On Thu, Feb 3, 2022 at 1:50 PM Ayansh Rocks <shashank123rastogi(a)gmail.com>
wrote:
Do I need to clean it from every host which has the hosted engine ?
Sinc
the other host still can see it.
No, the metadata "whiteboard" is shared. Just one copy that you removed.
Once node 3 start reporting again, it will simply put new content in there.
Not sure about vdsm, maybe some component (vdsm, engine) is still trying to
get status of node 3. I have been away for too long, so Didi will have to
pitch in.
Martin Sivak
On Thu, Feb 3, 2022 at 6:02 PM Ayansh Rocks <shashank123rastogi(a)gmail.com>
wrote:
> 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>
> wrote:
>
>> On Thu, Feb 3, 2022 at 9:11 AM Ayansh Rocks
>> <shashank123rastogi(a)gmail.com> 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.
>>
>
It should be safe in global maintenance, the only risk is when you remove
the report of a node that currently runs the engine. As other nodes might
decide that the engine needs restarting.
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>
>> wrote:
>> >>
>> >> On Thu, Feb 3, 2022 at 5:53 AM Ayansh Rocks
>> >> <shashank123rastogi(a)gmail.com> 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
>>
>> _______________________________________________
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