===== LOG =====

  * https://mastodon.social/@rzr/104035820081467881#
    * http://en.techinfodepot.shoutwiki.com/wiki/Intel_520_Series_240GB_(SSDSC2CW240A3)#
    * https://ark.intel.com/content/www/us/en/ark/products/66250/intel-ssd-520-series-240gb-2-5in-sata-6gb-s-25nm-mlc.html# #SSD : How #ssd #hardisk are dying ? what should I look at ? #smart #SSDSC2CW240A3 #Intel 520 Series SSDs  9 Power_On_Hours_and_Msec 0x0032   000   000   000    Old_age   Always       -       910352h+20m+06.320s < 1,200,000 Hours Mean Time Between Failures (MTBF)

===== ATA =====

<code>
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
</code>

===== ERROR =====

<code>
[ 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

</code>


===== MORE =====

  * https://fr.aliexpress.com/item/1005003899286646.html# NvMe
  * https://github.com/linuxhw/SMART#nvme-by-model# ReliabilitY