Filesystem philosophy - SGI

This is a discussion on Filesystem philosophy - SGI ; With more and more data to store, multiple RAIDs are often found on servers. A single huge filesystem is the most efficient and flexible storage scheme. But over time, RAIDs age and need to be decomissioned. One of the great ...

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Thread: Filesystem philosophy

  1. Filesystem philosophy

    With more and more data to store, multiple RAIDs are often
    found on servers. A single huge filesystem is the most efficient
    and flexible storage scheme. But over time, RAIDs age and need
    to be decomissioned. One of the great virtues of the AIX volume
    manager is the "migratepv" command that allows one to dynamically
    move data off a virtual disk (perhaps a RAID partition) on a live
    filesystem. Lacking that in IRIX, how do people plan ahead for
    long term filesystem maintenance?



  2. Re: Filesystem philosophy

    In article ,
    Daniel Packman wrote:
    >With more and more data to store, multiple RAIDs are often
    >found on servers. A single huge filesystem is the most efficient
    >and flexible storage scheme. But over time, RAIDs age and need
    >to be decomissioned. One of the great virtues of the AIX volume
    >manager is the "migratepv" command that allows one to dynamically
    >move data off a virtual disk (perhaps a RAID partition) on a live
    >filesystem. Lacking that in IRIX, how do people plan ahead for
    >long term filesystem maintenance?


    You can do that with IRIX's XFS with the plexing option:
    create another plex on a different disk for the data you want moved,
    let the plex be instantiated, then remove the original plex.


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