From: Jon LaBadie Sent: May 31, 2009 19:33 > > Dumpcycle is how frequently you want full backups. You want > a dumpcycle 0 (no units) to force full backups every run. > > As your dumpcycle is so short, your runspercycle is only 1. > > You also want a runtapes of 1 if you don't want want amanda > to go to a second tape during the same run. * > > As you have 5 labeled tapes in rotation tapecycle 5 is reasonable. ** > It will then have to use all five tapes before reusing the first. > > You asked about tapes that had "empty incrementals". If amanda > recognized the tape, loaded the tape, but did not write any backup > data to the tape, amanda still considers the tape "used". > > * Setting runtapes greater than the number expected to be used > is reasonable. That way if one day you get a monster dump, amanda > can write it to the next tape. And if there was a glitch writing > the first tape, amanda can go to a second tape. > > ** Your tapecycle can be lower than the number of tapes actually > in rotation. If your tapecycle exactly matches tapes and some > glitch makes the next tape unusable, amanda can't write to any > tapes. Some amanda admins (myself included) set tapecycle to > a value lower than the actual number of tapes in rotation.
Hi Jon: Thanks for your response. It was nicely (and concisely) worded and definitely filled in a few of the blanks for me. Regards, Hugh -- Hugh E Cruickshank, Forward Software, www.forward-software.com
