Date: Mon, 16 Nov 1998 20:01:39 +0100 (CET) From: Wilko Bulte <wilko@yedi.iaf.nl> To: ken@plutotech.com (Kenneth D. Merry) Cc: ticso@cicely.de, freebsd-scsi@FreeBSD.ORG Subject: Re: 520byte sector size Message-ID: <199811161901.UAA01018@yedi.iaf.nl> In-Reply-To: <199811160245.TAA24619@panzer.plutotech.com> from "Kenneth D. Merry" at "Nov 15, 98 07:45:53 pm"
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As Kenneth D. Merry wrote... > Bernd Walter wrote... > > da8 at ahc6 bus 0 target 3 lun 0 > > da8: <IBM 0661467 G o> Fixed Direct Access SCSI2 device > > da8: 5.0MB/s transfers (5.0MHz, offset 12) > > da8: 388MB (782600 520 byte sectors: 64H 32S/T 382C) > > > > FreeBSD don't like this sector size very much :( > > I know that they can be formated with 512 byte sectors. > > I've done this with an old 1542 on a similar drive. > > I just selected format in the BIOS-Tool and it lowlevel > > formated it with 512 byte sectors. > > > > Unfortunately I don't like the idea of plugging a videocard > > into this host just for waiting for each drive (6 ones) > > > > I've tried: > > camcontrol cmd -n pass -u 12 -v -t 9999 -c "4 0 0 0 0 0" > > but I gave me a fresh formated 520byte HDD :( > > > > does anybody know the command to change the sector size? > > Well, I've never done it before, but you might try changing the "Data Bytes > per Physical Sector" field in mode page 3 (the "Format device" page). > > Of the two disks in my machine here, the Quantum doesn't allow changing > that value, but the IBM apparantly does. FWIW I also once succeeded in setting a Micropolis from 518 to 512 bytes/sec. > If you can change it, you can then probably try formatting the drive again. You need a format yes. Wilko _ ______________________________________________________________________ | / o / / _ Bulte email: wilko@yedi.iaf.nl |/|/ / / /( (_) Arnhem, The Netherlands WWW : http://www.tcja.nl ______________________________________________ Powered by FreeBSD __________ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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