Setting Thresholds for Disk Monitoring: Difference between revisions
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Revision as of 12:31, 15 December 2010
Description
The stats service in the Zimbra Collaboration Suite will monitor disk usage and alert the server admin account when usage on any mounted device hits a certain level. The admin guide reads:
Monitoring Disk Space
You should regularly review your disks capacity and when disks are getting full you should take preventative measures to maintain service. To alert administrators of low disk space, an email notification is sent to the admin account. The default is to send out warning alerts when the threshold reaches 85% and a critical alert when the threshold reaches 95%. You can change these values. Use zmlocalconfig to configure the disk warning thresholds.
• Warning alerts: zmdisklog_warn_threshold
• Critical alert: zmdisklog_critical_threshold
When starting services with zmcontrol, if the threshold is exceeded, a warning is displayed before the services are started. You should clean up your disk to free up space.
Viewing Current Local Configuration Values
Warning and Critical Thresholds
zmlocalconfig zmdisklog_warn_threshold zmlocalconfig zmdisklog_critical_threshold
Admin Notification Account
Source The email address for the "From:" field in admin notifications.
zmlocalconfig smtp_source
Destination The email address for the "To:" field in admin notifications.
zmlocalconfig smtp_destination
Setting Thresholds
Configure disk monitoring thresholds using the '-e' flag for zmlocalconfig. For example, to set warnings to 90% and critical alerts to 98%:
zmlocalconfig -e zmdisklog_warn_threshold=90 zmlocalconfig -e zmdisklog_critical_threshold=98
Restart the Zimbra stat service for the new threshold values to take effect.
zmstatctl stop zmstatctl start
Setting Interval
By default, zmstat-disk will run every 10 minutes and an e-mail will be sent to the admin account defined in smtp_destination. You can configure a new value by changing local variable zmstat_disk_interval with zmlocalconfig:
zmlocalconfig -e zmstat_disk_interval=3600
The default is 600 seconds. A zmstatctl stop/start is required.