Date: Mon, 25 Oct 2004 12:35:09 +0200 From: =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@DeepCore.dk> To: fandino@ng.fadesa.es Cc: freebsd-current@freebsd.org Subject: Re: FreeBSD 5.3b7and poor ata performance Message-ID: <417CD6DD.7050801@DeepCore.dk> In-Reply-To: <417CD0CA.8010708@ng.fadesa.es> References: <14479.1098695558@critter.freebsd.dk> <417CD0CA.8010708@ng.fadesa.es>
next in thread | previous in thread | raw e-mail | index | archive | help
fandino wrote: > However I would like to know disk performance of list members using a > VIA 82C686B chipset. Anyone in the list is using this chipset? I do: atapci0: <VIA 82C686B UDMA100 controller> port 0xd000-0xd00f at device=20 7.1 on pci0 =2E.. ad0: 39205MB <Maxtor 6E040L0> [79656/16/63] at ata0-master UDMA100 Diskinfo -t yields: Seek times: Full stroke: 250 iter in 5.378885 sec =3D 21.516 msec Half stroke: 250 iter in 4.154826 sec =3D 16.619 msec Quarter stroke: 500 iter in 6.640011 sec =3D 13.280 msec Short forward: 400 iter in 2.911354 sec =3D 7.278 msec Short backward: 400 iter in 2.370054 sec =3D 5.925 msec Seq outer: 2048 iter in 0.267370 sec =3D 0.131 msec Seq inner: 2048 iter in 0.266306 sec =3D 0.130 msec Transfer rates: outside: 102400 kbytes in 1.933641 sec =3D 52957=20 kbytes/sec middle: 102400 kbytes in 1.934147 sec =3D 52943=20 kbytes/sec inside: 102400 kbytes in 2.761984 sec =3D 37075=20 kbytes/sec Mind you this server is active as mail/www/gateway so the numbers are to = be taken with a bit of salt, and that Maxtor disk is probably the=20 slowest disk they make at all these days, anyhow the numbers above fits=20 the specs pretty close... --=20 -S=F8ren
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?417CD6DD.7050801>