Time Machine (Application RAID)

Discussion in 'macOS' started by Architect4122, Nov 12, 2007.

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  1. Architect4122, Nov 12, 2007

    Architect4122 macrumors regular

    Joined:
    Mar 2, 2007
    Location:
    Austin, TX
    #1
    Can you set Time Machine t back up to two different external HDD at the same time?

    That would be great, basicaly like having a RAID Mirrored set-up.

    I was thinking of getting a single external RAID set-up, but began to think of the limitations of the case, the fan, and the size of the drives. Just daisy chaining two FW800 drives would be ideal.

    Does anyone know if this is possible?

    Thanks
     
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  2. admiraldennis, Nov 12, 2007

    admiraldennis macrumors regular

    Joined:
    Aug 19, 2002
    Location:
    Boston, MA
    #2
    You could set up a RAID-1 containing your two external FireWire drives via Disk Utility, then have Time Machine back up to that volume.

    Having a RAID-1 for a backup (especially across an external bus) seems pretty silly to me.

    The chances of having two drives fail at once are very slim to begin with. By adding another drive to the equation are really aren't providing yourself with much benefit at all.

    You'd be much better off having time machine back up your stuff to a single drive, then periodically backing up your backup to an external which you store off-site. This will prevent against non-drive-related disasters, such as fires flood and theft, while your RAID-1 backup scheme will not.
     
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  3. Architect4122, Nov 12, 2007

    Architect4122 thread starter macrumors regular

    Joined:
    Mar 2, 2007
    Location:
    Austin, TX
    #3
    Good point/idea.

    I'll go the single drive route. DVD back up the most important stuff periodically, or have another external that I only plug in and use for periodical back ups.

    While I think the G-Safe would be pretty sweet to have....I really don't need it. And while I think theG-RAID2 would be nice and speedy...I'm only using it as back up and wouldn't make sense to use it for the speed advantage it gives you.

    So G-DriveQ it is...thinking 500GB

    Thanks!
     
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