发明名称 |
BACKUP DEDUPLICATION STORAGE APPARATUS AND ADDITIONAL DATA WRITING METHOD |
摘要 |
<p>Deduplicated backup data of a plurality of generations are aggregated and stored. A storage apparatus is connected via a network to a host system making a content write request and includes a storage unit providing one or more containers composed of a specified storage area, and a back up unit storing the content in the container in accordance with a backup request from the host system; and wherein the backup unit cuts out the content into one or more chunks, detects a duplicate chunk, which is a duplicate of a chunk stored in the container, from the cutout chunks, and additionally writes the chunk, other than the duplicate chunk, to the container where the duplicate chunk is stored.</p> |
申请公布号 |
WO2013027231(A1) |
申请公布日期 |
2013.02.28 |
申请号 |
WO2011JP04637 |
申请日期 |
2011.08.19 |
申请人 |
HITACHI, LTD.;HITACHI COMPUTER PERIPHERALS CO., LTD.;DOMYO, SEIICHI;SAKURABA, TAKETOSHI;ARIKAWA, HIDEHISA |
发明人 |
DOMYO, SEIICHI;SAKURABA, TAKETOSHI;ARIKAWA, HIDEHISA |
分类号 |
G06F11/14 |
主分类号 |
G06F11/14 |
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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