[CentOS-virt] migrating from xend to libxl after xen
pasik at iki.fi
Tue Apr 19 09:45:58 UTC 2016
On Mon, Apr 18, 2016 at 04:02:54PM -0600, rgritzo wrote:
> > i have tried for a couple of hours this morning to find a way to do the conversion in a post xend world, but canâ**t seem to do it.
> > I still have all my disk images, and i see the domain config.sxp configuration files in /var/lib/xend/domains/<uuid> but i am not enough of a xen expert to figure out how to migrate those.
> > is there a simple way to move to libxl now that xend is gone and i did not dump the xml files?
> So just checking -- the issue here is that you're not using the
> ".cfg"-style config files, but the sxp-style config files? You're not
> using libvirt, is that right?
> at the time i set all this up i donâ**t think i understood what i was
> doing very well. i certainly am using libvirt (i use virsh and
> virt-manager), so i am not sure what fork in the road i took to wind up
> making sxp-style config files. :}
When you have xend + libvirtd running, you can do:
virsh dumpxml vm1 > vm1.xml
virsh domxml-to-native xen-xm vm1.xml > /etc/xen/vm1
> Unfortunately parsing sxp config files and running "managed domains"
> are one feature that was explicitly chose as something we wouldn't be
> supporting in xl going forward . You'll probably have to do some
> sort of manual conversion.
>  http://wiki.xen.org/wiki/XL#Anti-Features
> got it. i think i read thru that page too quickly before.
> since the images are there, and all i need to do is to effectively
> reconfigure the domUs, i think i will do that manually. that will
> accomplish two things:
> a) force me to document how i set them up better, and
> b) drive me to understand some aspects of this betterâ*Š :}
> fortunately i had hosed up my dev host and dev VMs, and was smart enough
> to catch this mistake before i broke the production ones :}
> thanks again for all the help.
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