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Migrating Commonstore for Exchange between TSM Servers

Discussion in 'TDP/Application Layer Backup' started by mccleld, Feb 16, 2009.

  1. mccleld

    mccleld ADSM.ORG Member

    Joined:
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    Occupation:
    Data Protection Specialist
    Location:
    London, UK
    Hi Guys,

    Wondering if someone has puzzled over the best way to approach this one before - I have a customer who is looking to migrate to a new TSM Server platform/install. Alongside the various BA clients, TDPs and even a Windows HSM base on there for which migration plans are fairly straightforward, there is a Commonstore for Exchange install managing about 5TB's of data (from `q auditocc` so includes onsite+offsite). Commonstore for Exchange is perhaps the TSM bolt-on which I've seen least out in the wild.

    Has anyone migrated a similar install from one TSM Server to another (different OS)? Obviously, it's critical that no data gets lost as a result of the migration and that access to archived data is maintained as best as possible for users. For the majority of other simple BA/TDP clients, repointing and leaving the old data accessible on the legacy for a period of time is preferred, and with WinHSM we're looking at recalling and re-HSM-ing to the new TSM Server (disk space isn't an issue) but I'm pretty sure that EXPORT/IMPORT and careful planning/scheduling is the only way forward with Commonstore. Any experiences or words of warning from anyone who's attempted anything similar?

    Best Regards,

    David McClelland
    London, UK
     
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