[CentOS] Shrinking a volume group
Matt Hyclak
hyclak at math.ohiou.edu
Tue Sep 12 19:48:55 UTC 2006
On Tue, Sep 12, 2006 at 02:41:33PM -0500, Steve Bergman enlightened us:
> I did something stupid when setting up a server which is now live. I
> think I'm stuck.
>
> I set up swap on Raid1 which is decidedly non-optimal. I'd prefer 2
> independent swap partitions at the same priority.
>
> Here is the set up:
>
> /dev/sda1 + /dev/sdb1 -> md0 (raid1)
>
> md0 -> VolGroup00
>
> VolGroup00 -> VG00LV00(/), VG00LV01(/home), VG00LV02(swap)
>
> I've gotten as far as :
>
> Turning off swap and removing LV02.
>
> Next step would be to shrink VG00. But it looks like you can only
> shrink a volume group by removing entire PV's. I only have 1 PV.
>
> So I think I'm stuck.
>
> Any ideas?
Yes, leave it as a mirrored partition so when memory is swapped out to a
disk that dies, your server does not panic.
Matt
--
Matt Hyclak
Department of Mathematics
Department of Social Work
Ohio University
(740) 593-1263
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