[CentOS] Rebuilding Raid 1

Les Mikesell lesmikesell at gmail.com
Mon May 1 22:53:11 UTC 2006


On Mon, 2006-05-01 at 18:41, Mace Eliason wrote:
> I just think this might work
> 
> I am using scsi drives so would I use root (sd0)  I tried it but it said 
> error while parsing number
> 
> I tried root (hd0) and it said filesystem type unknown, using whole disk
> 
> I stopped at that point worried I might mess up the whole thing
> 
> I have read other links that talk about doing it this way
> 
> $ grub
> 
> grub> device (hd0) /dev/hdc
> grub> root (hd0,0)
>  Filesystem type is ext2fs, partition type 0xfd
> grub> setup (hd0)
>  Checking if "/boot/grub/stage1" exists... no
>  Checking if "/grub/stage1" exists... yes
>  Checking if "/grub/stage2" exists... yes
>  Checking if "/grub/e2fs_stage1_5" exists... yes
>  Running "embed /grub/e2fs_stage1_5 (hd0)"...  15 sectors are embedded.
>  succeeded
>  Running "install /grub/stage1 (hd0) (hd0)1+15 p (hd0,0)/grub/stage2
>  /grub/grub.conf"... succeeded
>  Done.
> 
> do I need the device line first?

If you don't use the device line it will try to figure out
how bios will map your drives at boot time - and it will
probably get it wrong if you have a mix of scsi and ide.
It can't hurt to use:
 device (hd0) /dev/sda
first.

-- 
  Les Mikesell
   lesmikesell at gmail.com





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