Monday, February 12, 2024

RAC Database Vs RAC Instance Maintenance

Database Level Maintenance:
srvctl status database -d TEST
srvctl config database -d TEST
srvctl stop database -d TEST
srvctl status database -d TEST
srvctl start database -d TEST

Instance Level Maintenance:
srvctl status instance -i TEST1 -d TEST 
srvctl status instance -i TEST2 -d TEST 
srvctl stop instance -i TEST1 -d TEST 
srvctl status database -d TEST
srvctl stop instance -i TEST2 -d TEST 
srvctl status database -d TEST

srvctl start instance -i TEST1 -d TEST 
srvctl status database -d TEST
srvctl start instance -i TEST2 -d TEST 
srvctl status database -d TEST

Database Level Maintenance (Execute on all cluster nodes):
sqlplus / as sysdba
select instance_name, status from v$instance;
shut immediate;

All cluster nodes:
sqlplus / as sysdba
startup; 
select instance_name, status from v$instance;

Log:
====
[root@hostnode1 ~]# ps -ef|grep smon
root     11661 17862  0 23:04 pts/0    00:00:00 grep --color=auto smon
oracle   19560     1  0 Feb10 ?        00:00:03 ora_smon_UAT1
oracle   20881     1  0 Feb10 ?        00:00:03 ora_smon_DEV1
root     27647     1  1 Feb04 ?        02:32:51 /u01/app/19.0.0.0/grid/bin/osysmond.bin
oracle   28823     1  0 Feb04 ?        00:00:10 asm_smon_+ASM1
oracle   32544     1  0 Feb10 ?        00:00:03 ora_smon_TEST1
[root@hostnode1 ~]# . oraenv
ORACLE_SID = [root] ? +ASM1
The Oracle base has been set to /u01/app/oracle
[root@hostnode1 ~]#
[root@hostnode1 ~]# env |grep ORA
ORACLE_SID=+ASM1
ORACLE_BASE=/u01/app/oracle
ORACLE_HOME=/u01/app/19.0.0.0/grid
[root@hostnode1 ~]#
[root@hostnode1 ~]#
[root@hostnode1 ~]#
[root@hostnode1 ~]# olsnodes
hostnode1
hostnode2
[root@hostnode1 ~]# su - oracle
Last login: Sun Feb 11 23:04:30 IST 2024
[oracle@hostnode1 ~]$ . oraenv
ORACLE_SID = [oracle] ? TEST1
The Oracle base has been set to /u01/app/oracle
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$ env |grep ORA
ORACLE_SID=TEST1
ORACLE_BASE=/u01/app/oracle
ORACLE_HOME=/u01/app/oracle/product/19.0.0.0/dbhome_1
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$ srvctl status database -d TEST
Instance TEST1 is running on node hostnode1
Instance TEST2 is running on node hostnode2
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$ srvctl config database -d TEST
Database unique name: TEST
Database name: TEST
Oracle home: /u01/app/oracle/product/19.0.0.0/dbhome_1
Oracle user: oracle
Spfile: +DATA/TEST/PARAMETERFILE/spfileTEST.ora
Password file: +DATA/TEST/PASSWORD/pwdtest.293.1160546127
Domain:
Start options: open
Stop options: immediate
Database role: PRIMARY
Management policy: AUTOMATIC
Server pools:
Disk Groups: RECO,DATA
Mount point paths:
Services:
Type: RAC
Start concurrency:
Stop concurrency:
OSDBA group: oinstall
OSOPER group: oinstall
Database instances: TEST1,TEST2
Configured nodes: hostnode1,hostnode2
CSS critical: no
CPU count: 0
Memory target: 0
Maximum memory: 0
Default network number for database services:
Database is administrator managed
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$ srvctl stop database -d TEST
[oracle@hostnode1 ~]$ srvctl status database -d TEST
Instance TEST1 is not running on node hostnode1
Instance TEST2 is not running on node hostnode2
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$ srvctl start database -d TEST
[oracle@hostnode1 ~]$ srvctl status database -d TEST
Instance TEST1 is running on node hostnode1
Instance TEST2 is running on node hostnode2
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$ srvctl status instance -i TEST1 -d TEST
Instance TEST1 is running on node hostnode1
[oracle@hostnode1 ~]$ srvctl status instance -i TEST2 -d TEST
Instance TEST2 is running on node hostnode2
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$ srvctl stop instance -i TEST1 -d TEST
[oracle@hostnode1 ~]$ srvctl status database -d TEST
Instance TEST1 is not running on node hostnode1
Instance TEST2 is running on node hostnode2
[oracle@hostnode1 ~]$ srvctl stop instance -i TEST2 -d TEST
[oracle@hostnode1 ~]$ srvctl status database -d TEST
Instance TEST1 is not running on node hostnode1
Instance TEST2 is not running on node hostnode2
[oracle@hostnode1 ~]$ srvctl start instance -i TEST1 -d TEST
[oracle@hostnode1 ~]$ srvctl status database -d TEST

