Thanks @Hae for coming back The first thing is 1.5.3 is not supported with RHEL 8.4 not sure if that could be an issue as well For DNS ensure that you have followed the prereqs while installation Are you using custom or self-signed auto-generated certs   ... View more

Thanks @Hae for your reply. Yes that is not supported thank you ... View more

Hello @Hae  In general, RHEL 8.4 is not supported with ECS 1.5.3 ... View more

Hello @Hae  Glad to know that the issue is fixed For me, the log file is present below  # pwd /var/lib/kubelet/pods/c2fa4324-b324-40c5-97a6-e55bd7fa1a65/volumes/kubernetes.io~csi/pvc-697a0f20-499f-4896-b6e9-a5e87435db9b/mount [CDP-DS Tue Apr 23 04:32:08 UTC root@pvc-ds-readiness05.novalocal [/var/lib/kubelet/pods/c2fa4324-b324-40c5-97a6-e55bd7fa1a65/volumes/kubernetes.io~csi/pvc-697a0f20-499f-4896-b6e9-a5e87435db9b/mount] # ls -lrth total 99M drwxrws---. 2 root 28536 16K Mar 12 09:08 lost+found -rw-rw-r--. 1 28536 28536 0 Mar 12 09:08 LOCK -rw-rw-r--. 1 28536 28536 37 Mar 12 09:08 IDENTITY -rw-rw-r--. 1 28536 28536 11M Apr 3 10:38 LOG.old.1712143774120001 -rw-rw-r--. 1 28536 28536 482K Apr 4 07:59 LOG.old.1712218718445033 -rw-rw-r--. 1 28536 28536 5.9M Apr 15 06:18 LOG.old.1713163409204237 -rw-rw-r--. 1 28536 28536 40K Apr 15 07:43 LOG.old.1713167051095602 -rw-rw-r--. 1 28536 28536 4.7K Apr 15 07:44 OPTIONS-000017 -rw-rw-r--. 1 28536 28536 2.4M Apr 15 07:44 000018.sst -rw-rw-r--. 1 28536 28536 559K Apr 16 05:44 LOG.old.1713246769612940 -rw-rw-r--. 1 28536 28536 4.8K Apr 16 05:52 000020.sst -rw-rw-r--. 1 28536 28536 185 Apr 16 05:52 MANIFEST-000021 -rw-rw-r--. 1 28536 28536 16 Apr 16 05:52 CURRENT -rw-rw-r--. 1 28536 28536 4.7K Apr 16 05:52 OPTIONS-000024 -rw-rw-r--. 1 28536 28536 2.0K Apr 16 07:20 000022.log -rw-rw-r--. 1 28536 28536 4.1M Apr 23 04:22 LOG       ... View more

Hello @Hae  Appolgies for the delay as I was unavailable for some time   Let's check the volume logs on the cdppvc2 node under the below location # /var/log/instances/pvc-33f9624d-4d90-48fa-8469-02a104df1d10.log   ... View more

Hello @steinsgate  Thank you for reaching out on this You can refer to the below RedHat link to know more about how tuned works on OS. You can check from the below document how different classes work https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/monitoring_and_managing_system_status_and_performance/getting-started-with-tuned_monitoring-and-managing-system-status-and-performance You can set the particular workloads from the available ones using tuned. Also tuned is providing a set of guidelines. You still need to do testing for your particular workloads to validate that the performance curve is acceptable. ... View more