+ Running data query [2].
+ Found type = '3' [snmp query].
+ Found data query XML file at '/usr/local/share/cacti/resource/snmp_queries/net-snmp_disk.xml'
+ XML file parsed ok.
+ Executing SNMP walk for list of indexes @ '.1.3.6.1.4.1.2021.9.1.1'
+ No SNMP data returned
+ Found data query XML file at '/usr/local/share/cacti/resource/snmp_queries/net-snmp_disk.xml'
+ Found data query XML file at '/usr/local/share/cacti/resource/snmp_queries/net-snmp_disk.xml'
+ Found data query XML file at '/usr/local/share/cacti/resource/snmp_queries/net-snmp_disk.xml'