On Tue, 27 Apr 2010 16:40:37 -0500 "Boyd Stephen Smith Jr." <b...@iguanasuicide.net> wrote:
> On Tuesday 27 April 2010 16:03:55 Celejar wrote: > > I've had to give up lvm snapshots totally as > > broken, primarily because of this (see my messages in the thread): > > > > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=549691 > > That is troublesome, probably to the point of actually being broken. It's > likely that something "behind-the-scenes" in LVM is actually messing with the > snapshot device even when it is not mounted and preventing the removal. Makes sense to me, although I'm no expert. > I'm fairly sure the snapshot device has to be updated whenever a write is > done > to a new LE in the original device, and it's possible *that* is causing the > problem. I hope this issue gets some attention; I doubt it is a Debian-ism. The mechanism is somewhat documented in the source tree at Documentation/device-mapper/snapshot.txt, although I'd have to read it more carefully. > > I've also been hit by this, although it *may* be harmless (or not - > > this stuff could really use decent documentation): > > > > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=503268 > > My guess on this one is one of two things: > 1) Udev is taking a little while to unlink "secondary" names for the LVs that > are being removed, and when lvm does its device scan it's hitting "missing" > devices. > 2) LVM is using device names from its cache for devices that are no longer > present for its device scan and, again, hitting "missing" devices. > > In either case I think the error messages are annoying, but not indicative of > a real problem. Makes sense. I don't think that I've ever experienced an actual problem obviously related to this, although it may, of course, be symptomatic of something actually wrong with my setup. Celejar -- foffl.sourceforge.net - Feeds OFFLine, an offline RSS/Atom aggregator mailmin.sourceforge.net - remote access via secure (OpenPGP) email ssuds.sourceforge.net - A Simple Sudoku Solver and Generator -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20100427175829.e1e7f763.cele...@gmail.com
