Crispin, Required, no. Preferred, Yes. It's always better to spread the IO over as many IO-Bays and FICON cards as possible.
Ken Mazer This Cranky Systems Programmer says “Let's be careful out there” Proper, Prior, Planning, Prevents, Piss, Poor, Performance "Education is what remains after one has forgotten what one has learned in school." -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Crispin Hugo Sent: Monday, October 30, 2017 6:00 AM To: [email protected] Subject: Re: more than 8 paths to DS8000 Next question !. The DS8886 has two units, base and expansion. Do they both require channel cables to mainframe Crispin Hugo Systems Specialist Macro 4 Limited d: +44 1293 872121 | m: +44 7753951308 | t: +44 1293 872000 | www.macro4.com Registered office: The Orangery, Turners Hill Road, Worth, Crawley, West Sussex, RH10 4SS Registered in England no: 00927588 Please consider the environment and only print this email if you really need to. 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Macro 4 Limited, Tel: +44 1293 872000 Fax: +44 1293 872001. -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Allan Staller Sent: 24 October 2017 20:04 To: [email protected] Subject: Re: more than 8 paths to DS8000 Define 2 lcu's with 8 paths each. -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Crispin Hugo Sent: Tuesday, October 24, 2017 1:22 PM To: [email protected] Subject: more than 8 paths to DS8000 I have 16 FICON channels available to a DS8886. As I can't have more than 8 paths defined on a CHPID. What is best way to round this. Crispin Hugo Systems Specialist Macro 4 Limited d: +44 1293 872121 | m: +44 7753951308 | t: +44 1293 872000 | www.macro4.com Registered office: The Orangery, Turners Hill Road, Worth, Crawley, West Sussex, RH10 4SS Registered in England no: 00927588 Please consider the environment and only print this email if you really need to. 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