Dell Brocade 6520 Fabric Watch Administrator's Guide Supporting Fabric OS v7.1 - Page 98
System monitoring using the sysMonitor command, Using the nosave command
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8 System monitoring using the sysMonitor command System monitoring using the sysMonitor command Use the sysMonitor command to configure temperature and system resource settings at the chassis level. For detailed information about the sysMonitor command, refer to the Fabric OS Command Reference Manual. The following operations are supported by the sysMonitor command: • Configure thresholds for Fabric Watch event monitoring and reporting for the environment and resource classes. Environment thresholds enable temperature monitoring, and resource thresholds enable monitoring of flash memory. Configuration changes are saved persistently to non-volatile storage, but the changes do not take effect until you execute --apply. The --apply option allows you to toggle between default settings and your own saved custom configuration and to apply actions and thresholds separately. • Configure memory or CPU usage parameters on the switch or display memory or CPU usage. Configuration options include setting usage thresholds which, if exceeded, trigger a set of specified Fabric Watch alerts. You can set up the system monitor to poll at certain intervals and specify the number of retries required before Fabric Watch takes action. Configuring thresholds for CPU and memory does not follow the transaction model of the typical Fabric Watch command. The --apply and --cancel options are not valid in this context. When the system crosses any of the limits, SNMP, RASlog, e-mail (or all) messages are generated. Flash and temperature configuration are at the chassis level. To execute this command, you must have chassis-level permission in a virtual fabric (VF) environment. NOTE Spikes in memory and CPU utilization are normal during the firmware download process and you may see threshold warning messages while the process is running. After the firmware download process has completed, memory and CPU utilization should return to normal. System monitoring is disabled by default. You must run both the --config -mem and the --config -cpu commands to enable both memory and CPU system monitoring. Using the nosave command The nosave command prevents the configuration changes from being saved persistently. This option allows you to make and view changes without overwriting the saved configuration. CAUTION When you use --config with the --nosave option and the switch reboots, your changes are lost. 78 53-1002752-01 Fabric Watch Administrator's Guide