Support multiple devices (BTRFS RAID modes) #5
Description
Extend the commands to support multiple devices in the various BTRFS RAID modes.
identify- should be a simple matter of scanning the additional devices and adding the metdata to the indexrecon- similar, but we need to store on which device we found a filesystem objectrecover/mount- need to im implement complete chunk handling (see Implement handling of non-inline file extents #4)