cloudstor:azure doesn't work with PostgreSQL

[rasmus]

Original problem is described here: Azure/azurefile-dockervolumedriver#65

[ddebroy]

The limitations of SMB noted in Azure/azurefile-dockervolumedriver#65 indeed leads to this behavior. Once the Go APIs for attach/detach VHD support for VM Scale Sets is publicly available from Azure, we can add relocatable volume support for Azure in cloudstor and no longer have to depend on SMB's restrictions.

[rasmus]

@ddebroy that's great, any chance that will be by end H1 2018?

[djeeg]

Is this it? Azure/azure-sdk-for-go#944

Would we have to wait for both the Go APIs and also for https://github.com/Azure/vm-scale-sets/tree/master/preview/disk to come out of preview before we would get access to this feature?

Btw is the current recommend to run using local volumes then migrate to cloudstor volumes when the above lands, with some kind of migration path.