Date: Tue, 17 Feb 2004 18:14:18 -0700 From: Scott Long <scottl@freebsd.org> To: Don Lewis <truckman@FreeBSD.org> Cc: mckusick@FreeBSD.org Subject: Re: FreeBSD 5.2.1-RC2 fs snapshot problems. Message-ID: <4032BC6A.7030403@freebsd.org> In-Reply-To: <200402170101.i1H11k7E048190@gw.catspoiler.org>
index | next in thread | previous in thread | raw e-mail
Don Lewis wrote: > On 16 Feb, Joseph Scott wrote: > >> I just finished testing a fresh install of FreeBSD 5.2.1-RC2 and >>have verified that the problem mentioned in PR kern/58154 is still there. >>The problem is fairly simple to show: >> >>1. Install a fresh 5.2.1-RC2 system. >>2. Shutdown a few times to show that it completes correctly. >>3. Create some snapshots of a filesystem (on 5.2.1-RC2 I did >> 3 snapshots of /usr). >>4. Try to shutdown again. >>5. Watch your system hang forever, unable to complete a shutdown >> correctly. >> >> I've done this samething on 3 different systems with the exact >>same results every single time. If you cycle the power to reboot and then >>delete the snapshot files shutdown is able to work completely once more. >> >> I'm more than willing to try out patches or different >>settings/options in an effort to try and track this down. I would be >>thrilled to be able to use fs snapshots for systems at work, but as it >>stands not being able to shutdown a system makes the snapshot feature >>useless. >> >> Sorry about cross posting this so much, but I've been trying to >>raise the attention level of this problem for weeks now without any luck. > > > I saw this as well a couple of months ago. I think I was running > 5.2-CURRENT. > There are fundamental issues with FFS snapshots and our buffer/cache that are well beyond the scope of fixing for 5.2.1. If someone has an idea of how to fix them for 5.3, all the better. Scotthome | help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4032BC6A.7030403>