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dohdatabase committed Dec 10, 2024
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10 changes: 6 additions & 4 deletions patch-me-if-you-can/02-simple-patching/simple-patching.md
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Expand Up @@ -369,9 +369,11 @@ Patching a single instance Oracle Database require downtime.
8. Spend some time examining the other log files and subdirectories.
9. Optionally, you can perform lab 3, *Familiarize with patching*.
9. Switch back to the *yellow* terminal 🟨. It takes around 20 minutes to patch the database. If AutoUpgrade is still running, you either wait or you can perform lab 3, *Familiarize with patching*.
9. Still in the *yellow* terminal 🟨. It takes around 20 minutes to patch the database. AutoUpgrade prints a message to the console and exists when patching completes.
## Task 3: Patch database, continued
1. Use the *yellow* terminal 🟨. When AutoUpgrade completes, it prints a message to the console and exists.
* AutoUpgrade informs that there is a guaranteed restore point which you must remove when it is no longer needed. Don't remove the restore point yet.
* Optionally, you can instruct AutoUpgrade to remove the restore point automatically using `drop_grp_after_upgrade=yes` in the config file.
Expand All @@ -398,15 +400,15 @@ Patching a single instance Oracle Database require downtime.
```
</details>
10. Update the profile script. Since the database now runs out of a new Oracle home, you must update the profile script. This command replaces the `ORACLE_HOME` variable in the profile script.
2. Update the profile script. Since the database now runs out of a new Oracle home, you must update the profile script. This command replaces the `ORACLE_HOME` variable in the profile script.
```
<copy>
sed -i 's/^ORACLE_HOME=.*/ORACLE_HOME=\/u01\/app\/oracle\/product\/19_25/' /usr/local/bin/ftex
</copy>
```
11. That's it. You just patched your Oracle Database including:
3. That's it. You just patched your Oracle Database including:
* Building a brand-new Oracle home enabling out-of-place patching
* Updating OPatch
* Installing Release Update and bundle patches
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2 changes: 1 addition & 1 deletion patch-me-if-you-can/06-patching-container-database/patching-container-database.md
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Expand Up @@ -94,7 +94,7 @@ You will patch *CDB19* to 19.25 and use an existing Oracle home.
</copy>
```
7. Move the SPFile and password file back to the new Oracle home.
7. Move the SPFile and password file to the new Oracle home.
```
<copy>
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164 changes: 136 additions & 28 deletions patch-me-if-you-can/07-advanced-patching/advanced-patching.md
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Expand Up @@ -316,7 +316,7 @@ In the Oracle home you find other software components, that is patched together
set pagesize 100
col directory_name format a25
col directory_path format a50
select directory_name , directory_path from dba_directories where owner='SYS' order by 2;
select directory_name, directory_path from dba_directories where owner='SYS' order by 2;
</copy>
-- Be sure to hit RETURN
Expand All @@ -327,7 +327,7 @@ In the Oracle home you find other software components, that is patched together
<details>
<summary>*click to see the output*</summary>
``` text
SQL> select directory_name , directory_path from dba_directories where owner='SYS' order by 2;
SQL> select directory_name, directory_path from dba_directories where owner='SYS' order by 2;
DIRECTORY_NAME DIRECTORY_PATH
------------------------- --------------------------------------------------
Expand Down Expand Up @@ -442,7 +442,7 @@ In the Oracle home you find other software components, that is patched together
Optimizer fixes are provided as part of the Release Update. However, those optimizer fixes which might cause plan changes are turned off. Meaning the fix is present in the database, but the old code is still activated. This allows you to maintain maximum plan stability in your database and only turn on those optimizer fixes that you need for a given problem.
1. List all the optimizer fixes that were added by the last Release Update.
1. Still in the *yellow* terminal 🟨 and connected to the *FTEX* database. List all the optimizer fixes that were added by the last Release Update.
```
<copy>
Expand Down Expand Up @@ -566,62 +566,108 @@ Optimizer fixes are provided as part of the Release Update. However, those optim
PL/SQL procedure successfully completed.
