I am unable to delete corrupt files present in my HDFS. Namenode has run into Safe mode. Total number of blocks are 980, out of which 978 have reported. When I run the following command, sudo -u hdfs hdfs dfsadmin -report The report generated is, Safe mode is ON Configured Capacity: 58531520512 (54.51 GB) Present Capacity: 35774078976 (33.32 GB) DFS Remaining: 32374509568 (30.15 GB) DFS Used: 3399569408 (3.17 GB) DFS Used%: 9.50% Under replicated blocks: 0 Blocks with corrupt replicas: 0 Missing blocks: 0 Missing blocks (with replication factor 1): 0 ------------------------------------------------- Live datanodes (1): Name: 10.0.2.15:50010 (quickstart.cloudera) Hostname: quickstart.cloudera Decommission Status : Normal Configured Capacity: 58531520512 (54.51 GB) DFS Used: 3399569408 (3.17 GB) Non DFS Used: 19777388544 (18.42 GB) DFS Remaining: 32374509568 (30.15 GB) DFS Used%: 5.81% DFS Remaining%: 55.31% Configured Cache Capacity: 0 (0 B) Cache Used: 0 (0 B) Cache Remaining: 0 (0 B) Cache Used%: 100.00% Cache Remaining%: 0.00% Xceivers: 2 Last contact: Tue Nov 14 10:39:58 IST 2017 And for the following command when executed, sudo -u hdfs hdfs fsck / The output is, Connecting to namenode via http://quickstart.cloudera:50070/fsck?ugi=hdfs&path=%2F FSCK started by hdfs (auth:SIMPLE) from /10.0.2.15 for path / at Tue Nov 14 10:41:25 IST 2017 /hbase/oldWALs/quickstart.cloudera%2C60020%2C1509698296866.default.1509701903728: CORRUPT blockpool BP-1914853243-127.0.0.1-1500467607052 block blk_1073743141 /hbase/oldWALs/quickstart.cloudera%2C60020%2C1509698296866.default.1509701903728: MISSING 1 blocks of total size 83 B.. /hbase/oldWALs/quickstart.cloudera%2C60020%2C1509698296866.meta.1509701932269.meta: CORRUPT blockpool BP-1914853243-127.0.0.1-1500467607052 block blk_1073743142 /hbase/oldWALs/quickstart.cloudera%2C60020%2C1509698296866.meta.1509701932269.meta: MISSING 1 blocks of total size 83 B Status: CORRUPT Total size: 3368384392 B (Total open files size: 166 B) Total dirs: 286 Total files: 966 Total symlinks: 0 (Files currently being written: 3) Total blocks (validated): 980 (avg. block size 3437126 B) (Total open file blocks (not validated): 2) ******************************** UNDER MIN REPL'D BLOCKS: 2 (0.20408164 %) dfs.namenode.replication.min: 1 CORRUPT FILES: 2 MISSING BLOCKS: 2 MISSING SIZE: 166 B CORRUPT BLOCKS: 2 ******************************** Minimally replicated blocks: 978 (99.79592 %) Over-replicated blocks: 0 (0.0 %) Under-replicated blocks: 0 (0.0 %) Mis-replicated blocks: 0 (0.0 %) Default replication factor: 1 Average block replication: 0.9979592 Corrupt blocks: 2 Missing replicas: 0 (0.0 %) Number of data-nodes: 1 Number of racks: 1 FSCK ended at Tue Nov 14 10:41:26 IST 2017 in 774 milliseconds The filesystem under path '/' is CORRUPT Can anyone please help in either correcting the corrupted blocks, (or) deleting them? Thanks in advance. ... View more