Re: Unable to mount USB connected hard drive.

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On 2021-03-14 at 14:58:50 Samuel Sieb wrote:

> On 3/14/21 2:44 PM, Erik P. Olsen wrote:
> > I've had this 1 TB drive for about 1 year and have been using it succesfully for
> > backups of my anf my wife's systems and suddenly yesterday morning I was unable to
> > mount it. Neither fdisk nor gparted can see it but lsusb can:
> > 
> > Bus 002 Device 003: ID 0bc2:ab26 Seagate RSS LLC Backup Plus Slim Portable Drive 1 TB
> > 
> > On trying to mount I get this error message:
> > 
> > mount: /backupdev: cannot read the superblock on /dev/sdc1
> > 
> > Is the drive a brick or can I perhaps regenerate the superblock somehow?  
> 
> That's a very bad sign.  Check the journal to see if it's an I/O error 
> or corruption.  Which filesystem is it?  What does "file -s /dev/sdc1" show?

>From journal:

blk_update_request: I/O error, dev sdc, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Buffer I/O error on dev sdc, logical block 5, async page read
sd 4:0:0:0: [sdc] tag#20 timing out command, waited 180s
sd 4:0:0:0: [sdc] tag#20 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=201s
sd 4:0:0:0: [sdc] tag#20 Sense Key : Not Ready [current] 

Filesystem is ext4.
 
"file -s /dev/sdc1" just hangs, no output, have to close terminal to stop the hang.

-- 
Erik P. Olsen - Copenhagen, Denmark
Fedora 33/64 bit xfce Claws-Mail POP3 Gramps 5.1.3 Bacula 9.6.5
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