On Sat, Mar 28, 2009 at 5:05 AM, Harry Putnam <rea...@newsguy.com> wrote:
> Now I'm wondering if the export/import sub commands might not be a
> good bit faster.
I believe the greatest advantage of zfs send/receive over rsync is not
about speed, but rather it's on "zfs send -R", which would (from man
page)
Generate a replication stream package, which will
replicate the specified filesystem, and all descen-
dant file systems, up to the named snapshot. When
received, all properties, snapshots, descendent file
systems, and clones are preserved.
pretty much allows you to clone a complete pool preserving its structure.
As usual, compressing the backup stream (whether rsync or zfs) might
help reduce transfer time a lot. My favorite is lzop (since it's very
fast), but gzip should work as well.
Regards,
Fajar
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