Steps to clear the oraInventory related to the local and remote nodes after disabling the RAC

After disabling RAC setup, We need to clear the oraInventory related to the local and remote nodes.

Local node = test01

Remote node = test02

Here is the snippet from oraInventory which has references to local and remote nodes.

[oracle@test01 ContentsXML]$ opatch lsinventory

Oracle Interim Patch Installer version 12.1.0.1.10

Copyright (c) 2016, Oracle Corporation.  All rights reserved.

Oracle Home       : /u01/app/oracle/product/12.1.0.2/gtmotm

Central Inventory : /u01/app/oraInventory

   from           : /u01/app/oracle/product/12.1.0.2/gtmotm/oraInst.loc

OPatch version    : 12.1.0.1.10

OUI version       : 12.1.0.2.0

Log file location : /u01/app/oracle/product/12.1.0.2/gtmotm/cfgtoollogs/opatch/opatch2016-03-23_15-41-26PM_1.log

Lsinventory Output file location : /u01/app/oracle/product/12.1.0.2/gtmotm/cfgtoollogs/opatch/lsinv/lsinventory2016-03-23_15-41-26PM.txt

--------------------------------------------------------------------------------

Local Machine Information::

Hostname: test01.test.com

ARU platform id: 226

ARU platform description:: Linux x86-64

Installed Top-level Products (1):

Oracle Database 12c                                                  12.1.0.2.0

There are 1 products installed in this Oracle Home.

Interim patches (2) :

Patch  22139226     : applied on Wed Mar 09 13:57:32 EST 2016

Unique Patch ID:  19729684

Patch description:  "Database PSU 12.1.0.2.160119, Oracle JavaVM Component (Jan2016)"

   Created on 4 Jan 2016, 01:41:46 hrs PST8PDT

   Bugs fixed:

     19699946, 19176885, 19623450, 22139226, 19909862, 21811517, 19223010

     21068507, 19895326, 19877336, 22118835, 22118851, 21566993, 19153980

     20408829, 21047766, 19231857, 19895362, 19855285, 20415564, 21555660

     19245191, 21047803, 20408866, 21566944

Rac system comprising of multiple nodes

  Local node = test01

  Remote node = test02

--------------------------------------------------------------------------------

OPatch succeeded.

Steps to clear the  oraInventory related to the local and remote nodes after disabling the RAC: 

[oracle@test01 gtmotm]$ cd $ORACLE_HOME/oui/bin

[oracle@test01 bin]$ ls

addLangs.sh    detachHome.sh  filesList.properties  lsnodes   runConfig.sh  runInstaller.sh

attachHome.sh  filesList.bat  filesList.sh          resource  runInstaller  runSSHSetup.sh

Detach the Oracle home:

[oracle@test01 bin]$ runInstaller -silent -detachHome -noClusterEnabled "ORACLE_HOME=/u01/app/oracle/product/12.1.0.2/gtmotm" "INVENTORY_LOCATION=/u01/app/oraInventory"

Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 24281 MB    Passed

The inventory pointer is located at /etc/oraInst.loc

'DetachHome' was successful.

Attach the Oracle Home:

[oracle@test01 bin]$ runInstaller -silent -ignoreSysPrereqs -attachHome ORACLE_HOME="/u01/app/oracle/product/12.1.0.2/gtmotm" ORACLE_HOME_NAME="gtmotm_OHOME"

Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 24281 MB    Passed

The inventory pointer is located at /etc/oraInst.loc

'AttachHome' was successful.

[oracle@test01 bin]$ which opatch

/u01/app/oracle/product/12.1.0.2/gtmotm/OPatch/opatch

Verify the whether the reference for the remote nodes are cleared in the oraInventory

[oracle@test01 bin]$ opatch lsinventory

Oracle Interim Patch Installer version 12.1.0.1.10

Copyright (c) 2016, Oracle Corporation.  All rights reserved.

