July 4, 20197 yr Hello, I started getting this error about 4 days after I upgraded to v6.7.1. I have 4 docker containers (duckdns, openvpn-as, PlexMediaServer, & smokeping) & they all stopped & will not restart (reports Execution Error when I try to restart them). At first I thought the problem was related to the advanced server tuning that I did after watching this most excellent video by Spaceinvader One. However, after reading here that BTRFS errors tend to imply some kind of problem with the cache drive & after looking at the recent red alerts on my server all showing disk space low on my cache drive, I'm pretty sure the problem is with my cache drive. A simple restart of my server will get the dockers running again, but if anybody has any ideas on how to fix this problem I would certainly appreciate it. The full error reads like the below & just kept repeating
July 4, 20197 yr Community Expert Cache filesystem is fully allocated, this will result in ENOSPC errors, see here for how to proceed: https://forums.unraid.net/topic/62230-out-of-space-errors-on-cache-drive/?do=findComment&comment=610551 After that's done recreate the docker image. Edited July 4, 20197 yr by johnnie.black
July 6, 20197 yr Author Thanks johnnie.black. I did as you instructed & I now have over 50G of free space on my SSD cache. I will be watching closely over the next 3-5 days to see how it performs.
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