> > Hi, > > I ran some btape tests today to verify that I'd be improving throughput by > changing blocksize from 256KB to 2MB and found that this does indeed > appear to be true in terms of increasing compression efficiency, but it > doesn't seem to affect incompressible data much, if at all. Still, it seems > worth changing and I thank you for pointing me in that direction. > > More importantly, I realized that my testing 6 months ago was not on all > 4 of my drives, but only 2 of them. Today, I discovered one of my drives > (untested in the past) is getting 1/2 the throughput for random data writes as > the others!! >
Is it definitely LTO3 and definitely using LTO3 media? LTO2 was about half the speed, including using LTO2 media in an LTO3 drive. James ------------------------------------------------------------------------------ Got visibility? Most devs has no idea what their production app looks like. Find out how fast your code is with AppDynamics Lite. http://ad.doubleclick.net/clk;262219671;13503038;y? http://info.appdynamics.com/FreeJavaPerformanceDownload.html _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users