上篇文章
我只在中間備庫環境應用了PSU，解決了級聯備庫從中間備庫duplicate資料庫的問題：
細心的朋友已經發現，因為是備庫環境，並沒有做資料庫執行相關指令碼部分，所以如果去DB查詢修補程式應用資訊是沒有的：
SQL> r
1* select * from dba_registry_history
ACTION_TIME ACTION NAMESPACE VERSION ID BUNDLE_SERIES COMMENTS
--------------------------------------------------------------------------- ------------------------------ ------------------------------ ------------------------------ ---------- ------------------------------ ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
17-SEP-11 10.21.11.595816 AM APPLY SERVER 11.2.0.3 0 PSU Patchset 11.2.0.2.0
04-APR-23 04.37.58.780922 PM APPLY SERVER 11.2.0.3 0 PSU Patchset 11.2.0.2.0
本篇文章就繼續把級聯備庫以及主庫的PSU軟體修補程式打上，步驟和上篇無區別，不再贅述。
最後要在主庫按照readme執行對應指令碼（只需在主庫執行哦，通過ADG基理會將這些改變自動同步到備庫）：
cd $ORACLE_HOME/rdbms/admin
sqlplus /nolog
SQL> CONNECT / AS SYSDBA
SQL> STARTUP
SQL> @catbundle.sql psu apply
SQL> QUIT
再次看狀態：
set lines 1000
select * from dba_registry_history;
SQL> set lines 1000
select * from dba_registry_history;SQL>
ACTION_TIME ACTION NAMESPACE VERSION ID BUNDLE_SERIES COMMENTS
--------------------------------------------------------------------------- ------------------------------ ------------------------------ ------------------------------ ---------- ------------------------------ ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
17-SEP-11 10.21.11.595816 AM APPLY SERVER 11.2.0.3 0 PSU Patchset 11.2.0.2.0
04-APR-23 04.37.58.780922 PM APPLY SERVER 11.2.0.3 0 PSU Patchset 11.2.0.2.0
22-MAY-23 04.55.20.039373 PM APPLY SERVER 11.2.0.3 15 PSU PSU 11.2.0.3.15
最後去備庫，以及級聯備庫分別確認同步狀態：
備庫狀態：已有11.2.0.3.15資訊
[oracle@db11gadg ~]$
SQL> @dg
NAME VALUE UNIT TIME_COMPUTED DATUM_TIME
---------------------- ---------------------- ------------------------------ ------------------------------ ------------------------------
transport lag +00 00:00:00 day(2) to second(0) interval 05/22/2023 16:56:04 05/22/2023 16:56:03
apply lag +00 00:00:00 day(2) to second(0) interval 05/22/2023 16:56:04 05/22/2023 16:56:03
apply finish time +00 00:00:00.000 day(2) to second(3) interval 05/22/2023 16:56:04
estimated startup time 9 second 05/22/2023 16:56:04
SQL> set lines 1000
select * from dba_registry_history;SQL>
ACTION_TIME ACTION NAMESPACE VERSION ID BUNDLE_SERIES COMMENTS
--------------------------------------------------------------------------- ------------------------------ ------------------------------ ------------------------------ ---------- ------------------------------ ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
17-SEP-11 10.21.11.595816 AM APPLY SERVER 11.2.0.3 0 PSU Patchset 11.2.0.2.0
04-APR-23 04.37.58.780922 PM APPLY SERVER 11.2.0.3 0 PSU Patchset 11.2.0.2.0
22-MAY-23 04.55.20.039373 PM APPLY SERVER 11.2.0.3 15 PSU PSU 11.2.0.3.15
級聯備庫狀態：在主庫切紀錄檔後也會有11.2.0.3.15資訊：
[oracle@db11gcas ~]$
SQL> @dg
NAME VALUE UNIT TIME_COMPUTED DATUM_TIME
---------------------- ---------------------- ------------------------------ ------------------------------ ------------------------------
transport lag +00 00:00:48 day(2) to second(0) interval 05/22/2023 16:56:50 05/22/2023 16:56:06
apply lag +00 00:00:48 day(2) to second(0) interval 05/22/2023 16:56:50 05/22/2023 16:56:06
apply finish time day(2) to second(3) interval 05/22/2023 16:56:50
estimated startup time 9 second 05/22/2023 16:56:50
SQL> set lines 1000
select * from dba_registry_history;SQL>
ACTION_TIME ACTION NAMESPACE VERSION ID BUNDLE_SERIES COMMENTS
--------------------------------------------------------------------------- ------------------------------ ------------------------------ ------------------------------ ---------- ------------------------------ ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
17-SEP-11 10.21.11.595816 AM APPLY SERVER 11.2.0.3 0 PSU Patchset 11.2.0.2.0
04-APR-23 04.37.58.780922 PM APPLY SERVER 11.2.0.3 0 PSU Patchset 11.2.0.2.0
SQL> /
ACTION_TIME ACTION NAMESPACE VERSION ID BUNDLE_SERIES COMMENTS
--------------------------------------------------------------------------- ------------------------------ ------------------------------ ------------------------------ ---------- ------------------------------ ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
17-SEP-11 10.21.11.595816 AM APPLY SERVER 11.2.0.3 0 PSU Patchset 11.2.0.2.0
04-APR-23 04.37.58.780922 PM APPLY SERVER 11.2.0.3 0 PSU Patchset 11.2.0.2.0
22-MAY-23 04.55.20.039373 PM APPLY SERVER 11.2.0.3 15 PSU PSU 11.2.0.3.15
SQL> @dg
NAME VALUE UNIT TIME_COMPUTED DATUM_TIME
---------------------- ---------------------- ------------------------------ ------------------------------ ------------------------------
transport lag +00 00:00:00 day(2) to second(0) interval 05/22/2023 16:57:18 05/22/2023 16:57:11
apply lag +00 00:00:00 day(2) to second(0) interval 05/22/2023 16:57:18 05/22/2023 16:57:11
apply finish time day(2) to second(3) interval 05/22/2023 16:57:18
estimated startup time 9 second 05/22/2023 16:57:18
SQL> @dg
NAME VALUE UNIT TIME_COMPUTED DATUM_TIME
---------------------- ---------------------- ------------------------------ ------------------------------ ------------------------------
transport lag +00 00:00:56 day(2) to second(0) interval 05/22/2023 16:58:16 05/22/2023 16:58:07
apply lag +00 00:00:56 day(2) to second(0) interval 05/22/2023 16:58:16 05/22/2023 16:58:07
apply finish time day(2) to second(3) interval 05/22/2023 16:58:16
estimated startup time 9 second 05/22/2023 16:58:16
都沒問題了，整個過程也符合PSU修補程式應用邏輯。