Loosing connectivity to unraid – not sure why.


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For some reason I am having a chronic issue with loosing connectivity to unraid. 

The dashboard, the array, everything becomes inaccessible.

The server is still working cause I can access the server management dashboard and I can see unraid is still running, but the network is down.

This has happened  three or four distinct times.

Once is when I stopped the array.  I restarted it and things were going fine.  I then started my windows vm and  a few minutes later the system became inaccessible.

The second is when I wake the system from sleep.   The system comes up fine then goes offline.

Only way to get access is to restart the server.   From a clean reboot, when I start the dockers and all vms everything works fine.

Not sure where to look for solutions.  Any help would be appreciated.

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Another odd, possibly related issue. 

I'm watching Plex and deleting a few files using krusader docker and all of a sudden I loose connectivity to the shares folder.

From what I can see the user folder with all my shares is empty.  Fortunately all the files and shares still live on a user0 drive.  

 

A reboot appears to have fixed the problem.   I've attached the part of the log that appears relevant.

 

Any help is, of course, appreciated. 

new 2.txt

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Ok.  I am beginning to think this is connected to the vm.

After rebooting a windows server vm, I lost connectivity for a short time (perhaps until the vm started back up).

 

In the log I have these odd entries:

Quote

Feb 25 22:48:28 Unraid kernel: clocksource: timekeeping watchdog on CPU31: Marking clocksource 'tsc' as unstable because the skew is too large:
Feb 25 22:48:28 Unraid kernel: clocksource: 'hpet' wd_now: 66658f6d wd_last: 8973c104 mask: ffffffff
Feb 25 22:48:28 Unraid kernel: clocksource: 'tsc' cs_now: be07e86a944c cs_last: bd9b688cd446 mask: ffffffffffffffff
Feb 25 22:48:28 Unraid kernel: tsc: Marking TSC unstable due to clocksource watchdog
Feb 25 22:48:28 Unraid kernel: br0: port 1(eth0) entered disabled state
Feb 25 22:48:28 Unraid kernel: br0: port 1(eth0) entered blocking state
Feb 25 22:48:28 Unraid kernel: br0: port 1(eth0) entered forwarding state
Feb 25 22:48:28 Unraid kernel: TSC found unstable after boot, most likely due to broken BIOS. Use 'tsc=unstable'.
Feb 25 22:48:28 Unraid kernel: sched_clock: Marking unstable (115906422025000, 2138118)<-(115906854020732, -429783621)
Feb 25 22:48:28 Unraid kernel: clocksource: Switched to clocksource hpet
Feb 25 22:48:28 Unraid kernel: igb 0000:05:00.0 eth0: igb: eth0 NIC Link is Down
Feb 25 22:48:32 Unraid kernel: igb 0000:05:00.0 eth0: igb: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
Feb 25 22:48:33 Unraid kernel: br0: port 1(eth0) entered disabled state
Feb 25 22:48:33 Unraid kernel: br0: port 1(eth0) entered blocking state
Feb 25 22:48:33 Unraid kernel: br0: port 1(eth0) entered forwarding state 

A quick Google search and I came up with a few entries all dealing with vms including this one.

 

I have a 750w power supply with two Intel® Xeon® CPU E5-2648L v3 @ 1.80GHz.  

I have two vms and 13 dockers running at all times.  Average cpu load is about 40-50%.

Could this be a hardware issue?

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