The ssctuner utility is a small set of Perl/Korn shell scripts and configuration files designed to run on Oracle Solaris 10/11 global zones. It runs as an SMF service to monitor and tune, in real time:
/etc/system
ndd parameters
/kernel/drv/sd.conf
/kernel/drv/ibd.conf
and periodically checks for other things like use of DISM or suboptimal NFS mount options. The utility runs every two hours and modifies these parameters as needed.
The utility also checks, every two minutes, to see if there are any virtual disk devices in the degraded state that have come back online and will clear that zpool if so.
If you must control one or more of the parameters ssctuner manages, consider turning off those specific components rather than disabling ssctuner completely.
These topic describe how to:
For more information about SMF services on the Oracle Solaris OS, see the Oracle Solaris System Administration Guide: Common System Management Tasks at:
http://docs.oracle.com/cd/E23824_01/html/821-1451/hbrunlevels-25516.html#scrolltoc