Am Sa., 26. Okt. 2019 um 11:41 Uhr schrieb Qu Wenruo <quwenruo.btrfs@xxxxxxx>: > Thus I put a log tree check in skipbg mount option, and if it detects > log tree, it refuse to mount and output kernel message to require > nologreplay. No, it doesn't, it asks for notreelog (quoted from a few e-mails back): > > [ 1350.402586] BTRFS info (device dm-1): skip mount time block group searching > > [ 1350.402588] BTRFS info (device dm-1): disk space caching is enabled > > [ 1350.402589] BTRFS info (device dm-1): has skinny extents > > [ 1350.402590] BTRFS error (device dm-1): skip_bg must be used with > > notreelog mount option for dirty log > > [ 1350.419849] BTRFS error (device dm-1): open_ctree failed > > > > Fine by me, let's add "notreelog" as well. Note that "skip_bg" is > > actually written with an underscore above. > Then you can try btrfs-mod-sb, [...] Yep, that did the trick. Can mount the fs ro now, access files and it even reports checksum errors for a couple of them. Promising. Cheers, C.
