[HADOOP-163] If a DFS datanode cannot write onto its file system. it should tell the name node not to assign new blocks to it.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.2.0
• Fix Version/s: 0.3.0
• Assignee: Hairong Kuang
• Reporter: Runping Qi
• Created: 25/Apr/06 04:52
• Updated: 08/Jul/09 16:41
• Resolved: 27/May/06 05:42

Description

I observed that sometime, if a file of a data node is not mounted properly, it may not be writable. In this case, any data writes will fail. The name node should stop assigning new blocks to that data node. The webpage should show that node is in an abnormal state.

Issue Links

• relates to: HADOOP-1200 Datanode should periodically do a disk check