rank is MAID2, in the disk of supporting Advanced Program Zoom, mates disk and set up RAID; If MAID rank is MAID3, first in the disk of supporting Advanced Program Zoom, mates disk and set up RAID.
2. equipment according to claim 1, is characterized in that, this equipment further comprises:
Energy-conservation rank adjusting module, for preserving IO access closeness and the corresponding MAID rank thereof setting in advance, and the IO access times of adding up the RAID of having set up, the IO obtaining according to statistics access closeness arranges corresponding MAID rank to this RAID; Wherein IO access closeness is the IO access times in the unit interval, and the numerical value of IO access closeness is lower, and corresponding MAID rank is higher.
3. equipment according to claim 1, it is characterized in that, this equipment further comprises: idle dish power management module, for the free time dish to magnetic disk array cabinet, carry out power management, if the free time of active state dish does not have IO operation within a predetermined period of time, this free time dish is set to holding state; If the free time dish to holding state has IO operation, free time dish is switched to active state.
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| CN103576835B (en) * | 2013-10-30 | 2016-06-29 | 华为技术有限公司 | The data manipulation method of a kind of dormancy disk and device |
| CN114063912A (en) * | 2021-10-31 | 2022-02-18 | 郑州云海信息技术有限公司 | RAID configuration method, system, equipment and storage medium |
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| CN101196796A (en) * | 2006-12-04 | 2008-06-11 | 英业达股份有限公司 | Method for expanding storage space of magnetic disk redundant array |
| CN101221485A (en) * | 2008-01-24 | 2008-07-16 | 创新科存储技术（深圳）有限公司 | Method for establishing redundant magnetic disk array and control device thereof |
| CN101984399A (en) * | 2010-10-29 | 2011-03-09 | 中兴通讯股份有限公司 | Management method and system of soft redundant array of independent disk |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4687814B2 (en) * | 2008-06-26 | 2011-05-25 | 日本電気株式会社 | Virtual tape device, data backup method and recording medium |
| US8201001B2 (en) * | 2009-08-04 | 2012-06-12 | Lsi Corporation | Method for optimizing performance and power usage in an archival storage system by utilizing massive array of independent disks (MAID) techniques and controlled replication under scalable hashing (CRUSH) |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101162422A (en) * | 2006-10-11 | 2008-04-16 | 株式会社日立制作所 | Storage apparatus and control method thereof |
| CN101196796A (en) * | 2006-12-04 | 2008-06-11 | 英业达股份有限公司 | Method for expanding storage space of magnetic disk redundant array |
| CN101221485A (en) * | 2008-01-24 | 2008-07-16 | 创新科存储技术（深圳）有限公司 | Method for establishing redundant magnetic disk array and control device thereof |
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Address after: Room 505, Taixing Building, 11 Garden East Road, Haidian District, Beijing, 100191 Co-patentee after: Shenzhen Innovation Software Technology Co., Ltd. Patentee after: Innovation Technology Co., Ltd. Address before: Room 0801-0810, 51 College Road, Haidian District, Beijing, 100191 Co-patentee before: Chuangxinke Software Technology (Shenzhen) Co., Ltd. Patentee before: Innovation and Technology Storage Technology Co., Ltd. |
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