Re: [ovirt-users] Hosted Engine & FC Data Domain
On Tue, Jul 26, 2016 at 12:47 AM, Anantha Raghava
<raghav(a)exzatechconsulting.com> wrote:
Hello,
I had recently installed oVirt 4.0.1 Hosted Engine with FC (SAN) Storage.
I could install the oVirt, deploy hosted-engine. But when I accessed the
Engine Web Admin, I noticed the following:
a. There was no Data Domain. I had to import the FC LUN, on which the Hosted
Engine's Disk resided into Storage manually. But when I attempted to attach
the data domain to Data Center, it failed.
b. I ended up removing all configuration, and recreated the FC LUNs. This
time, I created two LUNs, on one LUN, the Hosted Engine resided. This time,
first, I had to import the second LUN as master Data Domain and add the LUN
on which Engine VM resided as just another Data Domain.
Now the questions:
i. Will Hosted Engine not automatically import the hosted_storage as master
data domain? Why does it throw error when attempted to import and attach to
DC?
You have just to create the first storage domain for regular VMs which
will become the master storage domain.
At that point the datacenter can go up and the engine will import the
hosted-engine storage domain by itself.
I agree with you that the warning message is a bit confusing and
indeed we have an open bug to change it:
https://bugzilla.redhat.com/show_bug.cgi?id=1358313
ii. Is it necessary to have another data domain as master data
domain,
before attaching hosted_storage?
Yes, you have.
iii. How do we change the master data domain from one to another?
Please avoid it.
--
Thanks & Regards,
Anantha Raghava
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