[Info-vax] Kittson question

[Stanley F. Quayle]

On Thursday, January 1, 2015 8:44:05 PM UTC-5, JF Mezei wrote:
> Do the apps even know their data resides on a SAN ? DoN't applications
> simply see an ODS2 or ODS-5 file system even if behind the scenes VMS
> does other stuff (SAN, DECnet, NFS etc) ?

That's one choice. The disk becomes a "container file", which is a single file in Windows. Inside that file is an ODS-2/-5 file structure.

> If the host hardware does have a SAN attached, should the host hardware
> give the emulated VAX or Alpha direct access to the SAN

That's the other choice. The SAN will have Windows drivers, so they can use the Windows name (\\.\PhysicalDrivexyz). Windows then handles any necessary translation.