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7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk3
Xtldgme Tmxltr`ka ckb Ckcgp~`~ G`k}z lk ^p~rme v %
Jlq rl ~}ty`ym c G`k}z Nt`r`ncg ^`r}cr`lk
^ymk ^nj}mrv
G`k}z lk ^p~rme v Bmymglxemkr ckb ^mty`nm~ymkHbm+`de+nle
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk4
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Camkbc
@krtlb}nr`lk
Jlq rl jmgx }~ rl jmgx pl}
^p~rme~ elk`rlt`ka
Jlq rl b}ex c G`k}z lk ^p~rme v Tmcg N}~rlemt nc~m~
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
@krtlb}nrltp tmecto~
Xtldgme ckcgp~`~ gllo~ ~rtc`ajr iltqctb lk rjm njctr~ d}r `r e`ajr
jcym rcomk qmmo~ rl amr `r blkm+
C xtldgme blm~ klr kmnm~~ct`gp ~jlq }x lk rjm xgcnm li lt`a`k
Rjm eltm `kiltecr`lk `~ cyc`gcdgm' rjm ~llkmt rjm xtldgme nck dm
~lgymb' dmnc}~m acrjmt`ka ckb ~}de`rr`ka cbb`r`lkcg `kiltecr`lk
cac`k ckb cac`k }~}cggp `krtlb}nm~ bmgcp~+
Rj`~ xtm~mkrcr`lk nck lkgp `krtlb}nm ~lem rllg~ ckb jlq rjm rllg~
nck dm }~mb' nlextmjmk~`ym bln}emkrcr`lk lk rjm`t ncxcd`g`r`m~ `~
rl dm il}kb `k rjm bln}emkrcr`lk li rjm nlttm~xlkb`ka rllg+
Bl klr iltamr rl }xbcrm pl}t ~p~rme~
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk2
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Bm~nt`dm rjm xtldgme
Amr c~ e}nj `kiltecr`lk c~ xl~~`dgm cdl}r rjm n`tn}e~rcknm~6
„ Qjcr `~ rjm xtldgme<
„ Qjmk b`b `r jcxxmk< *bcrm ckb r`em' `exltrckr rl b`a `krl gla~ )
„ Qjmtm b`b `r jcxxmk< Lkm lt eltm ~p~rme~' xtlb}nr`lk lt rm~r mky`tlkemkr<
„ @~ rj`~ c i`t~r r`em lnn}ttmknm<
„ @i lnn}ttmb dmiltm6 jlq itms}mkrgp blm~ `r lnn}t<
„ @~ rjmtm ckp xcrrmtk<
„ Qc~ ckprj`ka njckamb tmnmkrgp<
„ @~ rjm xtldgme tmxtlb}n`dgm<
Qt`rm blqk c~ e}nj `kiltecr`lk c~ xl~~`dgm cdl}r rjm xtldgme#
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk=
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Bm~nt`dm rjm mky`tlkemkr
Ecnj`km ^mr}x
„Ecnj`km rpxm *v309' v38' v0' +++)
„^rltcam ^mtymt *M^^:88' B^:888' lrjmt ymkblt~ elbmg~)
„^rltcam crrcnjemkr *I@NLK' M^NLK' INX' jlq eckp njckkmg~)„Kmrqlto *L^C *rpxm' elbm)' J`xmt~lnomr) +++
@kitc~rt}nr}tm ~mr}x
„Ng`mkr~
„Lrjmt Nlex}rmt ^p~rme~
„Kmrqlto rlxlgla`m~
„B`~o nlki`a}tcr`lk
E`bbgmqctm ~mr}x
„Bcrcdc~m~' qmd ~mtymt~' ^CX' R^E' *`kng}b`ka ymt~`lk `kiltecr`lk)
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk9
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Rtl}dgm ^jllr`ka I`t~r%C`b O`r *3,4)
@k~rcgg xcnocam~ tms}`tmb ilt bmd}aa`ka
„ ~>08%rllg~,~>08%}r`g~
․ bda`kil+~j
„ ~p~~rcr
․ ~cbn,~ct
․ `l~rcr
„ xtlnx~
․ ye~rcr' rlx' x~
„ kmr%rllg~
․ kmr~rcr
„ b}ex rllg~ ntc~j , gntc~j
․ gntc~j *gonb}r`g~) cyc`gcdgm q`rj ^GM^0 ckb ^GM^38
․ ntc~j cyc`gcdgm lk ^GM^33
․ ntc~j `k cgg TJMG b`~rt`d}r`lk~
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk1
