[Cialug] Trying to label 2TB USB drive from Redhat 5.7

Tom Pohl tom at tcpconsulting.com
Thu Mar 20 19:09:25 CDT 2014


What does the output of the following:
ls -l /dev/sg* 
cat /proc/partitions
fdisk -l

-Tom


> On Mar 20, 2014, at 5:25 PM, John Lengeling <john.lengeling at gmail.com> wrote:
> 
> Trying access and label a 2TB portable USB drive under Redhat 5.7.
> 
> Normally this just "works" but in this case, the kernel says it is going to
> use sdd1, but none of the device entries exists.
> 
> Output from dmesg:
> 
> usb 2-1.1: new high speed USB device using ehci_hcd and address 9
> usb 2-1.1: configuration #1 chosen from 1 choice
> scsi25 : SCSI emulation for USB Mass Storage devices
> usb-storage: device found at 9
> usb-storage: waiting for device to settle before scanning
>  Vendor: TOSHIBA   Model: External USB 3.0  Rev: 0201
>  Type:   Direct-Access                      ANSI SCSI revision: 06
> SCSI device sdd: 3907029160 512-byte hdwr sectors (2000399 MB)
> sdd: Write Protect is off
> sdd: Mode Sense: 2b 00 00 00
> sdd: assuming drive cache: write through
> SCSI device sdd: 3907029160 512-byte hdwr sectors (2000399 MB)
> sdd: Write Protect is off
> sdd: Mode Sense: 2b 00 00 00
> sdd: assuming drive cache: write through
> sdd: sdd1
> sd 25:0:0:0: Attached scsi disk sdd
> sd 25:0:0:0: Attached scsi generic sg4 type 0
> 
> /dev entries:
> 
> sh-3.2# ls -l /dev/sd*
> brw-r----- 1 root disk 8,  0 Jan 20  2013 /dev/sda
> brw-r----- 1 root disk 8,  1 Jan 20  2013 /dev/sda1
> brw-r----- 1 root disk 8,  2 Jan 20  2013 /dev/sda2
> brw-r----- 1 root disk 8, 16 Jan 20  2013 /dev/sdb
> brw-r----- 1 root disk 8, 32 Jan 20  2013 /dev/sdc
> 
> So why isn't udev creating the device entries?
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