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Thread: Partitioning RAID 0 Arrays

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    Cool Partitioning RAID 0 Arrays

    Hi Folks,
    Can anyone help with the following please?
    Just got a new PC with a 500 GB (2x250GB RAID 0 stripe) hard drive.
    (It's a DELL Dimension 9200 running XP Pro).
    I've previously used Partition Magic (PowerQuest before they were acquired by Symantec) to partition resize, move, copy partitions etc. etc. without losing any data.
    Can I do this with a RAID 0 array?
    I've heard that problems can be caused when Partition Magic goes into DOS to complete items that cannot be done from within Windows, because the RAID drivers may not be available.
    I think this applies to RAID controller cards but I think the 9200 has it built into the mobo, so does that mean it's in the BIOS and it's OK?
    Thanks in advance.

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    cat /dev/null streetster's Avatar
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    Can I do this with a RAID 0 array?
    why do you want to partition the drive? my advice would be to backup everything thats important on the computer and give it a go with the latest version of Partition Magic... google seems to be giving mixed views as to whether it'll work 100% or screw stuff up...

    I think this applies to RAID controller cards but I think the 9200 has it built into the mobo, so does that mean it's in the BIOS and it's OK?
    I'm not sure about the dell, but my mainboard has 'built in' raid, but devices are not detected in the bios - ie you have to hit F6 to install a driver when installing XP... but DOS-based tools like Seagate Seatools are still able to see the RAID0 array in dos

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    Not Very Senior Member RavenNight's Avatar
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    I've used PartitionMagic to partition my RAID 0 Arrya, it seemed to work fine for me on my system. Mucking with partitons always carrys a risk, but if you back up your data carefully you should be fine (resizing/moving an OS partition may call for a repair install)
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    You swavvy frood.
    It depends on if Partition magic 'sees' the array. If it does, it'll modify it like a normal HD, if it doesn't, you run the risk of it modifying just one of your drives, which will kill the array.
    You'll need to read up the partition magic help, as im sure it explains what it can / can't do in there, and how to go about doing it

    But more importantly, always, always keep your towel near by.
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    The late but legendary peterb - Onward and Upward peterb's Avatar
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    Have a look at gparted and the gparted live CD. Although designed to repartition ext2 file systems, it also supports fat and NTFS. Just boot from the live CD and it will detect the partitions on the hard drive. I have only used it to (successfully) resize ext2 and ext3 partitions, but no reason why it shouldn't do an equally good job on NTFS. However, as a previous poster said, it is always a good idea to back up the data before tinkering with the partition information.

    Depoends on whether it sees the raid array or not - but as it is O/S software, you have nothing to loose by trying it! (apart from a CD)
    Last edited by peterb; 09-07-2007 at 11:16 AM. Reason: updated info
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