January 24, 20251 yr I got home yesterday and plex had stopped working. When I logged in I noticed the error on my cache drive. It is an SSD with btrfs format that I used to keep all of my appdata on so that things would be snappy. All of the smart tests on the drive say there are no errors and it should be working fine. is there a simple repair I can run to make this mountable again and restore my appdata?
January 24, 20251 yr Community Expert The pool has a corrupt filesystem, see here for some recovery options: https://forums.unraid.net/topic/46802-faq-for-unraid-v6/page/2/#findComment-543490
January 24, 20251 yr Author No valid Btrfs found on /dev/nvme0n1 Could not open root, trying backup super No valid Btrfs found on /dev/nvme0n1 Could not open root, trying backup super No valid Btrfs found on /dev/nvme0n1 Could not open root, trying backup super I thought it was the same File system as I use on my other server but maybe not? is there an easy way to chech the file system used on a drive that fails to mount? Sorry i don't know too much about commands on unraid or in general
January 24, 20251 yr Community Expert 19 minutes ago, Kvo1087 said: No valid Btrfs found on /dev/nvme0n1 This is not correct, it's missing the partition, try /dev/nvme0n1p1
January 24, 20251 yr Author # btrfs restore -v /dev/nvme0n1p1 /mnt/disk2/restore ERROR: failed mkdir /mnt/disk2/restore/appdata: No such file or directory Am i putting this in correctly? Edit: I forgot to restart the array so the destination was available. after doing that I got this: btrfs restore -v /dev/nvme0n1p1 /mnt/disk2/Restore offset is 4096 offset is 28672 offset is 4096 offset is 4096 Edited January 24, 20251 yr by Kvo1087 update
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