>yeah, I use TSAF, wanna make an issue of it? :-) Yeah. Meet me out back at lunchtime. Dirty limericks at twenty paces. ;-)
"Always do right. This will gratify some people and confound the rest." - Mark Twain Gordon W. Wolfe, Ph.D. 425-865-1495 VM Technical Services, The Boeing Company > -----Original Message----- > From: Nick Laflamme [mailto:[EMAIL PROTECTED] > Sent: Friday, December 09, 2005 6:54 AM > To: [email protected] > Subject: Re: 2nd-Level VM Install Question - Side question > > My name is Nick, and I defiantly use TSAF. > > (This does not constitute an endorsement from my employer, yada yada > yada....) > > I can do TSAF using only software. For ISLINKs, I can't link > my first-level system in without using hardware, at least on > my z/VM 4.4 system. Maybe hardware CTCAs are much, much > easier to implement than I realize, but given what I have on > hand, yeah, I use TSAF, wanna make an issue of it? :-) > > Sir Nick the Ardent > > Wolfe, Gordon W wrote: > > >You could, but I wouldn't want to admit it in public. > > > > > >>---------- > >>From: Schuh, Richard > >>Sent: Thursday, December 8, 2005 10:08 AM > >> > >>Can't you accomplish the same thing by (ugh) creating TSAF > virtual machines in the 1st and 2nd level systems and > connecting them via VCTCA? > >> > >>-----Original Message----- > >>From: VM/ESA and z/VM Discussions > [mailto:[EMAIL PROTECTED] > >>Behalf Of Shimon Lebowitz > >>Sent: Thursday, December 08, 2005 9:12 AM > >> > >>I was going to write what Gordon said, but he beat me to it. :-) > >> > >>One point to add - > >>I did not use to have real CTCs that connected an LPAR to > *itself* (until I did my big multi-lpar CTC study about a > year ago), but I *did* have 2 VM nodes in different LPARs. > >> > >>By attaching one local end of the CTC to the virtual > machine hosting the second-level VM (in System-B), I > basically created a linear network like this: > >> > >>Node B ------- Node A---------Node X > >>(1st level) (1st level) (2nd level) > >> > >>Node X accessed my 1st level SFS (in Node B) via Node A, with no > >>problems whatsoever. It felt a bit funny sending data on a two-way > >>round trip to Node A, just to get it into the 2nd-level VM, > but it was > >>still as fast as ever. :-) > >> > >>Note that the ACTIVATE ISLINK commands were done in nodes X > and A, nothing at all was done in B. If you already have such > a CTC, the whole setup is about a minute! (One ATTACH to give > a CTC address to the 2nd level host machine, and two ACTIVATE > commands). > >> > >>Shimon > >> > >> > >>Quoting "Wolfe, Gordon W" <[EMAIL PROTECTED]>: > >> > >> > >> > >>>A great way to do this that takes a little setup is to do > the following: > >>> > >>>Set up a real channel-to-channel on your system with two > addresses that talk to each other on the same LPAR. A > virtual channel-to-channel will not work with a first-level system. > >>> > >>>DEDICATE or ATTACH one end of the CTC to your second-level system. > >>> > >>>Start up an ISFC connection between first and second level > over the CTC. This requires only two CP commands, One > command on each system. > >>> > >>>Set up the first level shared file pool server as a > remote filepool. > >>> > >>>Then you can trade files back and forth using this filepool. > >>> > >>>I've been doing this for years and it works great! > >>> > >>> > >>> >
