From gluster at distran.org Mon Oct 12 03:17:45 2015 Content-Type: multipart/mixed; boundary="===============1257251309535225590==" MIME-Version: 1.0 From: Nico To: users at ovirt.org Subject: Re: [ovirt-users] oVirt Engine redundant ? Date: Mon, 12 Oct 2015 09:17:43 +0200 Message-ID: <0e71508e524f2bc9848ba31b20458fd7@lienard.name> In-Reply-To: CAGJrMmoWrfvTL2JR+MM240jR1JGfD3141+9VRD-wCxaU-rwQ9A@mail.gmail.com --===============1257251309535225590== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable --=3D_4913ad754affa20e118f87876341a7d1 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=3DUTF-8 = Le 2015-10-12 09:09, Barak Korren a =C3=A9crit : = >> What that procedure describes is backing up an existing engine, >> installing a new one and then restoring the backed up data into it. >> This was probably written to describe migration from a stand-alone >> engine host, not an AllInOne. >> Theoretically this should work for your setup, but I am not sure if >> the new hosted engine will be able to properly use the AllInOne node >> as a hypervisor (it would probably depend on the copied configuration >> containing enough details to allow the engine to connect to it over >> the network. you will probably at the very last have to shut down the >> existing engine before starting up the hosted engine) >> I would suggest doing as many backups as you can before starting, and >> performing the H.E. setup on a host that wasn't used by the existing >> engine, that way if it fails you can just shut it down and bring your >> old engine back up. I got a backup running at this moment, scping /gluster/ovirt/d44ee4b0-8d36-467a-9610-c682a618b698/images/ to a third device. = So, once done, i'll give a shot on the node2 which is running only VDSM as Host agent. = Hope all will be fine ! = --=3D_4913ad754affa20e118f87876341a7d1 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=3DUTF-8

Le 2015-10-12 09:09, Barak Korren a écrit :



What that procedure describes is backing= =3D up an existing engine,
installing a new one and then restoring the b= =3D acked up data into it.
This was probably written to describe migratio= =3D n from a stand-alone
engine host, not an AllInOne.
Theoreticall= =3D y this should work for your setup, but I am not sure if
the new hoste= =3D d engine will be able to properly use the AllInOne node
as a hypervis= =3D or (it would probably depend on the copied configuration
containing e= =3D nough details to allow the engine to connect to it over
the network= =3D =3D2E you will probably at the very last have to shut down the
existi= ng=3D engine before starting up the hosted engine)
I would suggest doing a= =3D s many backups as you can before starting, and
performing the H.E. se= =3D tup on a host that wasn't used by the existing
engine, that way if it= =3D fails you can just shut it down and bring your
old engine back up.

I got a backup running at this moment, scping /gluster/ovirt/d44ee4= =3D b0-8d36-467a-9610-c682a618b698/images/ to a third device.

So, once done, i'll give a shot on the node2 which is running only VDSM = =3D as Host agent.

Hope all will be fine !

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