[ovirt-users] Best way to shutdown and restart hypervisor?

[Gianluca Cecchi]

On Wed, Feb 8, 2017 at 10:59 AM, Gianluca Cecchi <gianluca.cecchi at gmail.com>
wrote:

> Hello,
> what is considered the best way to shutdown and restart an hypervisor,
> supposing plain CentOS 7 host?
>
> For example to cover these scenarios:
> 1) update host from 4.0 to 4.1
> 2) planned maintenance to the cabinet where the server is located and take
> the opportunity to update also OS packages
>
> My supposed workflow:
>
> - put host into maintenance
> - yum update on host
> - shutdown os from inside host (because from power mgmt it is brutal power
> off / power on)
> --> should I get any warning from web admin gui in this case, even if the
> host was in maintenance mode?
> - power mgmt -> start from webadmin gui
> (or power on button/virtual button at host side?)
>
> Would be advisable to put inside power mgmt functionality some logic about
> os mgmt, so for example, if action is restart, first try to shutdown OS and
> only in case of failure power off/power on?
>
> Thanks in advance,
> Gianluca
>

I see that one of the new features of 4.1 is Host restart through SSH
Power Mgmt --> SSH Mgmt --> Restart

How does it fit in question above?
Can I choose this way after having run "yum update" on host?
Thanks
Gianluca
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