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Rtl}dgm ^jllr`ka I`t~r%C`b O`r *4,4)
Nlggmnr bda`kil+~j l}rx}r
„ Xtlcnr`ymgp ̀ k jmcgrjp ~p~rme
„ Qjmk xtldgme~ lnn}t „ rjmk nlexctm q`rj jmcgrjp ~p~rme
Nlggmnr ~p~rme bcrc
„ Cgqcp~ ctnj`ym ~p~gla *,yct,gla,em~~cam~)
„ ^rctr ~cbn *^p~rme Cnr`y`rp Bcrc Nlggmnr`lk) ~mty`nm qjmk cxxtlxt`crm *xgmc~m
`kng}bm b`~o ~rcr`~r`n~)
„ Nlggmnr v,YE ELKQT@RM Bcrc `i t}kk`ka }kbmt v,YE qjmk cxxtlxt`crm
Qjmk ^p~rme jcka~
„ Rcom c b}ex
․ @kng}bm ^p~rme+ecx' Omtkrpxm~ *`i cyc`gcdgm) ckb yeg`k}z i`gm
„ ^mm ‗]~`ka rjm b}ex rllg~― dllo lkjrrx6,,blqkglcb+dl}gbmt+`de+nle,`debg,x}d,~lirqctm,bq,g`k}z>08,bln},g49bbr84+xbi
Mkcdgm mzrmkbmb rtcn`ka ̀ k ,~p~,omtkmg,bmd}a,~>08bdi ilt ~}d~p~rme
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk:
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
bda`kil ^nt`xr *3,4)
bda`kil+~j `~ c ~nt`xr rl nlggmnr yct`l}~ ~p~rme tmgcrmb i`gm~' ilt
bmd}aa`ka x}txl~m~+ @r amkmtcrm~ c rct%ctnj`ym qj`nj nck dm
crrcnjmb rl XET~ , D}av`ggc mkrt`m~
xctr li rjm ~>08%rllg~ xcnocam `k ^]^M ckb tmnmkr Tmb Jcr
b`~rt`d}r`lk~
„ bda`kil+~j amr~ nlkr`k}l}~gp `extlymb dp ~mty`nm ckb bmymglxemkr
Nck dm blqkglcbmb cr rjm bmymglxmtQlto~ qmd~`rm b`tmnrgp
jrrx6,,qqq+`de+nle,bmymglxmtqlto~,g`k}z,g`k}z>08,~>08%rllg~+jreg
@r `~ ~`e`gct rl rjm TmbJcr rllg ~l~tmxltr lt ~}xxltrnlki`a itle Klymgg
tllrHgct~~lk6{; bda`kil+~jNtmcrm rctamr b`tmnrltp ,rex,BDA@KIL%4833%83%3=%44%89%48%r9>2=8=1Njckam rl rctamr b`tmnrltp ,rex,BDA@KIL%4833%83%3=%44%89%48%r9>2=8=1
_+++U
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk0
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
bda`kil ^nt`xr *4,4)
G`k}z @kiltecr`lk6„ ,xtln,_ymt~`lk' nx}' eme`kil' ~gcd`kil' elb}gm~' xctr`r`lk~' bmy`nm~ +++U
„ ^p~rme v ~xmn`i`n bmy`nm bt`ymt `kiltecr`lk6 ,xtln,~>08bdi *TJMG 2 lkgp) lt
,~p~,omtkmg,bmd}a,~>08bdi
„ Omtkmg em~~cam~ ,yct,gla,em~~cam~
„ Tmcb~ nlki`a}tcr`lk i`gm~ `k b`tmnrltp ,mrn, _nnqatl}x+nlki' elb}gm~+nlki' i~rcdU
„ ]~m~ ~mymtcg nleeckb~6 x~' bem~a
„ S}mtp ~mr}x ~nt`xr~
․ g~n~~' g~bc~b' g~smrj' g~vinx' g~rcxm
„ Ckb e}nj eltm
v,YE `kiltecr`lk6
„ Tmgmc~m ckb ~mty`nm Gmymg6 s nxgmymg
„ Kmrqlto ~mr}x6 s _gck' k`n' y~q`rnj' y l~cU
„ ^rltcam ~mr}x6 s _~mr' y bc~b' y inx' s xcy +++U
„ Nlki`a}tcr`lk,emeltp ~mr}x6 s _~rlt' y ~rlt' z~rltm' nx}~+++U
„ Qjmk rjm ~p~rme t}k~ c~ v,YE a}m~r' mk~}tm rjcr rjm a}m~r jc~ rjm cxxtlxt`crm xt`y`gmam
ngc~~ c}rjlt`r`m~ rl `~~}m rjm nleeckb~
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk38
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
^CBN,^CT
Ncxr}tm G`k}z xmtiltecknm bcrc q`rj ~cbn,~ct„ NX] }r`g`vcr`lk
„B`~o @,L lymty`mq ckb lk bmy`nm gmymg
„Kmrqlto @,L ckb mttlt~ lk bmy`nm gmymg
„Emeltp }~cam,^qcxx`ka
„… ckb e}nj eltm„Tmxltr~ ~rcr`~r`n~ bcrc lymt r`em ckb ntmcrm~ cymtcam ycg}m~ ilt
mcnj `rme
^CBN mzcexgm *ilt eltm ~mm eck ~cbn)
