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

[Sandro Bonazzola]

Adding some people

On Thu, Feb 9, 2017 at 2:08 PM, Gianluca Cecchi <gianluca.cecchi at gmail.com>
wrote:

> 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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Sandro Bonazzola
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