[HDFS-2111] Add tests for ensuring that the DN will start with a few bad data directories (Part 1 of testing DiskChecker)

• Type: Test
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.0
• Fix Version/s: 0.23.0
• Component/s: datanode, test
• Labels: test
• Hadoop Flags: Reviewed
• Assignee: Harsh J
• Reporter: Harsh J
• Created: 28/Jun/11 16:31
• Updated: 15/Nov/11 00:53
• Resolved: 08/Jul/11 00:16

Description

Add tests to ensure that given multiple data dirs, if a single is bad, the DN should still start up.

This is to check DiskChecker's functionality used in instantiating DataNodes

Issue Links

• relates to: HDFS-2137 Datanode Disk Fail Inplace
• relates to: HADOOP-7431 Test DiskChecker's functionality in identifying bad directories (Part 2 of testing DiskChecker)