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Well it all started when I decided to add an IDE disk to my running system. My configuration was: Asus M2N-MX MB 320 GB Sata II x 2 (Raid 0) ...
  1. #1
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    opensuse 10.2 raid 0 got out of control.

    Well it all started when I decided to add an IDE disk to my running system. My configuration was:

    Asus M2N-MX MB
    320 GB Sata II x 2 (Raid 0)
    IDE Pioneer DVD Burner

    sda = 320 GB (I)
    sdb = 320 GB (II)
    sdc = 640 GB (Raid 0) I+II

    and then I decided to add this 200gb IDE disk to the system. As soon as I tried to boot the system it just failed to boot i didn't check the error msg in detail because I was thinking if I take the IDE disk away, things would be working ok again. Now i see it saying sdb has no partition table. I'm like stuck don't know what to do now I started auto repair and waiting for it to finish checking the disks. But have no idea what will happen after.

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    Hello again,

    I realized when I boot the system with dvd and start the repairing process it says /dev/sdb has no partition table so it means sda has or does it? Now it says it's checking /dev/sdb/ .About this process, does it consider the striped raid and try to recover /dev/sdc or does it try to recover only /dev/sdb/. Basically am I doing something wrong ? Sorry guys for the confusing message :S but I'm alo trying to understand what is happening.

  3. #3
    Linux Guru gogalthorp's Avatar
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    RAID 0 is very sensitive. It alternately writes data to disk 0 and 1. This increases the bandwidth but there is no error recovery or data redundancy. Is this a hardware or software RAID? If hardware check the RAID setup in the BIOS. It kind of sounds like your RAID controller went bottoms up.

  4. #4
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    yeap I think it is the raid controller too. It is hardware raid and unfortunately Raid 0 is exactly like you said but what makes me think is "Just adding an IDE drive can screw up the raid controller?" because there is nothing else I did. There must be a way to go back to normal or did I really loose everything. I just checked and now I don't have the /dev/sdc anymore :S

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