Date: Tue, 27 Jul 2004 00:24:53 +0300 From: Ion-Mihai Tetcu <itetcu@people.tecnik93.com> To: "Kevin Oberman" <oberman@es.net> Cc: bugghy <bugghy@home.ro> Subject: Re: magic sysrq keys functionality Message-ID: <20040727002453.063749d6@it.buh.tecnik93.com> In-Reply-To: <20040726190039.9A9935D08@ptavv.es.net> References: <1090878779.715.18.camel@illusion.com> <20040726190039.9A9935D08@ptavv.es.net>
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On Mon, 26 Jul 2004 12:00:39 -0700 "Kevin Oberman" <oberman@es.net> wrote: > > From: bugghy <bugghy@home.ro> > > Date: Mon, 26 Jul 2004 21:53:02 +0000 > > Sender: owner-freebsd-current@freebsd.org > > > > > > > > So, what would be a convenient way to protect a 5.x release against > > data loss / corruption in case of frequent powerfaillures. (a software > > method) > > Turn off write-cache on the disks. hw.ata.wc="0" in /boot/loader.conf > (But be prepared to suffer the consequences to disk performance.) You could also lower the interval the filesystem date is sync'ed to disk, from the default 30,29,28 e.g. in /boot/loader/conf: kern.filedelay="15" kern.dirdelay="14" kern.metadelay="13" Of course, the disk performance will suffer even more. -- IOnut Unregistered ;) FreeBSD "user"
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