mdadm basic questions

[martin f krafft]

also sprach Streuli, Hans <Hans.Streuli at symbol.com> [2006.01.24.2135 +0100]:
> Went to Barnes & Nobles – looked for Debian books with chapters for mdadm. 
> Found none.

Because this topic has nothing to do with Debian, it's plain Linux.

> My situation is that someone set up /dev/md – for Raid 5.  A disk
> died (there were 3 disks total) and now the partition is dead.

Check /proc/mdstat and remove the disk from all md's that have its
partitions listed:

  mdadm --remove /dev/md3 /dev/sdb3
  mdadm --remove /dev/md4 /dev/sdb4

Change the disk, then simply readd:

  mdadm --add /dev/md3 /dev/sdb3
  mdadm --add /dev/md4 /dev/sdb4

Note, this is from memory, I don't have even mdadm(1) here right
now.

-- 
 .''`.     martin f. krafft <madduck at debian.org>
: :'  :    proud Debian developer and author: http://debiansystem.info
`. `'`
  `-  Debian - when you have better things to do than fixing a system
 
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