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https://issues.apache.org/jira/browse/ARTEMIS-1108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15966025#comment-15966025
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ASF subversion and git services commented on ARTEMIS-1108:
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Commit f07e592a66eceaadb81f2426f901bd692472cfbb in activemq-artemis's branch
refs/heads/1.x from [~bgutjahr]
[ https://git-wip-us.apache.org/repos/asf?p=activemq-artemis.git;h=f07e592 ]
ARTEMIS-1108: Removed AIOFileLockManager
AIOFileLockManager doesn't work on NFS-mounted share store directories.
Since the GFS2 bug https://bugzilla.redhat.com/show_bug.cgi?id=678585
has been fixed end of 2011, the class AIOFileLockManager is no longer needed
and I have removed it.
(cherry picked from commit 557f02ba4d721620e53ae1a45cb879d653e4fab2)
> Shared-store with AIO fails to lock lockfile on NFS shares
> ----------------------------------------------------------
>
> Key: ARTEMIS-1108
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1108
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 1.5.4, 2.0.0
> Environment: Linux with NFS-mounted shared-store directory
> Reporter: Bernd Gutjahr
> Priority: Minor
>
> When we setup shared-store backup servers with the shared store path pointed
> to an NFS-mounted directory, file locking didn't work until we disabled AIO
> and used NIO instead. Although NFS is not recommended and we don't want to
> use in production, we wanted to use NFS in some test or demo setups just for
> simplicity.
> As it turned out, the reason why it doesn't work with AIO is that flock is
> used instead of lockf. According to the code comments, the class
> AIOFileLockNodeManager had been added due to a GFS2 bug,
> https://bugzilla.redhat.com/show_bug.cgi?id=678585. But that GFS2 bug has
> already been fixed more than 5 years ago, end of 2011. So I think it would be
> time to remove the flock-based workaround.
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