[ovirt-users] Re: How to clean stale engine from "hosted-engine unknow stale-data"

Hi Yedidyah, Thanks, After cleaning it from one host i am getting below error messages on /var/log/messages Feb 3 18:01:02 iondelsvr14 vdsm[11893]: ERROR Malformed metadata for host 3: received 0 of 512 expected bytes Feb 3 18:01:03 iondelsvr14 vdsm[11893]: ERROR Malformed metadata for host 3: received 0 of 512 expected bytes Feb 3 18:01:03 iondelsvr14 vdsm[11893]: ERROR Malformed metadata for host 3: received 0 of 512 expected bytes Feb 3 18:01:03 iondelsvr14 vdsm[11893]: ERROR Malformed metadata for host 3: received 0 of 512 expected bytes Feb 3 18:01:13 iondelsvr14 vdsm[11893]: ERROR Malformed metadata for host 3: received 0 of 512 expected bytes Feb 3 18:01:13 iondelsvr14 vdsm[11893]: ERROR Malformed metadata for host 3: received 0 of 512 expected bytes Feb 3 18:01:17 iondelsvr14 vdsm[11893]: ERROR Malformed metadata for host 3: received 0 of 512 expected bytes Feb 3 18:01:18 iondelsvr14 vdsm[11893]: ERROR Malformed metadata for host 3: received 0 of 512 expected bytes Feb 3 18:01:23 iondelsvr14 vdsm[11893]: ERROR Malformed metadata for host 3: received 0 of 512 expected bytes Feb 3 18:01:23 iondelsvr14 vdsm[11893]: ERROR Malformed metadata for host 3: received 0 of 512 expected bytes On Thu, Feb 3, 2022 at 1:04 PM Yedidyah Bar David <didi(a)redhat.com&gt; wrote: > On Thu, Feb 3, 2022 at 9:11 AM Ayansh Rocks > <shashank123rastogi(a)gmail.com&gt; wrote: > > > > Hi Yedidyah, > > > > I am thinking to do below - > > > > # hosted-engine --set-maintenance --mode=global > > # hosted-engine --clean-metadata --host-id=<old_host_id> --force-clean" > > > > I hope it is safe and tested ? > > It is tested, and it's "safe" as in "Does what it's designed to do". > > It's definitely not "safe" as in "riskless" - if you make a mistake, > you risk damage. I didn't use it myself recently, and do not remember > details anymore. It's definitely not something that you are supposed > to use/need casually. > > If unsure, and if your environment is important to you (not just some > test/dev/learn thing), I warmly suggest to try this first on a test > env (can be done with nested-kvm VMs, no need for physical machines > for this). > > That said, others on this list (and elsewhere) did use it successfully, > and I recommend again to search for examples/reports/experiences. > > Good luck and best regards, > > > > > Thanks > > > > On Thu, Feb 3, 2022 at 12:17 PM Yedidyah Bar David <didi(a)redhat.com&gt; > wrote: > >> > >> On Thu, Feb 3, 2022 at 5:53 AM Ayansh Rocks > >> <shashank123rastogi(a)gmail.com&gt; wrote: > >> > > >> > Hi All, > >> > > >> > How to clean stale hosted engine from the database. I want to remove > host id=3 > >> > >> Perhaps by using the options '--clean_metadata' and '--host-id' > >> of the command 'hosted-engine'. > >> You can check documentation, list archives, etc. for details. > >> > >> Good luck and best regards, > >> -- > >> Didi > >> > > > -- > Didi > >