Instance TEST1 is running on node hostnode1
Instance TEST2 is not running on node hostnode2
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$ srvctl start instance -i TEST2 -d TEST
[oracle@hostnode1 ~]$ srvctl status database -d TEST
Instance TEST1 is running on node hostnode1
Instance TEST2 is running on node hostnode2
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$
[oracle@hostnode1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Sun Feb 11 23:14:02 2024
Version 19.19.0.0.0

Copyright (c) 1982, 2022, Oracle.  All rights reserved.


Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.19.0.0.0

SQL> select instance_name, status from v$instance;

INSTANCE_NAME    STATUS
---------------- ------------
TEST1            OPEN

SQL> shut immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.19.0.0.0
[oracle@hostnode1 ~]$ srvctl status database -d TEST
Instance TEST1 is not running on node hostnode1
Instance TEST2 is running on node hostnode2
[oracle@hostnode1 ~]$ srvctl status database -d TEST
Instance TEST1 is not running on node hostnode1
Instance TEST2 is not running on node hostnode2
[oracle@hostnode1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Sun Feb 11 23:16:14 2024
Version 19.19.0.0.0

Copyright (c) 1982, 2022, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup;
ORACLE instance started.

Total System Global Area 3690985832 bytes
Fixed Size                  8931688 bytes
Variable Size             855638016 bytes
Database Buffers         2818572288 bytes
Redo Buffers                7843840 bytes
Database mounted.
Database opened.
SQL> select instance_name, status from v$instance;

INSTANCE_NAME    STATUS
---------------- ------------
TEST1            OPEN

SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.19.0.0.0
[oracle@hostnode1 ~]$ srvctl status database -d TEST
Instance TEST1 is running on node hostnode1
Instance TEST2 is running on node hostnode2
[oracle@hostnode1 ~]$

[root@hostnode2 ~]# ps -ef|grep smon
oracle    6047     1  0 Feb10 ?        00:00:02 ora_smon_UAT2
oracle    7938     1  0 Feb10 ?        00:00:02 ora_smon_TEST2
root     15114 31455  0 23:04 pts/0    00:00:00 grep --color=auto smon
oracle   17687     1  0 Feb10 ?        00:00:02 ora_smon_DEV2
root     21607     1  1 Feb04 ?        02:13:19 /u01/app/19.0.0.0/grid/bin/osysmond.bin
oracle   22497     1  0 Feb04 ?        00:00:10 asm_smon_+ASM2
[root@hostnode2 ~]# su - oracle
Last login: Sun Feb 11 23:12:05 IST 2024
[oracle@hostnode2 ~]$ . oraenv
ORACLE_SID = [oracle] ? TEST2
The Oracle base has been set to /u01/app/oracle
[oracle@hostnode2 ~]$
[oracle@hostnode2 ~]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Sun Feb 11 23:14:46 2024
Version 19.19.0.0.0

Copyright (c) 1982, 2022, Oracle.  All rights reserved.


Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.19.0.0.0

SQL> select instance_name, status from v$instance;

INSTANCE_NAME    STATUS
---------------- ------------
TEST2            OPEN

SQL> shut immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.19.0.0.0
[oracle@hostnode2 ~]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Sun Feb 11 23:16:23 2024
Version 19.19.0.0.0

Copyright (c) 1982, 2022, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup;
ORACLE instance started.

Total System Global Area 3690985832 bytes
Fixed Size                  8931688 bytes
Variable Size             788529152 bytes
Database Buffers         2885681152 bytes
Redo Buffers                7843840 bytes
Database mounted.
Database opened.
SQL> select instance_name, status from v$instance;

INSTANCE_NAME    STATUS
---------------- ------------
TEST2            OPEN

SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.19.0.0.0
[oracle@hostnode2 ~]$

Regards,
Mallikarjun

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