>From z/OS 1.9 MVS:Planning Global Resource Serialization.

These links can be either a data link in a parallel CTC adapter. In ring
mode, "link" or "CTC link" means either an IBM 3088 data link, a parallel
CTC adapter, or an ESCON(R) channel operating in CTC or basic mode, or FCTC.

On Thu, Mar 6, 2008 at 12:33 PM, R.S. <[EMAIL PROTECTED]>
wrote:

> Mark Pace wrote:
> > As I understand it, that was true for ESCON CTC, I'm using FICON CTC, or
> > device type of FCTC.  It is supposed to be supported.
>
> AFAIK not. You cannot make GRS ring over FCTC links.
> Note: you can make GRS ring over XCF links which can be defined over
> FCTC. However XCF means sysplex (at least basic).
>
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> Radoslaw Skorupka
> Lodz, Poland
>
>
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-- 
Mark Pace
Mainline Information Systems

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