Oracle Home       : /u01/app/oracle/product/12.1.0.2/gtmotm

Central Inventory : /u01/app/oraInventory

   from           : /u01/app/oracle/product/12.1.0.2/gtmotm/oraInst.loc

OPatch version    : 12.1.0.1.10

OUI version       : 12.1.0.2.0

Log file location : /u01/app/oracle/product/12.1.0.2/gtmotm/cfgtoollogs/opatch/opatch2016-03-23_16-07-32PM_1.log

Lsinventory Output file location : /u01/app/oracle/product/12.1.0.2/gtmotm/cfgtoollogs/opatch/lsinv/lsinventory2016-03-23_16-07-32PM.txt

--------------------------------------------------------------------------------

Local Machine Information::

Hostname: test01.test.com

ARU platform id: 226

ARU platform description:: Linux x86-64

Installed Top-level Products (1):

Oracle Database 12c                                                  12.1.0.2.0

There are 1 products installed in this Oracle Home.

Interim patches (2) :

Patch  22139226     : applied on Wed Mar 09 13:57:32 EST 2016

Unique Patch ID:  19729684

Patch description:  "Database PSU 12.1.0.2.160119, Oracle JavaVM Component (Jan2016)"

   Created on 4 Jan 2016, 01:41:46 hrs PST8PDT

   Bugs fixed:

     19699946, 19176885, 19623450, 22139226, 19909862, 21811517, 19223010

     21068507, 19895326, 19877336, 22118835, 22118851, 21566993, 19153980

     20408829, 21047766, 19231857, 19895362, 19855285, 20415564, 21555660

     19245191, 21047803, 20408866, 21566944

Patch  21949015     : applied on Wed Mar 09 12:33:15 EST 2016

Unique Patch ID:  19576071

Patch description:  "DATABASE BUNDLE PATCH: 12.1.0.2.160119 (21949015)"

   Created on 18 Jan 2016, 03:16:24 hrs PST8PDT

Sub-patch  21694919; "DATABASE BUNDLE PATCH: 12.1.0.2.13 (21694919)"

Sub-patch  21527488; "DATABASE BUNDLE PATCH: 12.1.0.2.12 (21527488)"

Sub-patch  21359749; "DATABASE BUNDLE PATCH: 12.1.0.2.11 (21359749)"

Sub-patch  21125181; "DATABASE BUNDLE PATCH: 12.1.0.2.10 (21125181)"

Sub-patch  20950328; "DATABASE BUNDLE PATCH: 12.1.0.2.9 (20950328)"

Sub-patch  20788771; "DATABASE BUNDLE PATCH: 12.1.0.2.8 (20788771)"

Sub-patch  20594149; "DATABASE BUNDLE PATCH: 12.1.0.2.7 (20594149)"

Sub-patch  20415006; "DATABASE BUNDLE PATCH: 12.1.0.2.6 (20415006)"

Sub-patch  20243804; "DATABASE BUNDLE PATCH: 12.1.0.2.5 (20243804)"

   Bugs fixed:

