gridcentric/openstack — pull request #29 by amscanne (2012-04-25 21:31:28+00:00)
Title: Synchronization file system during migration

I think that the block device might be going read-only because it is out of sync with the block device on the source. (Unfortunately) we fix this with a bit of a hammer and do a global file system sync between the bless() and launch() operations during migration.