Re: O_DSYNC broken on MacOS X?

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Greg Stark <gsstark(at)mit(dot)edu>, "A(dot)M(dot)" <agentm(at)themactionfaction(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: O_DSYNC broken on MacOS X?
Date: 2010-10-25 16:51:26
Message-ID: 1288025486.6278.1.camel@vanquo.pezone.net
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On mån, 2010-10-25 at 09:33 -0400, Robert Haas wrote:
> It seems we're still missing some relevant details, because hdparm
> doesn't seem to work on SCSI devices. Is sdparm the right utility in
> that case? Does anyone know what the correct incantations look like?

Search the sdparm man page for "Writeback Cache". It has detailed
examples.

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