[ovirt-users] Re: Moving HostedEngine
Hi Joseph,
It is mandatory to create a dedicated gluster volume for the HostedEngine.
There is a thread which explains why and the risks of not following these guidlines.
You can set the volume on thinLVM, so you can snapshot your gluster's volume before
patching of the engine (of course you have to shutdown the engine in advance).
About the transfer, the safest way is to backup & restore as you are not migrating
from 1 type of storage domain to another of same type.
Yet, I can't help you with that procedure - as I have never done it.
Best Regards,
Strahil NikolovOn Nov 27, 2019 11:46, Joseph Goldman <joseph(a)goldman.id.au> wrote:
Hi List,
In one of my installs, I set up the first storage domain (and where
the HostedEngine is) on a bigger NFS NAS - since then I have created a
Gluster volume that spans the 3 hosts and I'm putting a few VM's in
there for higher reliability (as SAN is single point of failure) namely
I'd like to put HostedEngine in there so it stays up no matter what and
can help report if issues occur (network issue to NAS, NAS dies etc etc)
Looking through other posts and documentation, there's no real way to
move the HostedEngine storage, is this correct? The solution I've seen
is to backup the hosted engine DB, blow it away, and re-deploy it from
the .backup file configuring it to the new storage domain in the deploy
script - is this the only process? How likely is this to fail? Is it
likely that all VM's and settings will be picked straight back up and
continue to operate like normal? I dont have a test setup to play around
with atm so just trying to gauge confidence in such a solution.
Thanks,
Joe
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