Heck, I just use a CF partition running on my shared CP. As long as you are only doing GRS, and maybe HSM CRQm etc, there is no problem. My two CF partitions combined average about 0.2% of my CPUs. It may not be as fast as dedicated CPs, but it is still faster than GRS ring.
>>> "Gibney, Dave" <[email protected]> 08/06/09 5:23 PM >>> When ICF's are free, maybe we'll consider it :) I share resvols and other volumes with software load and other read only type operational data between some or all of our 4 LPARs with no appreciable impact. Dave Gibney Information Technology Services Washington State University > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Chase, John > Sent: Thursday, August 06, 2009 12:32 PM > To: [email protected] > Subject: Re: DASD: to share or not to share > > > -----Original Message----- > > From: IBM Mainframe Discussion List On Behalf Of McKown, John > > > > [ snip ] > > > > A basic SYSPLEX (what we are running) does not require a Coupling > Facility (CF). With a CF, you have a > > Parallel Sysplex, which has some better facilities. If you only have > an single CEC (box), then you > > don't need a Sysplex Timer, either. And, if you're on a single box, > you could get an CFL speciality > > engine and run a single CF in a separate LPAR. In this case, there is > no cabling required - it used > > "pseudo cabling" via the PR/SM hipervisor. Much like hipersockets. > > You must be wishing really hard for an IFL. :-) > > The "Integrated Coupling Facility" engine is an "ICF" (more overload > for > ICF). > > -jc- > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html CONFIDENTIALITY/EMAIL NOTICE: The material in this transmission contains confidential and privileged information intended only for the addressee. If you are not the intended recipient, please be advised that you have received this material in error and that any forwarding, copying, printing, distribution, use or disclosure of the material is strictly prohibited. If you have received this material in error, please (i) do not read it, (ii) reply to the sender that you received the message in error, and (iii) erase or destroy the material. Emails are not secure and can be intercepted, amended, lost or destroyed, or contain viruses. You are deemed to have accepted these risks if you communicate with us by email. Thank you. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
