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HDFS-7875. Improve log message when wrong value configured for dfs.datanode.failed.volumes.tolerated. Contributed by Nijel. 

(cherry picked from commit 2da3d2ed2ff2e9b48dbda7e029aa58261c729d35)
This commit is contained in:
Harsh J 2015-03-24 23:03:30 +05:30
parent 95bde88986
commit 608ad6c2cd
2 changed files with 8 additions and 2 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -8,6 +8,10 @@ Release 2.8.0 - UNRELEASED
IMPROVEMENTS IMPROVEMENTS
HDFS-7875. Improve log message when wrong value configured for
dfs.datanode.failed.volumes.tolerated.
(nijel via harsh)
HDFS-2360. Ugly stacktrace when quota exceeds. (harsh) HDFS-2360. Ugly stacktrace when quota exceeds. (harsh)
HDFS-7835. make initial sleeptime in locateFollowingBlock configurable for HDFS-7835. make initial sleeptime in locateFollowingBlock configurable for

6
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
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@ -278,8 +278,10 @@ public LengthInputStream getMetaDataInputStream(ExtendedBlock b)
this.validVolsRequired = volsConfigured - volFailuresTolerated; this.validVolsRequired = volsConfigured - volFailuresTolerated;
if (volFailuresTolerated < 0 || volFailuresTolerated >= volsConfigured) { if (volFailuresTolerated < 0 || volFailuresTolerated >= volsConfigured) {
throw new DiskErrorException("Invalid volume failure " throw new DiskErrorException("Invalid value configured for "
+ " config value: " + volFailuresTolerated); + "dfs.datanode.failed.volumes.tolerated - " + volFailuresTolerated
+ ". Value configured is either less than 0 or >= "
+ "to the number of configured volumes (" + volsConfigured + ").");
} }
if (volsFailed > volFailuresTolerated) { if (volsFailed > volFailuresTolerated) {
throw new DiskErrorException("Too many failed volumes - " throw new DiskErrorException("Too many failed volumes - "