> 
> > ICK04000I DEVICE IS IN SIMPLEX STATE
> 
> Ah, memories of 3990 dual copy mode.  This just says that the unit you
> specified is not part of a dual copy pair. Think of it as RAID1 for
> 3390s. Unless you have real 3390s and real 3990s, you probably won't
> ever see the paired version. 
> 

Why do you say that? All of our production DASD runs in 
HRC (Hitachi PPRC) duplex mode. We periodically suspend
the HRC and run backups off the mirror copies, to reduce 
our backup downtime to a minimum. (At least the VM/VSE
DASD).

Shimon
-- 
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Shimon Lebowitz                mailto:[EMAIL PROTECTED]
VM System Programmer           mailto:[EMAIL PROTECTED]
Israel Police National HQ.     http://www.poboxes.com/shimonpgp
Jerusalem, Israel              phone: +972 2 542-9877  fax: 542-9308
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