Re: [zfs-discuss] "refreservation" and ZFS Volume

2010-04-06 Thread Daniel Carosone
On Wed, Apr 07, 2010 at 06:27:09AM +1000, Daniel Carosone wrote: > You have reminded me.. I wrote some patches to the zfs manpage to help > clarify this issue, while travelling, and never got around to posting > them when I got back. I'll dig them up off my netbook later today. http://defect.ope

Re: [zfs-discuss] "refreservation" and ZFS Volume

2010-04-06 Thread Daniel Carosone
On Tue, Apr 06, 2010 at 01:44:20PM -0400, Tony MacDoodle wrote: > I am trying to understand how "refreservation" works with snapshots. > > If I have a 100G zfs pool > > I have 4 20G volume groups in that pool. > > refreservation = 20G on all volume groups. > > Now when I want to do a sn

[zfs-discuss] "refreservation" and ZFS Volume

2010-04-06 Thread Tony MacDoodle
I am trying to understand how "refreservation" works with snapshots. If I have a 100G zfs pool I have 4 20G volume groups in that pool. refreservation = 20G on all volume groups. Now when I want to do a snapshot will this snapshot need 20G + the amount changed (REFER)? If not I get a "o