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The disk storage system which does method, and this kind of method of pursuing the imperfect entry inside disk array
The disk storage system which does method, and this kind of method of pursuing the imperfect entry inside disk array
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机译:磁盘存储系统的执行方法,以及追求磁盘阵列内部不完美入口的这种方法
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摘要
A method of tracking incomplete writes in a disk array includes the steps of sequentially receiving a plurality of write commands which identify respective blocks in the array that are to be written; generating a list of expanded write areas for only those write commands which are received most recently and where each expanded write area encompasses the blocks that are to be written plus additional blocks which are likely to be written by subsequent write commands; modifying the list, each time a write command is subsequently received which writes a particular block that is not in any expanded write area in the list and by replacing one expanded write area with a new expanded write area that encompasses the particular block; and storing a replica of the list ON a magnetic media each time the modifying step occurs.
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