Public bug reported:
If a client does:
nova volume-detach foo vol
nova delete foo
Assuming the volume-detach takes a moment, which it normally does, the
delete will race with it also also attempt to detach the same volume.
It's possible there are no side effects from this other than untidy log
messages, but this is difficult to prove.
I found this looking through CI logs.
Note that volume-detach can also race with other instance operations,
including itself. I'm almost certain that if you poke hard enough you'll
find some combination that breaks things badly.
** Affects: nova
Importance: Undecided
Assignee: Matthew Booth (mbooth-9)
Status: In Progress
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https://bugs.launchpad.net/bugs/1662483
Title:
detach_volume races with delete
Status in OpenStack Compute (nova):
In Progress
Bug description:
If a client does:
nova volume-detach foo vol
nova delete foo
Assuming the volume-detach takes a moment, which it normally does, the
delete will race with it also also attempt to detach the same volume.
It's possible there are no side effects from this other than untidy
log messages, but this is difficult to prove.
I found this looking through CI logs.
Note that volume-detach can also race with other instance operations,
including itself. I'm almost certain that if you poke hard enough
you'll find some combination that breaks things badly.
To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/1662483/+subscriptions
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