CRS-01758
Operating System crash dump generation is disabled because crash dump is not enabled on Grid Infrastructure.
Cause
Based on the configuration identified crash dump will not be generated on the system since crash dump is not enabled on Grid Infrastructure.
Action
If kdump is enabled at the Operating System level when Grid Infrastructure stack was started,kernel crash dump can be triggered for all CSSD agent reboots using the following Commands,
crsctl modify res ora.cssd -attr "REBOOT_OPTS=CRASHDUMP" -init crsctl modify res ora.cssdmonitor -attr "REBOOT_OPTS=CRASHDUMP" -init
For enabling kdump please check How to Configure "kdump" on Oracle Linux 7 (Doc ID 2049919.1).
If Engineered system please also follow action outlined for CRS-1760 in Doc ID 2833252.1.