Date: Thu, 14 Jul 2005 21:45:20 +0200 From: Anatoliy Dmytriyev <tolid@plab.ku.dk> To: freebsd-stable@freebsd.org Cc: freebsd-questions@freebsd.org Subject: Re: dangerous situation with shutdown process Message-ID: <42D6C0D0.6040106@plab.ku.dk> In-Reply-To: <20050714191449.A8A615D07@ptavv.es.net> References: <20050714191449.A8A615D07@ptavv.es.net>
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Kevin Oberman wrote: >SCSI or ATA? If it's ATA, turn off write cache with (atacontrol(8) or >the sysctl. > >The problem is that disks lie about whether they have actually written >data. If the power goes off before the data is in cache, it's lost. > >I am not sure if write-cache can be turned off on SCSI, but SCSI drives >seem less likely to lie about when the data is actually flushed to the >drive. > > SCSI, Adaptec 2110S -- Anatoliy Dmytriyev <tolid@plab.ku.dk>
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