sudo btrfs-debug-tree /dev/sdc It has 200000 lines. Don't know, what you use for bigger files. sudo btrfs-debug-tree -b 6062434418688 /dev/sdc http://sebsauvage.net/paste/?fc156dee1d1deb3b#YpG/TA0H3I313jMuC4pgsdj++TcuDaFwWIBeuuOXfCA= sudo btrfs-debug-tree -b 6062497202176 /dev/sdc http://sebsauvage.net/paste/?86621abec9c239bd#kwTpZ7BZLcLw71yCfr3jHKZT08zsaXK3RgdFo7MFoFc= sudo btrfs-debug-tree -b 6062470332416 /dev/sdc http://sebsauvage.net/paste/?4ff40fa0b6b201c9#nFk7pT9MLj2w9egUJlgXdkmCkWyp1vSG0kADfq3J7eA= It got some results, but I don't know, what to look for. sudo btrfs-map-logical -l 7008899547136 /dev/sdc parent transid verify failed on 7008807157760 wanted 70175 found 70133 parent transid verify failed on 7008807157760 wanted 70175 found 70133 checksum verify failed on 7008807157760 found F192848C wanted 1571393A checksum verify failed on 7008807157760 found F192848C wanted 1571393A bytenr mismatch, want=7008807157760, have=65536 mirror 1 logical 7008899547136 physical 735226609664 device /dev/sdb mirror 2 logical 7008899547136 physical 3166748524544 device /dev/sdc Also I don't know, what to do with this. How to compute new csum. For me, it would be ok to give up and just start fresh. Thank you Tomas ------------------------------------------------------------------------ *From:* Chris Murphy *Sent:* Sunday, July 10, 2016 10:08PM *To:* Tomáš Hrdina *Cc:* Chris Murphy, Btrfs Btrfs *Subject:* Re: Unable to mount degraded RAID5 btrfs-debug-tree -b --- Tato zpráva byla zkontrolována na viry programem Avast Antivirus. https://www.avast.com/antivirus -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
