Ask the Expert  Can the data on a SAN device be accessed by
multiple file systems?  Can a single file system be mounted on
multiple systems in a SAN enviornment?      Requires Free
Membership to View  I'm not sure that I understood your question
properly. If you meant "can the data on a SAN device be
accessible by multiple file systems" the answer is clearly yes.
In principle, data stored in a SAN is accesible to every system
that has access to the SAN and knows the address of the device.
By the way, this is one of the issues SANs tend to have with
Windows NT systems, as NT does not recognize when another file
system already manages a certain resource and just writes its
allocation information on the storage resource assuming it has
exclusive access and ownership to all storage it can see.  To
prevent multiple access to SAN storage, methods like zoning and
LUN masking are used.   This was first published in October 2003
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