Method and apparatus for recovery of the association of construct definitions with logical volumes in a virtual tape server
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United States of America Patent
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Mar 27, 2007
Grant Date -
Mar 4, 2004
app pub date -
Aug 29, 2002
filing date -
Aug 29, 2002
priority date (Note) -
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Abstract
A method and apparatus to recover a construct definition associated with a logical volume in a virtual tape server (VTS) system following a disaster situation involving a library manager database. The method and apparatus re-establish the association between a logical volume or data file or block and a construct definition or volume attribute that assigns certain actions that may be taken on the logical volumes. Such actions and constructs may be defined by a client processor or by the VTS system in order to provide quality storage media management. The constructs may be uploaded to or reconstructed within the library manager database in combination with the host or virtual tape server and consequently made available to the system. In particular, the method and apparatus are configured to recover one or more of a storage group construct, a management class construct, a storage class construct, and a data class construct associated with a logical volume within a VTS system.
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