of course I have a level 1 raid (mirroring)
NOT level 0 (striping)
Daniel
On Fri, 22 Oct 1999, Daniel Wirth wrote:
> Date: Fri, 22 Oct 1999 11:04:37 +0200 (MEST)
> From: Daniel Wirth <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> Cc: [EMAIL PROTECTED]
> Subject: Re: mini root-RAID5-howto
>
>
> Hi Everybody,
>
> [cut]
>
> > Unsolved problem: some distributions want to boot from disk or cdrom before
> > upgrading a whole system (e.g. SuSE does that). The problem is that they don' t
> > have a RAID kernel on their floppy/cdrom boot system, so you won' t be able to
> > access your installation on /dev/md0.
> >
> > Workarounds:
> > - use a non-RAID device: copy all your stuff on it, upgrade and copy all back
> > to your raid device
> > - make your own boot/install disk with a RAID kernel
> > - don' t do this kind of update but update single packages
>
> here's what I tried while upgrading from SuSE 6.1 to SuSE 6.2.
> - raid 0.90
> - raid 0 /dev/hda2 /dev/hdb2 /dev/md0 for /
> - raid 5 /home
> - /dev/hda1 is /boot non-raid
>
> I 1st tried to create a SuSE-Bootdisk with a patched kernel, but I did not
> suceed. It was booting fine, and started yast, but after chosing "Start
> Installation", the system mentioned "Loading Data into RAMDISK" (and
> certainly did), but was not able to start yast after loading it. Therefore
> I was forced to use the original SuSE-bootdisk.
>
> I used raidsetfaulty /dev/md0 /dev/hda2
> and raidhotremove /dev/md0 /dev/hda2.
> so the raid keeps on running on /dev/hdb2.
>
> I used fdisk to set the /dev/hda2 partition to an normal Linux-Part. and
> mke2fs /dev/hda2. Copied the entire system from to /md0 to /dev/hda2. Then
> I booted from the SuSE-Bootdisk and updated that system. After booting it,
> I copied the filesys back to /dev/md0.
>
> Using fdisk, I set the partition-id of /dev/hda2 back to fd and used
> raidhotadd /dev/md0 /dev/md0. After resyncing, I runs fine.
>
> HTH,
>
> Daniel
>
> ____________________________________________________
> DANIEL WIRTH |
> <[EMAIL PROTECTED]> |
> http://www.wirthuell.de |
> ____________________________________________________
> Linux: resistance is useless, you will be emulated |
> ____________________________________________________
>
--
Daniel Wirth
____________________________________________________
DANIEL WIRTH |
<[EMAIL PROTECTED]> |
http://www.wirthuell.de |
____________________________________________________
Linux: resistance is useless, you will be emulated |
____________________________________________________
