Date: Thu, 19 Feb 2004 21:15:21 +0100 From: Bernd Walter <ticso@cicely12.cicely.de> To: Aaron Peterson <aaron@alpete.com> Cc: freebsd-current@freebsd.org Subject: Re: bcwipe won't wipe a block device... Message-ID: <20040219201520.GB44313@cicely12.cicely.de> In-Reply-To: <9615.162.114.211.143.1077213472.squirrel@mail.alpete.com> References: <9615.162.114.211.143.1077213472.squirrel@mail.alpete.com>
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On Thu, Feb 19, 2004 at 12:57:52PM -0500, Aaron Peterson wrote: > I don't know if this is a problem specific to CURRENT or not, but bcwipe > seems to do the right thing when wiping files. however, when using the -b > option to wipe an entire block device, there is an "Invalid Argument" > error, and I don't understand exactly why... > > fbsd52# bcwipe -bvmd /dev/da0 > Wipe /dev/da0 (y/[n]/a)?a > Wiping device /dev/da0 > Writing to /dev/da0: Invalid argument > fbsd52# bcwipe -bvm3 /dev/fd0 > Wipe /dev/fd0 (y/[n]/a)?a > Wiping device /dev/fd0 > Writing to /dev/fd0: Invalid argument > fbsd52# > > these are examples of commands verbatim from the bcwipe man page... The > devices exist in /dev/, and there is a floppy in the drive... This is the > dmesg for the USB hard disk that I'm ultimately trying to wipe... Why - if the device is there you have a node in /dev. If you don't have the device then there is no node. See devfs(8) -- B.Walter BWCT http://www.bwct.de ticso@bwct.de info@bwct.de
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