trac-admin /var/lib/trac hotcopy $T/trac-$D > /dev/null
export GZIP="--rsyncable -9"
+export RSYNC_RSH="ssh -ax"
nice tar --create --gzip --directory=$T --file=$T/$B trac-$D
-nice rsync $T/$B backup::backup
+nice rsync --preallocate --fuzzy $T/$B backup::backup
rm -rf $T