From owner-freebsd-stable  Wed Mar 14  3: 6:32 2001
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Subject: Re: Disk I/O problem in 4.3-BETA
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From: Pete French <pfrench@firstcallgroup.co.uk>
Date: Wed, 14 Mar 2001 11:06:13 +0000
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> What doesn't appear to have been mentioned is how exactly do we turn off
> write caching on SCSI drives. From poking around the best I could work
> out was to run 'camcontrol modepage da0 -m 0x08 -e -P 3' and set WCE to
> 0 where 0x08 comes from /usr/share/misc/scsi_modes.

...and on a related note, how do you do it on SCSI drives that are
hnaging off the back of a RAID controller, where camcontrol doesnt
seem to be useable (unless I've got the wrong end of the stick completely)

]-pete.

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