sudo smartctl -i /dev/sda
smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.19.0-8-amd64] (local build)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Intel 520 Series SSDs
Device Model: INTEL SSDSC2CW240A3
Serial Number: CVCV204402??????GN
LU WWN Device Id: 5 001517 bb2????67
Firmware Version: 400i
User Capacity: 240,057,409,536 bytes [240 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-2 T13/2015-D revision 3
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Tue Apr 21 10:48:33 2020 CEST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
[ 1197.297050] ata1.00: exception Emask 0x0 SAct 0x703fffc SErr 0x40000 action 0x6 frozen
[ 1197.298108] ata1: SError: { CommWake }
[ 1197.299162] ata1.00: failed command: WRITE FPDMA QUEUED
[ 1197.300232] ata1.00: cmd 61/08:10:f8:62:e8/00:00:03:00:00/40 tag 2 ncq dma 4096 out
res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[ 1197.302431] ata1.00: status: { DRDY }
[ 1197.303522] ata1.00: failed command: WRITE FPDMA QUEUED
[ 1197.304623] ata1.00: cmd 61/08:18:10:63:e8/00:00:03:00:00/40 tag 3 ncq dma 4096 out
res 40/00:01:00:00:00/00:00:00:00:00/e0 Emask 0x4 (timeout)
file /sys/block/sd*
/sys/block/sda: symbolic link to ../devices/pci0000:00/0000:00:1f.2/ata1/host0/target0:0:0/0:0:0:0/block/sda
/sys/block/sdb: symbolic link to ../devices/pci0000:00/0000:00:1f.2/ata3/host2/target2:0:0/2:0:0:0/block/sdb