     17551261, 19215966, 18689530, 19215968, 18257176, 19410056, 19791273

     19441649, 19243521, 19238590, 21281532, 19410553, 19662976, 19134173

     19512155, 14254610, 20322560, 17551063, 20994184, 16010876, 18463035

     19183813, 18829196, 19001390, 21459225, 19358317, 19376952, 20917841

     20593729, 20227126, 20724902, 19906611, 18940497, 18948177, 19359219

     19035573, 19176326, 18942489, 20413820, 20011897, 19189240, 20243804

     22077553, 19542737, 21087813, 19477176, 19982584, 20904530, 19875836

     19074147, 19347744, 18411216, 21330334, 18966843, 19264279, 19212061

     19183834, 20250735, 19364018, 19468991, 18859658, 20824172, 16938780

     19391024, 18418934, 19402853, 19310488, 20618595, 19265346, 20001738

     21123913, 19146778, 18369237, 21787056, 21365452, 20984916, 19068610

     19348649, 16777441, 20048359, 20011646, 19769625, 20952633, 20249656

     19192508, 19381346, 18877780, 21283023, 18684802, 19632217, 19001359

     20658124, 21093564, 17532734, 19970163, 19563433, 19899243, 19811763

     19186845, 21188532, 18791688, 20890311, 21442094, 21151241, 18728991

     19403858, 20988771, 20063894, 18953292, 20176045, 18963099, 19031341

     20235511, 20936905, 21218243, 20801783, 18938517, 19243313, 21517261

     19271894, 21153266, 19409212, 20675854, 19890034, 20657441, 20024405

     18996066, 20466322, 18740837, 22304421, 20018770, 22194927, 19021645

     19159710, 19065556, 21651772, 18968507, 18996056, 19524384, 19200481

     20033247, 18907688, 20328205, 19693124, 20313052, 19446007, 18952989

     19029674, 20704530, 19043177, 19928926, 18999568, 20161701, 18760601

     19542097, 19931709, 18520414, 20394750, 19006817, 20732272, 20536378

     22153180, 20828104, 20024112, 19188927, 20074391, 19995675, 20565133

     19191274, 14643995, 20794951, 19824871, 20832474, 20355900, 20397490

     19666651, 19686260, 18900917, 19582642, 19174430, 19184226, 20144871

     19954575, 19220183, 19536415, 19353144, 19175732, 20426193, 19195409

     18764866, 19335438, 20106567, 19144692, 21427131, 18856999, 19881042

     21793604, 19899833, 20565112, 17890099, 19124336, 19910052, 21300341

     20848335, 19482919, 20637701, 20543011, 19052488, 20032123, 18497527

     21812537, 18743542, 18603592, 20347562, 20063230, 18764841, 18735746

     20049681, 20595686, 19687159, 20313024, 19945499, 20424899, 19886165

     19302393, 21476308, 20754928, 20354411, 20390564, 19240456, 19354794

     20603181, 20881450, 21827522, 19289499, 18952766, 21273804, 20082651

     20226038, 20591915, 21559748, 22062026, 19647503, 20475845, 17274537

     21180173, 20897180, 19787571, 19143193, 19440586, 18895170, 19440386

     20708701, 19483288, 20716291, 20328279, 19240264, 19393542, 20624914

     21847223, 19075256, 21174395, 19065222, 19793397, 19280225, 19440520

     19248799, 21756699, 20165291, 19504946, 20232621, 20476175, 20070112

     18900245, 20711718, 19139189, 18911956, 19240996, 19238815, 20611795

     19664340, 19523462, 19773811, 19188683, 19250261, 19843202, 18594569

     19817284, 19288324, 19212370, 20003240, 20009569, 18917800, 19989904

     19248279, 19327067, 19315691, 19547013, 18834993, 18816732, 20279368

     19768226, 20023092, 19541796, 19588097, 18966425, 20201112, 20617709

     19532017, 20300454, 19192487, 19818513, 19879445, 19049932, 20040448

     18748005, 20361671, 20181155, 21214994, 19495405, 19571082, 21813529

     16556115, 19682726, 21976960, 20294666, 18120963, 8899370, 19195895

     22348206, 19824028, 20857041, 19460920, 19295348, 19520602, 19174521

     21875360, 19326908, 19440105, 20093776, 19647567, 19019270, 19230722

     19147636, 20074466, 20192960, 19627012, 19066316, 19546825, 20847534

     14283239, 20001362, 19701015, 18610915, 20697178, 18674024, 20494924

     20653340, 18306996, 19591408, 20013559, 19151370, 19915271, 19524158

