[ovirt-users] shutdown and kernel panic

[Luigi Fanton]

I cant put host in maintenance mode before, because the host-egnie is a VM
inside the single host.
... unfortunately the shutdown problem persist ... :-(

2016-11-23 18:06 GMT+01:00 Pavel Gashev <Pax at acronis.com>:

> Luigi,
>
>
>
> It’s necessary to put a host into maintenance mode before shutdown.
>
>
>
> That panic is a kernel reaction to NMI, which is triggered by hardware
> watchdog, which is set by wdmd daemon, which is used by sanlock. This
> scheme is intended to hardware reset a server if it has lost connection to
> its storage when lock is acquired.
>
>
>
> On HP servers it’s necessary to configure watchdog to do hardware reset
> instead of NMI in BIOS settings.
>
>
>
>
>
> *From: *<users-bounces at ovirt.org> on behalf of Juan Pablo <
> pablo.localhost at gmail.com>
> *Date: *Wednesday 23 November 2016 at 17:17
> *To: *Luigi Fanton <lfanton at synt.net>
> *Cc: *"users at ovirt.org" <users at ovirt.org>
> *Subject: *Re: [ovirt-users] shutdown and kernel panic
>
>
>
> same issue here. I guess now that I read your post that its an HP bug
> 'somehow' (to blame someone).
>
> maybe thats why ovirt asks for fencing interfaces as ilo/imm/ipmi, to hard
> reboot the server in case there's an issue like this.
>
>
>
> just my 2c
>
>
>
> 2016-11-22 13:22 GMT-03:00 Luigi Fanton <lfanton at synt.net>:
>
> Hello to all,
> I'm just playing with ovirt4, installed on HP server with CentOS 7, and a
> virtual machine  as host engine.
> I have a lot of problems with the server shutdown!
> The server dosn't power off and will reboot after some "kernel panic"
> error.
>
> To turn off the ovirt server:
> 1) Put ovirt in global maintinience (hosted-engine --set-maintenance
> --mode=global)
> 2) Host engine shutdown and check vm-status
> 3) Finaly, shutdown server and wait ... wait ... wait
>
> Whats wrong?! -_-
>
>
> best regards
>
> Luigi F.
>
>
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>
>
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