Cisco MCS-7825-H3-IPC1 Service Guide - Page 143

Chapter 3 Managing and Monitoring the Health of Cisco Unified Communications Manager Systems General Health and Troubleshooting Tips Reset Database Replication When Reverting to Prior Release If you revert the servers in a cluster to run an older product release, you must manually reset database replication within the cluster. To reset database replication after you revert all the cluster servers to the older product release, use the utils dbreplication reset command all on the publisher server. When you switch versions by using Cisco Unified Communications Operating System Administration or the CLI, you get a message reminding you about the requirement to reset database replication if you are reverting to an older product release. Useful Commands and Utilities This section provides a quick reference for commands and utilities to help you troubleshoot a Cisco Unified Communications Manager server with root access disabled. Table 3-6 provides a summary of the CLI commands and GUI selections that you can use to gather information troubleshoot various system problems. Table 3-6 Information CPU usage Summary of CLI Commands and GUI Selections Linux Command top Serviceability GUI Tool RTMT Go to View tab and select Server > CPU and Memory Process state ps Disk usage df/du Memory free Network status netstats RTMT Go to View tab and select Server > Process RTMT Go to View tab and select Server > Disk Usage RTMT Go to View tab and select Server > CPU and Memory CLI commands Processor CPU usage: show perf query class Processor Process CPU Usage for all processes: show perf query counter Process "% CPU Time" Individual process counter details (including CPU usage) show perf query instance show perf query counter Process "Process Status" show perf query counter Partition "% Used" or show perf query class Partition show perf query class Memory show network status OL-22523-01 Cisco Unified Communications Manager Managed Services Guide 3-43