DN volume failures on startup are not counted

Key: HDFS-2186
URL: https://issues.apache.org/jira/browse/HDFS-2186
Project: Hadoop HDFS
Issue Type: Bug
Components: data-node
Reporter: Eli Collins
Fix For: 0.23.0

Volume failures detected on startup are not currently counted/reported as such. Eg if you have configured 4 volumes, 2 tolerated failures, and you start a DN with two failed volumes it will come up and report (to the NN) no failed volumes. The DN will still be able to tolerate 2 additional volume failures (ie it's OK with no valid volumes remaining). The intent of the volume failure toleration config value is that if more than this # of volumes of the total set of configured volumes have failed the DN should shutdown, therefore volume failures detected on startup should count against this quota.

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postedJul 22, '11 at 7:25a
activeJul 22, '11 at 7:25a

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Eli Collins (JIRA): 1 post



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