Quoth Jordan Brown on Thu, Sep 18, 2008 at 09:56:01AM -0700: > Has anybody given much thought to "active" health monitoring of > services, where SMF (either periodically or on demand) performs some > service-specific "ping" of the service to determine whether it's healthy? > > The idea would be to detect services that are "running", in a process > sense, but that have stopped responding.
Yes, these are known as "monitors". They have not been implemented, though parts of the SMF design allow for them. (In particular, the "degraded" state.) I seem to recall that they have been discussed on this alias in the past, but am not sure. David
