@Spyros P. - just bringing this to closure:   With the release of Cloudera Manager 5.5.0+, the feature you asked about is now available.   http://www.cloudera.com/documentation/enterprise/latest/topics/cm_rn_new_changed_features.html#concept_z5m_1pt_nt_unique_2   "Suppression of notifications - You can suppress the warnings that Cloudera Manager issues when a configuration value is outside the recommended range or is invalid. See Suppressing Configuration and Parameter Validation Warnings. - You can suppress health test warnings. See Suppressing Health Test Results. - Suppression can be useful if a warning does not apply to your deployment and you no longer want to see the notification. Suppressed warnings are still retained by Cloudera Manager, and you can unsuppress the warnings at any time."   Hope this helps, -- Mark ... View more

Hello   I changed directory permission to 755 and then change ACL of it, then it's working now. I will restart whole environment and then check again   Thanks for your inputs msuluhan ... View more