From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Heinz J . Mauelshagen" Subject: Re: [linux-lvm] still problems with removing "non existant" dead snapshots :/ Message-ID: <20021024132538.A30725@sistina.com> References: <3DB7C2FD.9C70E084@silicide.dk> Mime-Version: 1.0 In-Reply-To: <3DB7C2FD.9C70E084@silicide.dk>; from jon+lvm@silicide.dk on Thu, Oct 24, 2002 at 11:53:01AM +0200 Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Thu Oct 24 06:28:02 2002 List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-lvm@sistina.com Jon, which LVM version are you using? If the driver it is older than 1.0.5 it can be a lockking bug fixed in the recent LVM1 version. Regards, Heinz -- The LVM Guy -- On Thu, Oct 24, 2002 at 11:53:01AM +0200, Jon Bendtsen wrote: > I take a snapshot every hour, every 8 hour, eveyr day, and every week. > I've got 4 "equal" scripts to do the work, the only difference is the > snapshot name and the mountpoint. > > However, when i try to remove the old and unmounted snapshot, i > sometimes > get an error message. Like one in every 10 times. > > I get messages like: > -------------------- > lvremove -- can't remove open snapshot logical volume > "/dev/optVG/1hour_snapshot_opt_1035237601" > > And: > ---- > lvremove -- ERROR "lv_release(): LV number" releasing logical volume > "/dev/optVG/1hour_snapshot_opt_1035324001" > > > If i use lvdisplay on them, i get a message like > ------------------------------------------------ > ve:/dev/optVG# lvdisplay /dev/optVG/1hour_snapshot_opt_1035* > lvdisplay -- logical volume "/dev/optVG/1hour_snapshot_opt_1035324001" > doesn't exist > > lvdisplay -- logical volume "/dev/optVG/1hour_snapshot_opt_1035345601" > doesn't exist > > lvdisplay -- logical volume "/dev/optVG/1hour_snapshot_opt_1035352801" > doesn't exist > > lvdisplay -- logical volume "/dev/optVG/1hour_snapshot_opt_1035381601" > doesn't exist > > lvdisplay -- logical volume "/dev/optVG/1hour_snapshot_opt_1035410401" > doesn't exist > > lvdisplay -- logical volume "/dev/optVG/1hour_snapshot_opt_1035432001" > doesn't exist > > lvdisplay -- logical volume "/dev/optVG/1hour_snapshot_opt_1035439201" > doesn't exist > > > > The problem is that these snapshots take up space. Most take 1GB, since > thats what they > are created with, but some take more, since i run some scripts to ensure > that they dont > reach 100% so they are always readable. > I can remove the "files" from /dev/optVG/, but the space is not released > until i > restart the VG. Even restarting the VG doesnt remove the "dead" > snapshots (the files > in /dev/optVG/) > > > > JonB > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ *** Software bugs are stupid. Nevertheless it needs not so stupid people to solve them *** =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Sistina Software Inc. Senior Consultant/Developer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@Sistina.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-