Date: Thu, 11 May 2006 21:59:49 +1000 From: Alastair Rankine <arsptr@optusnet.com.au> To: Norberto Meijome <freebsd@meijome.net> Cc: freebsd-questions@freebsd.org Subject: Re: Filesystem corruption when drives are mirrored, but not otherwise Message-ID: <C9D92EFD-E4AE-48B3-8A2F-7F002311BBDD@optusnet.com.au> In-Reply-To: <20060511105934.76e4dad7@localhost> References: <EA1AEB77-8AD4-443C-BDC3-EE963C75E560@optusnet.com.au> <3655B84C-03FA-454B-A601-72DCEE8AE4E7@optusnet.com.au> <20060511105934.76e4dad7@localhost>
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[-- Attachment #1 --] On 11/05/2006, at 10:59 AM, Norberto Meijome wrote: > On Wed, 10 May 2006 22:45:10 +1000 > Alastair Rankine <arsptr@optusnet.com.au> wrote: > >> Disabling write >> caching seems to have fixed the problem. > > excuse my ignorance, but where do you do this? BIOS? Set hw.ata.wc="0" in /boot/loader.conf See tuning(7) for more info. > I'm running GEOM mirrors on amd64 with SATA (I assume you mean PATA > when you > say ATA). Nope, I'm using SATA on a Promise FastTrak S150 TX2plus. What controller are you using? Do you get a decent write speed? cstream -o tmpfile -v 1 -n 384m -i - ... is a good benchmark for sequential writes (cstream is in the ports). [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (Darwin) iEYEARECAAYFAkRjJzkACgkQ9jqa2eRLIceSGQCfaIJNRet4+WLflg+Mf9sXTGGv zVcAnRe8QMv83ymfhtXSNr7Ou2K7qXgS =wr34 -----END PGP SIGNATURE-----
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