发明名称 |
METHOD AND APPARATUS FOR BACKUP AND RECOVERY USING STORAGE BASED JOURNALING |
摘要 |
A storage system maintains a journal of journal entries and at least one snapshot of one or more data volumes. By assigning a unique sequence number to journal and snapshot, it is easy to find a journal which can be applied to the snapshot. A technique is described for detecting an overflow condition of running out of journal space and recovering the journal space. |
申请公布号 |
US2012303914(A1) |
申请公布日期 |
2012.11.29 |
申请号 |
US201213551892 |
申请日期 |
2012.07.18 |
申请人 |
YAMAGAMI KENJI;HITACHI, LTD. |
发明人 |
YAMAGAMI KENJI |
分类号 |
G06F12/00;G06F12/16 |
主分类号 |
G06F12/00 |
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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