Date: Tue, 4 Dec 2007 10:22:09 +0100 From: Gergely CZUCZY <phoemix@harmless.hu> To: Mike Tancsa <mike@sentex.net> Cc: Jeff Roberson <jroberson@chesapeake.net>, freebsd-performance@freebsd.org Subject: Re: mysql scaling questions Message-ID: <20071204092209.GA55785@harmless.hu> In-Reply-To: <200712012108.lB1L8qAd005766@lava.sentex.ca> References: <20071129101729.GA57985@harmless.hu> <20071130143023.I884@192.168.1.107> <20071201163334.GA21709@harmless.hu> <200712012055.lB1Kt5IQ005728@lava.sentex.ca> <20071201205609.GA54238@harmless.hu> <200712012108.lB1L8qAd005766@lava.sentex.ca>
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--G4iJoqBmSsgzjUCe Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Dec 01, 2007 at 04:06:55PM -0500, Mike Tancsa wrote: > At 03:56 PM 12/1/2007, Gergely CZUCZY wrote: > >I don't quite understand the question. It's the very same box, with > >a dualboot configuration. >=20 > Fire up the 3ware controller's RAID management software and make sure the= same write caching strategy is set for FreeBSD and Linux. The driver my=20 > default to different values. >=20 > i.e. under "controller settings" make sure "write cache" and "queuing" ar= e the same values for linux and freebsd. I fail to see such an option, not under the 3ware BIOS software, nor in the= tw_cli interface. Could you be more specific on this? Note: in the BIOS i've seen WC turned on for all units, and there were no OS-specific options. Sincerely, Gergely Czuczy mailto: gergely.czuczy@harmless.hu --=20 Weenies test. Geniuses solve problems that arise. --G4iJoqBmSsgzjUCe Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) owFNVL9rHEcUViSFwAQH1Af8uEaFb1d7kk4+TkiKJUXiILZMTsJYLszc7Nu7wbMz 5/mh0wlSJ4UL4zYJSRFIZTBGZf6FpHdtDA4pUiYpEvvNnqRLs/Bmvvne933zZp9e m5uZXfjtxfmDG0+effvB8/mPejfK4L3uJyW3J1InjSxrJM3mzVYzWUuaKyJbzRut laJotbJWsX/06daO0R61Tw7HQ2yDx1O/NFRc6nUQA24d+o3gi6TFLnG70g2Nk14a 3QapldR4tXdouXYF2uRzLUwudb8Nj4PxmCdDK7XnPYWMHWjocl+HXRSQNeqwnGU3 gXvIVtvZWrvZvHsbkqyZZXW4LR8hHHItHIeRJZ4224RbhFxpN9eAcI3lpcZSPF+H fbR9VGPYOT7aOb4/hW92IDd60ZMQ6RGCztE6z3UOfoC0iC46SaHjF121dIJ2DI6X CD1zWoeR9INIwyEPXPWM8SCMLmQ/WF6dZJsbyxkh9qQl+mHFsTLiVBDOW6MUWqL+ 8lZnF0queR9LigqcKXyFilJKTkZdoIpOb7BJ+5GNggUXAwoSnKd+2B+DdECXAoWx sGcRt7u7FcUXUofTFA6pe24lmYByPBGWY8GD8uAN5LKg24ntT7gi61fiZYrpJBuo TWXHRp6au9r/FNamurBWta5RioFgVNkNVnmYOJg0qaSqKK9CFyS65/KUdaDgUkVZ DiO3GNA+mGFMtQ6agp4Imga63TnoXgUXIZYG8CIyP3oolKTaoy24wJTRVAaVw9gE 6CGUhgjcEIUspAATj0m3xdidOCcXNJMGcvEEoyQN93bAB6sxj/jogitFoqR3dbiY ICIdxY827KCbTPkrF5Qv60otCKDGdcauZvQsiLMxK8m+N23oT5ZTUS1/Rq+uVOhc OgiMJUm8oHukRlKSnqY1pVHXMjgqnVEkdWgNvasyTi+9Im6lI/PfbM19OBOf9+W/ YWH2k+OZ7z6ev/7V+t9i4fcHv/xx/9//zuHF9z/N/HD07ue5X1/+OF98zd/+9erP 8M+b1/PvAQ== =YpoD -----END PGP SIGNATURE----- --G4iJoqBmSsgzjUCe--
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