From: Anthony Tippett on

I'm having issues trying to partition/mount an usb device. The device
is a HP usb digital drive (looks like a small memstick). If anyone can
help or has suggestions please let me know.

When I insert the device into the usb it is registered with hotplug:

------------- /var/log/messages
Feb 26 19:15:30 act kernel: usb 2-2: new full speed USB device using
address 11
Feb 26 19:15:30 act kernel: scsi8 : SCSI emulation for USB Mass Storage
devices
Feb 26 19:15:30 act kernel: Vendor: HP Model: Digital Drive
Rev: 1. 00
Feb 26 19:15:30 act kernel: Type: Direct-Access
ANSI SC SI revision: 02
Feb 26 19:15:30 act kernel: Attached scsi removable disk sda at scsi8,
channel 0 , id 0, lun 0
Feb 26 19:15:30 act scsi.agent[18757]: disk at
/devices/pci0000:00/0000:00:02.1/ usb2/2-2/2-2:1.0/host8/8:0:0:0
Feb 26 19:15:31 act usb.agent[18749]: usb-storage: already loaded


However, when I try to partition the disk it says "No medium found".

------------ partition steps
act:/home/atippett# fdisk /dev/sda

Unable to open /dev/sda
act:/home/atippett# cfdisk /dev/sda

act:/home/atippett# sfdisk /dev/sda
/dev/sda: No medium found

sfdisk: cannot open /dev/sda read-write
act:/home/atippett#


Here's my information from /proc
------------------
act:/home/atippett# cat /proc/scsi/usb-storage/9
Host scsi9: usb-storage
Vendor: Hewlett-Packard
Product: USB Digital Drive
Serial Number: None
Protocol: Transparent SCSI
Transport: Bulk
Quirks:
act:/home/atippett# cat /proc/scsi/scsi
Attached devices:
Host: scsi9 Channel: 00 Id: 00 Lun: 00
Vendor: HP Model: Digital Drive Rev: 1.00
Type: Direct-Access ANSI SCSI revision: 02
act:/home/atippett#



--
Anthony


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From: ABrady on
On Sat, 26 Feb 2005 19:32:17 -0800
Anthony Tippett <atippett(a)sports-it.com> wrote:

> I'm having issues trying to partition/mount an usb device. The device
> is a HP usb digital drive (looks like a small memstick). If anyone
> can help or has suggestions please let me know.
>
> When I insert the device into the usb it is registered with hotplug:

> Feb 26 19:15:30 act kernel: Attached scsi removable disk sda at scsi8,
> channel 0 , id 0, lun 0

> However, when I try to partition the disk it says "No medium found".

> Here's my information from /proc

Try 'cfdisk -z' on it and see what you get.

Barring that, take a look at other drives. Mine have been known to show
up as one thing in the logs and end up somewhere else. They've also been
known to skip devices, so I have sda, sdb, sde, sdf and so forth instead
of having them in order. This varies, so they might end up in order and
they might not.

Try 'fdisk -l /dev/sd?' changing '?' to a letter to designate the
device.

--
Microsoft: The company that made computing dangerous.


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From: Anthony Tippett on
Brady,

When running cfdisk -z I get the following error:


FATAL ERROR: Cannot open disk drive
Press any key to exit cfdisk

The only scsi device that hotplug created was /dev/sda (no other sd?)

version of linux: Linux act 2.6.7-1-k7

I think that the /dev/sda is being created incorrectly but i'm not
sure. Unfortunately, I have been unable to install udev because all the
kernel's above 2.6.7 give me an error when I try to run them and udev
requires 2.6.8+

Perhaps I should be working on this problem before I start into this one.

btw, here's a listing of my mount, does it look incorrect to anyone?
/dev/hde2 on / type ext3 (rw,errors=remount-ro)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw)
/dev/hda1 on /media/hda1 type xfs (rw)
usbfs on /proc/bus/usb type usbfs (rw)
/dev on /.dev type unknown (rw,bind)
none on /dev type tmpfs (rw,size=5M,mode=0755)
nfsd on /proc/fs/nfsd type nfsd (rw)





________________________ end transmission

> I'm having issues trying to partition/mount an usb device. The device
> is a HP usb digital drive (looks like a small memstick). If anyone
> can help or has suggestions please let me know.
>
> When I insert the device into the usb it is registered with hotplug:

> Feb 26 19:15:30 act kernel: Attached scsi removable disk sda at scsi8,
> channel 0 , id 0, lun 0

> However, when I try to partition the disk it says "No medium found".

> Here's my information from /proc

Try 'cfdisk -z' on it and see what you get.

Barring that, take a look at other drives. Mine have been known to show
up as one thing in the logs and end up somewhere else. They've also been
known to skip devices, so I have sda, sdb, sde, sdf and so forth instead
of having them in order. This varies, so they might end up in order and
they might not.

Try 'fdisk -l /dev/sd?' changing '?' to a letter to designate the
device.

--
Microsoft: The company that made computing dangerous.



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From: Jan C. Nordholz on
> I'm having issues trying to partition/mount an usb device. The device
> is a HP usb digital drive (looks like a small memstick). If anyone can
> help or has suggestions please let me know.
>
> When I insert the device into the usb it is registered with hotplug:
>
> [snipping log output]

Hmm, that's strange... is the USB device actually being claimed by the
USB-storage driver? Please check the output of /proc/bus/usb/devices...

Jan
--
Jan C. Nordholz
<jckn At gmx net>
From: Gnu-Raiz on
On 11:47, Sun 27 Feb 05, Anthony Tippett wrote:
> Brady,
>
> When running cfdisk -z I get the following error:
>
>
> FATAL ERROR: Cannot open disk drive
> Press any key to exit cfdisk
>
> The only scsi device that hotplug created was /dev/sda (no other sd?)
>
> version of linux: Linux act 2.6.7-1-k7
>
> I think that the /dev/sda is being created incorrectly but i'm not
> sure. Unfortunately, I have been unable to install udev because all the
> kernel's above 2.6.7 give me an error when I try to run them and udev
> requires 2.6.8+
>
> Perhaps I should be working on this problem before I start into this one.
>
> btw, here's a listing of my mount, does it look incorrect to anyone?
> /dev/hde2 on / type ext3 (rw,errors=remount-ro)
> proc on /proc type proc (rw)
> sysfs on /sys type sysfs (rw)
> devpts on /dev/pts type devpts (rw,gid=5,mode=620)
> tmpfs on /dev/shm type tmpfs (rw)
> /dev/hda1 on /media/hda1 type xfs (rw)
> usbfs on /proc/bus/usb type usbfs (rw)
> /dev on /.dev type unknown (rw,bind)
> none on /dev type tmpfs (rw,size=5M,mode=0755)
> nfsd on /proc/fs/nfsd type nfsd (rw)
>
> <snip>

Are you using the usb tools, like lsusb, which does some of
the same things as seen in proc, but a little more. Are you
loading the usb storage module, might want to check lsmod to
see if its listed. Also check for the proper usb modules
listed for your hub, or usb card, maybe its not loading like
it should.

Another thing that might be of interest is what does lspci
say, does it show any unknown devices. What file system does
the drive include, what happens if you create one on the
drive, with the mkfs -t ext2 /dev/sda/ this could explain
why you can not see the drive, as there is nothing on the
drive to see, just a thought.

Gnu-Raiz


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