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Unfortunately the new Master Data Domain remained Active only for a few min=
utes and then the following error was thrown (as it can be seen in the Even=
ts tab):
"Failed to Reconstruct Master Domain for Data Center "
Afterwards all the other Data Domains became Inactive and the whole Data Ce=
nter switched to Non Responsive Status.
I then tried to activate the Master Data Domain without success.
Finally I tried to "Re-Initialize Data Center" but there was no Data Domai=
n available to become Master so now I can't find a way to Activate the Data=
Center.
Fortunately none of the VMs was affected.
What can I do now to re-activate the Data Center?
From: sokratis123k(a)outlook.com
To: iheim(a)redhat.com=3B mburman(a)redhat.com
CC: users(a)ovirt.org
Subject: RE: [ovirt-users] Remove Master Data Domain in oVirt 3.5.0
Date: Tue=2C 20 Jan 2015 17:21:09 +0200
=0A=
=0A=
=0A=
Sorry I misunderstood it. I dectivated the current Master Domain and the ne=
w one was automatically configured so all good!
Thanks a lot!
Sokratis
Date: Tue=2C 20 Jan 2015 17:00:37 +0200
From: iheim(a)redhat.com
To: sokratis123k(a)outlook.com=3B mburman(a)redhat.com
CC: users(a)ovirt.org
Subject: Re: [ovirt-users] Remove Master Data Domain in oVirt 3.5.0
=20
On 01/20/2015 03:54 PM=2C s k wrote:
> I created a new Data Domain (detached from all the DCs) and clicked
> on 'Re-Initialize Data Center'.
>
>
> Now I'm able to select this Data Domain as the new Master. However when
> I select it and click OK I get the following error:
>
>
> Error while executing action: Cannot recover Data Center Storage.
> The relevant Storage Domain's status is Active.
=20
as i said earlier=2C re-init DC is for emergency flow when your DC is dow=
n.
that's not your case.
you just need to deactivate the domain you don't want to be the master=20
domain (deactivate=2C not detach. you can probably detach if a 3.5 DC=2C=
=20
since it support re-attach. in <3.5 DC levels detach means
"remove all=20
disks/VMs from that domain".
=20
>
> > Date: Mon=2C 19 Jan 2015 17:28:06 +0200
> > From: iheim(a)redhat.com
> > To: sokratis123k(a)outlook.com=3B mburman(a)redhat.com
> > CC: users(a)ovirt.org
> > Subject: Re: [ovirt-users] Remove Master Data Domain in oVirt 3.5.0
> >
> > On 01/19/2015 04:05 PM=2C s k wrote:
> > > No=2C all the Storage Domains are attached=2Cthey are active and h=
ave VMs
> > > running on the same DC.
> >
> > re-init DC is for emergency after you lost all your SD's and allows =
you
> > to choose a data domain not yet attached to any DC.
> > just deactivate the domains you won't won't to be master domains and
> > engine will elect another domain as master.
> >
> > >
> > > > Date: Mon=2C 19 Jan 2015 08:01:16 -0500
> > > > From: mburman(a)redhat.com
> > > > To: sokratis123k(a)outlook.com
> > > > CC: users(a)ovirt.org
> > > > Subject: Re: [ovirt-users] Remove Master Data Domain in oVirt 3.=
5.0
> > > >
> > > > So that means you have configured your other storage domains und=
er
> > > another DC=2C but you haven't configured them on
the relevant DC=
=2C cause
> > > 'There are no compatible Storage Domains to
attach to this Data Ce=
nter'
> > > > Or they are Detached from DC.
> > > >
> > > > ----- Original Message -----
> > > > From: "s k" <sokratis123k(a)outlook.com>
> > > > To: "Michael Burman" <mburman(a)redhat.com>
> > > > Cc: users(a)ovirt.org
> > > > Sent: Monday=2C January 19=2C 2015 2:32:10 PM
> > > > Subject: RE: [ovirt-users] Remove Master Data Domain in oVirt 3.=
5.0
> > > >
> > > > When I click on 'Re-Initialize Data Center' I get the
following
> message:
> > > > There are no compatible Storage Domains to attach to this Data
> > > Center. Please add new Storage from the Storage tab.
> > > >
> > > > > Date: Mon=2C 19 Jan 2015 07:02:28 -0500
> > > > > From: mburman(a)redhat.com
> > > > > To: sokratis123k(a)outlook.com
> > > > > CC: users(a)ovirt.org
> > > > > Subject: Re: [ovirt-users] Remove Master Data Domain in oVirt =
3.5.0
> > > > >
> > > > > Hi Sokratis=2C
> > > > >
> > > > > You can go to Data Center main tab=2C choose relevant DC=2C cl=
ick right
> > > click on the DC=2C choose 'Re-Initialize Data
Center'=2C in this w=
indow you
> > > can choose another compatible Storage Domain and
choose him to be =
your
> > > master Data Storage Domain.
