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Access "Better tape restores"

Published: 19 Oct 2012

iSCSI inspires low-cost storage networks Backup applications vary considerably in their implementation, performance and management. Here are some tuning factors to consider for leading backup applications: VERITAS NETBACKUP RESTORE CONSIDERATIONS Fragment size. Some applications like NetBackup let you specify backup fragment size. For instance, a fragment size of 2GB means a 100GB backup will be broken into 50 separate fragments when written to tape. When restoring data, rather than scanning the entire 100GB, NetBackup forwards the tape to the specific fragment containing the requested data, resulting in faster restores. --Jeff Harbert TIVOLI STORAGE MANAGER (TSM) RESTORE CONSIDERATIONS Often, full TSM client restores take forever because the client data is spread across too many tape volumes. As dozens, or hundreds, of volumes are mounted for a restore, critical restore time is lost due to tape mounts, dismounts, mount wait settings and data seek time sinks. The key to successfully leveraging tape for restore in a TSM environment boils down to application ... Access >>>

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