chmod: changing permissions of '/var/lib/postgresql/data': Permission denied

[root@tomcat ~ qa ]# kubectl get pods -n zabbix NAME READY STATUS RESTARTS AGE postgres-server-0 0/1 Error 3 45s zabbix-server-757555c4c7-hb9pn 3/3 Running 0 44s zabbix-web-57f64bd798-brhnv 1/1 Running 0 42s zabbix-zabbix-operator-chart-5f8bb44b-lnnw4 1/1 Running 0 26m [root@tomcat ~ qa ]# kubectl logs -f postgres-server-0 -n zabbix chmod: changing permissions of '/var/lib/postgresql/data': Permission denied