On Thu, May 14, 2009 at 12:35 PM, Jeffrey D Anderson <[email protected]> wrote: > I don't know if there is any real solution to that problem, though. amanda > tries to balance the load evenly among the runs in each dumpcycle. But > sometimes I'd rather she tried to keep me on a single tape, and then write > two tapes some night, rather than writing 1 1/4 tapes each night. That would > save a lot of wear and tear on backup media. > > Perhaps the solution is not in changing the planner behavior, but in taper > options. It would be acceptible to me if amanda wrote most of the holding > disk files to tape, but elected to save some for the next night if it meant > better allocation of media.
There's room both for new planner algorithms and for interaction between the planner and the taper. At the moment, the planner pretends it has a single tape of length (tapetype:$tapetype:length * runtapes). All of this is pretty far off in the future, sadly. I can only code so fast :) Dustin -- Open Source Storage Engineer http://www.zmanda.com
