Hello,
I am trying on of the new version 7 features. -- The Bacula Storage daemon now permits multiple jobs to simultaneously read the same disk Volume, which gives substantial performance enhancements when running Migration, Copy, or VirtualFull jobs that read disk Volumes. Our testing shows that when running multiple simultaneous jobs, the jobs can finish up to ten times faster with this version of Bacula. This is built-in to the Storage daemon, so it happens automatically and transparently. -- My bacula setup is quite simple: 1 file storage 1 tape storage (2 drive autochanger) 1 pool on file storage 2 copy pools on tape storage I like to copy parallel from file storage pool into both drives which have mounted volumes from copy pools. Until now i runs only interleaved, and at any time only one tape drive is written to. I have increased Max Concurrent Jobs at various places, but it changed nothing. I tried to monitor copy jobs using "status dir" on bconsole. JobId Type Level Files Bytes Name Status ====================================================================== 621166 Copy Full 0 0 CopyDiskToTape is running 621197 Admi 0 0 UpdateBvfs is waiting for higher priority jobs to finish 621203 Back Incr 0 0 Backup-teamwork is running 621204 Copy Full 0 0 CopyDiskToExtClone is waiting on Storage "File" 621239 Back Incr 0 0 Backup-teamwork is waiting on Storage "QTM-Tape" Storage "File" has "Maximum Concurrent Jobs = 20" and Storage "QTM-Tape" (Autochanger) has "Maximum Concurrent Jobs = 4". I wonder why the second copy job is waiting. The release notes tell me this new feature has been tested, but i wonder which setup has been used in this tests ? I would be nice to see the configuration used in these tests or to get at least an idea. Has anyone outside bacula(systems) tested this new feature? Best regards Ulrich ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. Written by three acclaimed leaders in the field, this first edition is now available. Download your free book today! http://p.sf.net/sfu/NeoTech _______________________________________________ Bacula-devel mailing list Bacula-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-devel
