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Adjustable error sensitivity for taking disks offline in a mapped RAID storage array
Adjustable error sensitivity for taking disks offline in a mapped RAID storage array
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机译:可调错误敏感性,可用于使磁盘在映射的RAID存储阵列中脱机
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摘要
A method is performed by an extent pool manager running on a data storage device. It is configured to manage assignment of disk extents provided by a pool of drives to a set of mapped RAID extents. The method includes (a) receiving an indication that a particular drive has triggered an end-of-life (EOL) condition based on an error count of that drive and a standard sensitivity setting, (b) in response to receiving the indication, changing a sensitivity setting of other drives to be less sensitive than the standard sensitivity setting, and (c) remapping disk extents from the particular drive to the other drives of the pool while the other drives continue operation using the changed sensitivity setting. An apparatus, system, and computer program product for performing a similar method are also provided.
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