Matt,
At the end of October we did just what you're doing. No problems putting in on the existing OS on the existing frame. As far as I know, and I've done this several times before, that PSP maint is not a problem to go on ahead to time as unless you're actually running the machine that uses it, the code just sits there. A lot of the PTF's are for HCD to gen ahead.

At 02:46 PM 3/26/2008, you wrote:
Well, you COULD just put it on and see if it IPLs.

But FWIW, we did the same thing a little over a year ago. I'm pretty sure we were at 1.4 and there was considerably more service than 3 PTFs. Ran on the z890 just fine.



 -----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Matt Dazzo
Sent:   Wednesday, March 26, 2008 1:32 PM
To:     [email protected]
Subject:        z9 BC Hardware Upgrade

We maybe moving from a z890 to a z9 BC machine. We are running zos1.7 at RSU0709 maintenance level. I checked the hardware bucket for the z9-bc and ran the extract file through the host compare program and found only 3 PTF's required. My question is how do I determine if these PTF's can coexist on both machines? There seems to be no coexistence information in the PTF.

Thanks Matt

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Brian W. France
Systems Administrator (Mainframe)
Pennsylvania State University
Administrative Information Services - Infrastructure/SYSARC
Rm 25 Shields Bldg., University Park, Pa. 16802
814-863-4739
[EMAIL PROTECTED]

"To make an apple pie from scratch, you must first invent the universe."

Carl Sagan





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