Comment 1 for bug 1456196

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Xav Paice (xavpaice) wrote : Re: Nova show command should throw an error if flavor doesnot exist

The old flavors, after having been deleted, still exist in the instance_types table, so this isn't necessarily a problem.

However, if a flavor is deleted, then the instance based on that deleted flavor is migrated, the migration fails.

Should we be discussing a check to make sure a flavor isn't in use before deleting, or making it possible to use deleted flavors for existing instances?