"Vernooy, C.P. - SPLXM" <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED] t>... > Hello group,
> > Manual z/OS V1R8.0 MVS Setting Up a Sysplex still states that the > Primary Sysplex couple dataset and the Primary CFRM couple dataset > should reside on different volumes. I suppose this was valid 10 years > ago, but is it still with current modern devices with PAV, large caches > etc. etc.? > > We haven't implemented the Message based protocol for the CFRM datasets, > since it has (had) a PE against it. Still I never noticed high activity > against the CFRM dataset, so I wondere if it is safe to put all Sysplex > CDS's on one volume. > > GDPS advices to quadruple the Sysplex CDSs: each dataset an alternate in > the other site and each dataset a spare in each site. So we need either > 4 or 8 volumes. > > Any recommendations and practices from the real world are appreciated. > > Thanks, > > Kees. > Thanks to those who answered, also offline. There seems to be no solid evidence for either approach, so I will stay on the safe side and assume that the recommandation in Setting up a Sysplex is still valid. Kees. ********************************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ********************************************************************** ---------------------------------------------------------------------- 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
