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Xiaoqiao He commented on HDFS-17003: ------------------------------------ cherry-pick to branch-3.3. > Erasure Coding: invalidate wrong block after reporting bad blocks from > datanode > ------------------------------------------------------------------------------- > > Key: HDFS-17003 > URL: https://issues.apache.org/jira/browse/HDFS-17003 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Reporter: farmmamba > Assignee: farmmamba > Priority: Critical > Labels: pull-request-available > Fix For: 3.4.0, 3.3.6 > > > After receiving reportBadBlocks RPC from datanode, NameNode compute wrong > block to invalidate. It is a dangerous behaviour and may cause data loss. > Some logs in our production as below: > > NameNode log: > {code:java} > 2023-05-08 21:23:49,112 INFO org.apache.hadoop.hdfs.StateChange: *DIR* > reportBadBlocks for block: > BP-932824627-xxxx-1680179358678:blk_-9223372036848404320_1471186 on datanode: > datanode1:50010 > 2023-05-08 21:23:49,183 INFO org.apache.hadoop.hdfs.StateChange: *DIR* > reportBadBlocks for block: > BP-932824627-xxxx-1680179358678:blk_-9223372036848404319_1471186 on datanode: > datanode2:50010{code} > datanode1 log: > {code:java} > 2023-05-08 21:23:49,088 WARN > org.apache.hadoop.hdfs.server.datanode.VolumeScanner: Reporting bad > BP-932824627-xxxx-1680179358678:blk_-9223372036848404320_1471186 on > /data7/hadoop/hdfs/datanode > 2023-05-08 21:24:00,509 INFO > org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl: Failed > to delete replica blk_-9223372036848404319_1471186: ReplicaInfo not > found.{code} > > This phenomenon can be reproduced. -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org