„ ^p~rme Cnr`y`rp Bcrc Nlggmnrlt *~cbn) %%; bcrc acrjmtmt
„ ,}~t,g`d92,~c,~cbn _lxr`lk~U _`krmtycg _nl}krUU _d`kctp l}ri`gmU
„ ,}~t,g`d92,~c,~cbn 38 48 ~cbn\l}ri`gm
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk33
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
^CBN,^CT *nlkr!b)
„ ,}~t,g`d92,~c,~cbn %b 38 ~cbn\l}ri`gm„ %b lxr`lk6 ~rcr`~r`n~ ilt b`~o
„ ^jl}gb dm ~rctrmb c~ c ~mty`nm b}t`ka ~p~rme ~rctr
✳ ^CT mzcexgm *ilt eltm ~mm eck ~ct)
„ ^p~rme Cnr`y`rp Tmxltr *~ct) nleeckb %%; tmxltr`ka rllg
„ ~ct %C
„ %C lxr`lk6 tmxltr~ cgg rjm nlggmnrmb ~rcr`~r`n~
„ ~ct %C %i ~cbn\l}ri`gm ;~ct\l}ri`gm
Xgmc~m `kng}bm rjm d`kctp ~cbn bcrc ckb ~ct %C l}rx}r qjmk
~}de`rr`ka ^CBN,^CT `kiltecr`lk rl @DE ~}xxltr
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk34
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
NX] }r`g`vcr`lk
Xmt NX] ycg}m~6 qcrnj l}r ilt~p~rme r`em *omtkmg r`em)`lqc`r r`em *~glq @,L ~}d~p~rme)~rmcg r`em *r`em rcomk dp lrjmt a}m~r~)
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk3>
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
B`~o @,L tcrm~
tmcb,qt`rm lxmtcr`lk~% xmt @,L bmy`nm% rx~6 rtck~cnr`lk~% tb,qt\~mn~6 ~mnrlt~`~ pl}t @,L dcgcknmb<Ecpdm pl} ~jl}gb ~rt`xm pl}t GY~
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk32
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
G`k}z lk ^p~rme v b}ex rllg~
BC^B b}ex rllg
„ Qt`rm~ b}ex b`tmnrgp lk BC^B xctr`r`lk
„ ]~m~ ~>08 ~rckbcglkm b}ex iltecr
„ MNOB ckb IDC BC^B~ ~}xxltrmb
„ ^`kagm ylg}em ckb e}gr`xgm ylg}em *ilt gctam ~p~rme~) b}ex xl~~`dgm
„ Qlto~ `k v,YE ckb `k GXCT
^N^@ b}ex rllg
„ Qt`rm~ b}ex `krl i`gm~p~rme
„ ]~m~ gnob b}ex iltecr
„ Qlto~ `k v,YE ckb `k GXCT
YEB]EX
„ Qt`rm~ b}ex rl ye ~xllg ~xcnm *YE tmcbmt)
„ v,YE ~xmn`i`n b}ex iltecr' b}ex e}~r dm nlkymtrmb
„ Lkgp cyc`gcdgm qjmk t}kk`ka }kbmt v,YE
Rcxm b}ex rllg
„ Qt`rm~ b}ex b`tmnrgp lk M^NLK,I@NLK Rcxm bmy`nm
„ ]~m~ ~>08 ~rckbcglkm b}ex iltecr
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk3=
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
BC^B b}ex rllg „ amkmtcg }~cam
3+ Iltecr ckb xctr`r`lk b}ex bmy`nm
4+ Xtmxctm b}ex bmy`nm `k G`k}z
>+ ^rlx cgg NX]~
2+ ^rltm ^rcr}~=+ @XG b}ex bmy`nm
9+ Nlxp b}ex rl G`k}z
tllrHgct~~lk6{;¨¨v`xg¨-b¨,bmy,bc~b7z3;
tllrHgct~~lk6{;¨¨vamrb}ex¨,bmy,7z3;¨;¨b}ex\i`gm
tllrHgct~~lk6{;¨¨bc~bier¨-i¨,bmy,bc~b7z;¨-d¨2809
tllrHgct~~lk6{;¨¨ibc~b¨,bmy,bc~b7z;
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk39
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
BC^B b}ex }kbmt v,YE
Xtmxctm b}ex bmy`nm }kbmt G`k}z' `i xl~~`dgm lk 92D`r mky`tlkemkr6
Cirmt G`k}z ntc~j `~~}m rjm~m nleeckb~ lk >418 nlk~lgm6
Qc`r }kr`g b}ex `~ ~cymb lk bmy`nm6
Lkgp b`~cdgmb qc`r X^Q lk lgbmt B`~rt`d}r`lk~
Crrcnj b}ex bmy`nm rl c g`k}z ~p~rme q`rj b}ex rllg~ `k~rcggmb