> > > > >
> > > > > Michael B
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "s k" <sokratis123k(a)outlook.com>
> > > > > To: users(a)ovirt.org
> > > > > Sent: Monday=2C January 19=2C 2015 1:06:08 PM
> > > > > Subject: [ovirt-users] Remove Master Data Domain in oVirt 3.5.=
0
> > > > >
> > > > > Hello=2C
> > > > >
> > > > >
> > > > > I would like to remove the Master Data Domain because I need t=
o
> > > decommission the underlying storage device.
> > > > >
> > > > >
> > > > > Is there a way to manually change the Master Data Domain? Will=
the
> > > Master Data Domain be reassigned automatically when
the current on=
e is
> > > deleted?
> > > > >
> > > > >
> > > > > Thank you=2C
> > > > >
> > > > >
> > > > > Sokratis
> > > > >
> > > > > _______________________________________________
> > > > > Users mailing list
> > > > > Users(a)ovirt.org
> > > > >
http://lists.ovirt.org/mailman/listinfo/users
> > > > >
> > > > > --
> > > > > Michael Burman
> > > > > Intern in RedHat Israel=2C RHEV-M QE Network Team
> > > > >
> > > > > Mobile: 054-5355725
> > > > > IRC: mburman
> > > >
> > > >
> > > > --
> > > > Michael Burman
> > > > Intern in RedHat Israel=2C RHEV-M QE Network Team
> > > >
> > > > Mobile: 054-5355725
> > > > IRC: mburman
> > >
> > >
> > > _______________________________________________
> > > Users mailing list
> > > Users(a)ovirt.org
> > >
http://lists.ovirt.org/mailman/listinfo/users
> > >
> >
=20
=
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<body class=3D'hmmessage'><div dir=3D'ltr'>Unfortunately the
new Master Dat=
a Domain remained Active only for a few minutes and then the following erro=
r 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 Dat=
a Domain without
success.</div><div><br></div><div><br></div><div>Finally
&=
nbsp=3BI 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 C=
enter.</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=3D"stopSpelling">From: sokr=
atis123k(a)outlook.com<br>To: iheim(a)redhat.com=3B mburman(a)redhat.com<br>CC: u=
sers(a)ovirt.org<br>Subject: RE: [ovirt-users] Remove Master Data Domain in o=
Virt 3.5.0<br>Date: Tue=2C 20 Jan 2015 17:21:09 +0200<br><br>=0A=
=0A=
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<div dir=3D"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><d=
iv>Sokratis<br><br><div>>=3B Date: Tue=2C 20 Jan 2015 17:00:37
+0200<br>&=
gt=3B From: iheim(a)redhat.com<br>&gt=3B To: sokratis123k(a)outlook.com=3B mbur=
man(a)redhat.com<br>&gt=3B CC: users(a)ovirt.org<br>&gt=3B Subject: Re:
[ovirt-=
users] Remove Master Data Domain in oVirt 3.5.0<br>>=3B <br>>=3B
On 01/=
20/2015 03:54 PM=2C s k wrote:<br>>=3B >=3B I created a new Data
Domain=
(detached from all the DCs) and clicked<br>>=3B >=3B on
'Re-Initialize=
Data Center'.<br>>=3B >=3B<br>>=3B
>=3B<br>>=3B >=3B Now I'm a=
ble to select this Data Domain as the new Master. However when<br>>=3B
&g=
t=3B I select it and click OK I get the following error:<br>>=3B
>=3B<b=
r>>=3B >=3B<br>>=3B >=3B Error while executing action:
Cannot recov=
er Data Center Storage.<br>>=3B >=3B The relevant Storage Domain's
stat=
us is Active.<br>>=3B <br>>=3B as i said earlier=2C re-init DC is
for e=
mergency flow when your DC is down.<br>>=3B that's not your
