I was trying to extend the SMART test interval from the default of 1800 (30 min) to something longer (like one day). I noticed the /etc/smartd.conf doesn't contain the information.
Where is the updated time managed?
Code
# /etc/smartd.conf
# Configuration file for smartd. Use "man smartd.conf" for more information.
#
# This configuration file is auto-generated.
# WARNING: Do not edit this file, your changes will be lost.
/dev/disk/by-id/ata-INTEL_SSDSC2BW120H6_CVTR5306006N120AGN -a -o on -S on -T permissive -W 0,0,0 -I 194 -I 231 -n standby,q -m x@gmail.com -M exec /usr/share/smartmontools/smartd-runner
/dev/disk/by-id/ata-Samsung_SSD_850_EVO_500GB_S21HNXAG905578D -a -o on -S on -T permissive -W 0,0,0 -I 194 -I 231 -n standby,q -m x@gmail.com -M exec /usr/share/smartmontools/smartd-runner
/dev/disk/by-id/ata-SAMSUNG_HM640JJ_S2AWJDNB303028 -a -o on -S on -T permissive -W 0,0,0 -I 194 -I 231 -n standby,q -m x@gmail.com -M exec /usr/share/smartmontools/smartd-runner