in debian based systems you have to set SA1_OPTIONS="-S DISK -S POWER -S ..." in /etc/sysstat/sysstat
You can also set -S XALL
to collect all information
see man 8 sdac
- there is also the following important note:
Important note: The activities (including optional ones) saved in an existing data file prevail over those selected with option -S. As a consequence, appending data to an existing data file will result in option -S being ignored.
Meaning, if todays sysstat-file already exists (e.g.: /var/log/sysstat/sa17
) you have to remove that file first. So that sysstat can fill the new file with the additional information from -S DISK
(you could create a file manually with sdac, but deleting todays sysstat file ist easier)
(sidenote: to use -S POWER
which will give you sar -m FAN
or sar -m TEMP
output, you have to install lm-sensors
and run sensors-detect
successfully)