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Cisco Unified Communications Manager Managed Services Guide
OL-22523-01
Chapter 3 Managing and Monitoring the Health of Cisco Unified Communications Manager Systems
RTMT Monitoring of Cisco Unified CM System Health
RTMT Monitoring of Cisco Unified CM System Health
The following topics are described in this section:
• RTMT Summary View, page 3-12
• CPU Usage, page 3-13
• % IOwait Monitoring, page 3-15
• Virtual Memory, page 3-16
• Disk Usage, page 3-17
• Database Replication and Cisco Unified Communication Manager Nodes, page 3-20
• Cisco Unified CM Process and CPU Usage, page 3-20
• CodeYellow, page 3-21
• RIS Data Collector PerfMonLog, page 3-23
• Critical Service Status, page 3-24
• Syslog Messages, page 3-25
• RTMT Alerts as Syslog Messages and Traps, page 3-26
RTMT Summary View
The RTMT summary view displays the overall health of the system, which should be monitored daily,
including:
• CPU utilization level
• Memory utilization level
• Phone registration status
• Call in progress
• Gateway status
If CPU and memory utilization levels exceeds the 70 percent mark, then the Cisco Unified CM publisher
and subscribers that are participating in call processing could be overloaded . Key indicators of system
health and performance issues are:
• System Time, User Time, IOWait, soft irq, irq
• CPU Pegging Alerts
• Process using most CPU
• High % iowait
• High % iowait due to common partition
• Process responsible for Disk IO
• CodeYellow
If you do not want the RTMT client running on your workstation or PC all the time, you can configure
a threshold for each alert that is of interest to you and how you want to be notified. Then you can close
the RTMT client on your workstation or PC.
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