Sorry about the incomplete data,it is for a pds and what I am looking at space=(xxx(pri,sec))thanks Larry
On Wed, Apr 8, 2009 at 10:27 AM, Spencer, Mike <[email protected]> wrote: > Larry, > Depends on the OS and SMS versus non-SMS. Extended PS is the same as VSAM > (123 extents/vol) and max of 59 vols, for total of 7,257. Prior to z/OS 1.7, > the VSAM extent limit was 255 total. There is a dataclass option to enforce > this 255 limit if users share the VSAM dataset with older releases of z/OS. > The VSAM limit of 255 extents is still enforced for any non-SMS-managed data > set. The system reserves the last four extents for extending a component > when the system cannot allocate the last extent in one piece. Non-SMS > datasets still play by the old rules. > > Michael Spencer > BMC Software > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of larry macioce > Sent: Wednesday, April 08, 2009 10:04 AM > To: [email protected] > Subject: Secondary space allocation > > I was doing some reading,which is scary in it's own right, and came across > something that I need to verify.I always thought when you gave a secondary > space allocation that it went to 16 extents(if needed), but I am reading > that it now goes to 123. > Is this true?? We are a non sms shop. > One more question, does the system check for all secondary allocations or > will it work 1 by 1 as needed? > thanks > Larry > > ---------------------------------------------------------------------- > 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 > ---------------------------------------------------------------------- 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
