CRS-4638: Oracle High Availability Services is online CRS-4535: Cannot communicate with Cluster Ready Services CRS-4530: Communications failure contacting Cluster Synchronization Services daemon

 [oracle@aws01 ~]$ crsctl query css votedisk

Unable to communicate with the Cluster Synchronization Services daemon.

[oracle@aws01 ~]$ crsctl check crs

CRS-4638: Oracle High Availability Services is online

CRS-4535: Cannot communicate with Cluster Ready Services

CRS-4530: Communications failure contacting Cluster Synchronization Services daemon

CRS-4534: Cannot communicate with Event Manager

[oracle@aws01 ~]$ su - root

Password:

Last login: Thu May 20 11:42:01 IST 2021 on pts/0

[root@aws01 ~]# cd /dev/oracleasm/disks

[root@aws01 disks]# ls -lrt

total 0

brw-------. 1 root root 8, 17 May 20 12:00 FRA01

brw-------. 1 root root 8, 33 May 20 12:00 DATA01

[root@aws01 disks]# chown -R oracle:dba /dev/oracleasm/disks

[root@aws01 disks]# chmod 777 /dev/oracleasm/disks

[root@aws01 disks]# crsctl start cluster

bash: crsctl: command not found...

[root@aws01 disks]# .  oraenv

ORACLE_SID = [root] ? +ASM1

The Oracle base has been set to /u01/app/oracle

[root@aws01 disks]# crsctl start cluster

CRS-2672: Attempting to start 'ora.crf' on 'aws01'

CRS-2672: Attempting to start 'ora.cssd' on 'aws01'

CRS-2672: Attempting to start 'ora.diskmon' on 'aws01'

CRS-2676: Start of 'ora.diskmon' on 'aws01' succeeded

CRS-2676: Start of 'ora.crf' on 'aws01' succeeded

CRS-2676: Start of 'ora.cssd' on 'aws01' succeeded

CRS-2672: Attempting to start 'ora.ctssd' on 'aws01'

CRS-2672: Attempting to start 'ora.cluster_interconnect.haip' on 'aws01'

CRS-2676: Start of 'ora.ctssd' on 'aws01' succeeded

CRS-2676: Start of 'ora.cluster_interconnect.haip' on 'aws01' succeeded

CRS-2672: Attempting to start 'ora.asm' on 'aws01'

CRS-2676: Start of 'ora.asm' on 'aws01' succeeded

CRS-2672: Attempting to start 'ora.storage' on 'aws01'

CRS-2676: Start of 'ora.storage' on 'aws01' succeeded

CRS-2672: Attempting to start 'ora.crsd' on 'aws01'

CRS-2676: Start of 'ora.crsd' on 'aws01' succeeded

[root@aws01 disks]# ps -ef |grep pmon

oracle    8340     1  0 12:24 ?        00:00:00 asm_pmon_+ASM1

oracle    9066     1  0 12:24 ?        00:00:00 mdb_pmon_-MGMTDB

root     11931  6876  0 12:29 pts/0    00:00:00 grep --color=auto pmon

[root@aws01 disks]# exit