You might want to remove the empty query from the ZAPI call...for example, this works and returns the expected values:
<netapp xmlns="http://www.netapp.com/filer/admin" version="1.30">
<perf-object-instance-list-info-iter>
<objectname>volume</objectname>
</perf-object-instance-list-info-iter>
</netapp>
But this does not...it returns no values:
<netapp xmlns="http://www.netapp.com/filer/admin" version="1.30">
<perf-object-instance-list-info-iter>
<objectname>volume</objectname>
<filter-data></filter-data>
<max-records>500</max-records>
<tag></tag>
<query>
<instance-info>
<name></name>
<uuid></uuid>
</instance-info>
</query>
<desired-attributes>
<instance-info>
<name></name>
<uuid></uuid>
</instance-info>
</desired-attributes>
</perf-object-instance-list-info-iter>
</netapp>
Hope that helps.
Andrew
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