[HDFS-7722] DataNode#checkDiskError should also remove Storage when error is found.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.6.0
• Fix Version/s: 2.7.0
• Component/s: datanode
• Target Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Lei (Eddy) Xu
• Reporter: Lei (Eddy) Xu
• Created: 31/Jan/15 01:22
• Updated: 10/Apr/15 20:29
• Resolved: 12/Mar/15 19:40

Description

When DataNode#checkDiskError found disk errors, it removes all block metadatas from FsDatasetImpl. However, it does not removed the corresponding DataStorage and BlockPoolSliceStorage.

The result is that, we could not directly run reconfig to hot swap the failure disks without changing the configure file.