On Fri, 20 Apr 2012 17:19:25 -0400 Micheal Butz <michealb...@optonline.net> wrote:
:>Was wondering If someone could clear up some things for me :>A S0C4 reason code 4 means the storage key and the PSW key don't match :>typically trying to access storage key 0 when the PSW key is key 8 Usually update, but on occasion fetch. :>Two questions arise from this :>. Does it matter what the PSW key at the time of the STORAGE OBTAIN :>was e.g. :>1. Obtaining storage from subpool 0 where the storage key is 8 and PSW :>key at the time for what ever reason was in KEY 0. What does "Obtaining storage from subpool 0 where the storage key is 8" mean? TCB key? :> Would I have to set the PSW Key to 0 if I were trying to access that :>storage later on say while running in some other task because when I did the :>STORAGE OBTAIN the PSW KEY 8 - 11 was 0 SP=0 when Supervisor/key=0 is special in that it is converted to subpool 252 which is in key 0. :>2. The same situation would be then true if access CSA storage subpool :>241 with Key=8 ( Iknow a no no) but the PSW KEY was 0. Later on when trying :>to access/modify the storage would I have to set PSW key 8 - 11 have to be 0 :>. Of what significance does is the key the TCB (TCBPKF) since it :>seems only PSW KEY 8 - 11 and the key the page of the storage is seems to be :>relevant Look at the "Selecting the Right Subpool for Your Virtual Storage Request" section in "MVS Programming: Authorized Assembler Services Guide" -- Binyamin Dissen <bdis...@dissensoftware.com> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel Should you use the mailblocks package and expect a response from me, you should preauthorize the dissensoftware.com domain. I very rarely bother responding to challenge/response systems, especially those from irresponsible companies. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN