Fault-tolerance method and system for redundant array of independent disk
A disk array and disk technology, applied in the computer field, can solve the problem of high disk update frequency, and achieve the effect of reducing the frequency of kicking disks and ensuring reliability and integrity.
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[0032] Because the underlying RAID array in the existing solution does not distinguish the key data (such as super block, primary index, and secondary index) from recording data and organizing recording, when the recording data is read or / and written (hereinafter described as read / write, or read and write) errors, according to the requirements of RAID integrity, the disk with the read or write I / O error will be removed from the RAID immediately, and a new disk will be required to be added, thereby increasing the replacement frequency of disk spare parts.
[0033] In order to solve the above technical problems, considering that users do not have high requirements for the integrity of surveillance video data, the occasional loss of a frame of video data will not affect the overall video image quality. Therefore, the embodiment of the present invention provides an application The disk array fault-tolerant solution of the video surveillance system distinguishes the key data (such a...
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