diff --git a/CHANGELOG b/CHANGELOG
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+2016-05-31  initial release
+2018-03-08  changed snmp scan function
+2018-03-13  code cleanup
+2018-03-15  more code cleanup
+2020-06-08  changed snmp-scan function
+2020-11-10  removed perfdata
+            added wato option to configure 'ignore disks'. For example on the Smart-1 5150 (Array has 12 Disks,
+            but only 6 Disks are in the default hardware