On Wednesday 08 June 2005 23:37, Graham Wharton wrote: > [snipped for your sanity] > > >> This machine will be running in a remote location and unfortunately we > >> won't have access to change tapes on our own, and due to cost reasons an > >> autoloader is currently out of the question. What I need to be able to > >> do is use the two drives to keep backups of files on the server, but > >> only for recovering files in the event of accidental deletion and drive > >> failure. > > > > Then you hope that your tapes never break and the drives and nothing > > burns etc... well, of course you must work with what you have, but you > > should consider doing a backup to another location. In my opinion. > > The data is held on a Raid5 disk set with an automatic hot swap replacement > disk, the disk is also mirrored every evening over the network to another > machine, but I also want to keep a tape backup too. If a tape breaks then > it is a 3 hour drive to visit the machine which is fine for a borken tape, > I just dont want to have to do that for every tape swap. Because of the > amount of data, the mirroring to disk every evening will be a pure mirror, > i.e no history, so really the tape is only if someone deletes some files > and fails to tell me about it until the following day etc..... > > [snipped] > > > Well, the easiest way would be to set up a pool with two volumes and set > > Recycle oldest volume (when your retention periods fit) or purge oldes > > volume (if you _know_ your setup is right). > > > > This will probably not work because you can't tell bacula to select the > > right one of two available drives. > > > > So, I guess you have to setup a schedule that does what you want - in the > > easiest case just set the months jan, mar, may, jul, sep, nov to use one > > storage, and the others use the other one. > > Yes, this is looking like the likely solution, and I guess I should be able > to achieve this using the current version of bacula no problems. It just > gets complicated when the amount of data increases that I need to backup > and I have to start reducing the tape switchover point to 15 days, and not > per month in order to keep the full set and incrementals onto a single > tape. Rewriting the backup schedules seems a lot more complicated than > dropping the max volumes per job value. > > Is there ultimately going to be support for multiple drives without the > need to switch tapes. e.g What if I had 16 backup drives all loaded with > single tapes. Will that allow me to maintain a proper 16 tape rotation > without the need for tape reloading for either backups or restores.
Version 1.37.21+ *should* be able to do this, but it is not quite there yet ... > > P.S. I know this kinda defeats one of the main purposes of having tape > based backups, in that the tapes can be removed offsite once completed. > > >> I realise work is ongoing with the dual drive system, but the > >> documentation all seems geared for autoloaders when dealing with > >> multiple drives. > > > > That shouldn't matter too much - imagine an autoloader where only one > > tape is available :-) > > Yes, I hadn't thought of that :) > > Graham > > > Arno > > > >> Kind regards > >> > >> Graham Wharton > > ------------------------------------------------------- > This SF.Net email is sponsored by: NEC IT Guy Games. How far can you > shotput a projector? How fast can you ride your desk chair down the office > luge track? If you want to score the big prize, get to know the little guy. > Play to win an NEC 61" plasma display: http://www.necitguy.com/?r=20 > _______________________________________________ > Bacula-devel mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/bacula-devel -- Best regards, Kern ("> /\ V_V ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. How far can you shotput a projector? How fast can you ride your desk chair down the office luge track? If you want to score the big prize, get to know the little guy. Play to win an NEC 61" plasma display: http://www.necitguy.com/?r=20 _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
