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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2118) Provide failure modes if issues with the underlying filesystem of a node
Date Wed, 01 Aug 2012 22:46:03 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13426973#comment-13426973
] 

Aleksey Yeschenko commented on CASSANDRA-2118:
----------------------------------------------

Regarding the second option (halting on error) - would it be best to stop the gossiper and
rpc server (as the original patch does) or to actually terminate the process (to allow tools
like pacemaker/god notice the failure)?
                
> Provide failure modes if issues with the underlying filesystem of a node
> ------------------------------------------------------------------------
>
>                 Key: CASSANDRA-2118
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2118
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Core
>            Reporter: Chris Goffinet
>            Assignee: Aleksey Yeschenko
>             Fix For: 1.2
>
>         Attachments: 0001-Provide-failure-modes-if-issues-with-the-underlying-.patch,
0001-Provide-failure-modes-if-issues-with-the-underlying-v2.patch, 0001-Provide-failure-modes-if-issues-with-the-underlying-v3.patch
>
>
> CASSANDRA-2116 introduces the ability to detect FS errors. Let's provide a mode in cassandra.yaml
so operators can decide that in the event of failure what to do:
> 1) standard - means continue on all errors (default)
> 2) read - means only stop  gossip/rpc server if 'reads' fail from drive, writes can fail
but not kill gossip/rpc server
> 3) readwrite - means stop gossip/rpc server if any read or write errors.

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