System and method for transparent data replication over migrating virtual servers
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United States of America Patent
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Apr 12, 2011
Grant Date -
N/A
app pub date -
Apr 24, 2007
filing date -
Apr 24, 2007
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Abstract
A system and method for transparent data replication of one or more data containers over migrating virtual servers (vfilers) operating on physical storage systems is provided. A mirroring (or other replication) procedure associated with a vfiler generates an entry in a mirror table maintained by one or more appropriate mirroring applications executing on the physical storage systems. The mirror table identifies source and destination “owners” of a replicated data container by vfiler instead of only by physical storage system. Thus, when a vfiler is migrated from a source physical storage system (“source”) to a destination physical storage system (“destination”), the mirroring application may continue to perform mirroring operations on the data containers at a per vfiler level to thereby improve the utility of migration of the vfiler among the storage systems.
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