Re: mounting a 16TB USB on Fedora 40

[Ranjan Maitra]

Thanks very much for your suggestions:

On Wed Nov06'24 11:59:42AM, Jeffrey Walton wrote:
> From: Jeffrey Walton 
> Date: Wed, 6 Nov 2024 11:59:42 -0500
> To: Community support for Fedora users 
> CC: Ranjan Maitra 
> Reply-To: [e-mail], Community support for Fedora users
>  
> Subject: Re: mounting a 16TB USB on Fedora 40
>
> On Wed, Nov 6, 2024 at 11:54 AM Ranjan Maitra via users
>  wrote:
> > I recently got a 16TB USB disk and was trying to mount it on Fedora 40 using spacefm. I get the following:
> >
> > Mount /dev/sdb:
> >
> > Status: Finished with error (Exit status 1).
> >
> > Object /org/freedesktop/UDisks2/block_devices/sdb is not a mountable file system.
>
> What does the tail of dmeg say? I believe that's where you will see
> the initial kernel and udev activity.

I think that here is the relevant output from dmesg. Let me know if you need more information.

.[122815.654311] usb 2-1: USB disconnect, device number 96
  .[122817.986491] usb 2-1: new high-speed USB device number 97 using xhci_hcd
  .[122818.113185] usb 2-1: New USB device found, idVendor=048d, idProduct=1234, bcdDevice= 1.00
  .[122818.113209] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  .[122818.113217] usb 2-1: Product: USB 3.1
  .[122818.113222] usb 2-1: Manufacturer: PSSD
  .[122818.113226] usb 2-1: SerialNumber:
  .[122818.115101] usb-storage 2-1:1.0: USB Mass Storage device detected
  .[122818.115817] scsi host6: usb-storage 2-1:1.0
  .[122819.145247] scsi 6:0:0:0: Direct-Access     AL       SSD              5.00 PQ: 0 ANSI: 2
  .[122819.146573] sd 6:0:0:0: Attached scsi generic sg1 type 0
  .[122819.147125] sd 6:0:0:0: [sdb] Very big device. Trying to use READ CAPACITY(16).
  .[122819.148810] sd 6:0:0:0: [sdb] 4096000000 4096-byte logical blocks: (16.8 TB/15.3 TiB)
  .[122819.148933] sd 6:0:0:0: [sdb] Write Protect is off
  .[122819.148935] sd 6:0:0:0: [sdb] Mode Sense: 0b 00 00 08
  .[122819.149051] sd 6:0:0:0: [sdb] No Caching mode page found
  .[122819.149053] sd 6:0:0:0: [sdb] Assuming drive cache: write through
  .[122819.150014] sd 6:0:0:0: [sdb] Very big device. Trying to use READ CAPACITY(16).
  .[122819.155413] sd 6:0:0:0: [sdb] Attached SCSI removable disk
  .[122819.181249] sd 6:0:0:0: [sdb] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
  .[122819.181262] sd 6:0:0:0: [sdb] tag#0 Sense Key : Illegal Request [current]
  .[122819.181266] sd 6:0:0:0: [sdb] tag#0 Add. Sense: Logical block address out of range
  .[122819.181272] sd 6:0:0:0: [sdb] tag#0 CDB: Read(10) 28 00 f4 23 ff f0 00 00 01 00
  .[122819.181275] critical target error, dev sdb, sector 32767999872 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
  .[122819.181735] sd 6:0:0:0: [sdb] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
  .[122819.181738] sd 6:0:0:0: [sdb] tag#0 Sense Key : Illegal Request [current]
  .[122819.181740] sd 6:0:0:0: [sdb] tag#0 Add. Sense: Logical block address out of range
  .[122819.181741] sd 6:0:0:0: [sdb] tag#0 CDB: Read(10) 28 00 f4 23 ff f0 00 00 01 00
  .[122819.181742] critical target error, dev sdb, sector 32767999872 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
  .[122819.181745] Buffer I/O error on dev sdb, logical block 4095999984, async page read
  .[122820.852350] audit: type=1101 audit(1730915961.350:2174): pid=134283 uid=1000 auid=1000 ses=2 subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 msg='op=PAM:accounting grantors=pam_unix,pam_localuser acct="username" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/6 res=success'
  .[122820.854205] audit: type=1123 audit(1730915961.352:2175): pid=134283 uid=1000 auid=1000 ses=2 subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 msg='cwd="/home/username" cmd="dmesg" exe="/usr/bin/sudo" terminal=pts/6 res=success'
  .[122820.856510] audit: type=1110 audit(1730915961.355:2176): pid=134283 uid=1000 auid=1000 ses=2 subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 msg='op=PAM:setcred grantors=pam_env,pam_localuser,pam_unix acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/6 res=success'
  .[122820.868528] audit: type=1105 audit(1730915961.367:2177): pid=134283 uid=1000 auid=1000 ses=2 subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 msg='op=PAM:session_open grantors=pam_keyinit,pam_limits,pam_keyinit,pam_limits,pam_systemd,pam_unix acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/6 res=success'
> > My first instinct was that I got taken for a ride so I hopped over to a colleague's Windoze machine, but there the USB drive is visible (with the capacitty of 15.2 GiB, as expected).
>
> One comment here... I understand the counterfits have an additional
> chip or logic that misreports the size. The real problems do not
> surface until you actually try to use the space. So plugging the usb
> drive in may not be enough to validate the drive. Instead, you want to
> write a 12 TB or 14 TB of data to ensure it's not a 256 GB or 1 TB
> drive.

I see, thanks for this information. I was not aware.

Best wishes,
Ranjan