Re: serious glitch on a domU

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

On Tue, 20 Mar 2007 09:53:53 +1100
"Sarton O'Brien" <bsd-xen%roguewrt.org@localhost> 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