^rltm b}ex rl g`k}z i`gm ~p~rme itle b}ex bmy`nm *m+a+ vamrb}ex)
tllrHgct~~lk6{;¨¨v`xg¨-b¨,bmy,bc~b7z3;
.nx¨nx}¨cgg¨~rlx.nx¨nx}¨8¨~rltm¨~rcr}~
.nx¨`¨7bc~b\bmykl;
886¨v@XG¨y3+9+8¨b}ex¨rllg¨*92¨d`r)886¨B}ex`ka¨92¨d`r¨L^886¨888888:1¨,¨88888188¨ED¨8+++886¨B}ex¨~}nnm~~i}g
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk31
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
BC^B b}ex lk GXCT *3,4)
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk3:
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
BC^B b}ex lk GXCT *4,4)
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk30
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
E}gr` ylg}em b}ex
v`xg nck klq b}ex rl e}gr`xgm BC^B~+ @r `~ klq xl~~`dgm rl b}ex ~p~rme`ecam~' qj`nj ctm gctamt rjck c ~`kagm BC^B+
„Pl} nck ~xmn`ip }x rl >4 MNOB BC^B xctr`r`lk~ ilt c e}gr`%ylg}em b}ex
Ldrc`k em~~cam~' qj`nj jcym klr dmmk qt`rrmk rl rjm ~p~gla b}m rl c
ntc~j
Qjcr ctm b}ex~ allb ilt<
„I}gg ~kcx~jlr li ~p~rme ~rcrm
rcomk cr ckp xl`kr `k r`em*m+a+ cirmt c ~p~rme jc~
ntc~jmb' li lt c t}kk`ka
~p~rme)
„Nck dm }~mb rl ckcgp~m
~p~rme ~rcrm dmplkb
em~~cam~ qt`rrmk rl rjm
~p~gla
„@krmtkcg bcrc ~rt}nr}tm~ klr
mzxltrmb rl ckpqjmtm
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk48
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
E}gr` ylg}em b}ex *nlkr!b)
Jlq rl xtmxctm c ~mr li MNOB BC^B bmy`nm~ ilt c e}gr`%ylg}em
b}ex< *92%d`r ~p~rme~ lkgp)„Qm }~m rql BC^B~ `k rj`~ mzcexgm6
„Ntmcrm rjm xctr`r`lk~ q`rj ibc~b+ Rjm ~}e li rjm xctr`r`lk ~`vm~ e}~r dm~}ii`n`mkrgp gctam *rjm emeltp ~`vm / 38 ED)6
„Ntmcrm c i`gm ncggmb ~cexgm\b}ex\nlki nlkrc`k`ka rjm bmy`nm klbm~
*m+a+ ,bmy,bc~bn3) li rjm rql xctr`r`lk~' ~mxctcrmb dp lkm lt eltm g`kmimmb njctcnrmt~
„Xtmxctm rjm ylg}em~ }~`ka rjm v`xg nleeckb+
tllrHgct~~lk6{;¨¨bc~bier¨-i¨,bmy,bc~bn¨-d¨2809¨¨¨¨¨tllrHgct~~lk6{;¨¨bc~bier¨-i¨,bmy,bc~bb¨-d¨2809
tllrHgct~~lk6{;¨¨ibc~b¨,bmy,bc~bn¨¨¨¨¨tllrHgct~~lk6{;¨¨ibc~b¨,bmy,bc~bb
tllrHgct~~lk6{;¨¨v`xg¨-E¨~cexgm\b}ex\nlki¨¨¨¨¨¨¨¨_+++U
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk43
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
E}gr` ylg}em b}ex *nlkr!b)
Rl ldrc`k c b}ex q`rj rjm e}gr`%ylg}em BC^B b}ex rllg' xmtilterjm ilgglq`ka ~rmx~6
„^rlx cgg NX]~' ^rltm ~rcr}~ lk rjm @XG NX]+
„@XG rjm b}ex rllg }~`ka lkm li rjm xtmxctmb ylg}em~' m`rjmt 2133 lt
2134+
„Cirmt rjm b}ex rllg `~ @XGmb' pl}!gg ~mm c em~~cam~ rjcr `kb`ncrm~ rjmxtlatm~~ li rjm b}ex+ Rjmk pl} nck @XG G`k}z cac`k
Nlxp`ka c e}gr`%ylg}em b}ex rl c i`gm
„]~m vamrb}ex q`rjl}r ckp lxr`lk rl nlxp rjm b}ex xctr~ rl c i`gm6
.nx¨nx}¨cgg¨~rlx
.nx¨nx}¨8¨~rltm¨~rcr}~
.nx¨`xg¨2133
tllrHgct~~lk6{;¨¨vamrb}ex¨,bmy,bc~bn¨;¨ey\b}ex\i`gm
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk44
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
E}gr` ylg}em b}ex *nlkr!b)
