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From "Kirk True (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4848) Expose black-listed directories via JMX
Date Sat, 10 Nov 2012 01:23:12 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13494490#comment-13494490
] 

Kirk True commented on CASSANDRA-4848:
--------------------------------------

Added a BlacklistedDirectoriesMBean that allows for retrieving the set of unreadable and unwritable
directories.
                
> Expose black-listed directories via JMX
> ---------------------------------------
>
>                 Key: CASSANDRA-4848
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4848
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.2.0 beta 1
>            Reporter: Kirk True
>            Assignee: Kirk True
>            Priority: Minor
>              Labels: lhf
>             Fix For: 1.2.0 rc1
>
>         Attachments: trunk-4848.txt
>
>
> JBOD support included failure modes (CASSANDRA-2118) that insert directories on bad disks
to the {{BlacklistedDirectories}} class. However, it doesn't appear that the list of directories
is exposed to administrators via JMX or other means. So unless they're scouring the logs or
being notified at the OS level, they will remain unaware of the issue.

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