smartd logs unreadable (pending) sectors

Jerry jerry at
Wed May 20 11:31:01 UTC 2020

On Wed, 20 May 2020 11:54:12 +0200, Christoph Kukulies commented:
>I’m getting all of a sudden:
>May 20 10:38:20 pc235 smartd[790]: Device: /dev/ada1, 2 Currently
>unreadable (pending) sectors May 20 10:38:20 pc235 smartd[790]:
>Device: /dev/ada1, 2 Offline uncorrectable sectors May 20 11:08:21
>pc235 smartd[790]: Device: /dev/ada1, 2 Currently unreadable (pending)
>sectors May 20 11:08:21 pc235 smartd[790]: Device: /dev/ada1, 2
>Offline uncorrectable sectors May 20 11:38:20 pc235 smartd[790]:
>Device: /dev/ada1, 2 Currently unreadable (pending) sectors May 20
>11:38:20 pc235 smartd[790]: Device: /dev/ada1, 2 Offline uncorrectable
>$ dmesg  | grep ada1
>ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
>ada1: <WDC WD10EADS-22M2B0 01.00A01> ATA8-ACS SATA 2.x device
>ada1: Serial Number WD-WMAV50596027
>ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
>ada1: Command Queueing enabled
>ada1: 953869MB (1953525168 512 byte sectors)
>Do I have to be concerned? Kick out the drive?

I have had problems like that with Seagate drives tool. After posting
on the manufacturers forum, I was informed it is mostly just useless
information. In any case, I used the Seagate manufactures' tools to
'fix' the problem.

In your case, you have a WD drive. Go to this URL and follow the

The instructions for creating the bootable USB drive are for a Windows
system. You could either use a Windows machine to create the disk, or
attempt to do so from your PC. I leave the exercise up to you.

Report back. I would be interested in your results.

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