Subject: Re: serious glitch on a domU
To: Sarton O'Brien <firstname.lastname@example.org>
From: Steven M. Bellovin <email@example.com>
Date: 03/19/2007 19:24:42
On Tue, 20 Mar 2007 09:53:53 +1100
"Sarton O'Brien" <firstname.lastname@example.org> wrote:
> On Tue, 20 Mar 2007, Sarton O'Brien wrote:
> > On Tue, 20 Mar 2007, Steven M. Bellovin wrote:
> > > A scary thing happened to me recently. On a 4.0beta2 domU built
> > > on 10 March, the machine froze while I was editing a file. When
> > > I rebooted (after 'xm shutdown'), fsck complained about duplicate
> > > blocks in a few files.
> > >
> > > The "disks" in question are vnd "drives" on the dom0. The
> > > machine in question is dual-core, if that matters.
> > Just curious, were you accessing the domu via the console or ssh?
Probably ssh, but I don't remember. However, the machine was well and
truly dead; I couldn't ping it, it didn't respond on the console, etc.
> Excuse the loose reply with no content, I really should get more
> sleep ;)
> I meant to also ask, was dom0 unresponsive or just the domu? What did
> xm top show while this occurred etc?
The dom0 and the other VMs were fine.
--Steve Bellovin, http://www.cs.columbia.edu/~smb