It is eligible to run on a zIIP.

[email protected]


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of John Kelly
Sent: Friday, April 17, 2009 SYSN 12:25 PM
To: [email protected]
Subject: Re: TMM with CA-1 and STK Silo

<snip>
Of course you can have a full-functional "virtual tape" solution without 
the hardware, its called CA-Vtape ;}
<unsnip>

Since Russell brought it up, I'd like to inquire if users have measured 
how much CA Vtape cost in cycles. Although we're a small uniprocessor when 
Vtape activity gets going (activity rate is in the low 100/sec) , we lose 
about 25% of our processor to Vtape. Is that the kind of numbers that 
others are seeing? I know YMMV but just fishing for some comparisons.

Jack Kelly
202-502-2390 (Office)

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