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TND42352: Mark storage based HIX and HDEs free when OPEN EXTERNAL processed

PTF TND42352
Title Mark storage based HIX and HDEs free when OPEN EXTERNAL processed
Product TND423 Date Opened 2/28/2008 
Status Closed Date Closed 2/28/2008  Fixed 4.2.4
Group Level2  Related NRS6314  Bucket?
PTF
NAME DIRECTOR TNDDISP 
VER 1A26 4780,9A6A                     B   DISP7090 
REP 1A26 4780,CD1A                     B   *PATCH* 
NAME DIRECTOR TNDPATCH 
VER 0D1A CD1A,CD1C,CD1E 
VER 0D20 CD20,CD22,CD24,CD26,CD28,CD2A,CD2C,CD2E 
VER 0D30 CD30,CD32,CD34,CD36,CD38,CD3A,CD3C,CD3E 
VER 0D40 CD40,CD42,CD44,CD46,CD48,CD4A,CD4C,CD4E 
VER 0D50 CD50,CD52,CD54,CD56,CD58,CD5A,CD5C,CD5E 
VER 0D60 CD60,CD62,CD64,CD66,CD68,CD6A 
VER 2056 00                            VERIFY PTF IS NOT ON 
REP 0D1A 4130,C028                     LA  R3,PDAHIX-4 
REP 0D1E BF3F,3004                     ICM R3,B'1111',HIXNEXT 
REP 0D22 4780,CD2E                     BZ  *CHECK HDE* 
REP 0D26 9601,3003                     OI  HIXFLAG,HIXFREE 
REP 0D2A 47F0,CD1E 
REP 0D2E 4130,C024                     LA  R3,PDAHDE-4 
REP 0D32 BF3F,3004                     ICM R2,B'1111',HDENEXT 
REP 0D36 4780,9A6A                     BZ  DISP7090 
REP 0D3A 9601,3003                     OI  HDEFLAG,HDEFREE 
REP 0D3E BFFF,3018                     ICM R15,B'1111',HDEDATA 
REP 0D42 4780,CD32                     BZ  *NEXT HDE* 
REP 0D46 4110,D058                     LA R1,WAEPARMS 
REP 0D4A 4100,0010                     LA  R0,16 
REP 0D4E 5001,0000                     ST  R0,0(R1) 
REP 0D52 50F1,0004                     ST  R15,4(R1) 
REP 0D56 4100,0008                     LA  R0,8 
REP 0D5A 5001,0008                     ST  R0,8(R1) 
REP 0D5E 92FF,100C                     MVI 12(R1),PDAE255 
REP 0D62 58F0,C3B0                     L   R15,PDASTOR 
REP 0D66 05EF                          BALR R14,R15 
REP 0D68 47F0,CD32                     B    *NEXT HDE* 
REP 2056 DF                            THIS PTF IS NOW ON 

Commentary

Thursday, February 28, 2008 at 12:01:40 pm   
This PTF causes the OPEN EXTERNAL command to run the HIX and HDE chains marking anything existing in storage to be freed. The idea being that subsequent references to the HIX/HDE elements should cause a re-access to the External File to retrieve it.

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PTF TND42352
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