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  1. #1
    3 Star Lounger
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    Question about RAID 1+0

    In our server room we have a HP DL360 G5 that has some drive mirroring going on. 4 of the drives are utilizing RAID 1+0 where two drives are seen as a single drive and than mirrored to the other two drives, which are also seen as a single drive. I need to increase the capacity of those drives and I've found that I can replace each one, one at a time, with larger capacity drives and this will work. I don't have to break any mirrors, make any configuration changes, etc. However, what I don't know is how long to wait for each drive to complete the mirroring process.

    In other words, say drives 1-2 are one set and 3-4 are another set. Now let's say I replace drive no. 4 with a larger drive. It will take time for that new larger drive to go through the process of being completely merged with drive 3. Does anyone know how I'll know when that's done so I can then continue on and replace drive 3 with a larger capacity drive, followed by each of the other drives after that?

  2. #2
    Plutonium Lounger Leif's Avatar
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    Re: Question about RAID 1+0

    You should be able to tell in your Computer Management > Disk Management window - when the mirror is complete the status should be 'Healthy'.
    See this article for more info.

    Otherwise, you could wait until all frantic disk activity has finished <img src=/S/grin.gif border=0 alt=grin width=15 height=15>

  3. #3
    Plutonium Lounger
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    Re: Question about RAID 1+0

    I suspect that Disk Management won't help you, because this server comes with a hardware RAID controller and I assume that the RAID is done in hardware and is not visible to Windows.

    You need to run the HP Array Configuration Utility to see this information, you should be able to find the manuals with instructions here.

    StuartR

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