Re: Adding LVM to an existing system
On Wednesday 16 Nov 2005 01:31, Marc Shapiro wrote:
...
> One thing that I have yet to see a conclusive answer to: Can I make LVM
> Logical Volumes from logical partitions in an extended physical volume.
> Since I have 4 physical volumes, including an extended volume, I would
> have to create the LVs from logical partitions.
>
> Also, assuming that I can use logical partitions, is it possible to use
> some, but not all logical partitions from an extended partition.
> Currently, my / partition is /dev/hda5 and my /boot partition is
> /dev/hda11 and I would want these to NOT be included in the LV. I would
> be including /dev/hda6 through /dev/hda10 as well as a new /dev/hda12
> (which will be the remaining space on the disk).
>
> Will this work?
I can't be 100% sure (because once you are using LVM you really don't need
lots of partitions - so I only have a few ( some combination of root, boot,
swap and lvm) on the most populated disks, but I believe the answer is yes.
You can easily try it on your spare partition. Just use
pvcreate /dev/hda12
followed by
vgcreate vg /dev/hda12
followed by
lvcreate -L 200M -n test vg
(or whatever size you want)
mkreiserfs /dev/vg/test
and then try and mount it and use it.
When you are done unmount it and then
lvremove /dev/vg/test
vgremove vg
pvremove /dev/hda12
--
Alan Chandler
http://www.chandlerfamily.org.uk
Open Source. It's the difference between trust and antitrust.
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