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Hi all, After succesful update from 3.6 to 3.8.1, we're testing the premigrate/postmigrate feature. We're using a shared system datastore, and all the VM have iscsi volumes attached. The premigrate feature is really useful for this scenario, letting us to login into the iscsi volumes before migration without need for a more complex setup involving qemu scripts at the hosts. We're using a modified version of the iscsi DATASTORE / TM drivers, adapted to our Equallogic setup. These drivers are added to the opennebula config as new driver (eqliscsi), and all the other features run as expected. But there's some questions about the premigrate/postmigrate feature: - There's premigrate/postmigrate scripts at every TM driver, but the only one called when doing a VM migration was the shared TM. - The eqliscsi TM premigrate scripts must be called from the shared TM? - It's planed to call every premigrate script from every datastore used inside the VM? I'm thinking in a scenario where one VM has different disks from different datastores attached and need to do some operations before/after migration. The premigrate/postmigrate scripts must be called at least for every different TM driver needed. Maybe I'm mixing some concepts between datastore and tm drivers, but some help to define the correct way to manage this scenario wil be grealty appreciated. Best regards, --
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