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Posted by jamba on February 3, 2010

Linux RAID disk wipeout:

A common problem with Linux software RAID (aka md) happens when you try to use a disk that was previously part of some other disk array. Symptoms include: wrong volume size, unable to add device to raid, volume UUID mismatch. To fix the problem you need to use mdadm utility on the disk to cleanup:

# mdadm --zero-superblock devicepath
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  -Similar to the articles I have referenced before, when I wrote a series of posts about setting up my software RAID1 wich my Arch setup.

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