B`~xgcp `kiltecr`lk li rjm `kylgymb ylg}em~6
B`~xgcp `kiltecr`lk cdl}r rjm b}ex `r~mgi6
tllrHgct~~lk6{;¨¨vamrb}ex¨-b¨,bmy,bc~bn¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨!,bmy,bc~bn!¨`~¨xctr¨li¨Ymt~`lk¨3¨e}gr`-ylg}em¨b}ex'qj`nj¨`~¨~xtmcb¨cglka¨rjm¨ilgglq`ka¨BC^B¨ylg}em~6¨¨¨¨¨¨¨¨¨8+8+2133¨*lkg`km'¨ycg`b)¨8+8+2134¨*lkg`km'¨ycg`b)
_+++U
tllrHgct~~lk6{;¨¨vamrb}ex¨-`¨,bmy,bc~bn¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨B}ex¨bmy`nm6¨,bmy,bc~bn;;;¨¨B}ex¨jmcbmt¨`kiltecr`lk¨¨777
B}ex¨ntmcrmb¨lk6¨It`¨C}a¨¨1¨3=634623¨4880¨¨_+++UE}gr`-ylg}em¨b}ex6¨B`~o¨3¨*li¨4)Tmcb`ka¨b}ex¨nlkrmkr~¨itle¨8+8+2133+++++++++++++++++++++++++++++++++B}ex¨mkbmb¨lk6¨¨¨It`¨C}a¨¨1¨3=6346=4¨4880B}ex¨Mkb¨Ectomt¨il}kb6¨rj`~¨b}ex¨`~¨ycg`b+
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk4>
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
^N^@ b}ex rllg „ amkmtcg }~cam
3+ Ntmcrm xctr`r`lk q`rj XND@L^ b`~o%gcpl}r *ib`~o)
4+ Iltecr xctr`r`lk q`rj mzr4 lt mzr> i`gm~p~rme
>+ @k~rcgg b}ex rllg6
„el}kr ckb xtmxctm b`~o 6
„Lxr`lkcg6 ,mrn,v`xg+nlki6
2+ ^rlx cgg NX]~=+ ^rltm ^rcr}~
9+ @XG b}ex bmy`nm
B}ex rllg ntmcrm~ b}ex~ b`tmnrgp `k i`gm~p~rme
^N^@ b}ex ~}xxltrmb ilt GXCT~ ckb c~ li v,YE =+2
tllrHgct~~lk6{;¨ ̈el}kr¨,bmy,~bc3¨,b}ex~
tllrHgct~~lk6{;¨¨v`xg¨-B¨,bmy,~bc3¨-r¨b}ex~
b}exrli~5,bmy,~bc3rctamr5,b}ex~
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk42
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
^N^@ b}ex }kbmt v,YE
^N^@ b}ex itle v,YE `~ ~}xxltrmb c~ li v,YE =+2
@~~}m ^N^@ b}ex
Rl cnnm~~ rjm b}ex' el}kr rjm b}ex xctr`r`lk
.nx¨nx}¨cgg¨~rlx
.nx¨nx}¨8¨~rltm¨~rcr}~
.nx¨~mr¨b}exbmy¨xltrkcem¨2134819>¨88nm0>c1¨g}k¨21348888¨88888888¨dllrxtla¨8.nx¨`xg¨2d20¨b}ex
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk4=
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
^N^@ b}ex lk GXCT
^mgmnr NXN `ecam ilt GXCT rl b}ex
Alrl Glcb xckmg
@~~}m ^N^@ b}ex
„INX bmy`nm
„QQXK„G]K
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk49
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
YEB]EX
Rjm lkgp emrjlb rl b}ex K^^m~ lt BN^^m~ }kbmt v,YE Qlto~ klkb`~t}xr`ym
Ntmcrm b}ex6
Tmnm`ym b}ex6
„^rltm rjm b}ex itle rjm tmcbmt `krl NE^ b}ex i`gm6
„Rtck~imt rjm b}ex rl g`k}z itle NE^ m+a+ IRX
„KMQ6 ye}t bmy`nm bt`ymt6
G`k}z rllg rl nlkymtr yeb}ex rl gonb iltecr6
Xtldgme6 B}ex xtlnm~~ tmgcr`ymgp ~glq
.nx¨yeb}ex¨rl¨ne~a}m~r
tllrHgct~~lk6{;¨¨yenlkymtr¨yeb}ex¨g`k}z+b}ex
.nx¨b}exglcb
tllrHgct~~lk6{;¨¨ye}t¨tmn¨7~xllg`b;¨yeb}ex
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk41
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Jlq rl ldrc`k `kiltecr`lk cdl}r c b}ex
B`~xgcp `kiltecr`lk li rjm `kylgymb ylg}em6
B`~xgcp `kiltecr`lk cdl}r rjm b}ex `r~mgi6
tllrHgct~~lk6{;¨¨vamrb}ex¨-b¨,bmy,bc~bd¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨!,bmy,bc~bd!¨`~¨Ymt~`lk¨8¨b}ex¨bmy`nm+¨B}ex¨~`vm¨g`e`r6¨klkm
