[linux-lvm] Beginner Questions

Joseph L. Casale jcasale at ActiveNetwerx.com
Mon Nov 12 22:30:00 UTC 2007

Thanks Alasdair, but where did the ~475 GB's go on the second? Is there some limit on PV size, I can't find anything with Google (Not that I can see 1024GB being a likely figure).


-----Original Message-----
From: linux-lvm-bounces at redhat.com [mailto:linux-lvm-bounces at redhat.com] On Behalf Of Alasdair G Kergon
Sent: Monday, November 12, 2007 2:59 PM
To: LVM general discussion and development
Subject: Re: [linux-lvm] Beginner Questions

On Mon, Nov 12, 2007 at 02:33:58PM -0700, Joseph L. Casale wrote:
>   PV Size               745.00 GB / not usable 3.67 MB
>   PV Size               1024.00 GB / not usable 8192.00 EB

> Why is some space "not usable"?

Some space is used for LVM metadata; other space is lost as the
remainder when the volume size is divided by the chosen extent size.

Ignore the ridiculous number there - it's been fixed in CVS for the next

agk at redhat.com

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