On Thu, 29 Jan 2009 14:57:25 -0500, Mark Jacobs <[email protected]> wrote:
>Mark Zelden wrote: >> On Thu, 29 Jan 2009 13:12:13 -0500, Mark Jacobs <[email protected]> >> wrote: >> >> >>> We are using 3390-3's for all our local page datasets and one of our >>> systems is needing additional paging space. i know the ROT is to keep >>> all the page datasets the same size but we are running short of mod-3's. >>> >>> Is there any reason (with PAV's) not to put three locals on one 3390-9 >>> and dedicate the volume to one system? >>> >>> -- >>> >> >> If you are at z/OS 1.8 or z/OS 1.9 with APAR OA20749 applied (or >> z/OS 1.10) you can use the entire mod-9 (or larger - up to 64GB) as >> a single page data set. >> >> Mark >> -- - >> >> >I knew that but i was attempting to follow the rule of thumb not to have >different size page datasets on the same system. Does that ROT still matter? > >-- >Mark Jacobs >Time Customer Service >Tampa, FL >---- Since the slots will be allocated fairly evenly, then yes that still applies. But I wanted to make sure you were aware that you could use mod-9s since you wrote you were running short on mod-3s. If you have enough need, I would re-allocate them all to 3 or more mod-9s (another ROT is to have at least 3 locals - and I think there is a health check for that too). Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group - ZFUS G-ITO mailto:[email protected] z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.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
