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https://issues.apache.org/jira/browse/HDFS-4462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13572368#comment-13572368
]
Hudson commented on HDFS-4462:
------------------------------
Integrated in Hadoop-Hdfs-0.23-Build #517 (See
[https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/517/])
HDFS-4462. 2NN will fail to checkpoint after an HDFS upgrade from a
pre-federation version of HDFS. (atm) (Revision 1442620)
Result = SUCCESS
tgraves :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1442620
Files :
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Storage.java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/StorageInfo.java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/CheckpointSignature.java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NNStorage.java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSImageTestUtil.java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSecondaryNameNodeUpgrade.java
> 2NN will fail to checkpoint after an HDFS upgrade from a pre-federation
> version of HDFS
> ---------------------------------------------------------------------------------------
>
> Key: HDFS-4462
> URL: https://issues.apache.org/jira/browse/HDFS-4462
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.0.2-alpha
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Fix For: 2.0.3-alpha, 0.23.7
>
> Attachments: HDFS-4462.patch, HDFS-4462.patch, HDFS-4462.patch,
> HDFS-4462.patch, HDFS-4462.patch
>
>
> The 2NN currently has logic to detect when its on-disk FS metadata needs an
> upgrade with respect to the NN's metadata (i.e. the layout versions are
> different) and in this case it will proceed with the checkpoint despite
> storage signatures not matching precisely if the BP ID and Cluster ID do
> match exactly. However, in situations where we're upgrading from versions of
> HDFS prior to federation, which had no BP IDs or Cluster IDs, checkpoints
> will always fail with an error like the following:
> {noformat}
> 13/01/31 17:02:25 ERROR namenode.SecondaryNameNode: checkpoint: Inconsistent
> checkpoint fields.
> LV = -40 namespaceID = 403832480 cTime = 1359680537192 ; clusterId =
> CID-0df6ff22-1165-4c7d-9630-429972a7737c ; blockpoolId =
> BP-1520616013-172.21.3.106-1359680537136.
> Expecting respectively: -19; 403832480; 0; ; .
> {noformat}
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