On 04/11/2016 11:11 AM, Sandro Bonazzola wrote: > On Mon, Apr 11, 2016 at 9:37 AM, Richard Neuboeck > <[email protected] <mailto:[email protected]>> wrote: > > Hi Darryl, > > I'm still experimenting with my oVirt installation so I tried to > recreate the problems you've described. > > My setup has three HA hosts for virtualization and three machines > for the gluster replica 3 setup. > > I manually migrated the Engine from the initial install host (one) > to host three. Then shut down host one manually and interrupted the > fencing mechanisms so the host stayed down. This didn't bother the > Engine VM at all. > > > Did you move the host one to maintenance before shutting down? > Or is this a crash recovery test?
I did not put the machine in maintenance mode. Just issued 'poweroff' on the command line. Same for host one as host three. > > To make things a bit more challenging I then shut down host three > while running the Engine VM. Of course the Engine was down for some > time until host two detected the problem. It started the Engine VM > and everything seems to be running quite well without the initial > install host. > > > Thanks for the feedback! > > > > > My only problem is that the HA agent on host two and three refuse to > start after a reboot due to the fact that the configuration of the > hosted engine is missing. I wrote another mail to > [email protected] <mailto:[email protected]> > about that. > > > This is weird. Martin, Simone can you please investigate on this? > > > > > > Cheers > Richard > > On 04/08/2016 01:38 AM, Bond, Darryl wrote: > > There seems to be a pretty severe bug with using hosted engine > on gluster. > > > > If the host that was used as the initial hosted-engine > --deploy host goes away, the engine VM wil crash and cannot be > restarted until the host comes back. > > > is this an Hyperconverged setup? > > > > > > > This is regardless of which host the engine was currently running. > > > > > > The issue seems to be buried in the bowels of VDSM and is not > an issue with gluster itself. > > > Sahina, can you please investigate on this? > > > > > > > The gluster filesystem is still accessable from the host that > was running the engine. The issue has been submitted to bugzilla > but the fix is some way off (4.1). > > > > > > Can my hosted engine be converted to use NFS (using the > gluster NFS server on the same filesystem) without rebuilding my > hosted engine (ie change domainType=glusterfs to domainType=nfs)? > > > > > > > What effect would that have on the hosted-engine storage > domain inside oVirt, ie would the same filesystem be mounted > twice or would it just break. > > > > > > Will this actually fix the problem, does it have the same > issue when the hosted engine is on NFS? > > > > > > Darryl > > > > > > > > > > ________________________________ > > > > The contents of this electronic message and any attachments > are intended only for the addressee and may contain legally > privileged, personal, sensitive or confidential information. If > you are not the intended addressee, and have received this > email, any transmission, distribution, downloading, printing or > photocopying of the contents of this message or attachments is > strictly prohibited. Any legal privilege or confidentiality > attached to this message and attachments is not waived, lost or > destroyed by reason of delivery to any person other than > intended addressee. If you have received this message and are > not the intended addressee you should notify the sender by > return email and destroy all copies of the message and any > attachments. Unless expressly attributed, the views expressed in > this email do not necessarily represent the views of the company. > > _______________________________________________ > > Users mailing list > > [email protected] <mailto:[email protected]> > > http://lists.ovirt.org/mailman/listinfo/users > > > > > -- > /dev/null > > > _______________________________________________ > Users mailing list > [email protected] <mailto:[email protected]> > http://lists.ovirt.org/mailman/listinfo/users > > > > > -- > Sandro Bonazzola > Better technology. Faster innovation. Powered by community > collaboration. > See how it works at redhat.com <http://redhat.com> -- /dev/null
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