Also, if the FICON CHPID used for the FCTC goes to a FICON Switch/Director, you 
can create a FCTC using only a single CHPID to connect multiple LPARs on the 
same CEC together. The CHPID will act as both the sender and receiver with the 
FCTC frames going  to the switch and back on the same path.

Mike
Brocade




From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf 
Of David Boyes
Sent: Thursday, July 21, 2011 8:04 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Ficon CTC's between LPAR's in same Box


You can use only the two chpids to connect all the partitions. Use the Shimon 
doc to design all the conections.
With FICON, no need to define Chpids as CNC/CTC, all must be FC. And the 
Control Units and IODEVICE can be FCTC.
If someone will give me the updates, I’ll reformat the paper and include 
another section for FICON CTCs.

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