     17285555, 20284155, 18856106, 20950386, 20903906, 19680898, 21533640

     19886365, 19878169, 20146809, 21080143, 19163723, 19927393, 18868195

     19607219, 20707790, 19632912, 20668053, 18971927, 18897633, 19034201

     21060755, 21136435, 20985069, 19028800, 19649808, 19077215, 20027746

     21421886, 19262199, 19884571, 19540171, 22376809, 19048007, 18647293

     19689979, 19566592, 14705949, 20133026, 19609438, 20005124, 20496254

     19902195, 20233181, 19168167, 20318889, 20287585, 19012119, 19480309

     19485593, 13683743, 19060015, 19131386, 21632821, 19051205, 21164840

     19512341, 19841800, 19818721, 20800890, 19140924, 19587324, 18802876

     19578350, 19637186, 19537845, 19854717, 19509565, 18674047, 20808265

     19054077, 20557750, 19988852, 19708632, 21091431, 19289642, 20869721

     20978173, 20177858, 20139836, 19024388, 19624452, 20233159, 18952331

     20071054, 21373473, 18944562, 20421900, 20752907, 18899662, 19978542

     19878106, 19448499, 19329654, 17972478, 21517440, 21516425, 20672955

     19076343, 20451844, 19571055, 19990037, 20703629, 19811709, 18909599

     19526750, 18642040, 18250893, 19230595, 17670355, 19858928, 19576559

     19146597, 19783286, 20441797, 20704450, 19705781, 20777159, 19614585

     20020936, 19157754, 18663279, 20320834, 18868646, 21221860, 19494323

     18787718, 19230581, 20673810, 15894842, 18893947, 19907278, 19168395

     19350952, 18417036, 16923858, 18378632, 20028247, 18115378, 20919320

     20474192, 19161450, 19347458, 19192570, 19385656, 20920911, 16817656

     20808220, 19598441, 19617921, 19606174, 21293453, 19843631, 18436647

     19597583, 18889867, 19723273, 19232702, 19798240, 21099555, 19141838

     20577490, 20842388, 19795047, 18727933, 19865345, 20117253, 19989661

     20962057, 18813860, 19540182, 19784751, 20951038, 20545234, 20936447

     20739811, 19187708, 17994602, 20082778, 20387265, 20563314, 18739883

     18971325, 19149990, 19513298, 20534663, 18886413, 20010996, 19728268

     19555029, 19703301, 20717091, 20216232, 20949664, 18665091, 18202441

     20828433, 20005796, 19706965, 19068970, 18797519, 19153897, 18511269

     20333204, 19173409, 20825533, 19015671, 19025195, 19638998, 19670108

     19649152, 19855835, 20815650, 20087383, 18964978, 20534497, 19512276

     20969164, 20707932, 20099675, 19819141, 19176223, 19152115, 19014915

     20134339, 20144042, 19341709, 20868862, 19468612, 21322887, 20425790

     19170047, 19468890, 19333670, 20124446, 19883092, 19548688, 19548064

     19529953, 20075921, 19347898, 18510194, 19658708, 20276452, 19051985

     19563300, 22066671, 19971335, 17835294, 19791377, 19547774, 19176241

     20746251, 20746044, 19185876, 19192600, 20281121, 19433200, 20159216

     19577410, 21117640, 19527817, 22092979, 19516448, 21116398, 20366825

     19566974, 19653712, 19277787, 19341239, 19490948, 19931367, 20832516

     19330795, 19309466, 19377346, 19081128, 19394032, 20026982, 20011515

     19509982, 19631051, 20368850, 19594959, 19054378, 20392464, 18973548

     20938019, 19303936, 20900013, 19696041, 18964939, 20241083, 19430401

     19403942, 19879746, 20496341, 19684504, 19585708, 19024808, 19076106

     20977794, 20130826, 18799993, 19987300, 18701619, 19262984, 16087033

     19544707, 20228093, 20195148, 18897147, 18758877, 19583624, 19488514

     19148478, 19147016, 20679868, 20446883, 20125550, 18847357, 16870214

     19835133, 20005313, 19871910, 20466628, 19317899, 20072221, 20019581

     19162308, 19730508, 19327391, 20250147, 20381311, 20265853, 18421248

     20001466, 18508040, 19566012, 19065677, 19547370, 19271943, 20148087

     19799847, 21960504, 21225209, 19264172, 19352437, 18022774, 18967382

     18942923, 19029552, 19582781, 19900800, 19906564, 18678808, 20310880

     20468223, 19136936, 18424767, 19973780, 18938454, 18648423, 21419192

     18962266, 19869255, 20471920, 20256086, 21620471, 21279842, 19074086

