[Gllug] More Xen problems: Unable to start xend

[Daniel P. Berrange]

On Wed, Jan 17, 2007 at 02:56:31PM +0000, - Tethys wrote:
> After much scratching of heads, and wondering what on earth had
> happened, I decided to try removing the tdb, and rebooting, in the
> hopes that it would rebuild itself, and we could go from there. But
> xend won't start. Even if I restore the old tdb, I still get the same
> error:

The xenstore tdb is completely transient across rebots - you can kill
it off, reboot & things will be happy again (wrt to xenstore at least).

> [2007-01-17 14:34:55 xend 8033] ERROR (SrvDaemon:297) Exception
> starting xend ((28, 'No space left on device, while writing
> /local/domain/0/name : Domain-0'))
> 
> It's lying. There's plenty of space on every filesystem on this
> machine. In fact, this same problem was logged almost a year ago at:
> 
>   http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=487
> 
> In comment #8, you can see why it's claiming there's no space left.
> But no one at Xen has done anything about fixing it (either the
> incorrect errno setting, or more importantly, the bug itself).

Urgh, that is absolutely horrific :-( I have a crusade about improving
error reporting in Xen tools, so this is now on my 'hit list' !

> Does anyone know of any tools for querying the xenstored tdb database,
> and ideally rebuilding it? Any ideas *very* welcome.

There are the various  'xenstore-XXX' command line tools for querying
it. I don't believe there's any rebuild tools - I always just delete
it, reboot & things are happy again, so I wonder why that's still
failing for you 

Dan.
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|=-   berrange at redhat.com  -  Daniel Berrange  -  dan at berrange.com    -=|
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