On Aria Operations for Logs, Loginsight service is showing as Active: failed. However, Cassandra is not running.
You suspect there is a data corruption issue as you are not able to login to the UI with admin credential.
The following line can be seen on the result from the command: systemctl status loginsight
Check Previous Start and try to unlock path /storage/core/loginsight/cidata/store/strata_writer.log
Aria Operations for Logs 8.x
When an Aria Operations for Logs appliance is not properly shutdown, or there has been a power interruption on the VM or the ESXi, loginsight service on the appliance wasn't stopped cleanly. The loginsight lock file did not get removed. The following screenshot shows an example of the service stopped. However, the strata_writer.lock file still showing in the /storage/core/loginsight/cidata/store folder:
In addition, due the the disruption on the appliance, hint files may get corrupted. The following error can be seen from the /storage/var/loginsight/cassandra.log file:
ERROR [HintsDispatcher:1] ####-##-## 07:00:24,378 HintsDispatchExecutor.java:243 - Failed to dispatch hints file ########-####-####-####-############-#############-#.hints: file is corrupted ({})"
SSH into Aria Operations for Logs appliance as root user.
systemctl stop loginsight
cd /storage/core/loginsight/cidata/store
rm -f strata_writer.lock
systemctl start loginsight
Ensure you can now bring up the Aria Operations UI and able to login with your admin credential.