August 27, 2025Aug 27 Hi.I have 1 SSD NVME 2TB on cache.Since yesterday, I have been encountering problems, and when I checked the log, I saw this warning.Aug 27 10:23:39 DMServer kernel: BTRFS warning (device nvme1n1p1): csum failed root 5 ino 4628012 off 4277510144 csum 0xed4ff5ef expected csum 0xed4f53ef mirror 1Aug 27 10:23:39 DMServer kernel: BTRFS error (device nvme1n1p1): bdev /dev/nvme1n1p1 errs: wr 0, rd 0, flush 0, corrupt 35, gen 0Aug 27 10:23:39 DMServer kernel: BTRFS warning (device nvme1n1p1): csum failed root 5 ino 4628012 off 4277510144 csum 0xed4ff5ef expected csum 0xed4f53ef mirror 1Aug 27 10:23:39 DMServer kernel: BTRFS error (device nvme1n1p1): bdev /dev/nvme1n1p1 errs: wr 0, rd 0, flush 0, corrupt 36, gen 0Aug 27 10:23:39 DMServer kernel: BTRFS warning (device nvme1n1p1): csum failed root 5 ino 4628012 off 4277510144 csum 0xed4ff5ef expected csum 0xed4f53ef mirror 1Aug 27 10:23:39 DMServer kernel: BTRFS error (device nvme1n1p1): bdev /dev/nvme1n1p1 errs: wr 0, rd 0, flush 0, corrupt 37, gen 0It won't let me copy or move files from the cache to the RAID disks. But, for example, if I create a folder called “test” and move it, I have no problem. I tried creating a 1 GB file and had no problem either.But, for example, I tried to copy the docker.img and couldn't. dmserver-diagnostics-20250827-0716.zip
August 27, 2025Aug 27 Community Expert Solution Btrfs is detecting data corruption, recommend running memtest.
August 29, 2025Aug 29 Author On 8/27/2025 at 1:20 PM, JorgeB said:Btrfs is detecting data corruption, recommend running memtest.I ran a test and got an error. I replaced all the modules with others I had at home, and so far, I haven't gotten any more errors.Thank you!
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