case.<br>>=
=3B you just need to deactivate the domain you don't want to be the master =
<br>>=3B domain (deactivate=2C not detach. you can probably detach if a 3=
.5 DC=2C <br>>=3B since it support re-attach. in <=3B3.5 DC levels
deta=
ch means "remove all <br>>=3B disks/VMs from that
domain".<br>>=3B <br>=
>=3B >=3B<br>>=3B >=3B >=3B Date: Mon=2C 19 Jan 2015
17:28:06 +0=
200<br>>=3B >=3B >=3B From: iheim(a)redhat.com<br>&gt=3B
>=3B >=
=3B To: sokratis123k(a)outlook.com=3B mburman(a)redhat.com<br>&gt=3B >=3B
&g=
t=3B CC: users(a)ovirt.org<br>&gt=3B >=3B >=3B Subject: Re:
[ovirt-users=
] Remove Master Data Domain in oVirt 3.5.0<br>>=3B >=3B
>=3B<br>>=
=3B >=3B >=3B On 01/19/2015 04:05 PM=2C s k wrote:<br>>=3B
>=3B &=
gt=3B >=3B No=2C all the Storage Domains are attached=2Cthey are active a=
nd have VMs<br>>=3B >=3B >=3B >=3B running on the same
DC.<br>>=
=3B >=3B >=3B<br>>=3B >=3B >=3B re-init DC is for
emergency aft=
er you lost all your SD's and allows you<br>>=3B >=3B >=3B to
choose=
a data domain not yet attached to any DC.<br>>=3B >=3B >=3B just
de=
activate the domains you won't won't to be master domains and<br>>=3B
>=
=3B >=3B engine will elect another domain as master.<br>>=3B >=3B
&=
gt=3B<br>>=3B >=3B >=3B >=3B<br>>=3B >=3B
>=3B >=3B >=
=3B Date: Mon=2C 19 Jan 2015 08:01:16 -0500<br>>=3B >=3B >=3B
>=3B=
>=3B From: mburman(a)redhat.com<br>&gt=3B >=3B >=3B >=3B
>=3B To:=
sokratis123k(a)outlook.com<br>&gt=3B >=3B >=3B >=3B >=3B
CC: users@=
ovirt.org<br>>=3B >=3B >=3B >=3B >=3B Subject: Re:
[ovirt-users]=
Remove Master Data Domain in oVirt 3.5.0<br>>=3B >=3B >=3B
>=3B &=
gt=3B<br>>=3B >=3B >=3B >=3B >=3B So that means you
have configu=
red your other storage domains under<br>>=3B >=3B >=3B >=3B
anothe=
r DC=2C but you haven't configured them on the relevant DC=2C cause<br>>=
=3B >=3B >=3B >=3B 'There are no compatible Storage Domains to
attac=
h to this Data Center'<br>>=3B >=3B >=3B >=3B
>=3B Or they are D=
etached from DC.<br>>=3B >=3B >=3B >=3B
>=3B<br>>=3B >=3B &=
gt=3B >=3B >=3B ----- Original Message -----<br>>=3B >=3B
>=3B &=
gt=3B >=3B From: "s k"
&lt=3Bsokratis123k(a)outlook.com&gt=3B<br>&gt=3B >=
=3B >=3B >=3B >=3B To: "Michael Burman"
&lt=3Bmburman(a)redhat.com&gt=
=3B<br>>=3B >=3B >=3B >=3B >=3B Cc:
users(a)ovirt.org<br>&gt=3B &g=
t=3B >=3B >=3B >=3B Sent: Monday=2C January 19=2C 2015 2:32:10
PM<br=
>=3B >=3B >=3B >=3B >=3B Subject: RE:
[ovirt-users] Remove Mast=
er Data Domain in oVirt 3.5.0<br>>=3B
>=3B >=3B >=3B >=3B<br>>=
=3B >=3B >=3B >=3B >=3B When I click on 'Re-Initialize Data
Center=
' I get the following<br>>=3B >=3B message:<br>>=3B
>=3B >=3B &g=
t=3B >=3B There are no compatible Storage Domains to attach to this Data<=
br>>=3B >=3B >=3B >=3B Center. Please add new Storage from the
Sto=
rage tab.<br>>=3B >=3B >=3B >=3B
>=3B<br>>=3B >=3B >=3B &=
gt=3B >=3B >=3B Date: Mon=2C 19 Jan 2015 07:02:28 -0500<br>>=3B
>=
=3B >=3B >=3B >=3B >=3B From:
mburman(a)redhat.com<br>&gt=3B >=3B =
>=3B >=3B >=3B >=3B To:
sokratis123k(a)outlook.com<br>&gt=3B >=3B =
>=3B >=3B >=3B >=3B CC: users(a)ovirt.org<br>&gt=3B
>=3B >=3B &=
gt=3B >=3B >=3B Subject: Re: [ovirt-users] Remove Master Data Domain in=
oVirt 3.5.0<br>>=3B >=3B >=3B >=3B >=3B
>=3B<br>>=3B >=3B=
