[linux-lvm] Questions about Physical Volumes...
Heinz J . Mauelshagen
mauelshagen at sistina.com
Fri Jun 13 03:07:02 UTC 2003
On Thu, Jun 12, 2003 at 05:29:45PM -0700, Matt E wrote:
> I'm going to be adding a RAID 5 setup to my system,
> but I need to get all the data off my disks that are
> currently installed and put on to the new raid array.
> Once this is done, I'll take one of the disks that is
> currently in my system and add it to the RAID array.
> I'm going to run LVM ontop of this RAID array. The
> raid tools package has a tool "raidreconf" that will
> allow me to add another disk to the array without
> destroying the data on it.
> Once this is done, I'd want to use this extra space in
> LVM. However, I can't pvcreate /dev/md0 again,
> beacuse I will already have an LVM setup on it. Is
> there anyway to let LVM know that /dev/md0 has grown,
> so I could then use this extra space in VGs?
Use LVM2, pvcreate md0 after it has grown (which gives you a PV with
the new size) and vgcfgrestore the LVM metadata to it.
> Anyone know anything about this?
> Do you Yahoo!?
> Yahoo! Calendar - Free online calendar with sync to Outlook(TM).
> linux-lvm mailing list
> linux-lvm at sistina.com
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
Heinz -- The LVM Guy --
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
Heinz Mauelshagen Sistina Software Inc.
Senior Consultant/Developer Am Sonnenhang 11
Mauelshagen at Sistina.com +49 2626 141200
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