The system works unstable

[Steven Hartland]

If you have remote console via IPMI it might be an idea to leave an 
active top session so you can see the last point at which the machine 
stopped. It may provided a pointer to bad process e.g. eating all the 
machine RAM.

     Regards
     Steve

On 14/09/2017 11:30, wishmaster wrote:
> Hi!
>
> My 11.0-STABLE system had been working stable for a three last years, but became unstable a week ago. The system just freezes about once/2 days (at night) and no responsive via network, nothing in the console.
> Before the first freezing I had made updates of applications in the base system and jails.
> Options VIMAGE and Linux compat. are enabled.
>
> The first thought was bad sectors on the HDD, but  dd if=/dev/ada0 of=/dev/null bs=128k rejected this one.
>
> How can I debug this situation?
>
> Thank,
> Vit
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