Randomly timed freeze (or crash?)


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Hello,

Just upgraded to Unraid 6.7.0, love the new interface!
However, after a random amount of time (10 minutes up to 6 hours) the server becomes unreachable, either by web GUI or PUTTY... seems like a freeze or a crash that doesn't force the restart of the server.
I'm currently running an extended memtest, just to make sure everything is okay on that end.

Is there anything in the diagnostics that looks weird?

Thanks,
L&M

vicsiic-diagnostics-20190619-0727.zip

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Nothing stands out there.   It is very short so does that mean that the system crashed/froze almost immediately?

 

Not sure what to say other than the fact that such crashes/freezes are nearly always related to hardware in some way.   Commonest cause is RAM but you say you have run an extended memtest.   Other common possibilities are temperature (causing thermal shutdown of the CPU) or power.

 

Probably will not help but it might be worth starting the array in Maintenance mode and then clicking on each drive in turn to run a file system check.   Not sure if that can ever cause your symptoms but checking would be both easy and harmless.

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Thanks for the input, Ram testing is underway, it didn't finish yet.

 

That's also my best guess.

 

also, yes - very short after the boot I caught the hang on the syslog above.

 

CPU temps are certainly not locking up the computer, watercooled Xeons stay at 29C.

RAM temps, on the other hand... might be causing this.

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