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HDFS-6024. Test whether the NN will reject the downgrade if it has a fsimage from a newer release. Contributed by Haohui Mai. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5535@1572338 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jing Zhao 2014-02-26 23:20:42 +00:00
parent ccf0744243
commit aee7b449e2
2 changed files with 3 additions and 38 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES_HDFS-5535.txt
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@ -111,3 +111,6 @@ HDFS-5535 subtasks:
HDFS-6023. Test whether the standby NN continues to checkpoint after the
prepare stage. (Haohui Mai via jing9)
HDFS-6024. Test whether the NN will reject the downgrade if it has a
fsimage from a newer release. (Haohui Mai via jing9)

38
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgrade.java
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@ -347,44 +347,6 @@ public class TestRollingUpgrade {
}
}
@Test
public void testDowngrade() throws Exception {
final Configuration conf = new HdfsConfiguration();
MiniQJMHACluster cluster = null;
final Path foo = new Path("/foo");
final Path bar = new Path("/bar");
try {
cluster = new MiniQJMHACluster.Builder(conf).build();
MiniDFSCluster dfsCluster = cluster.getDfsCluster();
dfsCluster.waitActive();
dfsCluster.transitionToActive(0);
DistributedFileSystem dfs = dfsCluster.getFileSystem(0);
dfs.mkdirs(foo);
// start rolling upgrade
RollingUpgradeInfo info = dfs
.rollingUpgrade(RollingUpgradeAction.PREPARE);
Assert.assertTrue(info.isStarted());
dfs.mkdirs(bar);
dfs.close();
dfsCluster.restartNameNode(0, true, "-rollingUpgrade", "downgrade");
// shutdown NN1
dfsCluster.shutdownNameNode(1);
dfsCluster.transitionToActive(0);
dfs = dfsCluster.getFileSystem(0);
Assert.assertTrue(dfs.exists(foo));
Assert.assertTrue(dfs.exists(bar));
} finally {
if (cluster != null) {
cluster.shutdown();
}
}
}
@Test (timeout = 300000)
public void testFinalize() throws Exception {
final Configuration conf = new HdfsConfiguration();