Thank Jim about the PSW Restart - “Restart SADMP”
> On 10-Sep-2019, at 8:36 AM, Jim Mulder <d10j...@us.ibm.com> wrote: > > The first thing to do with a "stuck" SADMP is to display the PSW, using > the "Display and Alter" function on the HMC to display the PSW of the > only operating logical processor in the partition. If the SADMP > was initiated manually, this will be logical processor 0, If it was > initiated by AutoIPL, it can be a different logical processor. > Usually, the PSW will contain a SADMP wait state code which is > documented in the MVS System Codes manual. > > To restart SADMP, you use the "PSW Restart" function on the HMC > the restart the only operating logical processor. > > If you have to re-IPL SADMP, you will lose the 4MB of z/OS > read-only nucleus starting at virtual address 01000000, since that is > where SADMP's code and work areas are located. Usually, the > read-only nucleus is not needed for diagnosing the dump of z/OS > (except in the rare case where the problem was an overlay of the > read-only nucleus). So re-IPLing SADMP usually provides a > reasonably useful dump of z/OS. > > Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. > Poughkeepsie NY > > > "IBM Mainframe Discussion List" <IBM-MAIN@LISTSERV.UA.EDU> wrote on > 09/09/2019 07:07:35 PM: > >> From: "Jesse 1 Robinson" <jesse1.robin...@sce.com> >> To: IBM-MAIN@LISTSERV.UA.EDU >> Date: 09/09/2019 10:55 PM >> Subject: Re: How to restart SADMP >> Sent by: "IBM Mainframe Discussion List" <IBM-MAIN@LISTSERV.UA.EDU> >> >> I don't recall having SAD stall in any kind of 'restartable' state. >> In general, if you restart (reIPL) SAD, you'll likely get a dump of >> SAD itself because that's the 'OS' in control. The resulting dump >> may help you figure out what's wrong with SAD but will probably not >> help much with the original problem that inspired SAD in the first > place. >> >> I suggest configuring SAD to use only disk, not tape. Over the years >> most problems I've encountered have involved tape. Also do not >> prompt the operator to enter *anything*; that's the other common >> cause of failure. A 'properly' configured SAD should run from start >> to finish without any manual intervention. >> >> -----Original Message----- >> From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On >> Behalf Of NandhaKumar S >> Sent: Monday, September 9, 2019 11:46 AM >> To: IBM-MAIN@LISTSERV.UA.EDU >> Subject: (External):How to restart SADMP >> >> Hi Team, >> >> How to restart SADMP if it’s stuck after Loaded SAD profile? IBM >> suggested the Procedure-B to restart the SADMP But I don’t want to >> Re-IPL the SADMP. >> >> Let me know if someone have faced this issue. > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
