Which four can the SMF notification framework be configured to monitor and report?
A.
all service transition states
B.
service dependencies that have stopped or faulted
C.
service configuration modifications
D.
legacy services that have not started
E.
services that have been disabled
F.
service fault management events
G.
processes that have been killed
Explanation:
Note 1: State Transition Sets are defined as:
to<state>
Set of all transitions that have <state> as the final state of the transition.
form-<state>
Set of all transitions that have <state> as the initial state of the transition.
<state>
Set of all transitions that have <state> as the initial state of the transition.
all
Set of all transitions. (A)
Valid values of state are maintenance, offline (G), disabled (E), online and degraded. An example
of a transitions set definition: maintenance, from-online, to-degraded.
F: In this context, events is a comma separated list of SMF state transition sets or a comma
separated list of FMA (Fault Management Architecture) event classes. events cannot have a mix
of SMF state transition sets and FMA event classes. For convenience, the tags problem-{diagnosed,updated,repaired,resolved} describe the lifecycle of a problem diagnosed by the FMA
subsystem – from initial diagnosis to interim updates and finally problem closure.
Note 2:
SMF allows notification by using SNMP or SMTP of state transitions. It publishes Information
Events for state transitions which are consumed by notification daemons like snmp-notify(1M) andsmtp-notify(1M). SMF state transitions of disabled services do not generate notifications unless
the final state for the transition is disabled and there exist notification parameters for that
transition. Notification is not be generated for transitions that have the same initial and final state.
Reference: man svccfg setnotify
A, B, C and E
F and G is wrong option for this scenario. A,B,C,D,E option seen to be correct…but it required 4.. but i am in doubt A & D……
I’ll have to pick A, B, E & F
D is wrong – legacy instances are not managed by the SMF but they can only be observed using the facility and are not transferred into other states.
G is wrong – On top of that I find the explanation here very misleading, since when has the SMF managed the processes state? Service state being offline doesn’t not mean a process was killed.
Well no arguing with A & E.
Reason for B is because, even if it a service dependency but it is also monitored on it’s own and when it stopped it means it changes state to either offline, etc.
Reason for F: man scvvfg
setnotify {[-g] tset | class} notification_parameters
Sets notifications parameters for software events and Fault Management problem lifecycle events in the SMF repository.
Sorry typo.. man svccfg
A,B,C,E
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