[TriLUG] trouble mounting a USB drive

Jason Tower jason at cerient.net
Wed Apr 14 13:51:18 EDT 2004


i've had a similar error when trying to mount the SM card from my digital
camera.  i *think* i got it working by running 'cdrecord -scanbus' first
which somehow reset things so that it would mount.  YMMV

jason

> I have a spankin' new hard drive and external USB 2.0 enclosure.
> I'm not smart enough to get the thing to mount.
>
> I can "see" the device and fdisk it, but when I try to
> mount /dev/sda1 /mnt/usb it complains thusly:
> mount: you must specify the filesystem type
>
> So I added this to my /etc/fstab
> /dev/sda1  /mnt/usb  ext3  defaults 0 0
> but still get the error
>
> Here are the details:
> Linux version 2.4.20-19.9
>
> cat /proc/scsi/scsi
> Attached devices:
> Host: scsi0 Channel: 00 Id: 00 Lun: 00
>   Vendor: USB 2.0  Model: Storage Device   Rev: 0100
>   Type:   Direct-Access                    ANSI SCSI revision: 02
>
> cat /proc/bus/usb/devices
> T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 2
> B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
> D:  Ver= 1.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
> P:  Vendor=0000 ProdID=0000 Rev= 0.00
> S:  Product=USB UHCI Root Hub
> S:  SerialNumber=dce0
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
> E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=255ms
> T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#=  3 Spd=12  MxCh= 0
> D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=0402 ProdID=5621 Rev= 1.03
> S:  Product=USB 2.0 Storage Device
> S:  SerialNumber=00042222200000106615
> C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50
> Driver=usb-storage
> E:  Ad=81(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
> E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
>
> fdisk -l /dev/sd?
> Disk /dev/sda: 120.0 GB, 120034123776 bytes
> 255 heads, 63 sectors/track, 14593 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
>    Device Boot    Start       End    Blocks   Id  System
> /dev/sda1             1     14593 117218241   83  Linux
>
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> --
> Ryan Leathers <ryan.leathers at globalknowledge.com>
> Global Knowledge
>
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