tllrHgct~~lk6{;¨¨vamrb}ex¨-`¨,bmy,bc~bd3¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨B}ex¨bmy`nm6¨,bmy,bc~bd3
B}ex¨ntmcrmb¨lk6¨Rj}¨Lnr¨¨:¨3=622620¨4880
Eca`n¨k}edmt6 ¨8zc:30831>93:i4>ibYmt~`lk¨k}edmt6 ¨>Jmcbmt¨~`vm6 ¨2809
Xcam¨~`vm6 ¨2809B}exmb¨emeltp6 ¨381>123:42B}exmb¨xcam~6 ¨494322Tmcg¨emeltp6 ¨381>123:42nx}¨`b6 ¨8zii88834>4801:888^p~rme¨Ctnj6 ¨~>08z¨*M^CEM)D}`gb¨Ctnj6 ¨~>08z¨*M^CEM);;;¨¨Mkb¨li¨B}ex¨jmcbmt¨¨777
B}ex¨mkbmb¨lk6 ¨Rj}¨Lnr¨¨:¨3=62=683¨4880B}ex¨Mkb¨Ectomt¨il}kb6¨rj`~¨b}ex¨`~¨ycg`b+
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk4:
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Jlq rl ldrc`k `kiltecr`lk cdl}r c b}ex *nlkr!b)
B`~xgcp `kiltecr`lk cdl}r rjm b}ex `r~mgi *b}ex jmcbmt) ckb njmno `i
rjm b}ex ̀ ~ ycg`b' }~m gntc~j q`rj lxr`lk~
‐%`‐ ckb ‐%b‐+
tllrHgct~~lk6{;¨¨gntc~j¨-`¨-b¨,bmy,bc~bd3¨̈ ¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨B}ex¨Rpxm6¨~>08¨~rckbcglkm¨b}ex
¨¨¨¨¨¨¨¨¨¨Ecnj`km6¨~>08z¨*M^CEM)
¨¨¨¨¨¨¨¨¨¨¨NX]¨@B6¨8zii88834>4801:888
¨¨¨¨¨Emeltp¨^rctr6¨8z8¨¨¨¨¨¨¨Emeltp¨Mkb6¨8z28888888¨¨¨¨¨¨Emeltp¨^`vm6¨381>123:42
¨¨¨¨¨R`em¨li¨b}ex6¨Rj}¨Lnr¨¨:¨3=622620¨4880¨¨K}edmt¨li¨xcam~6¨494322
¨Omtkmg¨xcam¨~`vm6¨2809¨¨¨Ymt~`lk¨k}edmt6¨>¨¨¨¨¨Eca`n¨k}edmt6¨8zc:30831>93:i4>ib¨B}ex¨jmcbmt¨~`vm6¨2809¨¨¨¨¨¨¨B}ex¨gmymg6¨8z2¨¨¨¨¨¨¨D}`gb¨ctnj6¨~>08z¨*M^CEM)¨R`em¨li¨b}ex¨mkb6¨Rj}¨Lnr¨¨:¨3=62=683¨4880
Mkb¨Ectomt¨il}kb#¨B}ex¨`~¨ycg`b#
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk40
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
C}rlecr`n b}ex lk xck`n *^GM^ 38,33' TJMG =,9)6 b}exnlki
Rjm b}exnlki rllg nlki`a}tm~ c b}ex bmy`nm rjcr `~ }~mb ilt c}rlecr`nb}ex `k nc~m li c omtkmg xck`n+
„Rjm nleeckb nck dm `k~rcggmb c~ ~mty`nm ~nt`xr }kbmt ,mrn,`k`r+b,b}exnlki
lt nck dm ncggmb eck}cggp+
„^rctr ~mty`nm6 . ~mty`nm b}exnlki ~rctr
„@r tmcb~ rjm nlki`a}tcr`lk i`gm ,mrn,~p~nlki`a,b}exnlki +„Mzcexgm nlki`a}tcr`lk ilt NNQ b}ex bmy`nm *BC^B) ckb tm`xg cirmt b}ex6
LK\XCK@N5b}ex\tm`xg¨¨B]EX\RPXM5nnq
BMY@NM58+8+2133
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>8
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
C}rlecr`n b}ex lk xck`n *^GM^ 38,33' TJMG =)6 b}exnlki
*nlkr!b)
„Mzcexgm nlki`a}tcr`lk ilt INX b}ex bmy`nm *^N^@ b`~o)6
„Mzcexgm nlki`a}tcr`lk ilt tm%@XG q`rjl}r rco`ka c b}ex' `i c omtkmg
xck`n lnn}t~6
„Mzcexgm li mzmn}r`ka c NX nleeckb' ckb tmdllr`ka itle bmy`nm 2133`i c omtkmg xck`n lnn}t~6
LK\XCK@N5tm`xg
LK\XCK@N5yeneb¨¨¨¨YENEB\35$E^A¨7yea}m~r;¨^rctr`ka¨YEB]EX$¨YENEB\45$YEB]EX$
YENEB\>5$@XG¨2133$
LK\XCK@N5b}ex¨B]EX\RPXM5inxBMY@NM58+8+2132QQXK58z=88=819>8>882134¨G]K58z2821283>88888888
DLLRXTLA58DT\GDC58
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>3
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Amr b}ex ckb ~mkb `r rl ~mty`nm ltack`vcr`lk
