Thanks for the feedback. I thought I had bumped into a totally excentric
use case but really I am making a most average beginner's mistake. I
should have noticed when my thinking was in terms of rsync. btrfs-tune
would be the hack I first thought of, but I realize that is the wimp's
way to go.
So now I'm trying it the btrfs way. I made a fresh snapshot of the
current state, created a send file (one gig! ;)) from the previous
snapshot. Then I unmounted the source fs and mounted the dest copy.
Unfortunately I cannot 'btrfs receive' since I didn't have read-only
snapshots and making them from existing ones does not yield the same
parent ids.
Looks like I have to format a new target btrfs and start anew with
a full snapshot send... then at least I get to use a pipe instead of
storing the send on disk. ;)
On Thu, Aug 27, 2015 at 05:59:47PM +0000, Hugo Mills wrote:
> See my other email in this thread. :)
Didn't get that. Should I?
Kind regards for your patience and excellent code!
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