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Date: Wed, 22 Sep 2010 14:00:12 +0100
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From: Martin Simmons <martin@lispworks.com>
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	(message from David Brodbeck on Tue, 21 Sep 2010 15:38:22 -0700)
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Subject: Re: what happens to pool if ZIL dies on ZFS v14
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>>>>> On Tue, 21 Sep 2010 15:38:22 -0700, David Brodbeck said:
> 
> If you don't have a separate log device, synchronous writes are very
> slow with the ZIL enabled.  This isn't such a big deal unless you're
> using NFS, where essentially every write is synchronous.

Is that true for all versions of NFS?  In my experience (on 8.0-RELEASE),
NFSv2 is indeed synchronous, but NFSv3 does asynchronous flushing (for a
variety of different client OSes).

__Martin