From owner-freebsd-stable Thu Jun 17 10: 8:26 1999 Delivered-To: freebsd-stable@freebsd.org Received: from flood.ping.uio.no (flood.ping.uio.no [129.240.78.31]) by hub.freebsd.org (Postfix) with ESMTP id 5ABC114E9D for ; Thu, 17 Jun 1999 10:08:17 -0700 (PDT) (envelope-from des@flood.ping.uio.no) Received: (from des@localhost) by flood.ping.uio.no (8.9.3/8.9.1) id TAA24139; Thu, 17 Jun 1999 19:08:08 +0200 (CEST) (envelope-from des) To: chad@DCFinc.com Cc: mike@smith.net.au (Mike Smith), jedgar@fxp.org, sec@42.org, freebsd-stable@FreeBSD.ORG Subject: Re: / not properly unmounted ? References: <199906171700.KAA29113@freeway.dcfinc.com> From: Dag-Erling Smorgrav Date: 17 Jun 1999 19:08:07 +0200 In-Reply-To: "Chad R. Larson"'s message of "Thu, 17 Jun 1999 10:00:25 -0700 (MST)" Message-ID: Lines: 17 X-Mailer: Gnus v5.5/Emacs 19.34 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG "Chad R. Larson" writes: > As I recall, Mike Smith wrote: > > > The first complaint was that the power-down was catching disk stuff > > > still in cache. Setting an arbitrary delay on the way down seems > > > inefficient at best, and possibly not sufficient. How about instead > > > just making sure all buffers are flushed before the power-down is > > > allowed to to occur, however long that takes? > > You can't do this, because it's the _disk_ that holds the cached data. > Ok, I missed something in the original post? He's using some kind > of caching (or RAID) controller? No, he's using a Plain Old Disk Drive with a quarter-meg or half-meg onboard cache. DES -- Dag-Erling Smorgrav - des@flood.ping.uio.no To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message