Hi, If there is some partition size change after filesystem created, 'btrfs filesystem resize max' will help.
See also https://lore.kernel.org/linux-btrfs/42d37a6393db7ad5d83bc167459c8...@steev.me.uk/T/#t Best Regards Wang Yugui (wangyu...@e16-tech.com) 2021/03/12 > Hello, > > I have observed this error messages in systemd journal: > BTRFS error (device sda1): bdev /dev/sdb1 errs: wr 2702175, rd 2719033, > flush 0, corrupt 6, gen 0 > > Here are the bottom lines of journalctl -xb: > ?r 12 08:30:41 pc1-desktop kernel: attempt to access beyond end of device > ???????????????????????????????????? sdb1: rw=524288, want=497859712, > limit=496091703 > M?r 12 08:30:41 pc1-desktop kernel: attempt to access beyond end of device > ???????????????????????????????????? sdb1: rw=524288, want=497859840, > limit=496091703 > M?r 12 08:30:41 pc1-desktop kernel: attempt to access beyond end of device > ???????????????????????????????????? sdb1: rw=256, want=497859704, > limit=496091703 > M?r 12 08:30:41 pc1-desktop kernel: BTRFS error (device sda1): bdev > /dev/sdb1 errs: wr 2702175, rd 2719033, flush 0, corrupt 6, gen 0 > M?r 12 08:30:41 pc1-desktop kernel: attempt to access beyond end of device > ???????????????????????????????????? sdb1: rw=256, want=497859720, > limit=496091703 > M?r 12 08:30:41 pc1-desktop kernel: attempt to access beyond end of device > ???????????????????????????????????? sdb1: rw=524288, want=497859968, > limit=496091703 > M?r 12 08:30:41 pc1-desktop kernel: BTRFS error (device sda1): bdev > /dev/sdb1 errs: wr 2702175, rd 2719034, flush 0, corrupt 6, gen 0 > M?r 12 08:30:41 pc1-desktop kernel: attempt to access beyond end of device > ???????????????????????????????????? sdb1: rw=256, want=497859728, > limit=496091703 > M?r 12 08:30:41 pc1-desktop kernel: attempt to access beyond end of device > ???????????????????????????????????? sdb1: rw=256, want=497859712, > limit=496091703 > M?r 12 08:30:41 pc1-desktop kernel: BTRFS error (device sda1): bdev > /dev/sdb1 errs: wr 2702175, rd 2719035, flush 0, corrupt 6, gen 0 > M?r 12 08:30:41 pc1-desktop kernel: attempt to access beyond end of device > ???????????????????????????????????? sdb1: rw=524288, want=497860096, > limit=496091703 > M?r 12 08:30:41 pc1-desktop kernel: BTRFS error (device sda1): bdev > /dev/sdb1 errs: wr 2702175, rd 2719036, flush 0, corrupt 6, gen 0 > M?r 12 08:30:41 pc1-desktop kernel: attempt to access beyond end of device > ???????????????????????????????????? sdb1: rw=256, want=497859736, > limit=496091703 > M?r 12 08:30:41 pc1-desktop kernel: attempt to access beyond end of device > ???????????????????????????????????? sdb1: rw=256, want=497859848, > limit=496091703 > M?r 12 08:30:41 pc1-desktop kernel: BTRFS error (device sda1): bdev > /dev/sdb1 errs: wr 2702175, rd 2719037, flush 0, corrupt 6, gen 0 > M?r 12 08:30:41 pc1-desktop kernel: BTRFS error (device sda1): bdev > /dev/sdb1 errs: wr 2702175, rd 2719038, flush 0, corrupt 6, gen 0 > M?r 12 08:30:41 pc1-desktop kernel: BTRFS error (device sda1): bdev > /dev/sdb1 errs: wr 2702175, rd 2719039, flush 0, corrupt 6, gen 0 > M?r 12 08:30:41 pc1-desktop kernel: BTRFS error (device sda1): bdev > /dev/sdb1 errs: wr 2702175, rd 2719040, flush 0, corrupt 6, gen 0 > M?r 12 08:30:41 pc1-desktop kernel: BTRFS error (device sda1): bdev > /dev/sdb1 errs: wr 2702175, rd 2719041, flush 0, corrupt 6, gen 0 > > > I have configured a multidrive setup with 2 identical SSDs. > > [root@pc1-desktop ~]# uname -a > Linux pc1-desktop 5.10.22-2-lts #1 SMP Wed, 10 Mar 2021 10:30:57 +0000 > x86_64 GNU/Linux > [root@pc1-desktop ~]# btrfs --version > btrfs-progs v5.11 > [root@pc1-desktop ~]# btrfs fi show > Label: 'archlinux'? uuid: 78462a70-55ad-4444-9d91-e71e42cce51c > ??? Total devices 2 FS bytes used 178.93GiB > ??? devid??? 1 size 236.55GiB used 233.50GiB path /dev/sda1 > ??? devid??? 2 size 238.47GiB used 233.50GiB path /dev/sdb1 > > Label: 'backup'? uuid: de094dc0-58b7-4931-b948-4b920495bf94 > ??? Total devices 1 FS bytes used 210.97GiB > ??? devid??? 1 size 232.89GiB used 228.87GiB path /dev/sdd > > [root@pc1-desktop ~]# btrfs fi df / > Data, RAID1: total=229.47GiB, used=175.82GiB > System, RAID1: total=32.00MiB, used=64.00KiB > Metadata, RAID1: total=4.00GiB, used=3.11GiB > GlobalReserve, single: total=512.00MiB, used=0.00B > > > Can you please advise how to fix these errors? > > > Regards > Thomas