Huh, nice to know I missed such an obvious step. Cheers ;) Stuart > -----Original Message----- > From: linux-lvm-bounces@redhat.com [mailto:linux-lvm-bounces@redhat.com] > On Behalf Of Ray Morris > Sent: Tuesday, 21 February 2012 7:41 AM > To: linux-lvm@redhat.com > Subject: Re: Strange behavior adding LUN > > > So, weird. Why is the 'pvcreate' seeing the new LUN, seeing that it > > is 2.93TB, but not creating any PE's for use. > > You need to vgextend. The PE size is a property of the VG, so until > it's added to a VG there's no way of knowing how big the PEs are and > therefore how many will fit on the PV. > -- > Ray Morris > support@bettercgi.com > > Strongbox - The next generation in site security: > http://www.bettercgi.com/strongbox/ > > Throttlebox - Intelligent Bandwidth Control > http://www.bettercgi.com/throttlebox/ > > Strongbox / Throttlebox affiliate program: > http://www.bettercgi.com/affiliates/user/register.php > > > > > On Mon, 20 Feb 2012 10:26:05 +1100 > Stuart Browne <stuart.browne@ausregistry.com.au> wrote: > > > Hi, > > > > We've been cleaning up some of our storage recently and migrating to > > new disks etc. when I came across this issue. > > > > I've re-allocated some old storage back to a server as a new array, > > but lvm is refusing to allow the LUN to participate. Here's what I > > see: > > > > [root@office ~]# pvcreate /dev/mpath/backup1 > > Physical volume "/dev/mpath/backup1" successfully created > > [root@office ~]# pvdisplay /dev/mpath/backup1 > > "/dev/mpath/backup1" is a new physical volume of "2.93 TB" > > --- NEW Physical volume --- > > PV Name /dev/mpath/backup1 > > VG Name > > PV Size 2.93 TB > > Allocatable NO > > PE Size (KByte) 0 > > Total PE 0 > > Free PE 0 > > Allocated PE 0 > > PV UUID ipTgcI-kjdJ-Aucx-cUVs-TWKr-wAFO-Rkd0u8 > > <snip> > > > > Given that it looks, well, 'ok' to me, I thought I'd 'pvremove' it > > and validate that the disk is empty. It was (^@'s all the way, for > > the first 10MB at least), and re-add it. New UUID, but basically the > > same. > > > > So, weird. Why is the 'pvcreate' seeing the new LUN, seeing that it > > is 2.93TB, but not creating any PE's for use. > > > > Anybody have any idea what I should try next? > > > > Stuart J. Browne > > Senior Unix Administrator, Network Administrator, Database > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
