From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Greaves Subject: Re: raid5/lvm setup questions Date: Mon, 07 Aug 2006 23:32:27 +0100 Message-ID: <44D7BF7B.4010408@dgreaves.com> References: <20060805165358.GA29177@cm.nu> <44D4D5F9.9080201@dgreaves.com> <87mzagz5d2.fsf@hades.wkstn.nix> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <87mzagz5d2.fsf@hades.wkstn.nix> Sender: linux-raid-owner@vger.kernel.org To: Nix Cc: Shane , linux-raid@vger.kernel.org List-Id: linux-raid.ids Nix wrote: > On 5 Aug 2006, David Greaves prattled cheerily: that's me :) >> As an example of the cons: I've just set up lvm2 over my raid5 and whilst >> testing snapshots, the first thing that happened was a kernel BUG and an oops... > > I've been backing up using writable snapshots on LVM2 over RAID-5 for > some time. No BUGs. I tried but it didn't recurr. I sent a report to lkml. > I think the blame here is likely to be layable at the snapshots' door, > anyway: they're still a little wobbly and the implementation is pretty > complex: bugs surface on a regular basis. Hmmm. Bugs in a backup strategy. Hmmm. I think I can live with a nightly shutdown of the daemons whilst rsync does it's stuff across the LAN. David --