[HADOOP-1855] fsck should verify block placement

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.14.2
• Fix Version/s: 0.16.0
• Assignee: Konstantin Shvachko
• Reporter: Dhruba Borthakur
• Created: 06/Sep/07 22:37
• Updated: 08/Jul/09 16:42
• Resolved: 19/Oct/07 04:57

Description

fsck currently detects missing and under-replicated blocks. It would be helpful if it can also detect blocks that do not conform to the block placement policy. An administrator can use this tool to verify that blocks are distributed across racks.