Re: Is anyone using btrfs send/receive for backups instead of rsync?

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> Emil, your bug report mentions the subvolume journal is different, and
> not anything about silent content differences on file data (images,
> databases, etc.) as you mention above.  How are they related?

systemd-journald is a logging daemon in the userspace that has nothing
to do with filesystem journal.

> Also, how is the journal different on the receive-side?  Is it "just"
> a size/allocation issue, as David commented on the bug report; or is
> the content actually different? For example, can it still be used to
> recover the filesystem post-crash?  What does "fixed in V2" mean:
> BTRFSv2 ?

Send stream format specification V2.

I used sha1sum (stated also in the report) so contents are actually different.
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