diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java index 99c0a876d3..7c9e9cbaf6 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java @@ -294,7 +294,8 @@ public class DataNode extends ReconfigurableBase static final int CURRENT_BLOCK_FORMAT_VERSION = 1; public static final int MAX_VOLUME_FAILURE_TOLERATED_LIMIT = -1; - public static final String MAX_VOLUME_FAILURES_TOLERATED_MSG = "should be greater than -1"; + public static final String MAX_VOLUME_FAILURES_TOLERATED_MSG = + "should be greater than or equal to -1"; /** A list of property that are reconfigurable at runtime. */ private static final List RECONFIGURABLE_PROPERTIES = @@ -1405,7 +1406,7 @@ void startDataNode(List dataDirectories, || volFailuresTolerated >= volsConfigured) { throw new DiskErrorException("Invalid value configured for " + "dfs.datanode.failed.volumes.tolerated - " + volFailuresTolerated - + ". Value configured is either greater than -1 or >= " + + ". Value configured is either less than -1 or >= " + "to the number of configured volumes (" + volsConfigured + ")."); } diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml index 7c72af0a18..c187a7d0ce 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml @@ -1281,8 +1281,8 @@ The number of volumes that are allowed to fail before a datanode stops offering service. By default any volume failure will cause a datanode to shutdown. - The range of the value is -1 now, -1 represents the minimum - of volume valids is 1. + The value should be greater than or equal to -1 , -1 represents minimum + 1 valid volume.