[HADOOP-1262] file corruption detected because dfs client does not use replica blocks for checksum file

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.12.3
• Fix Version/s: 0.13.0
• Assignee: Hairong Kuang
• Reporter: Dhruba Borthakur
• Created: 16/Apr/07 22:26
• Updated: 08/Jul/09 16:42
• Resolved: 26/Apr/07 12:46

Description

A block of a crc file was corrupted. This caused the DFS client to detect a CRc corruption. The client tried all the three replicas of the data file. It did not try any replicas of the CRC file. This caused the client to abort the read request with a bad-CRC message.

07/04/16 20:42:26 INFO fs.FileSystem: Found checksum error in data stream at block=blk_6205660483922449140 on datanode=xx:50010
07/04/16 20:42:26 INFO fs.FileSystem: Found checksum error in checksum stream at block=blk_-3722915954820866561 on datanode=yy:50010

07/04/16 20:42:26 INFO fs.FileSystem: Found checksum error in data stream at block=blk_6205660483922449140 on datanode=zz:50010
07/04/16 20:42:26 INFO fs.FileSystem: Found checksum error in checksum stream at block=blk_-3722915954820866561 on datanode=yy:50010

07/04/16 20:42:26 INFO fs.FileSystem: Found checksum error in data stream at block=blk_6205660483922449140 on datanode=xx.:50010
07/04/16 20:42:26 INFO fs.FileSystem: Found checksum error in checksum stream at block=blk_-3722915954820866561 on datanode=yy:50010