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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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