STATISTIC-BASED ISOLATION OF LETHARGIC DRIVES

申请公布号：US2017003888(A1)

申请号：US201514788756

申请日期：2015.06.30

申请公布日期：2017.01.05

申请人：

International Business Machines Corporation

发明人：Kalos Matthew J.;Nielsen Karl A.

分类号：G06F3/06

主分类号：G06F3/06

地址：Armonk NY US

摘要：A method is provided for identifying a lethargic drive. The method includes executing a command directed to at least two drives in a redundant array of independent disks (RAID) configuration. Each of the drives of the at least two drives is associated with a plurality of timing buckets. The method also includes determining a completion time of the command, and, for each of the at least two drives that the command was directed to, counting the completion time of the command in one of the timing buckets associated with the drive.

主权项：1. A method, comprising: executing a command directed to at least two drives in a redundant array of independent disks (RAID) configuration, wherein each of the drives of the at least two drives is associated with a plurality of timing buckets; determining a completion time of the command; and for each of the at least two drives that the command was directed to, counting the completion time of the command in one of the timing buckets associated with the drive.

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