Cisco MCS-7825-H3-IPC1 Service Guide - Page 119
Cisco Unified CM Release 4.x Perfmon Counters, and Cisco Unified CM Release 5.x.
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Chapter 3 Managing and Monitoring the Health of Cisco Unified Communications Manager Systems RTMT Monitoring of Cisco Unified CM System Health • LogPartitionHighWaterMarkExceeded-Occurs when the percentage of used disk space in the log partition has exceeded the configured high water mark. When this alert is generated, Log Partition Monitoring (LPM) utility starts to delete files in Log Partition until the Log Partition is down to the low water mark to avoid running out of disk space. Since LPM may delete some files that you want to keep, you need to act upon receiving LogPartitionLowWaterMarkExceed alert. • LowActivePartitionAvailableDiskSpace-Occurs when the percentage of available disk space of the Active Partition is lower than the configured value. Please use the default threshold that Cisco recommends. At default threshold, this alert should never be generated. If this alert occurs, a system administrator can adjust the threshold as temporary workaround but Cisco TAC should look into this. One place to look is /tmp using remote access. We have seen cases where large files are left there by 3rd party software. • LowInactivePartitionAvailableDiskSpace-Occurs when the percentage of available disk space of the InActive Partition is lower than the configured value. Please use the default threshold that Cisco recommends. At default threshold, this alert should never be generated. If this alert occurs, a system administrator can adjust the threshold as temporary workaround but Cisco TAC should look into this. Table 3-3 shows a comparison of disk-related perfmon counters between Cisco Unified CM Release 4.x and Cisco Unified CM Release 5.x. Table 3-3 Disk-Related Perfmon Counters Cisco Unified CM Release 4.x Perfmon Counters Logical Disk % Disk Time Disk Read Bytes/sec Disk Write Bytes/sec Current Disk Queue Length Free Megabytes % Free Space Cisco Unified CM Release 5.x Perfmon Counters Partition % CPU Time Read Kbytes Per Sec Write Kbytes Per Sec Queue Length Used Mbytes Total Mbytes % Used OL-22523-01 Cisco Unified Communications Manager Managed Services Guide 3-19
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