[Ocfs2-devel] OCFS2 features RFC - separate journal?

[Daniel Phillips]

Paul Taysom wrote:
>  The performance you might gain from a separate journaling device will
> be very dependent on exactly how the journal is done.  On NSS, the
> Netware journaled file system, we ran experiments with the journal
> turned off (just didn't do the write) and found it had little impact on
> benchmarks like NetBench.  Part of the reason for this is that the
> journal writes were asynchronous to the main flow of the system.  Normal
> operations would normally not ever wait for journal writes.

That is one load.  Did you try NFS with synchronous mount?

Regards,

Daniel