[ubuntu-uk] External USB with LUKS file system not recognized
Andrés Muñiz Piniella
a75576 at alumni.tecnun.es
Thu Aug 18 11:36:46 UTC 2016
On 14/08/16 08:37, a75576 at alumni.tecnun.es wrote:
> Dear ubuntu-uk,
> Hopefully I document this right:
> # What I expected:
> I have this USB drive with an encrypted partition. I have been using
> it flawlessly for more than a year. With my Ubuntu computer I believe
> at some point gnome-keyring saved the password and unlocks it
> automatically. So we where able to view the files with no problem (two
> separate users). I was able to do the same with a separate computer
> with an ubuntu derivative. It was "a done once forgot how I did it"
> scenario following these instructions: 
> I am on ubuntu 14.01
> # The problem:
> The other day I tried the same but it does not recognize the drive.
> $dmesg give me the following:
> [ 934.249457] usb 4-1: new SuperSpeed USB device number 2 using xhci_hcd
> [ 934.318634] usb 4-1: New USB device found, idVendor=059b,
> [ 934.318640] usb 4-1: New USB device strings: Mfr=1, Product=2,
> [ 934.318643] usb 4-1: Product: eGo USB
> [ 934.318645] usb 4-1: Manufacturer: Iomega
> [ 934.318648] usb 4-1: SerialNumber: 030000000008A169
> [ 934.471393] usbcore: registered new interface driver usb-storage
> [ 934.538565] scsi4 : uas
> [ 934.538728] usbcore: registered new interface driver uas
> [ 934.545879] scsi 4:0:0:0: Direct-Access OEM Ext Hard
> Disk 0000 PQ: 0 ANSI: 5
> [ 934.861863] scsi 4:0:0:1: CD-ROM Virtual
> CDROM PQ: 0 ANSI: 0
> [ 934.862214] sd 4:0:0:0: Attached scsi generic sg1 type 0
> [ 935.005203] sr0: scsi-1 drive
> [ 935.005209] cdrom: Uniform CD-ROM driver Revision: 3.20
> [ 935.005432] sr 4:0:0:1: Attached scsi CD-ROM sr0
> [ 935.005574] sr 4:0:0:1: Attached scsi generic sg2 type 5
> [ 935.062375] sd 4:0:0:0: [sdb] 975319088 512-byte logical blocks:
> (499 GB/465 GiB)
> [ 935.209617] sd 4:0:0:0: [sdb] Write Protect is off
> [ 935.209623] sd 4:0:0:0: [sdb] Mode Sense: 10 00 00 00
> [ 935.256228] sd 4:0:0:0: [sdb] Cache data unavailable
> [ 935.256234] sd 4:0:0:0: [sdb] Assuming drive cache: write through
> [ 935.768396] sdb: sdb1
> [ 936.116766] sd 4:0:0:0: [sdb] Attached SCSI disk
> While the gnome-diskutility gui shows the LUKS partition unlocked but
> just 499 GB of unknown content.
> # What I tried
> Looking up a solution found this bug report  that seems to have
> been fixed? Several versions ago.
> The mention using the blkid command but I am not sure what it does and
> it requires root. Man page says the command will tell me the file
> system but I am guessing gnome-diskutility does that for me?
> Any more pointers would be great as I really want to get to the files.
>  https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/428435
> Thanks for your time!
Ham United Group
More information about the ubuntu-uk