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Vol. 3 No. 8 October 2004

Better tape restores

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 ...

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Features in this issue

  • First Look: Storability's GSM 4.0

    by  Robert L. Scheier

    Storability Software's Global Storage Management software offers improved reporting capabilities and new exposure analysis reports in its latest version.

  • Back Up to the Future

    A magic ball to predict tape failures?

  • Hot technologies for 2005 and beyond

    Storage editors asked industry leaders what new technologies are likely to have the most impact on storage operations. We look at the top five emerging technologies and tell you why they can change how storage gets done in your shop.

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