In my dmesg logs I get following errors a lot:
[232671.710741] BTRFS warning (device nvme0n1p2): csum failed root 257 ino 2496314 off 946159616 csum 0xb7eb9798 expected csum 0x3803f9f6 mirror 1
[232671.710746] BTRFS error (device nvme0n1p2): bdev /dev/nvme0n1p2 errs: wr 0, rd 0, flush 0, corrupt 19297, gen 0
[232673.984324] BTRFS warning (device nvme0n1p2): csum failed root 257 ino 2496314 off 946159616 csum 0xb7eb9798 expected csum 0x3803f9f6 mirror 1
[232673.984329] BTRFS error (device nvme0n1p2): bdev /dev/nvme0n1p2 errs: wr 0, rd 0, flush 0, corrupt 19298, gen 0
[232673.988851] BTRFS warning (device nvme0n1p2): csum failed root 257 ino 2496314 off 946159616 csum 0xb7eb9798 expected csum 0x3803f9f6 mirror 1
I’ve run btrfs scrub start -Bd /home as described here. The report afterwards claim everything is fine.
btrfs scrub status /home
UUID: 145c0d63-05f8-43a2-934b-7583cb5f6100
Scrub started: Fri Aug 4 11:35:19 2023
Status: finished
Duration: 0:07:49
Total to scrub: 480.21GiB
Rate: 1.02GiB/s
Error summary: no errors found
root@archiso ~ # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS loop0 7:0 0 673M 1 loop /run/archiso/airootfs sda 8:0 0 476.9G 0 disk └─sda1 8:1 0 476.9G 0 part sdb 8:16 0 119.2G 0 disk └─sdb1 8:17 0 119.2G 0 part sdc 8:32 1 14.4G 0 disk ├─sdc1 8:33 1 778M 0 part └─sdc2 8:34 1 15M 0 part nvme0n1 259:0 0 931.5G 0 disk ├─nvme0n1p1 259:1 0 511M 0 part └─nvme0n1p2 259:2 0 931G 0 part root@archiso ~ # btrfs check /dev/nvme0n1p2 Opening filesystem to check... Checking filesystem on /dev/nvme0n1p2 UUID: 145c0d63-05f8-43a2-934b-7583cb5f6100 [1/7] checking root items [2/7] checking extents [3/7] checking free space tree [4/7] checking fs roots [5/7] checking only csums items (without verifying data) [6/7] checking root refs [7/7] checking quota groups skipped (not enabled on this FS) found 514161029120 bytes used, no error found total csum bytes: 496182240 total tree bytes: 1464221696 total fs tree bytes: 813809664 total extent tree bytes: 57655296 btree space waste bytes: 248053148 file data blocks allocated: 4385471590400 referenced 512920408064 btrfs check /dev/nvme0n1p2 4.15s user 1.66s system 62% cpu 9.316 total