Yesterday, Arne Jansen wrote:
Paul Archer wrote:
Because it's easier to change what I'm doing than what my DBA does, I
decided that I would put rsync back in place, but locally. So I changed
things so that the backups go to a staging FS, and then are rsync'ed
over to another FS that I take snapshots on. The only problem is that
the snapshots are still in the 500GB range.
So, I need to figure out why these snapshots are taking so much more
room than they were before.
This, BTW, is the rsync command I'm using (and essentially the same
command I was using when I was rsync'ing from the NetApp):
rsync -aPH --inplace --delete /staging/oracle_backup/
/backups/oracle_backup/
Try adding --no-whole-file to rsync. rsync disables block-by-block
comparison if used locally by default.
Thanks for the tip. I didn't realize rsync had that behavior. It looks like
that got my snapshots back to the 50GB range. I'm going to try dedup on the
staging FS as well, so I can do a side-by-side of which gives me the better
space savings.
Paul
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