Sorry, left off the response to the separate network idea from my previous reply

>  I create a seperate network (SAN) to the tsmserver for these four
clients, with their own diskpoolspace. <

Do not see any point in having a separate network, since your backups are
failing for space not
down to network problems.
If you want a separate storage pool for a group of clients then you can direct
them there via
management class or separate policy domain.




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