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Thread: Couple of RAID questions...

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    AKA daniel.phillips Sprite's Avatar
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    Couple of RAID questions...

    1) Can you RAID with non identical drives (that are the same size) ?
    2) Can you raid a physical drive (say 80GB) with a partition on another driver (say an 80GB partition on a 100GB drive) ?
    3) Can you RAID IDE drives ?
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    Re: Couple of RAID questions...

    1) In theory, yes. Never done it and it's not recommended, but it usually does work fine.

    2) Not through a RAID BIOS you can't. You may be able to do it at OS level. It should be technically possible, though I doubt any OS would let you.

    3) I assume you mean PATA? Yes, if you have a PATA RAID controller.

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    Re: Couple of RAID questions...

    Quote Originally Posted by daniel.phillips View Post
    1) Can you RAID with non identical drives (that are the same size) ?
    2) Can you raid a physical drive (say 80GB) with a partition on another driver (say an 80GB partition on a 100GB drive) ?
    3) Can you RAID IDE drives ?
    1) yes but the slowest drive will effect the rest

    2)Not in any implementation i have used but it is in theory it is possable. you could raid none simaler drives but slowest, smallest defines the set.

    3) Yes you can raid any type of hard drive.
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    Re: Couple of RAID questions...

    2) with the AB9 QuadGT and Intel Matrix RAID I think you just might be able to do this, with the remaining 20GB being available as a non raid partition - it would not take very long to test, so worth a try.
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    Re: Couple of RAID questions...

    2. Yes you can depending on the OS. Linux MD raid will allow you to do that (I think you can RAID two partitions on the same drive, although there isn't much point) and you can also RAID USB drives (so you could RAID a fixed disk and a USB disk in RAID 1 to clone it - although generally there are easier/better ways to clone disks like that)

    However I don't think any of that is possible on a Windows system, which (AFIK) doesn't have any imherent RAID capability - you are reliant on the capability of the motherboard bios/controller or a separate RAID controller.

    You can RAID any drive technology - IDE, SATA, SCSI, SAS, and (as above) USB flash drives with the appropriate hardware/software combination.
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    Re: Couple of RAID questions...

    Thanks for the replies, will give number 2) a try later tonight
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