Hello,
Is this supposed to work? (/data is the root volume, /data/a is a subvolume)
btrfs subvolume snapshot /data/a /data/b
# make some changes in b
btrfs send -p /data/a /data/b > delta
btrfs receive /data/a < delta
I'm getting "ERROR: could not find parent subvolume" on receive.
What I'm trying to do is to back up using send/receive, but I don't have
50% free space, and (please correct me if I'm wrong) since receive
doesn't do deduplication, I want to use snapshot to do the initial
bootstrapping, instead of send/receive without a parent.
Thanks!
Matthew
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