https://community.cloudera.com/t5/Support-Questions/quot-Pending-Deletion-Blocks-276861-quot-What-does-this-mean/m-p/212100#M174039 <A rel="user" href="https://community.cloudera.com/users/14345/sreekuppa.html" nodeid="14345">@kskp</A><P>This is a strange problem. I would check the following things.</P><P>1. Check if anyone has done a massive delete operation?</P><P>2. Did you mount a disk with data already -- that is a set of data blocks pull out from some other machine/cluster?</P><P>3. Please keep the cluster in safe mode, till you puzzle out what happened.</P> Fri, 01 Dec 2017 02:54:39 GMT aengineer 2017-12-01T02:54:39Z