At Fri, 25 Feb 2011 23:18:43 +0200 CentOS mailing list <centos at centos.org> wrote: > > On Fri, Feb 25, 2011 at 4:00 PM, Lamar Owen <lowen at pari.edu> wrote: > > On Friday, February 25, 2011 08:15:34 am Rudi Ahlers wrote: > >> [root at francois-pc ~]# lvcreate -L 500gig -n 500G freenas > >> Â Insufficient free extents (127999) in volume group freenas: 128000 required > > > >> How do I actually create a 500GB volume? > > > > try > > lvcreate -l 127999 -n 500G freenas > > > > The default '500G' size is 12,800 extents, but you only have 12,799 extents free; which gets rounded *up* to 500G by the free space display. Â And that's a lower-case 'L' option, not an upper-case 'I' option. > > _______________________________________________ > > > > Cool, thanx for the explanation. Why is there one extend "missing", or > no usable? Overhead (LVM meta data needs to be stored someplace) and/or roundoff error. It is not really a 500G partition, it is like a 499.99<mumble>G partition, which is displayed as a 'human readable' 500G. > > -- Robert Heller -- 978-544-6933 / heller at deepsoft.com Deepwoods Software -- http://www.deepsoft.com/ () ascii ribbon campaign -- against html e-mail /\ www.asciiribbon.org -- against proprietary attachments