Hello twakky, The alert system has a long list of events triggered by a variety of conditions.  You can review a list of events on our Event Reference guide on support.emc.com.  Here's a direct link to the document:  [URL]  Within there, the Monthly Status alert is noted as follows: Monthly status. This alert is generated once each month to provide general cluster information. The message is informational only. Administrator response: No action is required. You can cancel or quiet the alert by typing the following commands at the command line: isi alerts cancel  isi alerts quiet  If you have any questions or need additional information, contact EMC Isilon Technical Support.
Hello ALL  We can see following output at the beginning of every month.  I found that celog_send_events.py send event every month as following. But I cannot find another behavior at that time.   # Monthly cluster status notification 0       0       1 *       *       root isi_ropc /usr/bin/isi_celog/celog_send_events.py -l info 400090001   Does anyone know the function of "Monthly Status"? any script run on Isilon cluster?  # isi events show -w -i 3.95           ID: 3.95         Type: 400090001     Severity: info        Value: 0.0      Message: Monthly status         Node: All     Lifetime: Mon Jun  1 00:00:00 2015 - Fri Jun  5 12:08:51 2015      Quieted: Fri Jun  5 12:08:51 2015   Specifiers: devid: 1               lnn: 1               val: 0.0
Monthly Status