Hi All,
Early this morning there was a power glitch that affected our system. The second enclosure went offline but the file system stayed up for a bit before rebooting and recovering the 2 missing arrays sdb1 and sdc1. When mounting we get.... Aug 12 14:52:43 localhost kernel: [ 8536.649270] BTRFS info (device sda1): has skinny extents Aug 12 14:54:52 localhost kernel: [ 8665.900321] BTRFS error (device sda1): parent transid verify failed on 177443463479296 wanted 2159304 found 2159295 Aug 12 14:54:52 localhost kernel: [ 8665.985512] BTRFS error (device sda1): parent transid verify failed on 177443463479296 wanted 2159304 found 2159295 Aug 12 14:54:52 localhost kernel: [ 8666.056845] BTRFS error (device sda1): failed to read block groups: -5 Aug 12 14:54:52 localhost kernel: [ 8666.254178] BTRFS error (device sda1): open_ctree failed We are here... # uname -a Linux localhost 4.17.14-custom #1 SMP Sun Aug 12 11:54:00 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux # btrfs --version btrfs-progs v4.17.1 # btrfs filesystem show Label: none uuid: 8337c837-58cb-430a-a929-7f6d2f50bdbb Total devices 3 FS bytes used 75.05TiB devid 1 size 47.30TiB used 42.07TiB path /dev/sda1 devid 2 size 21.83TiB used 16.61TiB path /dev/sdb1 devid 3 size 21.83TiB used 16.61TiB path /dev/sdc1 Thanks for any help. sb. Scott Blomquist