Re: Raid array is not automatically detected.

[Bryan Christ <bryan.christ@hp.com>]

thanks for the tip!

On Fri, 2008-10-17 at 15:07 +0000, Daniel Reichelt wrote:
> Hi Bryan,
> I was just having the same problem and the mdadm man page clearly states:
> ----------------------------
> --homehost=
>     This will override any HOMEHOST setting in the config file and provides the
> identity of the host which should be considered the home for any arrays.
> 
>     When creating an array, the homehost will be recorded in the superblock.
> For version-1 superblocks, it will be prefixed to the array name. For
> version-0.90 superblocks, part of the SHA1 hash of the hostname will be stored
> in the later half of the UUID.
> 
>     When reporting information about an array, any array which is tagged for
> the given homehost will be reported as such.
> 
> ****
>     When using Auto-Assemble, only arrays tagged for the given homehost will be
> assembled.
> ****
> ----------------------------
> 
> So just once stop your array and manually assemble it like
> mdadm -A <md-device> <components> --homehost=<somestring> --update=homehost
> and from the next reboot on, that array, too, will automatically be assembled
> by the linux kernel.
> HTH
> Daniel