Open Stack

> We have four servers and one SAS data store for the openstack deployment. All servers have SAS 
> interfaces. We are going to put one controller node and 3 compute nodes. We need to run the system with 
> live migration enabled.
>
> Is there are other options available to use the Compute nodes SAS interfaces too but live migration needed also 
> enabled.

The only way to directly access the same data on the SAS data store would be by running a clustered filesystem. (e.g. GFS)
Clustered filesystems are quite a bit more complex then regular filesystems so I'm not sure if that would be the preferred route though. 


Cheers,
Robert van Leeuwen