project created HDFS-4425:
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Summary: NameNode low on available disk space
Key: HDFS-4425
URL: https://issues.apache.org/jira/browse/HDFS-4425
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Reporter: project
Hi,
Namenode switches into safemode when it has low disk space on the root fs / i
have to manually run a command to leave it. Below are log messages for low
space on root / fs. Is there any parameter so that i can reduce reserved amount.
2013-01-21 01:22:52,217 WARN
org.apache.hadoop.hdfs.server.namenode.NameNodeResourceChecker: Space available
on volume '/dev/mapper/vg_lv_root' is 10653696, which is below the configured
reserved amount 104857600
2013-01-21 01:22:52,218 WARN
org.apache.hadoop.hdfs.server.namenode.FSNamesystem: NameNode low on available
disk space. Entering safe mode.
2013-01-21 01:22:52,218 INFO org.apache.hadoop.hdfs.StateChange: STATE* Safe
mode is ON.
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