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 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.