Sorry if question sounds unorthodox, Is there some simple way to read
(and backup) all BTRFS metadata from volume?
Motivation of course is possibility to quickly recover from catastrophic
filesystem failures on a logical level. Some small amount of actual data
that this metadata references may be overwritten between backup and
restore moments, but due to checksumming it can easily be caught (and
either individually restored from backup or discarded).
--
With Best Regards,
Marat Khalili
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