[Samba] gpfs + sernet samba + ctdb + transparent failover confusion

[Sabuj Pattanayek]

> I'm also still confused about the difference between durable file handles
> and persistent file handles (or are these the same?).
>
>
Saw your SNIA presentation :

https://www.snia.org/sites/default/files2/SDC2012/presentations/SMB2-3/MichaelAdam-Status-smb3-samba-presentation.pdf

..and it's make a little bit more sense now, as you said, not yet fully
supported for long running I/Os