January 19, 20251 yr Hello, I keep encountering corruption on my btrfs cache drive. I have reformatted the cache drive and started fresh multiple times. The corruption seems to occur once my arr apps are setup and a torrent completes. I currently have qBittorrent to "stop" torrents when seeding is 0 just for testing, then the arr apps will remove the completes. Sometimes I can clear the corruption by deleting everything in my cache, then "btrfs dev stats -z /mnt/cache" and "btrfs scrub start -Bf /dev/nvme0n1p1", but it just keeps coming back. I've already replaced my cache nvme drive. I plan to test my memory modules 1 by 1 if I don't have any conclusions based on my diagnostics. I've posted my diagnostics, any input would be appreciated. I believe the arr configuration or mover is the cause. Edited January 20, 20251 yr by cannukker
January 19, 20251 yr Community Expert Solution Jan 19 10:11:36 E-NAS kernel: BTRFS warning (device nvme0n1p1): csum failed root 5 ino 354410 off 2149146624 csum 0x0e9bd184 expected csum 0x6cad0ad0 mirror 1 Jan 19 10:11:36 E-NAS kernel: BTRFS error (device nvme0n1p1): bdev /dev/nvme0n1p1 errs: wr 0, rd 0, flush 0, corrupt 1, gen 0 btrfs csum failed is almost certainly bad RAM.
January 19, 20251 yr Author Thank you, that was one of my suspicions. I had 8 months of stability until this started showing up. I'll test/replace the RAM. Edited January 19, 20251 yr by cannukker
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