Date: Thu, 13 Jan 2000 13:42:11 +1300 From: Joerg Micheel <joerg@cs.waikato.ac.nz> To: "Kenneth D. Merry" <ken@kdm.org> Cc: sthaug@nethelp.no, grios@ddsecurity.com.br, ohoyer@fbwi.fh-wilhelmshaven.de, freebsd-hardware@freebsd.org, joerg@cs.waikato.ac.nz Subject: Re: hardware Message-ID: <20000113134211.M5228@cs.waikato.ac.nz> In-Reply-To: <20000112173358.A93414@panzer.kdm.org>; from Kenneth D. Merry on Wed, Jan 12, 2000 at 05:33:58PM -0700 References: <387D0354.63159B8@ddsecurity.com.br> <72218.947717759@verdi.nethelp.no> <20000113124314.I5228@cs.waikato.ac.nz> <20000112165428.A93083@panzer.kdm.org> <20000113132414.K5228@cs.waikato.ac.nz> <20000112173358.A93414@panzer.kdm.org>
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On Wed, Jan 12, 2000 at 05:33:58PM -0700, Kenneth D. Merry wrote:
> > rawio -c 256 causes bad reads on the disk.
>
> What do you mean it causes bad reads? Are there any error message printed
> out?
58 [negara] (root) # rawio -c 256 /dev/rda0c
Random read Sequential read Random write Sequential write
ID K/sec /sec K/sec /sec K/sec /sec K/sec /sec
anon Child 1 Bad read at 1291010048: (null) (671942847), iocount 14
Child 0 Bad read at 1940982272: (null) (671942847), iocount 14
Child 2 Bad read at 1813053440: (null) (671942847), iocount 14
Child 5 Bad read at 2025523200: (null) (671942847), iocount 14
Child 6 Bad read at 2036186624: (null) (671942847), iocount 14
Child 4 Bad read at 1428914688: (null) (671942847), iocount 14
Child 3 Bad read at 625769472: (null) (671942847), iocount 14
Child 7 Bad read at 2126529024: (null) (671942847), iocount 14
4249.6 47 ^C
256 is the maximum on FreeBSD (according to the manpage).
Joerg
--
Joerg B. Micheel Email: <joerg@cs.waikato.ac.nz>
Waikato Applied Network Dynamics Phone: +64 7 8384794
The University of Waikato, CompScience Fax: +64 7 8384155
Private Bag 3105 Pager: +64 868 38222
Hamilton, New Zealand Plan: TINE and the DAG's
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