Thanks for the reply, John. I'll give it a go. The spooling will be on RAID 10, so I won't get the performance of RAID 0, but we will see how it goes.
Cheers, Bryan On Mon, 2012-01-23 at 17:59 -0500, John Drescher wrote: > > But will this speed up my backups? Generally speaking, should Bacula be > > able to write two the two tapes devices more quickly than it can write > > to one? The unit in question is a Tandberg Data StorageLibrary T24 LTO > > with two serial attached scsi LTO4 tape devices, attached to a server > > running Centos 6.2. > > It will not speed up a single job since 1 job can not use more than 1 > drive however if you have concurrent jobs with spooling and you can > provide enough bandwidth to keep up with the drives it can speed up > multiple jobs. Remember that at 2:1 compression these LTO4 drives > write at 120MB /s each so you will need to have a raid array (raid 0 > maybe) or fast SSD for your spool location and this raid probably > should not be on the same drives as your source data. > > John ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
