FastTrak TX2000 and RHEL 3.1

Jonathan Baker-Bates jonathan at bakerbates.com
Wed Mar 3 09:29:42 UTC 2004


>
>    It's really quite easy to replace a drive.
>
> 1)Just create the same partition layout on the new drive.
> You just want  to do this*:
> `fdisk -d /dev/hde > /etc/hde.sfdisk`
> `fdisk -d /dev/hdg > /etc/hdg.sfdisk`
> then if hdg fails `sfdisk /dev/hdg < /etc/hdg.sfdisk`
>
> 2)Do a 'raidhotadd /dev/md(array number) /dev/hd(partition number) for
> each array.  Look in /etc/raidtab for details on what maps to what.
>
>
> *Personally I'm really lazy so I do this :
> dd if=/dev/gooddrive of=/dev/replacementdrive count=1024
> echo "w" |fdisk /dev/replacementdrive
> (copy the partition table from the good drive to the new drive, and use
> fdisk to force linux to reread the partition table.)
>

Ah great (although the fdisk with Red Hat doesn't have a -d switch). I'll
mail the Software RAID Howto maintainer and suggest he expands his section
on recovery to include something like this.

Jonathan






More information about the Ataraid-list mailing list