Re: [Users] Data Center Non Responsive / Contending

----- Original Message ----- > From: "Giorgio Bersano" <giorgio.bersano(a)gmail.com&gt; > To: "Liron Aravot" <laravot(a)redhat.com&gt; > Cc: "Meital Bourvine" <mbourvin(a)redhat.com&gt;, &quot;users(a)ovirt.org&quot; <Users(a)ovirt.org&gt;, fsimonce(a)redhat.com > Sent: Tuesday, March 4, 2014 6:10:27 PM > Subject: Re: [Users] Data Center Non Responsive / Contending > > 2014-03-04 16:37 GMT+01:00 Liron Aravot <laravot(a)redhat.com&gt;: > > > > > > ----- Original Message ----- > >> From: "Giorgio Bersano" <giorgio.bersano(a)gmail.com&gt; > >> To: "Liron Aravot" <laravot(a)redhat.com&gt; > >> Cc: "Meital Bourvine" <mbourvin(a)redhat.com&gt;, &quot;users(a)ovirt.org&quot; > >> <Users(a)ovirt.org&gt;, fsimonce(a)redhat.com > >> Sent: Tuesday, March 4, 2014 5:31:01 PM > >> Subject: Re: [Users] Data Center Non Responsive / Contending > >> > >> 2014-03-04 16:03 GMT+01:00 Liron Aravot <laravot(a)redhat.com&gt;: > >> > Hi Giorgio, > >> > Apperantly the issue is caused because there is no connectivity to the > >> > export domain and than we fail on spmStart - that's obviously a bug that > >> > shouldn't happen. > >> > >> Hi Liron, > >> we are reaching the same conclusion. > >> > >> > can you open a bug for the issue? > >> Surely I will > >> > >> > in the meanwhile, as it seems to still exist - seems to me like the way > >> > for > >> > solving it would be either to fix the connectivity issue between vdsm > >> > and > >> > the storage domain or to downgrade your vdsm version to before this > >> > issue > >> > was introduced. > >> > >> > >> I have some problems with your suggestion(s): > >> - I cannot fix the connectivity between vdsm and the storage domain > >> because, as I already said, it is exposed by a VM by this very same > >> DataCenter and if the DC doesn't goes up, the NFS server can't too. > >> - I don't understand what does it mean to downgrade the vdsm: to which > >> point in time? > >> > >> It seems I've put myself - again - in a situation of the "the egg or > >> the chicken" type, where the SD depends from THIS export domain but > >> the export domain isn't available if the DC isn't running. > >> > >> This export domain isn't that important to me. I can throw it away > >> without any problem. > >> > >> What if we edit the DB and remove any instances related to it? Any > >> adverse consequences? > >> > > > > Ok, please perform a full db backup before attempting the following: > > 1. right click on the the domain and choose "Destory" > > 2. move all hosts to maintenance > > 3. log in into the database and run the following sql command: > > update storage_pool where id = '{you id goes here}' set > > master_domain_version = master_domain_version + 1; > > 4. activate a host. > > Ok Liron, that did the trick! >

> Up and running again, even that VM supposed to be the server acting as > export domain. > > Now I've to run away as I'm late to a meeting but tomorrow I'll file a > bug regarding this. > > Thanks to you and Meital for your assistance, > Giorgio. Sure, happy that everything is fine! >