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  1. #1
    Jason Holtzapple
    Guest

    Audio archive server

    I think your ability to do this is going to depend
    on several factors and it's not easy to answer.

    This is why sometimes it is easier for a machine
    that's not mission-critical to use a cold mirror
    instead of a more complex RAID.

    I just sync up the mirror disk nightly with rsync
    (similar tools like unison are available for Windows).
    This means that at the most you lose 1 day's worth
    of changes to your data. The mirror disk is really
    just a plain disk with regular file systems that
    you can mount and use in any machine.

    --Jason

    --- Todd Fields <jtfields91 (AT) yahoo (DOT) com> wrote:
    >
    > --- Jason Holtzapple <jasonholtzapple (AT) yahoo (DOT) com>
    > wrote:
    > > I would definitely consider a mirror (either RAID 1
    > > or
    > > cold mirror w/rsync) instead of RAID 0. It is twice

    >
    > I've been using RAID 0 on my last three systems. It
    > finally bit me when my latest motherboard failed. I
    > bought a new motherboard but because it does not have
    > the same RAID controller I cannot get any of the
    > information from the drives. Luckily I had backed up
    > my 80GB of music but there were some files on there
    > that were not backed upn (although nothing critical.)
    >
    > I'm not sure if I had been running RAID 1 if I would
    > still be in the same boat or not. Can you take a
    > drive that was in a RAID 1 and just plug it into any
    > IDE channel and access the data or once it's been put
    > into an array do you need the RAID controller to
    > access the drive?


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  2. #2
    Peter Speck
    Guest

    Audio archive server

    On 31/12-2003, at 23:09, Jason Holtzapple wrote:

    > I think your ability to do this is going to depend
    > on several factors and it's not easy to answer.
    >
    > This is why sometimes it is easier for a machine
    > that's not mission-critical to use a cold mirror
    > instead of a more complex RAID.
    >
    > I just sync up the mirror disk nightly with rsync
    > (similar tools like unison are available for Windows).
    > This means that at the most you lose 1 day's worth
    > of changes to your data. The mirror disk is really
    > just a plain disk with regular file systems that
    > you can mount and use in any machine.


    I second this. From my experience, this makes it much easier to handle
    the data.

    You might even consider a real-cold mirror: take the backup disk
    offline, or ensure the server spins it down when it is not used. Many
    cheap disks are not able to run 24/7 without breaking down a little too
    quickly.

    Ensure the disks don't get hot: that reduces lifetime a lot. I tried
    putting my server in a small closet, but it became too hot.

    For my 4000 tracks, the slimserver uses 26 MB ram.

    ----
    - Peter Speck

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