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HDFS Corrupt Blockpool With Missing Blocks In The Cluster (Doc ID 1641865.1)

Last updated on JANUARY 30, 2020

Applies to:

Big Data Appliance Integrated Software - Version 2.2.1 and later
Information in this document applies to any platform.

Symptoms

NOTE: In the examples that follow, user details, table name, company name, email, hostnames, etc. represent a fictitious sample (and are used to provide an illustrative example only). Any similarity to actual persons, or entities, living or dead, is purely coincidental and not intended in any manner.

 

Cloudera Manager is raising an alert due to 1 missing block:

The health test result for HDFS_MISSING_BLOCKS has become bad:

1 missing blocks in the cluster.
1,039,267 total blocks in the cluster.
Percentage missing blocks: 0.00%.
Critical threshold: any.


"hdfs fsck /" showed the following file has the affected block:

/hbase/events/48639265c229360ebfa366412fa9f90f/s/2d5051d4b4f844a79562c064ed66194a:

CORRUPT blockpool BP-<BLOCK_ID>-<PRIVATE_IP_HOSTx>-<ID>:blk_<BLOCK_ID>

 

Cause

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In this Document
Symptoms
Cause
Solution


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