On Fri, Aug 30, 2013 at 9:47 AM, MtK - SmartMtK <mtk AT smartmtk DOT com> wrote:
> I had the exact same behavior on the local 2-drive-mirror, with the
> different that I could do only a single backup at a time, since the IO would
> make the system unresponsive (now I can easily do 3-4 at the same time).
>
> Also, just to point out:
> df/ls/du/find/etc on the external machine (where the NFS is) take hours (!),
> so maybe it's not the NFS itself but the directory/file structure.
>

Note that until you have backed up a file with the
--checksum-seed=32761 option set, the server must read/uncompress
everything for the rsync comparison.   Also, if you have large files
with changes, the server does a lot of filesystem work to copy the
existing file and merge the changes, even if the changes are small.

-- 
   Les Mikesell
     lesmikesell AT gmail DOT com

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