On 01/20/2013 12:51 PM, Roy Sigurd Karlsbakk wrote:

quoted

Hope this clarifies. You don't need this script if your OS always
finds
your spares and adds them automatically to your arrays. Mine doesn't.

Really, if md 'forgets' a spare on reboot, that's a bug and should be reported.

http://www.google.com/#hl=en&q=mdadm+does+not+add+spares+on+boot

First hit.

root@zotac:~# lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 11.10
Release:	11.10
Codename:	oneiric
root@zotac:~# uname -a
Linux zotac 3.0.0-30-generic #47-Ubuntu SMP Wed Jan 2 23:16:29 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
root@zotac:~# mdadm -V
mdadm - v3.1.4 - 31st August 2010