```
</details>
</details>
6. Check the setting of the `_fix_control` parameter.
```
<copy>
select value from v$system_parameter where name='_fix_control';
</copy>
```
* The output is formatted as a comma-separated string.
* Each element is a key-value pair with the bug number and the setting.
* You can look up a specific fix in My Oracle Support to learn more about it.
<details>
<summary>*click to see the output*</summary>
``` text
SQL> select value from v$system_parameter where name='_fix_control';
VALUE
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ----------------
29331066:1, 28965084:1, 28776811:1, 28498976:1, 28567417:1, 28558645:1, 29132869:1, 29450812:1, 29687220:1, 29939400:1, 30232638:1, 30001331:0, 29304314:1, 29930457:1, 30028663:1, 28144569:1, 28776431
:1, 27261477:1, 31069997:1, 31077481:1, 28602253:1, 29653132:0, 29937655:1, 30347410:1, 30602828:1, 30896685:0, 29487407:1, 30998035:1, 30786641:1, 31444353:0, 30486896:1, 28999046:1, 30902655:1, 3068
1521:1, 29302565:1, 30972817:1, 30222669:1, 31668694:1, 31001490:1, 30198239:7, 30980115:1, 30616738:0, 31895670:0, 19138896:1, 31670824:0, 9876287:0, 30564898:1, 32075777:0, 30570982:1, 30927440:1, 3
0822446:1, 24561942:1, 31625959:1, 31579233:1, 29696242:1, 30228422:1, 17295505:1, 29725425:1, 30618230:1, 30008456:1, 30537403:1, 30235878:1, 30646077:1, 29657973:1, 29712727:1, 20922160:1, 30006705:
1, 29463553:1, 30751171:1, 31009032:1, 30063629:1, 30207519:1, 31517502:1, 30617002:1, 30483217:1, 30235691:1, 30568514:1, 28414968:3, 32014520:1, 30249927:1, 31580374:1, 29590666:0, 29435966:1, 28173
995:1, 29867728:1, 30776676:1, 26577716:1, 30470947:1, 30979701:1, 30483184:1, 31001295:1, 31191224:1, 31974424:1, 29385774:1, 28234255:3, 31459242:0, 31082719:1, 28708585:1, 31821701:1, 32107621:1, 2
6758837:1, 31558194:1, 30781970:0, 30142527:1, 31143146:1, 31961578:0, 31496840:1, 22387320:1, 30652595:1, 25979242:1, 32578113:1, 32205825:1, 32408640:1, 31988833:1, 32800137:0, 31360214:1, 32913527:
0, 29738374:1, 33325981:1, 31945701:0, 32212062:0, 32766397:0, 32508585:1, 29651517:1, 31912834:1, 33145153:1, 31880080:0, 31050103:1, 30018126:1, 33303725:1, 32856375:1, 32754044:1, 33297275:1, 32851
615:1, 32302470:1, 27825962:0, 33323903:1, 31162457:1, 31843716:0, 28044739:1, 30771009:1, 33636280:0, 31545400:1, 30618406:1, 32614157:1, 33329027:1, 33311488:1, 32396085:1, 29972495:1, 32363981:1, 3
1582179:1, 30978868:1, 33381775:1, 33906515:1, 33443834:1, 33730024:1, 33649782:1, 33236729:1, 34092979:0, 33987911:1, 34028486:1, 32874571:0, 26491973:1, 30675651:0, 10123661:1, 30887435:1, 30231086:
1, 30195773:1, 31091402:1, 33547527:1, 18101156:0, 34428819:1, 31209735:1, 30609737:1, 32498602:1, 29499077:1, 32527739:1, 31266779:1, 31487332:1, 25869323:1, 31925765:0, 33667505:1, 33369863:1, 32933
936:0, 34131435:1, 33745469:1, 29015273:0, 34701323:1, 34123350:1, 32016340:0, 34244753:1, 34467295:0, 23220873:1, 32061341:1, 33548186:0, 33421972:0, 32616683:1, 33627879:1, 32005394:1, 33069936:1, 3
5012562:1, 34685578:1, 31184370:1, 35313797:1, 35412607:1, 34044661:1, 33549743:0, 34816383:0, 35330506:1
