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From "James Strachan" <james.strac...@gmail.com>
Subject Re: Shared File System Master Slave with OCFS
Date Fri, 18 May 2007 08:53:38 GMT
On 5/18/07, James Strachan <james.strachan@gmail.com> wrote:
> On 5/17/07, felipera <foliveira@livedatagroup.com> wrote:
> > Hi everyone,
> >
> > I am trying to setup two MQ Servers (4.1.1), sharing the same data directory
> > (I tried Derby and Kaha), on top of OCFS, but the locking doesn't seem to be
> > working. It works fine when both MQs are running on the same server (still
> > using OCFS). I see the second MQ waiting for the lock to be released
> > ("Journal is locked... waiting 10 seconds for the journal to be unlocked.").
> > That's why I am not sure if it's a OCFS issue. But when I run each MQ in
> > separate boxes (still sharing the same data directory using OCFS) it doesn't
> > work, they both start successfully.
>
> This is the OCFS you're talking about right?
> http://en.wikipedia.org/wiki/OCFS2

Actually OCFS2 seems more like a real distributed file system for
general purpose use; the OCFS looks more specifically for using to
host oracle data tables. Am wondering how good the file locking is on
OCFS? Certainly its clear the mutex file locking from Java isn't
supported on OCFS.

-- 
James
-------
http://macstrac.blogspot.com/

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