cloudstack-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Carlos Reategui <>
Subject Re: Import instances from previous deployment
Date Tue, 12 Aug 2014 00:49:58 GMT
Hi Nitin,
I created a new primary store share in NFS for the new deployment and
removed the old one from exports.  The XS hosts where re-used and installed
fresh so nothing was using the old primary store.  The new CS deployment
only knows about the new primary store.

I used 'vhd-util scan -f -p -v -m old/path/*.vhd' to check the chain of vhd
and copied over all the ones I needed from the old path to the new path.  I
got the old paths from by db backup.

Yes I changed the path in the volumes table to point to the 'old' vhd file.
  I stopped the instances from CS before editing the db. When I started
them my old instances were back.

It was only 10 instances.... any more and I probably would have scripted it.

The vhd files that were created with the new instances are still there on
the primary store and I am guessing I should be ok to delete them.


PS. I did run into a problem with the primary store scan/cleanup process
the first time I tried where it cleaned up the parent of one of the child
vhd before I had a chance to copy the child over.  I stopped management
server and included all the files in the same copy command which seemed to
get me past that.

On Mon, Aug 11, 2014 at 5:30 PM, Nitin Mehta <> wrote:

> Carlos - This looks fine to me. Have a couple of questions though
> So you reintroduced the old storage pool back on the new MS instance -
> make sure the old instances are shutdown and do not access the same
> storage else they can corrupt the volumes ?
> Did you mean that you changed the path in the volumes table ?
> Thanks,
> -Nitin
> On 11/08/14 11:56 AM, "Carlos Reategui" <> wrote:
> >Hi All,
> >Follow-up on my recovery process.  After failing to upgrade to 4.4 I did a
> >fresh install and decided to go ahead and also do fresh installs of
> >XenServer to upgrade those to XS6.2.
> >
> >Instead of importing each of the vhd from all my instances as templates
> >and
> >creating instances from those, I created new instances matching the the
> >previous ones and then edited the volumes table with the vhd of the
> >original instance from the previous deployment (had to make sure to
> >include
> >parent vhd).  My volumes were all on shared NFS storage.
> >
> >Things appear to be working ok, but want to check if any of you foresee
> >any
> >issues with the method I followed.
> >
> >thanks,
> >Carlos

  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message