```
</details>
7. Format the output in a more readable way.
```
<copy>
set pagesize 1000
select replace(value, ', ', chr(10)) as fixes from v$system_parameter where name='_fix_control';
col value format a40
select * from (
select trim(regexp_substr (str,'[^,]+',1,level)) value
from (select value as str from v$system_parameter where name='_fix_control')
connect by level <= length ( str ) - length ( replace ( str, ',' ) ) + 1
) order by 1;
</copy>
-- Be sure to hit RETURN
```
* The output is formatted which a fix on each line.
* You can look up a specific fix in My Oracle Support to learn more about it.
* Each bug is now in a separate row.
* You can see there are 209 bug fixes currently.
<details>
<summary>*click to see the output*</summary>
``` text
SQL> set pagesize 1000
SQL> select replace(value, ', ', chr(10)) as fixes from v$system_parameter where name='_fix_control';
FIXES
--------------------------------------------------------------------------------
29331066:1
28965084:1
28776811:1
28498976:1
28567417:1
SQL> col value format a40
SQL> select * from (
select trim(regexp_substr (str,'[^,]+',1,level)) value
from (select value as str from v$system_parameter where name='_fix_control')
connect by level <= length ( str ) - length ( replace ( str, ',' ) ) + 1
) order by 1;
VALUE
----------------------------------------
10123661:1
17295505:1
18101156:0
19138896:1
....
(output truncated)
....
35012562:1
35313797:1
35330506:1
35412607:1
34044661:1
33549743:0
34816383:0
35330506:1
9876287:0
209 rows selected.
```
</details>
7. Selectively turn a fix *OFF*.
8. Selectively turn a fix *OFF*.
```
<copy>
exec dbms_optim_bundle.set_fix_controls('35330506:0','*', 'BOTH','NO');
exec dbms_optim_bundle.set_fix_controls('35412607:0','*', 'BOTH','NO');
</copy>
```
* *35330506* is one of the fixes from the output of the previous command.
* *35412607* is one of the fixes from the output of the previous command.
* You can use the procedure to turn fixes *ON* as well.
<details>
<summary>*click to see the output*</summary>
``` text
SQL> exec dbms_optim_bundle.set_fix_controls('35330506:0','*', 'BOTH','NO');
DBMS_OPTIM command: dbms_optim_bundle.set_fix_controls('35330506:0', '*','BOTH', 'NO')
SQL> exec dbms_optim_bundle.set_fix_controls('35412607:0','*', 'BOTH','NO');
DBMS_OPTIM command: dbms_optim_bundle.set_fix_controls('35412607:0', '*','BOTH', 'NO')
1) Current _fix_control setting for spfile:
28965084:1 28776811:1 28567417:1 29132869:1 31444353:0 30927440:1
Expand All @@ -636,24 +682,86 @@ Optimizer fixes are provided as part of the Release Update. However, those optim
18101156:0 29499077:1 31487332:1 25869323:1 33421972:0
3) Current _fix_control setting in memory for sid = FTEX
35330506:1
35412607:1
4) Final _fix_control setting for memory considering current_setting_precedence
is NO
35330506:0
35412607:0
PL/SQL procedure successfully completed.
```
</details>
8. Exit SQL*Plus.
9. Check the parameter *\_fix\_control* again and see that the value has changed for bug 35412607 from *1* to *0*.
```
<copy>
select * from (
select trim(regexp_substr (str,'[^,]+',1,level)) value
from (select value as str from v$system_parameter where name='_fix_control')
connect by level <= length ( str ) - length ( replace ( str, ',' ) ) + 1
) where value like '35412607%';
</copy>
```
<details>
<summary>*click to see the output*</summary>
``` text
SQL> select * from (
select trim(regexp_substr (str,'[^,]+',1,level)) value
from (select value as str from v$system_parameter where name='_fix_control')
connect by level <= length ( str ) - length ( replace ( str, ',' ) ) + 1
) where value like '35412607%';
VALUE
----------------------------------------
35412607:0
```
</details>
10. Create a PFile.
```
<copy>
create pfile from spfile;
</copy>
```
<details>
<summary>*click to see the output*</summary>
``` text
SQL> create pfile from spfile;
File created.
