> -----Original Message----- > From: IBM Mainframe Discussion List > [mailto:[EMAIL PROTECTED] On Behalf Of Carl Edwards > Sent: Tuesday, January 15, 2008 10:40 PM > To: [email protected] > Subject: IDCAMS Repro vs ICETOOL > > > We have a series of jobs that use IDCAMS to move data > from one platform to another. There are several > hundred files stacked on tape, which was created by > REPRO. These tapes are then read by the Z/os target > system and loaded to the appropriate files. While the > jobs runs, they seems to run forever. We have noticed > that the job goes into DW for 3-5 seconds at the end > of each REPRO process, allocation/deallocation I > assume. If indeed this is the case then using another > program such as ICETOOL should not matter, the results > should be the same. Is this assumption valid?
You're likely waiting on a tape mount. That time will be the same regardless of the utility used. If you are running multiple steps in a single job, then I strongly suggest that you use the VOL=(,RETAIN) parameter. This should keep the tape mounted between steps. Also, try using DISP=(OLD,PASS). As I vaguely recall, this keeps the tape positioned on the drive instead of being rewound. This means that if you process the datasets in the order that they are on the tape, you should not be doing a bunch of rewinds and forward space files to find the next dateset on the tape. I only vaguely remember this. Or maybe it was the VOL=(,RETAIN) that did that. I'd do both, just to be sure (belt & suspenders man). -- 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
