Date: Thu, 04 Sep 2008 22:59:40 +0200 From: "Julian Stacey" <jhs@berklix.org> To: "Alexander Sack" <pisymbol@gmail.com> Cc: freebsd-scsi@freebsd.org Subject: Re: how to format an ide hard disc in a usb enclosure Message-ID: <200809042059.m84KxeQA010430@fire.js.berklix.net> In-Reply-To: Your message "Thu, 04 Sep 2008 16:51:14 EDT." <3c0b01820809041351lfedc31bla7ba0e3142c3fa85@mail.gmail.com>
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Hi, Reference: > From: "Alexander Sack" <pisymbol@gmail.com> > Date: Thu, 4 Sep 2008 16:51:14 -0400 > Message-id: <3c0b01820809041351lfedc31bla7ba0e3142c3fa85@mail.gmail.com> "Alexander Sack" wrote: > On Wed, Sep 3, 2008 at 6:33 PM, Julian Stacey <jhs@berklix.org> wrote: > > Hi freebsd-scsi@, > > How does one reformat an IDE disc in a USB enclosure appearing on > > 7.0-Release via devd as /dev/ da0 da0s1 da0s1a da0s1c pass1 ? > > > > su > > camcontrol devlist > > <MATSHITA UJDA730 DVD/CDRW 1.00> at scbus2 target 0 lun 0 (pass0,cd0) > > <USB 2.0 Storage Device 0100> at scbus3 target 0 lun 0 (pass1,da0) > > camcontrol format da0 > > You are about to REMOVE ALL DATA from the following device: > > camcontrol: scsiformat: error sending inquiry > > camcontrol format 3:0:0 > > You are about to REMOVE ALL DATA from the following device: > > camcontrol: scsiformat: error sending inquiry > > > > Should I be using something from ports/ ? eg > > > > cd /usr/ports/sysutils/smartmontools ... > > smartctl -i -T verypermissive /dev/da0 > > Device: USB 2.0 Storage Device Version: 0100 > >>> Terminate command early due to bad response to IEC mode page > > A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options. > > > > cd /usr/ports/sysutils/sformat ... sformat -auto 0 0 3 > > ... > > Enter number of heads -1 (1 - 255)/<cr>: > > ... too many questions I dont know answer to, > > I just want to reformat whole device. > > > > Background > > Yes, perhaps as the disc is throwing errors, it might be dieing, > > &/or bad disc sector list might be full/ filling, but that doesn't > > worry me: I had to power cycle it rapidly while travelling, might > > have been the reason, &/or maybe USB hub didnt deliver enough power > > then (despite doubler cable, thus 1.0A not 0.5A), but theres' nothing > > vital on that disk, it's just a scratch space for experiments, so > > I'd like to reformat. > > Julian are you trying low-level format the drive Yes > (something I don't > recommend) I know, hence the background, yes I'm fully aware of all repercusions thanks :-) > or just write a new filesystem (a much better approach)? I Nope I Really want to low level formt. > would look at mkfs/bsdlabel commands to remake the filesystem so you > can mount it again. Actually you can probably run sysinstall and use > the disk creation options to do the dirty work as well. Yup, thanks good tip for other times, I do indeed use sysinstall some times, when I'm feeling lazy :-) This time I Really want to low level format though. Cheers, Julian -- Julian Stacey: BSDUnixLinux C Prog Admin SysEng Consult Munich www.berklix.com Mail plain ASCII text. HTML & Base64 text are spam. www.asciiribbon.org
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