[openstack-dev] [nova] bug 1550250: delete_on_termination" flag: how to proceed?
soulxu at gmail.com
Tue Mar 29 09:46:15 UTC 2016
2016-03-29 16:28 GMT+08:00 Nikola Đipanov <ndipanov at redhat.com>:
> On 03/29/2016 09:14 AM, Markus Zoeller wrote:
> > The discussion around Bug 1550250  doesn't show a clear path on how
> > to proceed. In short, it's about if we want to keep the flag
> > "delete_on_termination" for volumes which get migrated. Right now that
> > flag gets reset during the migration process. The patch  is stalled
> > by the missing decision. Would be great if we could come to a conclusion.
> I have left more details in the gerrit comments, but in short: I changed
> my mind after a bit of back and forth with YaoZheng (the author of the
> fix), and I think we should accept the fix.
+1, I'm also prefer to fix it.
> As for this being an API breaking change - this has come up several
> times before, and I don't think it is. We need to be able to fix broken
> behavior without requiring microversion changes, as long as they don't
> change the response format. Of course we should consider each case on
> it's own based on how big the change is, but we should err on the side
> of allowing broken behavior to be fixed without adding (useless) versions.
> I don't think it's reasonable for Nova to strive to be bug compatible,
> and this has been agreed on several other occasions. It seems to come up
> from time to time so we may want to codify it somehow.
Emm....It's hard to say it is a bug. This behaviour existed when its born
> > References:
> >  https://bugs.launchpad.net/nova/+bug/1550250
> >  https://review.openstack.org/#/c/288433/
> > Regards, Markus Zoeller (markus_z)
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