** Changed in: nova
Assignee: Sylvain Bauza (sylvain-bauza) => Ed Leafe (ed-leafe)
** Also affects: nova/pike
Assignee: Ed Leafe (ed-leafe)
Status: In Progress
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Ironic Flavor Migration can miss instances
Status in OpenStack Compute (nova):
Status in OpenStack Compute (nova) pike series:
The recently merged patch (https://review.openstack.org/484949) runs
the migration in the driver's init_host() method. It has since been
pointed out that if there are multiple computes handling ironic, some
instances can get skipped if the hash ring is refreshed and an
unmigrated instance is placed on a compute whose init_host has already
run. While a rare thing, this should be corrected to ensure that all
instances have their flavors migrated in Pike.
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