On Tue, Apr 01, 2003 at 06:48:33AM -0500, Michael Sinz wrote:
> Jeremy Jackson wrote:
> > I'm wonder what's the official word about xfs_repair on a read-only
> > mounted fs. The utilities complain for me, so I have to boot from a
> > repair partition to fix XFS (a while back when the shutdown files in
> > use bug was still a problem). Ext2 has no problem with this. I'd
> > just to know for future reference, so I know if I have to have a
> > spare root fs or not.
>
> While I too would like to have a way to repair XFS read-only mounts,
> there are other reasons to have a special recovery partition for this.
>
> What I have done is to make /boot its own partition at the start of
> the disk. This is where the kernel lives, along with lilo stuff (or
> grub if you use that)
>
> Anyway, I have made a script that will build a mini-boot system in
> that partition and that will then run as the init process to fix up
> any other filesystems. To help reduce the chance that /boot is
> corrupted, I mount it read-only and, since nothing normally runs from
> it, if it ever needs fixing, I can just unmount it and fix it after a
> regular boot.
You could have a /stand style thing that doesn't get mounted unless
doing recovery or a second initrd image (if all your tools fit on that)
that you can select in the boot loader.
Come to think of it, I should start doing something like this as well. I
have machines I can't easily boot from a floppy or CD, but where I could
do single-user boots if they mess up.
--
Yhden 64 kilon segmentin sisällä toimiva koodi on nopeaa ja kompaktia,
mikä auttaa mm. maksimoimaan prosessorin pienestä välimuistista saatavan
hyödyn.
-- Petteri Järvinen
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