Hi Jari, Similar with other file system, btrfs has copies of super blocks. Try to run "man btrfs check", "man btrfs rescue" and related commands for more details. Regards, Xin
Sent: Saturday, December 17, 2016 at 2:06 AM From: "Jari Seppälä" <lihamakaroonilaati...@gmail.com> To: linux-btrfs@vger.kernel.org Subject: Help please: BTRFS fs crashed due to bad removal of USB drive, no help from recovery procedures Syslog tells: [ 135.446222] BTRFS error (device sdb1): system chunk array too small 0 < 97 [ 135.446260] BTRFS error (device sdb1): superblock contains fatal errors [ 135.462544] BTRFS error (device sdb1): open_ctree failed What have been done: * All "btrfs rescue" options Info on system * fs on external SSD via USB * kernel 4.9.0 (tried with 4.8.13) * btrfs-tools 4.4 * Mythbuntu (Ubuntu) 16.04.1 LTS with latest fixes 2012-12-16 Any help appreciated. Around 300G of TV recordings on the drive, which of course will eventually come as replays. Jari -- *** Jari Seppälä -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
