Cdm probe generating false alerts on NFS drive

Products

• DX Unified Infrastructure Management (Nimsoft / UIM)

Issue/Introduction

CDM Probe is generating false high utilization alerts on NFS Drive. Below drive threshold has been configured to High-3% and Low-5% but still we got the below alert.

And as per actually drive utilization it's 94%.

Sample alert-> Average (4 samples) disk free on /var/data/oracle/xxx is now 6.60%, which is below the error threshold (10%) out of total size 47.5 GB

 

Environment

Release : 20.3

Component : UIM - CDM WITH IOSTAT

Cause

Disk usage and thresholds and fixed disk properties was set with different thresholds

Resolution

https://techdocs.broadcom.com/us/en/ca-enterprise-software/it-operations-management/ca-unified-infrastructure-management-probes/GA/alphabetical-probe-articles/cdm-cpu-disk-memory-performance-monitoring/cdm-im-configuration.html

Disk usage and thresholds and fixed disk properties