发明名称 |
RAID ARRAY TRANSFORMATION IN A POOLED STORAGE SYSTEM |
摘要 |
Aspects of the present invention relate to an apparatus and corresponding method that includes reading data from a first portion of an in-use redundant array of independent disks. (RAID), wherein the first portion of the in-use RAID is arranged according to a first array configuration having at least a first parameter. One or more reserved extents in a storage pool is used to store at least a first portion of the data for writing to the in-use RAID. One or more free extents in the storage pool and/or in the in-use RAID is used to store at least a second portion of the data for writing to the in-use RAID. The data is written to a second portion of the in-use RAID. The second portion of the in-use RAID is arranged according to a second array configuration having at least a second parameter. |
申请公布号 |
US2014129768(A1) |
申请公布日期 |
2014.05.08 |
申请号 |
US201414151347 |
申请日期 |
2014.01.09 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
AGOMBAR JOHN P.;FAIRHURST MATTHEW J.;LINDLEY JOHN E.;SANDERS LEE J. |
分类号 |
G06F3/06 |
主分类号 |
G06F3/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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