Date: Mon, 17 Nov 1997 13:16:20 -0500 (EST) From: Greg Hormann <ghormann@nix.kconline.com> To: questions@freebsd.org Subject: Re: async fs? Message-ID: <Pine.BSI.3.95.971117131018.4448A-100000@wawasee.read.indiana.edu> In-Reply-To: <199711171723.MAA28442@earth.mat.net>
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> Are you aware that losing your system while you are running async is > usually fairly safe (often you lose no files, or if you were very busy > doing disk activity, maybe a few), but if you are mounted async, you > could possibly lose much, much more? It'll certainly increase > performance, but you'd better be willing to pay the price. What *exactly* does async do? Does async I/O just mean that Meta data is not immediately written to disk? I assume that FBSD buffers data, but writes Meta data to disk immediately like most Unix file systems. Greg.
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