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<body class='hmmessage'><div dir='ltr'>Unfortunately the new Master Data Domain remained Active only for a few minutes and then the following error was thrown (as it can be seen in the Events tab):<div><br></div><div><br></div><div>"Failed to Reconstruct Master Domain for Data Center "</div><div><br></div><div><br></div><div>Afterwards all the other Data Domains became Inactive and the whole Data Center switched to Non Responsive Status.</div><div><br></div><div><br></div><div>I then tried to activate the Master Data Domain without success.</div><div><br></div><div><br></div><div>Finally I tried to "Re-Initialize Data Center" but there was no Data Domain available to become Master so now I can't find a way to Activate the Data Center.</div><div><br></div><div><br></div><div>Fortunately none of the VMs was affected.</div><div><br></div><div><br></div><div>What can I do now to re-activate the Data Center?<br><br><div><hr id="stopSpelling">From: sokratis123k@outlook.com<br>To: iheim@redhat.com; mburman@redhat.com<br>CC: users@ovirt.org<br>Subject: RE: [ovirt-users] Remove Master Data Domain in oVirt 3.5.0<br>Date: Tue, 20 Jan 2015 17:21:09 +0200<br><br>
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<div dir="ltr">Sorry I misunderstood it. I dectivated the current Master Domain and the new one was automatically configured so all good!<div><br></div><div><br></div><div>Thanks a lot!</div><div><br></div><div><br></div><div>Sokratis<br><br><div>> Date: Tue, 20 Jan 2015 17:00:37 +0200<br>> From: iheim@redhat.com<br>> To: sokratis123k@outlook.com; mburman@redhat.com<br>> CC: users@ovirt.org<br>> Subject: Re: [ovirt-users] Remove Master Data Domain in oVirt 3.5.0<br>> <br>> On 01/20/2015 03:54 PM, s k wrote:<br>> > I created a new Data Domain (detached from all the DCs) and clicked<br>> > on 'Re-Initialize Data Center'.<br>> ><br>> ><br>> > Now I'm able to select this Data Domain as the new Master. However when<br>> > I select it and click OK I get the following error:<br>> ><br>> ><br>> > Error while executing action: Cannot recover Data Center Storage.<br>> > The relevant Storage Domain's status is Active.<br>> <br>> as i said earlier, re-init DC is for emergency flow when your DC is down.<br>> that's not your case.<br>> you just need to deactivate the domain you don't want to be the master <br>> domain (deactivate, not detach. you can probably detach if a 3.5 DC, <br>> since it support re-attach. in <3.5 DC levels detach means "remove all <br>> disks/VMs from that domain".<br>> <br>> ><br>> > > Date: Mon, 19 Jan 2015 17:28:06 +0200<br>> > > From: iheim@redhat.com<br>> > > To: sokratis123k@outlook.com; mburman@redhat.com<br>> > > CC: users@ovirt.org<br>> > > Subject: Re: [ovirt-users] Remove Master Data Domain in oVirt 3.5.0<br>> > ><br>> > > On 01/19/2015 04:05 PM, s k wrote:<br>> > > > No, all the Storage Domains are attached,they are active and have VMs<br>> > > > running on the same DC.<br>> > ><br>> > > re-init DC is for emergency after you lost all your SD's and allows you<br>> > > to choose a data domain not yet attached to any DC.<br>> > > just deactivate the domains you won't won't to be master domains and<br>> > > engine will elect another domain as master.<br>> > ><br>> > > ><br>> > > > > Date: Mon, 19 Jan 2015 08:01:16 -0500<br>> > > > > From: mburman@redhat.com<br>> > > > > To: sokratis123k@outlook.com<br>> > > > > CC: users@ovirt.org<br>> > > > > Subject: Re: [ovirt-users] Remove Master Data Domain in oVirt 3.5.0<br>> > > > ><br>> > > > > So that means you have configured your other storage domains under<br>> > > > another DC, but you haven't configured them on the relevant DC, cause<br>> > > > 'There are no compatible Storage Domains to attach to this Data Center'<br>> > > > > Or they are Detached from DC.<br>> > > > ><br>> > > > > ----- Original Message -----<br>> > > > > From: "s k" <sokratis123k@outlook.com><br>> > > > > To: "Michael Burman" <mburman@redhat.com><br>> > > > > Cc: users@ovirt.org<br>> > > > > Sent: Monday, January 19, 2015 2:32:10 PM<br>> > > > > Subject: RE: [ovirt-users] Remove Master Data Domain in oVirt 3.5.0<br>> > > > ><br>> > > > > When I click on 'Re-Initialize Data Center' I get the following<br>> > message:<br>> > > > > There are no compatible Storage Domains to attach to this Data<br>> > > > Center. Please add new Storage from the Storage tab.<br>> > > > ><br>> > > > > > Date: Mon, 19 Jan 2015 07:02:28 -0500<br>> > > > > > From: mburman@redhat.com<br>> > > > > > To: sokratis123k@outlook.com<br>> > > > > > CC: users@ovirt.org<br>> > > > > > Subject: Re: [ovirt-users] Remove Master Data Domain in oVirt 3.5.0<br>> > > > > ><br>> > > > > > Hi Sokratis,<br>> > > > > ><br>> > > > > > You can go to Data Center main tab, choose relevant DC, click right<br>> > > > click on the DC, choose 'Re-Initialize Data Center', in this window you<br>> > > > can choose another compatible Storage Domain and choose him to be your<br>> > > > master Data Storage Domain.<br>> > > > > ><br>> > > > > > Michael B<br>> > > > > ><br>> > > > > > ----- Original Message -----<br>> > > > > > From: "s k" <sokratis123k@outlook.com><br>> > > > > > To: users@ovirt.org<br>> > > > > > Sent: Monday, January 19, 2015 1:06:08 PM<br>> > > > > > Subject: [ovirt-users] Remove Master Data Domain in oVirt 3.5.0<br>> > > > > ><br>> > > > > > Hello,<br>> > > > > ><br>> > > > > ><br>> > > > > > I would like to remove the Master Data Domain because I need to<br>> > > > decommission the underlying storage device.<br>> > > > > ><br>> > > > > ><br>> > > > > > Is there a way to manually change the Master Data Domain? Will the<br>> > > > Master Data Domain be reassigned automatically when the current one is<br>> > > > deleted?<br>> > > > > ><br>> > > > > ><br>> > > > > > Thank you,<br>> > > > > ><br>> > > > > ><br>> > > > > > Sokratis<br>> > > > > ><br>> > > > > > _______________________________________________<br>> > > > > > Users mailing list<br>> > > > > > Users@ovirt.org<br>> > > > > > http://lists.ovirt.org/mailman/listinfo/users<br>> > > > > ><br>> > > > > > --<br>> > > > > > Michael Burman<br>> > > > > > Intern in RedHat Israel, RHEV-M QE Network Team<br>> > > > > ><br>> > > > > > Mobile: 054-5355725<br>> > > > > > IRC: mburman<br>> > > > ><br>> > > > ><br>> > > > > --<br>> > > > > Michael Burman<br>> > > > > Intern in RedHat Israel, RHEV-M QE Network Team<br>> > > > ><br>> > > > > Mobile: 054-5355725<br>> > > > > IRC: mburman<br>> > > ><br>> > > ><br>> > > > _______________________________________________<br>> > > > Users mailing list<br>> > > > Users@ovirt.org<br>> > > > http://lists.ovirt.org/mailman/listinfo/users<br>> > > ><br>> > ><br>> <br></div></div> </div></div></div> </div></body>
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