发明名称 |
METHOD OF DATA MIGRATION AND INFORMATION STORAGE SYSTEM |
摘要 |
An example of the invention is a method of data migration from a source volume including storage areas of a plurality of source storage tiers different in performance capability to a destination volume including storage areas of a plurality of destination storage tiers different in performance capability, data relocation being performed among the plurality of source storage tiers in accordance with accesses to the source volume during the data migration. The method includes: starting the data migration between volumes from the source volume to the destination volume; acquiring information on a data arrangement in the source volume determined based on an access history to the source volume during the data migration between volumes from the source volume to the destination volume; and determining a data arrangement in the destination volume during the data migration between volumes based on the data arrangement indicated by the acquired information.
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申请公布号 |
US2013311740(A1) |
申请公布日期 |
2013.11.21 |
申请号 |
US201213512616 |
申请日期 |
2012.05.17 |
申请人 |
WATANABE KENTARO;TAMESHIGE TAKASHI;ASANO MASAYASU;HOSOYA MUTSUMI;SAITO HIDEO;HITACHI, LTD. |
发明人 |
WATANABE KENTARO;TAMESHIGE TAKASHI;ASANO MASAYASU;HOSOYA MUTSUMI;SAITO HIDEO |
分类号 |
G06F12/02 |
主分类号 |
G06F12/02 |
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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