ionice/nice suggestion.

README.md

@@ -46,9 +46,16 @@ Running
 -------
 Run the scripts in `screen`, `tmux` or something similar. `touch RUN` before you start the scripts. Use `rm RUN` to stop gracefully.
 
-`./chunk-multiple` (run exactly one)
-`./pack-multiple` (you may run more than one)
-`./upload-multiple` (you may run more than one)
+* `./chunk-multiple` (run exactly one)
+* `./pack-multiple` (you may run more than one)
+* `./upload-multiple` (you may run more than one)
+
+
+Scheduling priorities
+---------------------
+The packing script will use all your I/O capacity. Consider using `nice` and `ionice` to influence have it run in at a lower priority, so it doesn't hinder your incoming Rsync or outgoing curl uploads.
+
+* `ionice -c 2 -n 6 nice -n 19 ./pack-multiple`
 
 
 Recovering from errors