```
</details>
11. Exit SQL*Plus.
```
<copy>
exit
</copy>
```
12. Check the lengthy *\_fix\_control* parameter in the PFile.
```
<copy>
grep "fix_control" $ORACLE_HOME/dbs/initFTEX.ora
</copy>
```
* All bug fix key-value pairs are in one long comma-separated value.
<details>
<summary>*click to see the output*</summary>
``` text
[FTEX:oracle@holserv1:~]$ grep "fix_control" $ORACLE_HOME/dbs/initFTEX.ora
*._fix_control='35412607:0','28965084:1','28776811:1','28567417:1','29132869:1','31444353:0','30927440:1','24561942:1','17295505:1','30646077:1','29463553:1','31580374:1','28173995:1','29867728:1','31974424:1','28708585:1','26758837:1','32205825:1','31912834:1','31843716:0','33443834:1','34028486:1','34816383:0','30001331:0','29930457:1','30028663:1','29653132:0','30998035:1','30902655:1','30681521:1','29302565:1','30198239:7','31625959:1','31579233:1','31517502:1','30568514:1','32014520:1','29590666:0','26577716:1','29385774:1','31082719:1','31558194:1','31961578:0','29738374:1','32851615:1','27825962:0','33730024:1','31091402:1','33369863:1','32933936:0','32061341:1','35330506:1','28144569:1','30347410:1','30602828:1','9876287:0','30570982:1','30822446:1','30008456:1','29657973:1','30483217:1','22387320:1','31360214:1','33325981:1','31880080:0','30771009:1','32614157:1','33329027:1','33311488:1','32363981:1','33236729:1','32874571:0','30887435:1','30195773:1','33547527:1','31209735:1','32498602:1','32005394:1','35012562:1','34044661:1','28558645:1','29450812:1','29687220:1','29939400:1','30896685:0','28999046:1','30972817:1','30222669:1','31668694:1','30616738:0','29725425:1','29712727:1','20922160:1','30063629:1','30617002:1','29435966:1','31191224:1','31496840:1','32212062:0','33145153:1','33303725:1','32754044:1','29972495:1','33906515:1','10123661:1','34428819:1','34131435:1','34701323:1','30232638:1','29304314:1','28776431:1','31077481:1','29487407:1','30980115:1','30564898:1','30618230:1','30537403:1','30235878:1','30249927:1','30979701:1','31001295:1','31459242:0','32107621:1','30142527:1','31945701:0','32508585:1','33297275:1','32302470:1','28044739:1','33636280:0','33381775:1','33649782:1','30231086:1','29015273:0','32016340:0','34244753:1','23220873:1','33548186:0','29331066:1','27261477:1','31069997:1','30486896:1','19138896:1','29696242:1','30228422:1','30751171:1','28414968:3','30652595:1','25979242:1','32913527:0','29651517:1','31545400:1','30618406:1','26491973:1','32527739:1','31266779:1','34123350:1','34467295:0','32616683:1','33627879:1','34685578:1','35313797:1','28602253:1','29937655:1','31001490:1','32075777:0','30006705:1','30207519:1','30776676:1','30470947:1','30483184:1','31821701:1','30781970:0','32408640:1','31988833:1','32766397:0','30018126:1','33323903:1','31162457:1','33987911:1','30675651:0','30609737:1','31925765:0','33667505:1','33745469:1','33069936:1','31184370:1','33549743:0','28498976:1','30786641:1','31895670:0','31670824:0','31009032:1','30235691:1','28234255:3','31143146:1','32578113:1','32800137:0','31050103:1','32856375:1','32396085:1','31582179:1','30978868:1','34092979:0','18101156:0','29499077:1','31487332:1','25869323:1','33421972:0'#added through dbms_optim_bundle package
```
</details>
You may now *proceed to the next lab*.
## Acknowledgements
Expand Down

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