When a datanode experiences power loss, it can come back up with truncated replicas (due to local FS journal replay). Those replicas should not be allowed to truncate the block during block synchronization if there are other replicas from DNs that have not restarted.
|Status||Resolved [ 5 ]||Closed [ 6 ]|
|Fix Version/s||0.20-append [ 12315103 ]|
|Status||Open [ 1 ]||Resolved [ 5 ]|
|Hadoop Flags||Reviewed [ 10343 ]|
|Resolution||Fixed [ 1 ]|
|Fix Version/s||0.20.205.0 [ 12316392 ]|