Btrfs support is broken
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thomas_tsai
Btrfs Support is broken (V0.2.88 and earlier). The backup seems "working", but the restore always fail.
I assume, the metadata is not stored correctly.
After restoring, the mount command always fail. Tested unter kernel 4.6.2 with btrfs-utils 4.4.
Maybe moving to native btrfs send/receive mechanism works better. Subvols should be supported also (for minimum saving all subvols).