BC^B,Rcxm6„^rltm b}ex rl G`k}z i`gm ~p~rme itle b}ex bmy`nm6
„Cgrmtkcr`ym6 gntc~j *Nlextm~~`lk xl~~`dgm)
^N^@6
„Amr b}ex itle i`gm~p~rme
Cbb`r`lkcg i`gm~ kmmbmb ilt b}ex ckcgp~`~6
„ ^]^M *gntc~j rllg)6 ,dllr,^p~rme+ecx%zzz ckb ,dllr,Omtkrpxm~%zzz
„Tmbjcr ^]^M *ntc~j rllg)6 yeg`k}z i`gm *omtkmg q`rj bmd}a `kil) nlkrc`kmb `kbmd}a omtkmg txe~6
․ TmbJcr6 omtkmg%bmd}a`kil%zzz+txe ckb omtkmg%bmd}a`kil%nleelk%zzz+txe
․ ^]^M6 omtkmg%bmic}gr%bmd}a`kil%zzz+txe
tllrHgct~~lk6{;¨¨vamrb}ex¨,bmy,7bmy`nm¨klbm;¨;¨b}ex\i`gm
tllrHgct~~lk6{;¨¨gntc~j¨-b¨,bmy,bc~bzz¨-~¨7b`t;
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>4
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Jckbg`ka gctam b}ex~
Nlextm~~ rjm b}ex ckb ~xg`r `r `krl xctr~ li 3 AD
^mymtcg nlextm~~mb i`gm~ ~}nj c~ zcc' zcd' zcn' ++++ ctm ntmcrmb
Ntmcrm eb= ~}e~ li rjm nlextm~~mb i`gm~
]xglcb cgg xctr~ rlamrjmt q`rj rjm eb= `kiltecr`lk
Ymt`i`ncr`lk li rjm xctr~ ilt c tmnm`ymt
Emtam rjm xctr~ ckb }knlextm~~ rjm b}ex
tllrHgct~~lk6{;¨¨vamrb}ex¨,bmy,bc~bn3¨w¨av`x¨w¨~xg`r¨-d¨3A
tllrHgct~~lk6{;¨ ̈eb=~}e¨zc&¨;¨b}ex+eb=¨¨¨¨¨
tllrHgct~~lk6{;¨ ̈eb=~}e¨-n¨b}ex+eb=¨
zcc6¨LO_++++U¨¨
tllrHgct~~lk6{;¨¨ncr¨zc&¨w¨a}kv`x¨-n¨;¨b}ex
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>>
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Rtck~imtt`ka b}ex~
Rtck~imtt`ka ~`kagm ylg}em b}ex~ q`rj ~~j
Rtck~imtt`ka e}gr`%ylg}em b}ex~ q`rj ~~j
Rtck~imtt`ka c b}ex q`rj irx
„ M~rcdg`~j ck irx ~m~~`lk q`rj rjm rctamr jl~r' gla`k ckb ~mr rjm rtck~imt elbm rld`kctp
„ ^mkb rjm b}ex rl rjm jl~r
tllrHgct~~lk6{;¨¨vamrb}ex¨,bmy,bc~bn3¨w¨~~j¨}~mtHjl~r¨$ncr¨;¨b}ex\i`gm\lk\rctamr\jl~r$¨
tllrHgct~~lk6{;¨¨vamrb}ex¨,bmy,bc~bn¨w¨~~j¨}~mtHjl~r¨$ncr¨;¨ e}gr`\ylg}em\b}ex\i`gm\lk\rctamr\jl~r$
tllrHgct~~lk6{;¨¨irx;¨x}r¨w$vamrb}ex¨,bmy,bc~bn3$¨7b}ex\i`gm\lk\rctamr\jl~r;
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>2
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
B}ex rllg ~}eectp
^mm ‗]~`ka rjm b}ex rllg~― dllo lk
jrrx6,,qqq+`de+nle,bmymglxmtqlto~,g`k}z,g`k}z>08,bln}emkrcr`lk\bmy+jreg
Rllg ^rckb cglkm rllg~ YEB]EXBC^B Rcxm ^N^@
Mky`tlkemkrYE)GXCT YE)GXCT YE
Xtmxctcr`lk%%%
Ntmcr`lk
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%%%
Y`mq`ka
v`xg %b ,bmy,7b}ex\bmy;
eob`t
,b}ex~,epb}ex~
v`xg %B ,bmy,~bc3 +++
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`xg 7b}ex\bmy\N]];yeb}ex
B}ex
emb`}e
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IDC
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lk c ^N^@ b`~o
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i`gm~p~rme
vamrb}ex ,bmy,7b}ex\bmy;
; b}ex\i`gm
B}exglcb
irx +++yenlkymtr +++
gntc~j lt ntc~j
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>=
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
N}~rlemt Nc~m~
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>9
