Thanks. I guess I have just always used a PE size or the default and the PV size was just the right size, because this was the first time I had seen this. This was on a customer's system that was connected to a SAN. ---- Jack Allen -----Original Message----- From: linux-lvm-bounces@redhat.com [mailto:linux-lvm-bounces@redhat.com] On Behalf Of Francois Cami Sent: Monday, January 26, 2009 5:34 PM To: LVM general discussion and development Subject: Re: Why is part of a PV not usable? Hi Jack, Your PE size is 4096KB and your PV's size is 2559x4096KB+3.98 MB. In other words, your PV's size is not an exact multiple of the PE size and all you lose is always less than the PE. ( http://tldp.org/HOWTO/LVM-HOWTO ) F 2009/1/26 Allen, Jack <Jack.Allen@mckesson.com>: > Hello: > When I do "vgdisplay -v" or pvdisplay to see the PV, why is part of > the PV not usable? > > --- Physical volume --- > PV Name /dev/sdd1 > VG Name vg01 > PV Size 10.00 GB / not usable 3.98 MB > Allocatable yes > PE Size (KByte) 4096 > Total PE 2559 > Free PE 740 > Allocated PE 1819 > PV UUID Q3LoGB-474h-ztit-HBA7-AUEX-OxpE-xoRo0J > > ----- > Thanks > Jack Allen > > _______________________________________________ > 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/ _______________________________________________ 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/