Query the master node - grid user executes oclumon manage -get MASTER REPLICA
+ASM1:/home/grid@db1> oclumon manage -get MASTER REPLICA
Master = db1
Replica = db2
Cluster resource status crsctl check crs
+ASM1:/home/grid@db1> crsctl check crs
CRS-4638: Oracle High Availability Services is online
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online
Place vote disks crsctl query css votedisk
+ASM1:/home/grid@db1> crsctl query css votedisk
## STATE File Universal Id File Name Disk group
-- ----- ----------------- --------- ---------
1. ONLINE a8f3865e32764f52bf0e232f56abee3d (/dev/mapper/crs1) [CRS]
2. ONLINE 0b5a32f5ab2e4f6bbf0eb66fe3eddb66 (/dev/mapper/crs2) [CRS]
3. ONLINE 7b547135ac334f68bf977e42a1b9ae8c (/dev/mapper/crs3) [CRS]
4. ONLINE 2b71acf5df4c4f02bf43a9d704478b32 (/dev/mapper/crs4) [CRS]
5. ONLINE 8067c78fe2c44f1ebfb35be9d71de25e (/dev/mapper/crs5) [CRS]
Located 5 voting disk(s).
Cluster OCR configuration: ocrcheck
[root@db1 ~]# ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 3
Total space (kbytes) : 262120
Used space (kbytes) : 2948
Available space (kbytes) : 259172
ID : 623071370
Device/File Name : +CRS
Device/File integrity check succeeded
Device/File not configured
Device/File not configured
Device/File not configured
Device/File not configured
Cluster registry integrity check succeeded
Logical corruption check succeeded
OCR automatic backup: ocrconfig -showbackup
ASM1:/home/grid@db1> ocrconfig -showbackup
db1 2023/03/02 16:28:40 /u01/app/grid/product/11.2.0/grid_1/cdata/db-cluster/backup00.ocr
db1 2023/03/02 12:28:40 /u01/app/grid/product/11.2.0/grid_1/cdata/db-cluster/backup01.ocr
db1 2023/03/02 08:28:40 /u01/app/grid/product/11.2.0/grid_1/cdata/db-cluster/backup02.ocr
db1 2023/03/01 12:28:38 /u01/app/grid/product/11.2.0/grid_1/cdata/db-cluster/day.ocr
db1 2023/02/24 04:28:26 /u01/app/grid/product/11.2.0/grid_1/cdata/db-cluster/week.ocr
PROT-25: Manual backups for the Oracle Cluster Registry are not available
To verify the integrity of the software - use grid user
cluvfy comp software -verbose
Cluvfy's inspection of cluster ASM components ---- use grid user
cluvfy comp asm -n db1,db2 -verbose
cluvfy stage -pre crsinst -n db1,db2 -verbose
cluvfy comp nodecon -n db1,db2 -verbose
Perform a post-check of the hardware and operating system on the two nodes --grid user executes
cluvfy stage -post hwos -n db1,db2
Check whether there is shared storage --grid user executes
cluvfy comp ssa -n all -verbose
Check the connectivity between nodes
cluvfy comp nodereach -n all -verbose
Check to execute cluvfy comp nodecon -n all -verbose for the specified network interface --grid user
Check ons vip gsd --grid user execute
cluvfy comp nodeapp -n all -verbose
Verify user equivity
cluvfy comp admprv -n all -o user_equiv -verbose
Check whether the clusterware components are healthy
cluvfy comp crs -n all -verbose
cluvfy comp crs -allnodes --19C command
Check whether the ocr is healthy - no risk
cluvfy comp ocr -n all -verbose
Cluster component check
cluvfy comp crs -n all -verbose
cluvfy comp clumgr -n all -verbose
cluvfy comp ocr -n all -verbose
cluster consistency check
cluvfy comp clu