Method for constructing energy-saving disk array of vertical configuration distribution check

A technology of disk array and construction method, applied in energy-saving computing, energy-saving ICT, sustainable buildings, etc., can solve problems such as shortening the service life of disks, no I/O concurrency, waste of energy, etc.

Active Publication Date: 2011-02-16
TOYOU FEIJI ELECTRONICS
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Problems solved by technology

[0011] However, in the field of continuous data storage, such as video surveillance, virtual tape library, continuous data protection and other applications, the continuous data stream is written to the disk sequentially, and the sequential storage is performed, that is, the addresses of the stored data are continuous, satisfying the storage requirements. The principle of locality of space access, so there is no I/O concurrency
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  • Method for constructing energy-saving disk array of vertical configuration distribution check
  • Method for constructing energy-saving disk array of vertical configuration distribution check
  • Method for constructing energy-saving disk array of vertical configuration distribution check

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Embodiment 1

[0077] Write operation example 1: When performing continuous data read and write operations on the disk array S-RAID 5, the state transition of the disk is as follows image 3 Shown: Initially, access the logical address of the data, and calculate the data block 12 where it is located. Data block 12 is on disk 1, and the parity block located in the same stripe as data block 12 is on disk 3. If disk 1 and Disk 3 is in the stop state, then go to the ready state, see image 3 Middle ①; when starting to read and write the data on disk 1 and disk 3, disk 1 and disk 3 will change from the ready state to the running state, see image 3 Middle ②; since this access ends in data block 12, after this access ends, Disk 1 and Disk 3 change from the running state to the ready state, see image 3 Press ③, and exit this scheduling.

[0078] Example 2 of write operation: Initially, access the logical address of the data and calculate that it is on the data block 12, the data block 12 is on t...

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Abstract

The invention relates to a method for constructing an energy-saving disk array of vertical configuration distribution check, which is suitable for continuous data storage and belongs to the technical field of redundant arrays of independent disks. Aiming at the characteristics of continuous data storage, an energy-saving disk array S-RAID 5 of the vertical configuration distribution check is designed. The method mainly comprises the steps of: distributing storage data in the S-RAID 5, reading and writing the storage data, checking a generation mode of the data, buffering, and prereading and optimizing the data when the data is written, switching and scheduling work states of a disk, and the like. The disk array S-RAID 5 has a better redundant data protecting mechanism, and can remarkably reduce the power consumption and prolong the service life.

Description

technical field [0001] The present invention relates to a construction method of redundant array of independent disks (Redundant Arrays of Independent Disks, RAID), in particular to a construction method of an energy-saving disk array with vertical arrangement and distribution verification, which is suitable for continuous data storage and belongs to independent disks Redundant array technical field. Background technique [0002] In the field of modern storage, in order to improve the reliability of stored data and improve the input and output performance of storage systems, people have designed a variety of data storage solutions, which are usually various types of redundant arrays of independent disks (Redundant Arrays of Independent Disks, RAID). By using specific hardware or software, RAID combines multiple physical storage devices such as disks to form a unified logical storage device. [0003] The technical terms commonly used in RAID are explained below: [0004] S...

Claims

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Application Information

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IPC IPC(8): G06F12/06G06F3/06
CPCY02B60/1225Y02D10/00
Inventor 谭毓安孙志卓周泽湘李虓谢红军王成武郭毅李艳国
Owner TOYOU FEIJI ELECTRONICS
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