[linux-lvm] Why is part of a PV not usable?
Jack.Allen at mckesson.com
Mon Jan 26 23:43:00 UTC 2009
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.
From: linux-lvm-bounces at redhat.com [mailto:linux-lvm-bounces at redhat.com]
On Behalf Of Francois Cami
Sent: Monday, January 26, 2009 5:34 PM
To: LVM general discussion and development
Subject: Re: [linux-lvm] Why is part of a PV not usable?
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
all you lose is always less than the PE.
( http://tldp.org/HOWTO/LVM-HOWTO )
2009/1/26 Allen, Jack <Jack.Allen at mckesson.com>:
> When I do "vgdisplay -v" or pvdisplay to see the PV, why is
> 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
> Jack Allen
> linux-lvm mailing list
> linux-lvm at redhat.com
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
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