Hi David.

My understanding is that you can't use VFP on a SAN because file locks don't work. A SAN is treated as a separate device by each machine that is connected to it, and since file locks are handled at a level above the device by the OS, the different machines can not see each other's locks.

Ian Simcock.


>Does anyone have experience running data intensive VFP apps over a SAN?
>
>If so, how does performance compare to direct-attached HDs? I've read that SANs can be set up with impressive IO capabilities by spanning LUNs, thus giving IO functions multiple disks to read/write to. But there is also the question of latency and network speed.
>
>Can SANs be faster than direct-attached HDs?
>
>What aspects of a SAN should I be looking at when evaluating performance (i.e. switch speed, etc.).
>
>Thanks,
>
>David