> 
> 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

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