Replication and restoration of single-instance storage pools
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United States of America Patent
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Aug 3, 2010
Grant Date -
Oct 2, 2008
app pub date -
Mar 29, 2007
filing date -
Mar 29, 2007
priority date (Note) -
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Abstract
A system and method for managing single instance storage. A computer system includes at least two backup servers, each backup server included in a single-instance storage pool. A first backup server conveys a first de-duplicated list identifying data segments from the first storage pool to a second backup server. The first backup server receives from the second backup server a second de-duplicated list identifying a subset of the data segments and conveys the subset of the data segments to the second backup server. In response to receiving the first list from the first backup server, the second backup server de-duplicates the first list against a second storage pool and conveys the second list to the first backup server. In response to receiving the subset of the data segments, the second backup server adds the received data segments to the second storage pool.
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