[SLE] USB Troubles

From: Jesse L. Purdom (purdomj_at_provide.net)
Date: 08/18/04

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    To: suse-linux-e@suse.com
Date: Wed, 18 Aug 2004 17:14:30 -0400

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    Hello.

    I am attempting to use an external CompUSA USB IDE Hard Disk Enclosure. My
    system is a Dell Latitude CPi Laptop, with SuSE v8.0 Professional installed.

    SuSE recognizes the device when it is plugged in. USBView shows this:

    USB2.0 Storage Device
    Manufacturer: Cypress Semiconductor
    Serial Number: xxxxxxxxxxxxx
    Speed: 12Mb/s (full)
    USB Version: 2.00
    Device Class: 00(>ifc)
    Device Subclass: 00
    Device Protocol: 00
    Maximum Default Endpoint Size: 64
    Number of Configurations: 1
    Vendor Id: 04b4
    Product Id: 6830
    Revision Number: 0.01

    While the device shows USB Version 2.00, it is backwards compatible to v1.1
    which is what is supported by both my laptop and SuSE v8.0. hwinfo --usb
    shows this:

    02: USB 101.0: 10a00 Hub
      [Created at usb.100]
      Unique ID: B3Fu.kevfIssjghD
      Hardware Class: hub
      Model: "USB UHCI Root Hub"
      Device: "USB UHCI Root Hub"
      Serial ID: "ece0"
      USB GUID: 00000000000000000000ece0
      USB Device status: driver active ("hub")
      Speed: 1.5 Mbps

    03: SCSI 104.0: 10600 Disk
      [Created at usb.100]
      Unique ID: B3Fu.rGuCGBjyIw2
      Hardware Class: disk
      Model: "WDC AC23 40"
      Vendor: "WDC AC23"
      Device: "40"
      Revision: "0 0"
      Serial ID: "DEF10817C256"
      USB GUID: 04b468300000def10817c256
      Driver: "usb-storage"
      Device File: /dev/sda
      Speed: 1.5 Mbps
      Drive status: no medium
      Attached to: #2 (Hub)

    The Model and Vendor entries show the hard drive, a Western Digital IDE drive.

    Based on information gleened from www.linux-usb.org's USB guide I added an
    entry to /etc/fstab for the device:

    /dev/sda /mnt/usbhd ext2 defaults 1 2

    I created the mount point in /mnt and attempted to mount the device:

    mount /mnt/usbhd

    What I get back is this:

    mount: /dev/sda is not a valid block device

    It is very likely that the /etc/fstab entry is wrong, I was guessing as to
    what to put for the filesystem. The HDD I am using has an NTFS partition on
    it, but one of the first things I wanted to do once I got the system to
    recognize the drive was format it.

    If anyone has any suggestions on what may allow me to mount this device, I
    would greatly appreciate your help.

    Have a good day.

    Jesse
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