On Wednesday 21 November 2018 15:09:50 Chris Miller wrote: > Hi Folks, > > > From: "Chris Miller" <c...@tryx.org> > > To: "amanda-users" <amanda-users@amanda.org> > > Sent: Wednesday, November 21, 2018 11:55:21 AM > > Subject: Reusable > > > > I'm also still fighting AMANDA about how to manage vtapes, but I'm > > developing more focused questions. For example, my test runs are > > reporting: > > > > NOTES: > > taper: Slot 13 with label Mail.TCLC.org-13 is not reusable > > > > So, how do I designate a slot as having a volume that is re-usable? > > This is a "Type II" error, meaning that the error is my thinking that > it is an error. Apparently this message means something other then I > thought, because as I continue my blitz, these tapes cycle just fine. > > There is a new question, however. AMANDA warned me as I approached the > overwrite of slot0, which was the first backup, and consequently a > level 0 dump. Apparently AMANDA thought it was my only level 0 dump. > My config defines: dumpcycle 1week > runspercycle 7 > tapecycle 21 > > I thought I was requesting level 0 once every seven, but apparently > not. > That is not how amanda works. And its unique among backup tools, having orginally been written when a 200 meg qic drive was a luxury.
After it has done an initial level 0 backup it will make an estimate for each succeeding backup, advanceing level 0's in order to more evenly fill the tapes, "making room in the future" to backup the big ones before that 7 days of age occurs. That is so you could both fill the tape more efficiently, and guarantee amanda will also do the level 0's a bit more frequently than dumpcycle. Look at that as a guarantee of the maximum time between level 0's. Each time amanda does a level 0, the dumpcycle timer for that DLE is reset. > Thanks for the help, NP. Copyright 2018 by Maurice E. Heskett -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene>
