Re: [Xen-devel] xl with xenstore stubdom

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2013-04-22 at 16:17 +0100, Daniel De Graaf wrote:
> On 04/22/2013 08:19 AM, Ian Campbell wrote:
> > On Mon, 2013-04-22 at 13:09 +0100, Andrew Cooper wrote:
> >> On 22/04/13 13:05, steve_1991@xxxxxxxxxxxx wrote:
> >>> Hi,
> >>>
> >>> I am running xenstore stubdom on my system. When I try to use xl, it 
> >>> gives me error that xenstore daemon is not running and couldn't stat 
> >>> /var/run/xenstored.pid. I want to ask does xl work with xenstore stubdom 
> >>> and if not then which toolstack to use for VM management?
> >>>
> >>> S
> >>
> >> xl unconditionally looks for /var/run/xenstored.pid, even when it
> >> doesn't need it.
> >
> > Wasn't there a patch at one point to make it look
> > for /tool/xenstored/domid as an alternative? Can't find it now though...
> 
> The domain creation code looks there, but it's rather difficult to
> look in xenstore for a path if xenstore isn't running, so that can't
> be used to figure out the stubdom is being used.

Duh, right ;-)

> > There was also talk of init-xenstore-domain daemonising and serving as a
> > log message pump to syslog for the stubdom, in which case its pid would
> > be somewhat appropriate to store. I think that was only talk though.
> 
> Right, init-xenstore-domain just boots the domain and exits. I guess
> touching the /var/run/xenstored.pid file might be useful as an addition
> to that tool.

Yes, perhaps writing "domid:%d" ?

[...]
> It seems to work with no issues on my test systems (whose startup scripts
> include a "touch /var/run/xenstored.pid" to work around this).

I thought that if it worked for anyone it would be you, now I know
how :-)

Ian.


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