diff options
Diffstat (limited to 'scripts/main.sh')
| -rwxr-xr-x | scripts/main.sh | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/scripts/main.sh b/scripts/main.sh index dcf0117..bbf63ac 100755 --- a/scripts/main.sh +++ b/scripts/main.sh @@ -23,19 +23,44 @@ gen $b.gen/0.scandevices.json \ gen $b.gen/1.mappings.json \ ./btrfs-rec --pv=$b.img \ inspect rebuild-mappings $b.gen/0.scandevices.json -gen $b.gen/2.nodes.zip \ - ./btrfs-rec --pv=$b.img --mappings=$b.gen/1.mappings.json \ + +# 1.mappings.log says: +# +# detailed report: +# ... unmapped physical region: dev=1 beg=0x0000000000000000 end=0x0000000000100000 (size=0x0000000000100000) +# ... unmapped physical region: dev=1 beg=0x0000000000500000 end=0x0000000001500000 (size=0x0000000001000000) +# ... unmapped physical region: dev=1 beg=0x0000003b9e650000 end=0x0000003b9e656000 (size=0x0000000000006000) +# ... umapped summed logical region: beg=0x0000000000d00000 end=0x0000000001500000 (size=0x0000000000800000) +# ... umapped block group: beg=0x0000000000500000 end=0x0000000000d00000 (size=0x0000000000800000) flags=METADATA|single +# ... umapped block group: beg=0x0000000000d00000 end=0x0000000001500000 (size=0x0000000000800000) flags=DATA|single +# +# Those 2 block groups clearly both slot in to that 2nd physical +# region (which is roughly beg=5MB end=22MB). Since that whole +# region's data was lost (roughly the 1st 100MB was lost), it doesn't +# matter which order we put the 2 block groups in within that physical +# region. So just put them in laddr order. +# +# And then run that through `rebuild-mappings` again to fill in the +# flags and normalize it. +gen $b.gen/2.mappings.json \ + ./btrfs-rec --pv=$b.img --mappings=<(sed <$b.gen/1.mappings.json \ + -e '2a{"LAddr":5242880,"PAddr":{"Dev":1,"Addr":5242880},"Size":1},' \ + -e '2a{"LAddr":13631488,"PAddr":{"Dev":1,"Addr":13631488},"Size":1},') \ + inspect rebuild-mappings $b.gen/0.scandevices.json + +gen $b.gen/3.nodes.zip \ + ./btrfs-rec --pv=$b.img --mappings=$b.gen/2.mappings.json \ inspect visualize-nodes $b.gen/0.scandevices.json # gen $b.gen/2.loops.txt \ -# ./btrfs-rec --pv=$b.img --mappings=$b.gen/1.mappings.json \ +# ./btrfs-rec --pv=$b.img --mappings=$b.gen/2.mappings.json \ # inspect show-loops $b.gen/0.scandevices.json # gen $b.gen/2.nodes.json \ -# ./btrfs-rec --pv=$b.img --mappings=$b.gen/1.mappings.json \ +# ./btrfs-rec --pv=$b.img --mappings=$b.gen/2.mappings.json \ # inspect rebuild-nodes $b.gen/0.scandevices.json -gen $b.gen/3.ls-files.txt \ - ./btrfs-rec --pv=$b.img --mappings=$b.gen/1.mappings.json \ +gen $b.gen/4.ls-files.txt \ + ./btrfs-rec --pv=$b.img --mappings=$b.gen/2.mappings.json \ inspect ls-files -gen $b.gen/3.ls-trees.txt \ - ./btrfs-rec --pv=$b.img --mappings=$b.gen/1.mappings.json \ +gen $b.gen/4.ls-trees.txt \ + ./btrfs-rec --pv=$b.img --mappings=$b.gen/2.mappings.json \ inspect ls-trees --scandevices=$b.gen/0.scandevices.json |