qemu hook: event for source host too
Guy Godfroy
guy.godfroy at gugod.fr
Wed Jan 22 09:56:07 UTC 2020
That's right, I need also that second hook event.
For your information, for now I manage locks manually or via Ansible. To make hook manage locks, I still need to find out a secure way to run LVM commands from a non-root account, but this is another problem.
Le 22 janvier 2020 10:24:53 GMT+01:00, Michal Privoznik <mprivozn at redhat.com> a écrit :
>On 1/22/20 9:23 AM, Guy Godfroy wrote:
>> I could launch `lvchange -asy` on the source host manually, but the
>aim
>> of hooks is to automatically execute such commands and avoid human
>errors.
>
>Agreed. However, you would need two hooks actually. One that is called
>on the source when the migration is started, and the other that is
>called on the destination when the migration is finished (so that you
>can promote the shared lock to the exclusive again). Just out of
>curiosity - how do you handle the lock promoting?
>
>Michal
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