Re: [Xen-users] Can't update xenstore for a few domUs

[James Pifer <jep@xxxxxxxxxxxxxxxx>]

> Older versions of xen and libvirtd (like the one in RHEL5) stores its
> configuration by default as files on /etc/xen. This means that changes
> only need to go to config file. To get domains to autostart, you can
> place a symlink to its config in /etc/xen/auto as there's a special
> service (xendomains) that autostart domUs whose config is in that
> directory.
> 
> Newer version (like the one you have) uses xend to manage domU
> configuration. It's created by "xm new" and modified by commands like
> "xm" or "virsh" that can change (most) configuration online. The
> problem is I'm not aware of any command that can change
> "on_xend_start" and "on_xend_stop". The "clean" way to change it is to
> delete domU config using "xm delete" (which requires domU to be
> shutdown) and create it again with "xm new". It might not have
> xendomains service anymore (at least opensolaris doesn't).
> 
> The config is actually stored on /var/lib/xend/domains, but I
> recommend you don't edit it manually. Last time I tried the changes
> there are only picked up when xend is (re)started, which in your case
> should also shut down domU :P Better do it the "clean" way.
> 
> If your distro is like RHEL (in that it has xendomains service and
> also support xend-managed domains), you could choose any method
> (/etc/xen or xend-managed) to store domU config when creating domUs
> manually. Personally I prefer /etc/xen method as it's more manageable.
> 
> Hopefully others can help you more.
> 

Thanks for the info. I'm running SLES10SP2. The strange thing is that
I'm positive that I have changed those settings on other domu's using xm
commands. I'll have to play around with it some more. 

James


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