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Cyc`gcd`g`rp6 A}m~r ~xlkrckml}~gp tmdllr~
Nlki`a}tcr`lk6„ Ltcngm TCN ~mtymt lt lrjmt JC
~lg}r`lk }kbmt v,YE
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„ Lnnc~`lkcggp a}m~r~ ~xlkrckml}~gp
tmdllr q`rjl}r ckp klr`i`ncr`lk ltnlk~lgm em~~cam
Rllg~ }~mb ilt xtldgme
bmrmte`kcr`lk6
„ nx `k~rt}nr`lk rtcnm li *tm)@XG nlbm
„ Ntc~j b}ex rcomk cirmt rtcnm qc~j`r
G`k}z 3
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G`k}z 4
JC Ng}~rmt
Ltcngm TCN^mtymt
Ltcngm TCN^mtymt
nlee}k`ncr`lk
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>1
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Cyc`gcd`g`rp6 A}m~r ~xlkrckml}~gp tmdllr~ % ^rmx~ rl i`kb tllr
nc}~m
S}m~r`lk6 Qjl tmdllrmb rjm ~p~rme<
^rmx 3
„I`kb l}r cbbtm~~ li *tm)`xg nlbm `k rjm ~p~rme ecx
„]~m rj`~ cbbtm~~ rl ~mr `k~rt}nr`lk rtcnmnb¨,dllratmx¨ecnj`km\tm~rctr¨^p~rme+ecx-4+9+39+98-8+=2+=-bmic}gr¨888888888838n>92¨R¨ecnj`km\tm~rctr88888888883313n:¨r¨bl\ecnj`km\tm~rctr888888888898>488¨B¨\ecnj`km\tm~rctr
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>:
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Cyc`gcd`g`rp6 A}m~r ~xlkrckml}~gp tmdllr~ % ^rmx~ rl i`kb tllr
nc}~m *nlkr!b)
^rmx 4
„^mr NX `k~rt}nr`lk rtcnm lk rjm tmdllr cbbtm~~
„^p~rme `~ jcgrmb cr rjcr cbbtm~~' qjmk c tmdllr `~ rt`aamtmb
NX¨NX]¨CGG¨RT¨@K¨T¨38N>92+2JNXRT@3841@¨Ck¨cnr`ym¨rtcnm¨~mr¨jc~¨r}tkmb¨T]K¨lii
NX¨S¨RT
KCEM¨¨@K@R@CG¨¨¨¨¨*CNR@YM)¨¨3¨¨¨¨¨@K^RT¨¨¨X^QC¨¨8838N>92-8838N>91¨¨¨¨¨¨¨¨RMTE¨¨¨¨KLXT@KR¨¨KLT]K¨^@E¨¨¨¨¨¨¨¨^O@X¨88888¨¨XC^^¨88888¨^RLX¨88888¨¨^RMX¨88888¨¨¨¨¨¨¨¨NEB¨¨KLKM
¨-;¨888888888838N>92!¨¨^REI¨¨¨¨MDNII81:8842¨;;¨88888888>C==1B2:¨¨¨¨¨NN¨4
` ` g g `
7/30/2019 Problem Reporting and Analysis Linux on System z -How to survive a Linux Critical Situation
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4833 @DE Nltxltcr`lk>0
@DE G`ym Y`tr}cg Ngc~~ „ G`k}z lk ^p~rme v
Cyc`gcd`g`rp6 A}m~r ~xlkrckml}~gp tmdllr~ % ^rmx~ rl i`kb tllr
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4833 @DE Nltxltcr`lk28
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4833 @DE Nltxltcr`lk24
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4833 @DE Nltxltcr`lk2>
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4833 @DE Nltxltcr`lk22
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4833 @DE Nltxltcr`lk2=
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4833 @DE Nltxltcr`lk29
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4833 @DE Nltxltcr`lk21
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4833 @DE Nltxltcr`lk2:
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4833 @DE Nltxltcr`lk20
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4833 @DE Nltxltcr`lk=3
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