April 19, 20206 yr About once a day (though not nearly at the same time each day), I'm having a very strange type of....crash? The server will drop off the network - UnRAID's webUI and the web UIs of the Docker containers will stop responding, and the server will no longer respond to ping. If I get on the server's console (which I can still do over iDRAC), I can't even ping the gateway. Oddly, the ping command doesn't output anything while it's running, only the statistics when I hit Ctrl-C. I try to run `diagnostics`, it says "Starting diagnostics collection..." but never makes it any further, it'll stay there indefinitely and never write the diagnostic .zip file. My only recourse is to force reboot it. Attached is the diagnostics file pulled from the machine after I rebooted it the last time this happened (about 30 minutes ago), though I know that's not nearly as useful as the diagnostics pulled immediately after it fails. I would pull those if I could! The server is a Dell PowerEdge R510 with these specs: 2x Intel Xeon X5670 (purchased from ServerMonkey, originally 2x L5640) 128GB RAM (8x16GB purchased from ServerMonkey, originally an oddball 40GB config) Dell H200 flashed to IT mode (by previous owner) 2 x WD 8TB WD80EMAZ drives shucked from WD Easystore enclosures, 1 data and 1 parity Samsung 850 EVO 500GB, cache OCZ Rally2 16GB connected to internal USB port, boot iDRAC6 Enterprise in Shared NIC mode. I've run an all night memtest, which it passed. It's also passed Dell's onboard hardware diagnostics. Docker containers (running, also have a few that sit stopped): abiosoft/caddy:php-no-stats linuxserver/plex linuxserver/sonarr linuxserver/radarr binhex/arch-delugevpn tautulli/tautulli linuxserver/jackett siwatinc/homebridge_gui_unraid Haven't yet tried running without the Docker containers, I just now disabled Docker to see if that helps at all. Plugins: CA Auto Update Applications CA Backup / Restore Appdata CA Cleanup Appdata Community Applications ControlR Dynamix SSD TRIM Dynamix System Temperature Fix Common Problems Nerd Tools Network Statistics Preclear Disks ssh Plugin Statistics Theme Engine Unassigned Devices Unassigned Devices Plus unBALANCE User Scripts Thank you in advance for any help you can provide! jarvis-diagnostics-20200419-1738.zip
April 19, 20206 yr Community Expert https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=781601
April 20, 20206 yr Author 2 hours ago, trurl said: https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=781601 10-4. I set it up to log to another box (thank goodness for the syslog-ng Docker) and will let it run overnight with Docker turned off, then if that stays up I'll add Docker back into the mix and see if I can make it fail and give me logs.
April 21, 20206 yr Author OK, so I'm coming up on 48 straight hours with the box up and running fine with Docker turned off. Granted, the box has seen almost no use, given that Plex and my Caddy web server aren't running. Nothing at all out of the ordinary has appeared on my syslog server. I'm currently debating whether to spin all of my Docker containers back up and wait for something juicy to hit the syslog, or spin up just a few containers and gradually add them (with perhaps a day's wait in between) to see if I can narrow down what might be causing the issue.
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