On 01/30/2012 07:53 PM, Jérôme Poulin wrote:
On Mon, Jan 30, 2012 at 1:40 PM, Jan Ceuleers<jan.ceuleers@xxxxxxxxxxxx> wrote:
md0 : active raid1 sdb2[3] sde1[2] sdd1[0]
521984 blocks [4/3] [U_UU]
You must first fail and remove a device from the array, reduce to 2
components and add back the spare which will appear as sdxN (S). You
can do this online.
That works, thank you very much.
root@zotac:~# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5]
[raid4] [raid10]
md1 : active raid1 sdb3[2](S) sde2[1] sdd2[0]
487861824 blocks [2/2] [UU]
md0 : active raid1 sdb2[2](S) sde1[1] sdd1[0]
521984 blocks [2/2] [UU]
unused devices: <none>
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