>=3B >=3B >=3B >=3B Hi Sokratis=2C<br>>=3B
>=3B >=3B >=
=3B >=3B >=3B<br>>=3B >=3B >=3B >=3B >=3B
>=3B You can go =
to Data Center main tab=2C choose relevant DC=2C click right<br>>=3B >=
=3B >=3B >=3B click on the DC=2C choose 'Re-Initialize Data
Center'=2C=
in this window you<br>>=3B >=3B >=3B >=3B can choose
another comp=
atible Storage Domain and choose him to be your<br>>=3B >=3B >=3B
&g=
t=3B master Data Storage Domain.<br>>=3B >=3B >=3B >=3B
>=3B >=
=3B<br>>=3B >=3B >=3B >=3B >=3B >=3B Michael
B<br>>=3B >=
=3B >=3B >=3B >=3B >=3B<br>>=3B >=3B
>=3B >=3B >=3B >=
=3B ----- Original Message -----<br>>=3B >=3B >=3B >=3B
>=3B >=
=3B From: "s k" &lt=3Bsokratis123k(a)outlook.com&gt=3B<br>&gt=3B
>=3B >=
=3B >=3B >=3B >=3B To: users(a)ovirt.org<br>&gt=3B >=3B
>=3B >=
=3B >=3B >=3B Sent: Monday=2C January 19=2C 2015 1:06:08
PM<br>>=3B &=
gt=3B >=3B >=3B >=3B >=3B Subject: [ovirt-users] Remove Master
Dat=
a Domain in oVirt 3.5.0<br>>=3B >=3B >=3B >=3B >=3B
>=3B<br>&g=
t=3B >=3B >=3B >=3B >=3B >=3B Hello=2C<br>>=3B
>=3B >=3B =
>=3B >=3B >=3B<br>>=3B >=3B >=3B >=3B
>=3B >=3B<br>>=
=3B >=3B >=3B >=3B >=3B >=3B I would like to remove the
Master D=
ata Domain because I need to<br>>=3B >=3B >=3B >=3B
decommission t=
he underlying storage device.<br>>=3B >=3B >=3B >=3B
>=3B >=3B=
<br>>=3B >=3B >=3B >=3B >=3B
>=3B<br>>=3B >=3B >=3B >=
=3B >=3B >=3B Is there a way to manually change the Master Data Domain?=
Will the<br>>=3B >=3B >=3B >=3B Master Data Domain be
reassigned =
automatically when the current one is<br>>=3B >=3B >=3B
>=3B delet=
ed?<br>>=3B >=3B >=3B >=3B >=3B
>=3B<br>>=3B >=3B >=3B =
>=3B >=3B >=3B<br>>=3B >=3B >=3B >=3B
>=3B >=3B Thank yo=
u=2C<br>>=3B >=3B >=3B >=3B >=3B
>=3B<br>>=3B >=3B >=3B=
>=3B >=3B >=3B<br>>=3B >=3B >=3B >=3B
>=3B >=3B Sokrati=
s<br>>=3B >=3B >=3B >=3B >=3B
>=3B<br>>=3B >=3B >=3B &g=
t=3B >=3B >=3B
_______________________________________________<br>>=
=3B >=3B >=3B >=3B >=3B >=3B Users mailing
list<br>>=3B >=3B=
>=3B >=3B >=3B >=3B Users(a)ovirt.org<br>&gt=3B
>=3B >=3B >=
=3B >=3B >=3B
http://lists.ovirt.org/mailman/listinfo/users<br>>=3B &=
gt=3B >=3B >=3B >=3B >=3B<br>>=3B >=3B
>=3B >=3B >=3B &=
gt=3B --<br>>=3B >=3B >=3B >=3B >=3B >=3B
Michael Burman<br>&g=
t=3B >=3B >=3B >=3B >=3B >=3B Intern in RedHat Israel=2C
RHEV-M =
QE Network Team<br>>=3B >=3B >=3B >=3B >=3B
>=3B<br>>=3B >=
=3B >=3B >=3B >=3B >=3B Mobile: 054-5355725<br>>=3B
>=3B >=
=3B >=3B >=3B >=3B IRC: mburman<br>>=3B >=3B
>=3B >=3B >=
=3B<br>>=3B >=3B >=3B >=3B >=3B<br>>=3B
>=3B >=3B >=3B =
>=3B --<br>>=3B >=3B >=3B >=3B >=3B Michael
Burman<br>>=3B &=
gt=3B >=3B >=3B >=3B Intern in RedHat Israel=2C RHEV-M QE Network Te=
am<br>>=3B >=3B >=3B >=3B >=3B<br>>=3B
>=3B >=3B >=3B &=
gt=3B Mobile: 054-5355725<br>>=3B >=3B >=3B >=3B >=3B
IRC: mburm=
an<br>>=3B >=3B >=3B >=3B<br>>=3B >=3B
>=3B >=3B<br>>=
=3B >=3B >=3B >=3B
_______________________________________________<b=
r>>=3B >=3B >=3B >=3B Users mailing list<br>>=3B
>=3B >=3B =
>=3B Users(a)ovirt.org<br>&gt=3B >=3B >=3B >=3B
http://lists.ovirt.o=
rg/mailman/listinfo/users<br>>=3B >=3B >=3B
>=3B<br>>=3B >=3B =
>=3B<br>>=3B <br></div></div>
</div></div></div> =
</div></body>
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