Could you double check that your datanodes are using the correct mount point?
Thanks, Olivier ------ Olivier Renault Solution Engineer Mobile: +44 7500 933 036 On Tue, Nov 3, 2015 at 1:45 AM -0800, "Adaryl "Bob" Wakefield, MBA" <adaryl.wakefi...@hotmail.com<mailto:adaryl.wakefi...@hotmail.com>> wrote: Why is there such a large discrepancy between what is reported and my actual disk size? B. From: Olivier Renault<mailto:orena...@hortonworks.com> Sent: Tuesday, November 03, 2015 3:01 AM To: user@ambari.apache.org<mailto:user@ambari.apache.org> ; user@ambari.apache.org<mailto:user@ambari.apache.org> Subject: Re: HDFS disk usage It reports the space available for HDFS. Thanks, Olivier On Mon, Nov 2, 2015 at 11:57 PM -0800, "Adaryl "Bob" Wakefield, MBA" <adaryl.wakefi...@hotmail.com<mailto:adaryl.wakefi...@hotmail.com>> wrote: On the dashboard, what exactly is HDFS disk usage reporting? The numbers I'm seeing are WAY less than the total disk space on my cluster. B.