Mark:

Insofar as your first question is concerned, the last I knew, the VM:*
products all expressly prohibit using distributed IUCV (i.e., they
specify LOCAL=YES on the IUCV CONNECT).

Romney

On Thu, 13 Jun 2002 10:53:15 -0500 Mark Wheeler said:
>I have customers interested in clustering virtual Linux systems for high
>availability. I have VM systems in two different buildings, connected via
>ESCON CTCs. The idea is to set up pairs of Linux guests, one in each
>building, with the absolute minimum hardware in between. One approach would
>be to assign each pair of Linux guests its own CTC address pair, but I
>could quickly run out of CTC addresses. Since the two systems already have
>an ISFC connection, it would seem that Distributed IUCV would be an
>interesting option. I'm hesitant about just setting "DISTRIBUTE IUCV YES"
>in SYSTEM CONFIG because of concern about messing up all the traditional
>IUCV applications (VM:Secure, VM:Backup, etc), so "DISTRIBUTE IUCV
>TOLERATE" looks like a safer choice.
>1) Is it safe to assume that traditional IUCV applications will not be
>affected if I turn on TOLERATE?
>2) Does the Linux IUCV driver support Distributed IUCV connections in
>general?
>3) Does the Linux IUCV driver support Distributed IUCV connections when
>running  in TOLERATE mode, which I understand requires that the application
>specify the system that it wants to talk to? If yes, how would that be
>coded?
>
>TIA!
>
>Mark Wheeler
>3M Company ( celebrating our 100th anniversary today!)

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