Hard drive
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Linux commands
dmesg | grep -i sata | grep 'link up' # Get SATA/SAS speed link
lsblk -o NAME,MODEL,SERIAL,WWN,HCTL # Retrieve informations
udevadm info --query=all --name=/dev/sda # Retrieve informations
To rescan disk
echo "- - -" > /sys/class/scsi_host/host0/scan