ssctuner writes messages to syslog and to the ssctuner service log. Those messages are tagged as ssctuner and might point to other file locations for more information.
# svcs -x ssctuner
svc:/site/application/sysadmin/ssctuner:default (ssctuner for Oracle SuperCluster)
State: online since September 28, 2012 07:30:15 AM PDT
See: ssctuner(l)
See: /var/svc/log/site-application-sysadmin-ssctuner:default.log
Impact: None.
# more /var/svc/log/site-application-sysadmin-ssctuner\:default.log
[ Sep 28 07:30:00 Disabled. ]
[ Sep 28 07:30:00 Rereading configuration. ]
[ Sep 28 07:30:10 Enabled. ]
[ Sep 28 07:30:10 Executing start method ("/opt/oracle.supercluster/ssctuner.ksh start"). ]
ssctuner local0.notice success: Saved rollback for : /etc/system
ssctuner local0.notice success: Saved ndd rollback.
ssctuner local0.notice success: Saved rollback for : /kernel/drv/sd.conf
ssctuner local0.notice success: enabled, version 0.99e. daemon PID= 14599
[ Sep 28 07:30:15 Method "start" exited with status 0. ]
ssctuner local0.notice success: daemon executing
ssctuner local0.notice success: Changes made to /etc/system
ssctuner local0.notice success: Changes made to /kernel/drv/sd.conf
# grep -i ssctuner /var/adm/messages Sep 28 07:30:10 etc6cn04 ssctuner: [ID 702911 local0.notice] success: Saved rollback for : /etc/system Sep 28 07:30:10 etc6cn04 ssctuner: [ID 702911 local0.notice] success: Saved ndd rollback. Sep 28 07:30:10 etc6cn04 ssctuner: [ID 702911 local0.notice] success: Saved rollback for : /kernel/drv/sd.conf Sep 28 07:30:15 etc6cn04 ssctuner: [ID 702911 local0.notice] success: enabled, version 0.99e. daemon PID= 14599 Sep 28 07:30:15 etc6cn04 ssctuner: [ID 702911 local0.notice] success: daemon executing Sep 28 07:30:15 etc6cn04 ssctuner: [ID 702911 local0.notice] success: Changes made to /etc/system Sep 28 07:30:15 etc6cn04 ssctuner: [ID 702911 local0.notice] success: Changes made to /kernel/drv/sd.conf