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@xxxxxxxxxx> 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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