Also note that SDSF for z/OS 2.3 added the following columns on the "AS" command display populated by the data in the LDAX :
Priv PrivUsed Priv% EPriv EPrivUsed EPriv% Rob Scott Rocket Software -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Jim Mulder Sent: Friday, June 8, 2018 4:57 PM To: [email protected] Subject: Re: Userarea and Systemarea crossing. In z/OS 2.2 and above, each address space has a new control block in 64-bit common storage which can be used to monitor these boundaries - IHALDAX, pointed to by ASSBLDAX. LDAX_LDACRGTP DS A Current high address of PRIVATE AREA Region LDAX_LDAERGTP DS A Current high address of EXTENDED PRIVATE AREA Region LDAX_CurHighBot DS A < 16M Cur bot Auth area LDAX_CurEHighBot DS A > 16M Cur bot EAuth area Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY IBM Mainframe Discussion List <[email protected]> wrote on 06/08/2018 08:04:30 AM: > From: "Vernooij, Kees (ITOPT1) - KLM" <[email protected]> > To: [email protected] > Date: 06/08/2018 11:50 AM > Subject: Re: Userarea and Systemarea crossing. > Sent by: IBM Mainframe Discussion List <[email protected]> > > After some Googling, I found the answer in an MQ Q&A site: > > "For the LSQA getmain failure, it is possible that the Extended User > Region Top for the CHIN job has hit the bottom of Extended LSQA > because Virtual Storage Manager (VSM) private storage use is high, for > example Subpool 0 Key 8 (SP0 KEY8) and Subpool 131 Key 8 (SP131 KEY8)." > > So the answer is: yes, it applies to private and extended private. > > Kees. > > From: Vernooij, Kees (ITOPT1) - KLM > Sent: 08 June, 2018 11:24 > To: '[email protected]' <[email protected]> > Subject: Userarea and Systemarea crossing. > > Hello, > > When getmaining storage in my address space the user- and system- area > cannot cross: the highest user area block (getmained from the > bottom) cannot pass the lowest system area block (getmained from the > top) and vica versa. > Is this a rule for both below and above 16 MB? I know it is for <16MB, > but I cannot find if this is also true for >16MB. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ================================ Rocket Software, Inc. and subsidiaries ■ 77 Fourth Avenue, Waltham MA 02451 ■ Main Office Toll Free Number: +1 855.577.4323 Contact Customer Support: https://my.rocketsoftware.com/RocketCommunity/RCEmailSupport Unsubscribe from Marketing Messages/Manage Your Subscription Preferences - http://www.rocketsoftware.com/manage-your-email-preferences Privacy Policy - http://www.rocketsoftware.com/company/legal/privacy-policy ================================ This communication and any attachments may contain confidential information of Rocket Software, Inc. All unauthorized use, disclosure or distribution is prohibited. If you are not the intended recipient, please notify Rocket Software immediately and destroy all copies of this communication. Thank you. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
