On 3/17/2016 8:48 AM, Alan Brown wrote:
> . What's killed all these "smaller"
> formats is cheap(ish) HDD/SSDs, cloud storage and the likes of Netflix.
> That's despite even BDXL 120GB not being large enough capacity to hold a
> complete 4k video title.
>

RDX is a good choice for "smaller" format, although smaller is relative. 
The bottom line is that a USB3 RDX drive and 6 2 TB cartridges is about 
the same cost as a single LTO-6 drive and 4 2.5 TB cartridges. If media 
needs in the long term will stay below 12 - 16 TB, then RDX is the 
simpler, and IMO better choice. Above that, LTO-6 wins out due to much 
lower media cost.

For the backup window factor, LTO-6 wins every time. However, RDX 
performance is on par with LTO-4, so for many, if not most, small 
businesses, it meets their needs.

Because of RDX (or even simple USB HDD), I see very little reason for 
Bacula to worry about supporting optical drives. They are slow, prone to 
errors, and at this point simply not adequate, even for small business 
or personal use.


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