> fossil/flfmt -v da39a3ee5e6b4b0d3255bfef95601890afd80709 /dev/sdC0/fossil > fatal error: corrupted root: vtRootUnpack
This Venti score is wrong. This is the Venti score returned by an empty Fossil file system. That's why it cannot be found in Venti. > /boot/fossil: cacheLocalData: addr=1 type got 0 exp 8: tag got 0 exp 1 > /boot/fossil: fsOpen error fsOpen: block label mismatch fsys main The type VtDataType was returned instead of VtDirType and the tag BadTag was returned instead of RootTag. Obviously, something got wrong. It looks like your virtual hard disk image was corrupted because of the the power outage. Especially since you used the dynamically-growing qcow2 image format. You should make another hard disk image and rebuild Fossil from your last Venti score. Since this score cannot be found in your Fossil super block, you should extract a list of your Vac scores from your Venti server with the script /sys/src/cmd/venti/words/dumpvacroots. -- David du Colombier
