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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-1849) Respect failed.volumes.tolerated on startup
Date Thu, 21 Apr 2011 16:36:05 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1849?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Eli Collins resolved HDFS-1849.

    Resolution: Duplicate

This is a dupe of HDFS-1592.

> Respect failed.volumes.tolerated on startup
> -------------------------------------------
>                 Key: HDFS-1849
>                 URL: https://issues.apache.org/jira/browse/HDFS-1849
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node
>            Reporter: Eli Collins
>             Fix For: 0.23.0
> The current failed.volumes.tolerated behavior is not user friendly, datanodes can be
configured to tolerate N volume failures and still offer service, but if the cluster is restarted
all the datanodes with failed volumes will not start unless the failed volumes have been removed
from the hdfs configuration files on the respective hosts.
> The failed.volumes.tolerated configuration option should be respected on startup. The
datanode should only refuse to startup if more than failed.volumes.tolerated (HDFS-1161) have
failed, or if a configured critical volume (HDFS-1848) has failed (which is probably not an
issue in practice since dn startup probably fails eg if the root volume has gone readonly).

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