Finding /dev entry of USB disk

charlie derr cderr at simons-rock.edu
Mon Oct 13 15:29:45 UTC 2008


Dotan Cohen wrote:
> However, it still insists on sdc, and I cannot find it:
> 
> [ 3835.096000] usb 5-3: new high speed USB device using ehci_hcd and address 22
> [ 3835.229205] usb 5-3: configuration #1 chosen from 1 choice
> [ 3835.229498] scsi6 : SCSI emulation for USB Mass Storage devices
> [ 3835.229715] usb-storage: device found at 22
> [ 3835.229719] usb-storage: waiting for device to settle before scanning
> [ 3840.225087] usb-storage: device scan complete
> [ 3840.225569] scsi 6:0:0:0: Direct-Access     SanDisk  U3 Cruzer
> Micro  3.27 PQ: 0 ANSI: 2
> [ 3840.229394] sd 6:0:0:0: [sdc] 4013710 512-byte hardware sectors (2055 MB)
> [ 3840.230018] sd 6:0:0:0: [sdc] Write Protect is off
> [ 3840.230021] sd 6:0:0:0: [sdc] Mode Sense: 03 00 00 00
> [ 3840.230023] sd 6:0:0:0: [sdc] Assuming drive cache: write through
> [ 3840.232797] sd 6:0:0:0: [sdc] 4013710 512-byte hardware sectors (2055 MB)
> [ 3840.233391] sd 6:0:0:0: [sdc] Write Protect is off
> [ 3840.233394] sd 6:0:0:0: [sdc] Mode Sense: 03 00 00 00
> [ 3840.233396] sd 6:0:0:0: [sdc] Assuming drive cache: write through
> [ 3840.233399]  sdc: sdc1
> [ 3840.234327] sd 6:0:0:0: [sdc] Attached SCSI removable disk
> [ 3840.234365] sd 6:0:0:0: Attached scsi generic sg2 type 0
> hardy2 at hardy2-laptop:~$ cd /dev/s
> shm/ snd/
> 
> 
> Any ideas?
> 


You mention in your previous post that "you need to format it", so I suppose the most likely answer is that it's not formatted, so 
therefore it's not being fully mounted (if you attempt to partition and/or then format sdc I'd think that might work).   The other 
obvious suspicion I have is that either the partitioning scheme (or perhaps the filesystem type) of what's already on the USB 
drive isn't supported in Ubuntu 8.04 (maybe there's a module you need to make sure is loaded).

	~c




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