USB hard drive

Guy Fraser guy at incentre.net
Mon Apr 3 17:11:43 UTC 2006


On Thu, 2006-30-03 at 19:39 +0000, Jim Douglas wrote:
> 
> 
> >From: Tim <ignored_mailbox at yahoo.com.au>
> >Reply-To: For users of Fedora Core releases <fedora-list at redhat.com>
> >To: For users of Fedora Core releases <fedora-list at redhat.com>
> >Subject: Re: USB hard drive
> >Date: Fri, 31 Mar 2006 04:30:52 +1030
> >
> >On Thu, 2006-03-30 at 03:13 +0000, Jim Douglas wrote:
> > > I look in /dev and see sda, sdb, sdc, sdd
> > >
> > > I did,
> > >
> > > mkdir usbhd in /media
> > >
> > > then,
> > >
> > > mount -t ext3 /dev/sda /media/usbhd
> > >
> > > is says,
> > > mount:No medium found
> >
> >The "disk" is /dev/sda, /dev/sdb, etc.  It's most likely that you're
> >going to mount a partition on the disk.  Try something like:
> >
> >mount -t ext3 /dev/sda1 /media/usbhd
> >
> >(Notice the number after sda.)
> >
> >--
> >Don't send private replies to my address, the mailbox is ignored.
> >I read messages from the public lists.
> >
> >--
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> 
> 
> I tried,
> mount  -t ext3 /dev/sda1 /media/usbhd
> 
> And I get,
> mount: special device /dev/sda1 does not exist
> 
> I  looks like,
> mount  -t ext3 /dev/sda1 /media/usbhd
> 
> ...is finding the device, but doesn't recognizing the media but I don't know 
> why and don't know how to get it to.

Hmmm, have you been unplugging the drive and trying again?

When I started trying to figure out what was wrong when 
I was having similar problems, I discovered that every 
time I unplugged the drive and plugged it in again, the 
device name would increment {Ex: /dev/sdg -> /dev/sdh ...}.

I was having the issues mounting my old FC3 drive with a USB2
adaptor. SELinux was causing some kind of problems, where 
some partitions would be partially mounted, where they would
not show up using "mount" to display the mounted devices, but
/media/disk-1 was mounted, and I could see the files using ls.
Using "sudo umount /media/disk-1" unmounted the device. I 
disabled SELinux and things started to work, to the point 
where the partitions were attempting to be mounted by their 
labels. Unfortunately many of my labels had forward slash "/"
characters and that was causing problems, so I relabelled 
the partitions. Even after relabelling two partitions would 
not mount until SELinux was disabled again, they contained 
"/home" and "/var/spool". After that everything worked as 
expected. For now I am disabling SELinux when hot-plugging USB 
and Firewire drives, rather than trying to figure out what needs 
to be adjusted.






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