[Xen-devel] [PATCH][XEND]Fix checkname so that it detects duplicate domains.

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

When using "xm restore" or "xm create" it's possible to create multiple
instances of the same domain. 

With this patch, it is not allowed to have multiple instances with the
same name. This should still work for live migration to localhost, as
the migration-path changes the name of the original domain-name, so the
original domain will not name-clash with the migration-target-domain. 

The previous behaviour was to check that the UUID is different, but for
domains that either have UUID in the config file, or that are the result
of restore, the UUID is definitely going to be the same for multiple
instances, so I believe this isn't a correct behaviour in the first
place. 

There is still a bit of a problem that "xm restore" doesn't report the
error correctly - it does say "Restore failed", but not explicitly that
it was caused by using an already existing name.

Signed off by: Mats Petersson (mats.petersson@xxxxxxx)

--
Mats

patch.fix_checkname
Description: patch.fix_checkname

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