On 5/4/2012 1:55 PM, Mark Zelden wrote:
Is there a way to not have it set up? I do remember an MVS system long ago in a galaxy far far away where there was a JES2 exit that changed the internal text from your JCL to have half track blocking for DASD. But BLKSIZE=0 has worked since... well, for so long I don't even remember. MVS/XA? Or was it DFSMS V1 with MVS/ESA or MVS/XA 2.2.3?
I thought it was MVS/ESA 3.1.2. Was that the first release to support SMS? -- Edward E Jaffe Phoenix Software International, Inc 831 Parkview Drive North El Segundo, CA 90245 310-338-0400 x318 [email protected] http://www.phoenixsoftware.com/ ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN

