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SFI Storage Facility Image

 
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colman
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Joined: 17 Oct 2008
Posts: 3
Topics: 2
PostPosted: Wed Nov 12, 2008 6:09 am    Post subject: SFI Storage Facility Image Reply with quote
Hello,

In the redbook "z/OS Version 1 Release 9 Implementation" on page 381 they talk about SMS Volume selection using the SFI "Storage Facility Attribute".
The idea being that Fastcopy and related utilities are much faster if all parts of a multivolume dataset reside in the same SFI.

My question is this :

Where (on an SMS/IODF level) do you code this SFI attribute ?

In a storage group that spans multiple SFIs, how does SMS allocation know which SFI is which ?

What am I missing ?


Many thanks in advance,

Colman.
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