Hello Wanda,

As TSM allocates drives in order, you have to distribute drive between the HBAs 
in a round robin way (with 4 hba : drive 1 on hba 1, drive 2 on hba... drive 5 
on hba 1 and so on). I prefer doing this at VTL level using mapping policy (i.e 
access groups on Data Domain). 

Le 13 octobre 2014 18:28:36 CEST, "Prather, Wanda" <Wanda.Prather AT ICFI DOT 
COM> a écrit :
>TSM 7.1.1 on AIX
>So I have a customer putting in a VTL, which will have 96 virtual
>drives.
>Those virtual drives will be spread across 4 HBA's.
>
>What sort of strategies to people use to keep TSM from starting a
>BACKUP stgpool process and picking 4 virtual drives all on the same
>HBA?
>Is it dependent on the order you do your DEFINE DRIVE commands? Better
>to set up multiple virtual libraries?
>
>Any suggestions appreciated.
>
>Wanda
>
>
>Wanda Prather  |  Senior Technical Specialist  |
>Wanda.Prather AT icfi DOT com<mailto:Wanda.Prather AT icfi DOT com>  | 
>www.icfi.com<http://www.icfi.com/> | 410-868-4872 (m)
>ICF International  | 7125 Thomas Edison Dr., Suite 100, Columbia, Md
>|443-718-4900 (o)

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