Excerpts from Shane Shrybman's message of 2010-11-08 15:39:25 -0500: > On Mon, 2010-11-08 at 12:55 -0500, Chris Mason wrote: > > Excerpts from Shane Shrybman's message of 2010-11-08 12:10:57 -0500: > > > Hi, > > > > > > Got an oops last week while rebalancing that seems to have left me with > > > a corrupted btrfs. Kernel was ~2.6.36 + Transparent hugetlb patchset + > > > small misc. patchs. > > > > Have you tried the 2.6.36 + the btrfs unstable git tree? It may be able > > to help here. > > Ok, I have built and booted the 2.6.36 + the btrfs unstable git tree > kernel and ran btrfsck with the same results. > > # btrfsck /dev/sdc1 > checksum verify failed on 625055924224 wanted C3DFFE41 found 9F99998 > checksum verify failed on 625055924224 wanted C3DFFE41 found 9F99998 > checksum verify failed on 625055924224 wanted C3DFFE41 found 9F99998 > Segmentation fault Ok, if you pull down the latest btrfs-progs from git, you'll find a new option to btrfsck, which tries alternate copies of the super block. btrfsck -s 1 /dev/sdc1 btrfsck -s 2 /dev/sdc1 btrfsck -s 3 /dev/sdc1 If we're really lucky, one of these will work. -chris -- 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
