When installing on a regular disk without raid use the partition number.
e.g. /dev/sda1.  When installing on an array use the array number /dev/md/0


On Wed, Oct 30, 2013 at 8:16 AM, o...@v-brinkmann.de <o...@v-brinkmann.de>wrote:

> **
>  > Markus Koeberl <markus.koeb...@tugraz.at> hat am 30. Oktober 2013 um
> 13:42 geschrieben:
> >
> > #install on all member disks
> > $ROOTCMD grub-install --no-floppy "/dev/$device"
>
>  Even if I try
>
>     $ROOTCMD grub-install --no-floppy "/dev/sda"
>
>  or "/dev/sdb" (which are returned by your perl one-liner), I get the same
> error message. It's like I'm missing something substantial ...
>
>  Olav
>

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