Re: Raiding Redhat 7.3
- From: General Schvantzkoph <schvantzkoph@xxxxxxxxx>
- Date: Thu, 19 Jan 2006 13:17:36 -0500
On Thu, 19 Jan 2006 07:20:28 -0800, Bob the milkman wrote:
> Hi I have a small Redhat server running Redhat 7.3.
>
> It has a 9Gb disk with the following partition layout:
>
> Filesystem Size Used Avail Use% Mounted on
> /dev/hda2 8.4G 3.7G 4.2G 47% /
> /dev/hda1 45M 8.8M 34M 21% /boot
> none 251M 0 251M 0% /dev/shm
>
> I have added a 19Gb hard drive.
> I would like to mirror the first drive to the second i.e RAID 1.
>
> I was wondering what steps are required in order to perform this, as i
> understand that mirroring / (root) is not straight forward. Is this
> even possible?
>
> I have created the same partitions on the second drive ( / & /boot ) so
> that they are duplicates of the first drive. Was this necessary?
>
> I would like some help on what steps I need in order to set this up and
> if possible what to do if one of the drives fails, how do I get my
> system up and working again?
>
> Thanks for help.
>
> Paul.
Doubtful if you can mirror a 9G drive with a 19G drive. RAID is always
done with identical drives. Frankly I don't know why you would want to
waste disk space doing mirroring when you have such tiny drives. If I were
you I'd use the 19G drive for /home. You should never ever put /home on
the same partition as /, it makes upgrading the system much more difficult
because you can't do a clean install without wiping out your user
directories along with the system files.
.
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