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https://issues.apache.org/jira/browse/HDFS-15170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17246938#comment-17246938
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Ayush Saxena commented on HDFS-15170:
-------------------------------------
{quote}this line is not needed if
dfs.namenode.corrupt.block.delete.immediately.enabled is true?
{quote}
Yes, I should have updated this, It would be redundant to remove here. This
block should execute only if
{{dfs.namenode.corrupt.block.delete.immediately.enabled}} is false.
{quote}b.getStored() is the internal block whereas corrupt is the EC block
group id
{quote}
Should I update to :
{code:java}
// If the block is an EC block, the whole block group is marked
+ // corrupted, so if this block is getting deleted, remove the block
+ // from corrupt replica map explicitly, since removal of the
+ // block from corrupt replicas may be delayed if the blocks are on
+ // stale storage due to failover or any other reason.
{code}
> EC: Block gets marked as CORRUPT in case of failover and pipeline recovery
> --------------------------------------------------------------------------
>
> Key: HDFS-15170
> URL: https://issues.apache.org/jira/browse/HDFS-15170
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: erasure-coding
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Critical
> Attachments: HDFS-15170-01.patch, HDFS-15170-02.patch,
> HDFS-15170-03.patch
>
>
> Steps to Repro :
> 1. Start writing a EC file.
> 2. After more than one stripe has been written, stop one datanode.
> 3. Post pipeline recovery, keep on writing the data.
> 4.Close the file.
> 5. transition the namenode to standby and back to active.
> 6. Turn on the shutdown datanode in step 2
> The BR from datanode 2 will make the block corrupt and during invalidate
> block won't remove it, since post failover the blocks would be on stale
> storage.
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