Out of frustration and vodka I tried: btrfs check --repair /dev/sde To instantly be met with: enabling repair mode checksum verify failed on 20971520 found 8B1D9672 wanted 2F8A4238 checksum verify failed on 20971520 found 8B1D9672 wanted 2F8A4238 bytenr mismatch, want=20971520, have=8330001001141004672 Couldn't read chunk root Couldn't open file system On Mon, Aug 3, 2015 at 10:20 PM, Sonic <sonicsmith@xxxxxxxxx> wrote: > On Mon, Aug 3, 2015 at 12:32 PM, Sonic <sonicsmith@xxxxxxxxx> wrote: >> btrfs rescue chunk-recover > > Ran this: > btrfs rescue chunk-recover -v /dev/sde |tee brcr.txt > > Got this (very end of output): > ================================== > Unrecoverable Chunks: > > Total Chunks: 3292 > Recoverable: 3292 > Unrecoverable: 0 > > Orphan Block Groups: > > Orphan Device Extents: > > Fail to recover the chunk tree. > ================================== > If earlier output of this process might be helpful I can provide it > (used tee to create a file). > > Didn't work - seems all chunks found were recoverable - it's > apparently the missing chunks that are the problem. > > I'm thinking this is a lost cause. Also thinking I need to provide for > some redundancy in the future :-) > > Any other suggestions before I give up the ghost on this? > > Thanks, > > 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
