Spontaneous reboot?

[rogerh]

Or there was simply nothing to log. It is the middle of the night. Notice the 2-hour gap from 02:something to 04:something.

Yes, their doesn't seem to be any regular mark to check that everything is ticking over in FreeNAS.

 

[GrahamBB]

Another observation, assuming the log you posted originally is continuous. Before the machine rebooted at 06.19 there were no log messages after 04.46. So either it was locked up by some software process that prevented logging for an hour and a half or we must be dealing with two intermittent power or connection issues, one that stopped it and another that restarted it. Does that make sense?

Yes, it does. That's why we are suspecting a hardware fault. Our research has revealed posts that the R710 is known for this. We have tuned memory settings as per some of those recommendations. We'll see if that works any magic!

Cheers