     18127250, 18990693, 19131607, 19914604, 21554789, 21372897, 20101006

     21241052, 18867241, 21668627, 19304354, 20794034, 19883038, 20106456

     18681056, 20952966, 19896336, 20296619, 18618122, 20440930, 18456643

     19699191, 19294529, 18687101, 19698567, 18441401, 20266282, 21373076

     19803231, 19174942, 20126138, 19627721, 20130196, 19680455, 19383247

     20841419, 19645496, 20781373, 19032777, 19058490, 19399918, 20540694

     19434529, 19018447, 18051556, 21136799, 19317646, 19212166, 19166028

     19022470, 18112769, 19284031, 20173897, 19536132, 19791702, 19649591

     21372880, 18687126, 20105469, 19880190, 19871282, 19345973, 18952631

     16887946, 20401975, 19537328, 14165431, 17655240, 19189762, 19805359

     19155797, 19933147, 19196832, 20747533, 20061399, 18663314, 19189525

     20334691, 20245173, 18845653, 20801390, 18798250, 18988834, 19647120

     8889083, 20245930, 20052269, 21345404, 18921743, 14043712, 18954112

     18799063, 19331728, 19571367, 20096277, 20925795, 18753782, 19233039

     19018206, 20509482, 15996428, 20588502, 18679653, 18849537, 18907741

     19183343, 19859472, 19571350, 19189317, 19982551, 19644859, 19274987

     19390567, 20340510, 19279273, 20586677, 20669434, 16863642, 19175750

     18778801, 19130152, 19619732, 20927568, 20348653, 18607546, 19680796

     19277336, 20766694, 19676905, 20165574, 20096843, 19475862, 20020274

     20558005, 20217875, 20123899, 19450314, 19318409, 19222052, 18881811

     20246939, 19188385, 19250184, 19307662, 20261923, 19371175, 20322037

     19154375, 19336395, 16293223, 20261926, 20819901, 19891196, 19382851

     19676012, 20081206, 20217801, 18840932, 19851608, 20003739, 19354542

     21665897, 19929706, 19148107, 18900107, 19143550, 19982314, 18300729

     20609727, 18775971, 21315800, 19138800, 19882506, 20177577, 19175543

     20321129, 18533573, 19518079, 21350832, 20617820, 20539160, 18908550

     19272047, 19645930, 19145675, 20122715, 20656178, 20721341, 19364502

     20017509, 18967466, 19363645, 19597439, 17734040, 19230607, 20070689

     20088905, 19044962, 19478966, 19162085, 19889230, 17158137, 19475148

     18818841, 20194605, 19513406, 21239922, 17249267, 20378086, 19563715

     21260431, 20723042, 19301392, 20877664, 21059919, 20185943, 20451063

     20879889, 21903230, 19298213, 19723336, 19146626, 19120604, 19604659

     21285458, 19150533, 21032832, 19308965, 18288842, 19566293, 19959229

     18803726, 18783224, 18934048, 20241212, 21526048, 19624139, 19197175

     19180770, 19191037, 20128644, 19952975, 19590877, 19004100, 20664416

     20340595, 19013183, 21187090, 19576659, 19688599, 19912337, 19438874

     19067244, 19953052, 19200977, 19682278, 18622436, 20331945, 21568648

     20893843, 19461428, 22030856, 19263008, 19825394, 16356176, 20051868

     18863094, 19190401, 18749211, 19168442, 19810774, 19624156, 21218121

     19727038, 21550777, 19056729, 19539945, 19573061, 19899544, 20069788

     19191531, 21342045, 19996677, 19881439, 21391017, 17365043, 19817386

     19468347, 13846337, 16359751, 20027864, 19769480, 19439759, 18810904

     19272708, 20230090, 20402832, 18494306, 19873610, 17284345, 19518539

     20064203, 21306811, 19698040, 20808192, 19291380, 20225417, 19578230

     19447234, 19561643, 19487147, 19313563, 20831538, 18472224, 19016730

     19130972, 19693090, 19362731, 16619249, 18796543, 18354830, 20494044

     20217416, 21188584, 19989009, 20688221, 19932939, 19969872, 21131289

     19270287, 19136799, 19990543, 19012044, 20214168, 20209481, 18885870

     21765742, 13640676, 18705806, 13498243, 20202880, 19501299, 19131239

     20899461, 21387128, 19146474, 18673090, 19023822, 20181016, 19178851

     19124589, 19578247, 19050649, 20399973, 19181525, 19585773

--------------------------------------------------------------------------------

OPatch succeeded.

Happy Learning!