Lifetime temperatures are actually ones from last powerup, SAMSUNG HD502HI

[scop]

# ./smartctl -a /dev/sdb
smartctl 5.40 2010-10-03 r3176 [i686-pc-linux-gnu] (local build)
[...]
Model Family:     SAMSUNG SpinPoint F2 EG series
Device Model:     SAMSUNG HD502HI
[...]
Firmware Version: 1AG01118
[...]
190 Airflow_Temperature_Cel 0x0022   073   066   000    Old_age   Always       -       27 (Lifetime Min/Max 22/27)
194 Temperature_Celsius     0x0022   071   064   000    Old_age   Always       -       29 (Lifetime Min/Max 22/29)
[...]

The "Lifetime Min/Max" values at least for disk are not the min/max temperature of the disk's whole lifetime, but instead I believe the min/max since the last power cycle of the disk (or at least they are the min/max since the last "cold" start of the box this disk is in).

[Christian Franke]

r3185.