[HDFS-9034] "StorageTypeStats" Metric should not count failed storage.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8.0, 2.9.0, 3.0.0-alpha2
• Component/s: namenode
• Target Version/s: 2.8.0
• Hadoop Flags: Reviewed
• Assignee: Surendra Singh Lilhore
• Reporter: Archana T
• Created: 08/Sep/15 04:39
• Updated: 22/Jul/24 06:25
• Resolved: 22/Dec/15 23:35

Description

When we remove one storage type from all the DNs, still NN UI shows entry of those storage type –

Ex:for ARCHIVE
Steps--
1. ARCHIVE Storage type was added for all DNs
2. Stop DNs
3. Removed ARCHIVE Storages from all DNs
4. Restarted DNs

NN UI shows below –

DFS Storage Types
Storage Type Configured Capacity Capacity Used Capacity Remaining
ARCHIVE 57.18 GB 64 KB (0%) 39.82 GB (69.64%) 64 KB 1

Issue Links

• breaks: HDFS-9602 TestReplicationPolicyConsiderLoad.testChooseTargetWithDecomNodes failed on trunk
• breaks: HDFS-9597 BaseReplicationPolicyTest should update data node stats after adding a data node
• is related to: HDFS-7483 Display information per tier on the Namenode UI
• is related to: HDFS-17587 "StorageTypeStats" Metric should not include decommissioned/in-maintenance nodes
• relates to: HDFS-7390 Provide JMX metrics per storage type