Thank You, That was exactly the DATA AREA I was looking for. Thanks
Ms. Terri E. Shaffer [email protected] z/OS Engineer J.P.Morgan Chase & Co. GTI ECS Enterprise Software Engineering (ESE) or Extreme Software Engineering Office: # 614-213-3467 Cell: # 412-519-2592 -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Jim Mulder Sent: Thursday, October 10, 2013 1:42 AM To: [email protected] Subject: Re: IEFUSI and dataspaces > I have modified our IEFUSI in our shop to increase the number of > dataspaces allowed - sub word 1: > > Word 7 The address of a four-word area containing IBM-supplied default > values for data spaces, hiperspaces, and data sharing (through the > IARVSERV macro). These defaults apply only for programs running > in problem state with user keys. The number of sharing pages, > address spaces, data spaces and hiperspaces can be limited only > for jobs running in user keys and in problem state. Jobs running in > system key (0-7) or in supervisor state may use unlimited sharing > pages, data spaces and hiperspaces. The words are defined as > follows: > Sub-word Contents > 1 Default data space and hiperspace size. It is > specified in blocks of 4K bytes and must be in the > range of 1-X'00080000'. The IBM-supplied default is > 956K (X'000000EF' x 4K). <<<<< Ive increased this max > 2 Maximum combined size for all user key data > spaces and hiperspaces that are created by > application programs owned within an address > space (in megabytes). The IBM-supplied default > and the maximum that can be specified is (2**24)-1 > megabytes. > 3 Maximum number of user-key data spaces and > hiperspaces created by application programs that > can exist at any given time for an address space. > The IBM-supplied default and the maximum number > that can be specified is (2**32)-1. > 4 Maximum number of source and target shared > pages that can be used at one time by problem > state callers using the IARVSERV SHARE services. > The IBM-supplied default is 32 (which allows at > most 16 pages to be shared with 16 other pages; > the number of pages include source plus target). > The maximum you can specify is (2**31)-1. > > My question is there a control block I can look at to verify? I've > verified things like REGION, MEMLIMIT.. etc in LDA and RAX data areas. > Ive used Marks RXSTOR64 to verify things also, but not for > dataspaces/hiperspaces. Is there such a thing? >From the RAB mapping in z/OS MVS Data Areas Volume 5 : 224 (E0) UNSIGNED 4 RABDBLDF DEFAULT VALUE FOR THE NUMBER OF BLOCKS ON DSPSERV CREATE FOR THIS ADDRESS SPACE. 228 (E4) UNSIGNED 4 RABDMXEX MAXIMUM NUMBER OF USER KEY DATA SPACES THAT MAY EXIST AT ONE TIME FOR THIS ADDRESS SPACE 232 (E8) UNSIGNED 4 RABDMXSZ MAXIMUM NUMBER OF MEGABYTES OF USER KEY DATA SPACE ALLOWED FOR THIS ADDRESS SPACE The RAB is not a programming interface, and no DSECT is provided for it. Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN This communication is for informational purposes only. It is not intended as an offer or solicitation for the purchase or sale of any financial instrument or as an official confirmation of any transaction. All market prices, data and other information are not warranted as to completeness or accuracy and are subject to change without notice. Any comments or statements made herein do not necessarily reflect those of JPMorgan Chase & Co., its subsidiaries and affiliates. This transmission may contain information that is proprietary, privileged, confidential and/or exempt from disclosure under applicable law. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or use of the information contained herein (including any reliance thereon) is STRICTLY PROHIBITED. Although this transmission and any attachments are believed to be free of any virus or other defect that might affect any computer system into which it is received and opened, it is the responsibility of the recipient to ensure that it is virus free and no responsibility is accepted by JPMorgan Chase & Co., its subsidiaries and affiliates, as applicable, for any loss or damage arising in any way from its use. If you received this transmission in error, please immediately contact the sender and destroy the material in its entirety, whether in electronic or hard copy format. Thank you. Please refer to http://www.jpmorgan.com/pages/disclosures for disclosures relating to European legal entities. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
