>>Yes, I think that would be better. 

Hi,

I have dig a little big, and I find the real problem.

block-job-cancel is async, so it take 1 or 2s for the block-job is really 
finished.

That's why we got the "rbd has watcher" error, because the disk was always open 
in qemu.

So, we just need to check that block-job don't exist anymore before continue.

I'll send a patch today.



Also, for block-job-complete 100%, I think that checking if $stat->{len} == 
$stat->{offset} is not enough.

query-block-jobs return an additionnal info : $stat->{busy}  true|false.

I think we need to check that $stat->{len} == $stat->{offset} and $stat->{busy} 
eq 'false'







----- Mail original ----- 

De: "Dietmar Maurer" <[email protected]> 
À: "Alexandre DERUMIER" <[email protected]> 
Cc: [email protected] 
Envoyé: Jeudi 6 Novembre 2014 16:08:38 
Objet: RE: [pve-devel] [PATCH] rbd : free_image : retry if rbd has watchers 

> >>And what happens if we get other errors? 
> 
> Currently It's retrying until $i > ~0 
> 
> but we could add a die directly if $err !~ image still has watchers 

Yes, I think that would be better. 
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