SUMMARY: SAN Filesystems

From: Baillargeon, Sonny (Sonny.Baillargeon_at_bmonb.com)
Date: 11/25/03

  • Next message: alexandre.guilherme_at_orbitall.com.br: "Increasing swapvol - Veritas Volume Manager" 
    Date: Tue, 25 Nov 2003 13:27:21 -0500
To: <sunmanagers@sunmanagers.org>

     Thanks to all that replied to my inquiry about SAN Filesystems:
    Scott Kelly
    Naxhije Selimaj
    Juergen Waiblinger
    Fredrik Robertsson
    Adam Levin
    Joe Fletcher
    and others....

    Most of you suggested products that I've already looked into
    unfortunately. Most of the recommendations were Sun QFS and Veritas
    VCS/Sanpoint. Veritas I believe is cost prohibitive since it seems that
    all the machines need to be part of a cluster in some sense. I just
    downloaded the manual and will look further into this. If there was a
    way to just have the CFS (Cluster File System) then perhaps it would be
    feasible and not as cost prohibitive. Sun QFS was a product that Sun
    bought and it doesn't seem as flexible since it requires qfsdump and
    qfsrestore. I know in the Sun QFS manual they suggest on getting Tivoli
    SANergy product to overlay QFS for sharing. So I'm not completely sure
    if it is what I need.

    For those of you that aren't familiar with the SANergy product, it
    seperates NFS control packets with data packets. The NFS is done over
    the LAN while the NFS data is done over the fiber network. Therefore
    the data traffic happens off network per se. There is MCD (controller)
    that controls and manages the filesystem. The problem with this is that
    I can only have 1 controller. Tech support said that redundancy is only
    available on W2k.

    I am looking into the ADIC StorNext FS since it does exactly what I am
    looking for although with the Veritas capabilities. If I can format the
    StorNext FS over a Vertias Volume on EMC while backing it up with
    Legato, then I would be happy.

    If anybody is using any of these products, I'd sure like to hear how
    it's going.

    Thanks for you help,
    Sonny

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