> -----Original Message----- > From: IBM Mainframe Discussion List > [mailto:[EMAIL PROTECTED] On Behalf Of Eric Bielefeld > Sent: Friday, November 30, 2007 12:12 PM > To: [email protected] > Subject: Re: Transactional VSAM (DFSMStvs) question - performance > > > You are probably right - having a sysplex is a better way to > go, but running > two Lpars on the same box with most of the dasd offline to > the opposite lpar > is a pretty safe way to go, if done right. At P&H Mining, we > ran that way > for years, and never had a problem. Granted, the TEST Lpar > was mostly a > sysprog lpar, but it was used occasionally for testing by the > programmers. > We often had to back up their files from the PROD Lpar and > restore them to > the TEST lpar so they could have valid test data. As long as > you don't > share VSAM or database data, you are ok. You have to only > update PDS files > on one lpar if you share them. > > Eric Bielefeld
One of my configurations was a "two monoplexes with an "iron curtain" between them". When the others realized that I meant absolutely NO sharing of ANYTHING, they were aghast as the thought. -- John McKown Senior Systems Programmer HealthMarkets Keeping the Promise of Affordable Coverage Administrative Services Group Information Technology The information contained in this e-mail message may be privileged and/or confidential. It is for intended addressee(s) only. If you are not the intended recipient, you are hereby notified that any disclosure, reproduction, distribution or other use of this communication is strictly prohibited and could, in certain circumstances, be a criminal offense. If you have received this e-mail in error, please notify the sender by reply and delete this message without copying or disclosing it. ---------------------------------------------------------------------- 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
