CCA 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
Building a Linux wireless access point How to Remove Windows viruses with Linux Create Linux Software RAID 1 (mirror) Array -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.
