Amit Anand created HDFS-10664:
---------------------------------
Summary: layoutVersion mismatch between Namenode VERSION file and
Journalnode VERSION file after cluster upgrade
Key: HDFS-10664
URL: https://issues.apache.org/jira/browse/HDFS-10664
Project: Hadoop HDFS
Issue Type: Bug
Components: ha, hdfs
Affects Versions: 2.7.1
Reporter: Amit Anand
After a cluster is upgraded I see a mismatch in {{layoutVersion}} between NN
VERSION file and JN VERSION file.
Here is what I see:
Before cluster upgrade:
==================
{code}
## Version file from NN current directory
namespaceID=109645726
clusterID=CID-edcb62c5-bc1f-49f5-addb-37827340b5de
cTime=0
storageType=NAME_NODE
blockpoolID=BP-786201894-10.0.100.11-1466026941507
layoutVersion=-60
{code}
{code}
## Version file from JN current directory
namespaceID=109645726
clusterID=CID-edcb62c5-bc1f-49f5-addb-37827340b5de
cTime=0
storageType=JOURNAL_NODE
layoutVersion=-60
{code}
After cluster upgrade:
=================
{code}
## Version file from NN current directory
namespaceID=109645726
clusterID=CID-edcb62c5-bc1f-49f5-addb-37827340b5de
cTime=0
storageType=NAME_NODE
blockpoolID=BP-786201894-10.0.100.11-1466026941507
layoutVersion=-63
{code}
{code}
## Version file from JN current directory
namespaceID=109645726
clusterID=CID-edcb62c5-bc1f-49f5-addb-37827340b5de
cTime=0
storageType=JOURNAL_NODE
layoutVersion=-60
{code}
Since {{Namenode}} is what creates {{Journalnode}} {{VERSION}} file during
{{initializeSharedEdits}}, it should also update the file with correct
information after the cluster is upgrade and {{hdfs dfsadmin -finalizeUpgrade}}
has been executed.
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