SMART's default WebGUI options allow you to only set a single temperature for difference, informationl, and critical.
Critical will send you an email, and for situations like a FreeNAS Mini this could get annoying. The 4 disks installed in the bays stay cool, but the built-in SATA DOM can often exceed the recommended temperatures. Of course, getting regular alarms because your SATA DOM is over the limit you set for the rotating disks (which should be no higher than 40C) can be a pain....
Setting different temperatures for disks in SMART
Critical will send you an email, and for situations like a FreeNAS Mini this could get annoying. The 4 disks installed in the bays stay cool, but the built-in SATA DOM can often exceed the recommended temperatures. Of course, getting regular alarms because your SATA DOM is over the limit you set for the rotating disks (which should be no higher than 40C) can be a pain....
Setting different temperatures for disks in SMART