Current setup:
* 3 identical hosts running on HP GL180 g5 servers
o gluster running 5 volumes in replica 3
* engine running on VMWare Server on another computer (that computer is NOT
available to convert to a host)
Where I want to end up:
* 3 identical hosted-engine hosts running on HP GL180 g5 servers
o gluster running 6 volumes in replica 3
+ new volume will be nfs storage for engine VM
* hosted engine in oVirt VM
* as few changes to current setup as possible
The two pages I found on the wiki are: Hosted Engine Howto
<http://www.ovirt.org/Hosted_Engine_Howto> and Migrate to Hosted Engine
<http://www.ovirt.org/Migrate_to_Hosted_Engine>. Both were written during
the testing process, and have not been updated to reflect production status.
I don't know if anything in the process has changed since they were written.
Process outlined in above two pages (as I understand it):
have nfs file store ready to hold VM
Do minimal install (not clear if ovirt node, Centos, or Fedora was
used--I am Centos-based)
# yum install ovirt-hosted-engine-setup
# hosted-engine --deploy
Install OS on VM
return to host console
at "Please install the engine in the VM" prompt on host
on VM console
# yum install ovirt-engine
on old engine:
service ovirt-engine stop
chkconfig ovirt-engine off
set up dns for new engine
# engine-backup --mode=backup --file=backup1 --log=backup1.log
scp backup file to new engine VM
on new VM:
# engine-backup --mode=restore --file=backup1 --log=backup1-restore.log
--change-db-credentials --db-host=didi-lap --db-user=engine --db-password
--db-name=engine
# engine-setup
on host:
run script until: "The system will wait until the VM is down."
on new VM:
# reboot
on Host: finish script
My questions:
1. Is the above still the recommended way to do a hosted-engine install?
2. Will it blow up at me if I use my existing host (with glusterfs all set
up, etc) as the starting point, instead of a clean install?
Thank you for letting me benefit from your experience,
Ted Miller
Elkhart, IN, USA
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