I don't have as complex of a setup at yours, but you might have some luck checking out the Prefer Mounted Volumes setting for the director.
http://www.bacula.org/rel-manual/Configuring_Director.html#SECTION001420000000000000000 --Tim On Friday 18 May 2007 6:27:21 pm Andreas Helmcke wrote: > running bacula 2.0.3 with mysql 4.1.13 on SuSE 10.0; > ADIC scalar-100 with 4 LTO-1 drives > > Hello, > > I am still having a problem with concurrent jobs. Bacula is unnecessarily > changing tapes and tapedrives. > > Basically i want to backup three different server every night and i want to > use one drive for each server to speed up the process. > > So i use the following configuration: > - Max concurrent jobs set to more than 3 > - Different pools for each server > - One job for each server > - Distributed start times (Job1 at 22:05, Job2 at 22:10, Job3 at 22:15) to > ensure that the drives are always requested in the same order. > > But bacula does strange things: > > Day1: > Job 1 using Tape 1 in Drive 1 > Job 2 using Tape 2 in Drive 2 > Job 3 usnig Tape 3 in Drive 3 > > Day2: > Job 1 using Tape 1 in Drive 1 > Job 2 using Tape 4 in Drive 3 > Job 3 using Tape 3 in Drive 2 > > Day3: > Job 1 using Tape 1 in Drive 1 > Job 2 using Tape 2 in Drive 2 > Job 3 using Tape 3 in Drive 3 > > Day 4: like Day 2 > Day 5: like Day 3 > > On Day 2, Job 2 does not use the already mounted tape 2 in drive 2 but > instead gets an appendable tape from the pool and puts it in the next > "free" drive (drive 1 is used by job 1, drive 2 is blocked by tape 2 which > job 2 doesn't want to use) previously unmounting tape 3. So job 3 has to > reinsert tape 3 into drive 2, because the drives 1 and 3 are in use. > > The main question is, why doesn't bacula use tape 2 for job 2? It is not > full or otherwise unusable because it will be used the very next day. > > The job and pool configurations are the same for all servers and job 1 is > working like expected (always using the same drive and tape). > > > Anyone any idea what's going wrong? > > Andreas > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > Bacula-users mailing list > Bacula-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bacula-users -- -- Flak Magnet (Tim) www.flakmagnet.com ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
