John, A WAG is that it has to do with Alternate track. You will probably have to do this on every volume following migration from a 3990 CU emulation that does not have the volumes flagged as RAMAC, or this was not done in a prior migration.
It's a must... Ron > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > Behalf Of John P Donnelly > Sent: Tuesday, July 31, 2007 7:11 AM > To: IBM-MAIN@BAMA.UA.EDU > Subject: [IBM-MAIN] EMC DMX3-1500 and REFORMAT VTOC > > Good morning, > > > > .we are expanding our storage by about 1.5TB and moving to a DMX3. > > .as part of this process EMC is stating that we need to do a > REFORMAT VTOC across our farm. > > .have not been able to pin the whys and hows down. > > .might someone have the whys and hows? > > > > Thankyou > > > > John Donnelly > > z/OS Systems Services > > National Semiconductor > > Corporation > > 2900 Semiconductor Drive > > Santa Clara, CA 95051 > > PH: 408-721-5640 > > Email: [EMAIL PROTECTED] > > > > > > > > ---------------------------------------------------------------------- > 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 ---------------------------------------------------------------------- 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