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Can you really recover your data? - page 11 / 17

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The Backup Strategy

  • Three way balancing act

      • 1.

        Cost of an ideal solution.

      • 2.

        Cost of not having an adequate solution.

      • 3.

        Likelihood of a failure.

  • Typical Strategy

    • Hardware redundancy

        • Good practice but not 100% guaranteed.

        • Cannot protect against non-hardware errors.

    • Database backup – Daily.

    • Backup of database backup – Daily.

    • File System backups – Full (weekly, monthly), Incremental (daily, weekly).

    • Usually viewed as adequate.

  • Day time backups are rare, but should they be?

www.Comp-Soln.co.uk

Copyright ©2005 Comprehensive Solutions International Ltd.

All Rights Reserved

Identifying ALL the Data

  • Vital to identify ALL the data and the required backup frequencies.

    • Where is my data?

    • How do I recover it in the event of a media failure?

    • Can the data be reconstructed from other data sources?

  • Start a ‘Data Inventory’

    • Simple list of data repositories (ALL of them).

      • Database(s).

      • Interface files.

      • Application source code and executables.

      • User file systems.

      • Log files (auditing/compliance?)

      • More…

www.Comp-Soln.co.uk

Copyright ©2005 Comprehensive Solutions International Ltd.

All Rights Reserved

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