On Wednesday 07 February 2007 12:15, Alan Brown wrote: > On Tue, 6 Feb 2007, David Romerstein wrote: > > That, in essence, is why I first installed bacula - to backup roughly 2TB > > of data just once (my file count is *significantly* higher than yours, > > though - on the order of 200 million files across 10s of thousands of > > directories). > > For what it's worth, Bacula copes quite happily with one fileset here > that's just under 1Tb and just over 5 million files - both on backup and > on individual file restore. > > I'm backing up just under 20Tb and about 20 million files overall, with a > runtime of abour 20 hours per Tb on full backup (spooling+flushing) > > Because of the way Bacula spools and flushes, I can backup 2 1Tb > filesystems in the same period on the same tape drive. > > There's no net gain from trying 3 concurrent full backups on one tape > drive even though the drive spends a lot of time idle with 2, as the > source RAID arrays can't keep up with that much load (they're great at > streaming, but slow down if required to seek a lot - as happens when > reading 2 filesystems off the same device). This may change as I add more > arrays...
Eric, Marc, and I are working on a few "tricks" to make this even faster :-) > > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job > easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache > Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > Bacula-users mailing list > Bacula-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bacula-users ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
