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HDFS-6003. Add the new -rollingUpgrade startup option to the namenode usage message. Contributed by Vinayakumar B 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5535@1571596 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2014-02-25 07:50:38 +00:00
parent 98db64dd49
commit 2c8a6f5712
2 changed files with 9 additions and 0 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES_HDFS-5535.txt
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@ -85,3 +85,6 @@ HDFS-5535 subtasks:
HDFS-5583. Make DN send an OOB Ack on shutdown before restarting. (kihwal)
HDFS-5778. Add rolling upgrade user document. (szetszwo)
HDFS-6003. Add the new -rollingUpgrade startup option to the namenode
usage message. (Vinayakumar B via szetszwo)

6
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
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@ -21,6 +21,7 @@
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.HadoopIllegalArgumentException;
@ -40,6 +41,7 @@
import org.apache.hadoop.hdfs.protocol.ClientProtocol;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NamenodeRole;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.RollingUpgradeStartupOption;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption;
import org.apache.hadoop.hdfs.server.namenode.ha.*;
import org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics;
@ -64,6 +66,7 @@
import org.apache.hadoop.util.StringUtils;
import javax.management.ObjectName;
import java.io.IOException;
import java.io.PrintStream;
import java.net.InetSocketAddress;
@ -205,6 +208,9 @@ public static enum OperationCategory {
" [" + StartupOption.CLUSTERID.getName() + " cid]" +
" [" + StartupOption.RENAMERESERVED.getName() + "<k-v pairs>] ] | ["
+ StartupOption.ROLLBACK.getName() + "] | ["
+ StartupOption.ROLLINGUPGRADE.getName() + " <"
+ RollingUpgradeStartupOption.DOWNGRADE.name().toLowerCase() + "|"
+ RollingUpgradeStartupOption.ROLLBACK.name().toLowerCase() + "> ] | ["
+ StartupOption.FINALIZE.getName() + "] | ["
+ StartupOption.IMPORT.getName() + "] | ["
+ StartupOption.INITIALIZESHAREDEDITS.getName() + "] | ["