On Tue, May 07, 2013 at 10:11:27AM -0400, Alan McKay wrote:
> On Tue, May 7, 2013 at 9:45 AM, John Drescher <drescherjm AT gmail DOT com> 
> wrote:
> >
> > The 6.25TB is only an estimate. If you have non compressible data you
> > will get close to 2.5 TB of space on your tape. If you have all text
> > files you may fit 15 TB on a single tape..
> 
> Great, thanks for that!   That's what I thought but I've never used HW
> compression.
> 
> So since I don't have an LTO 6 yet, is there a good way to get an
> estimate of the compressability of my data?
> 
> If I just tar cz my data will that give me a close ballpark?  Or
> better bzip?   Or something else?
> 

If you're looking for pure compression speed, check out lzo, it works
decently on text files and is as fast as the disks you can throw at it
;-) 

All the best, Uwe 


------------------------------------------------------------------------------
Learn Graph Databases - Download FREE O'Reilly Book
"Graph Databases" is the definitive new guide to graph databases and 
their applications. This 200-page book is written by three acclaimed 
leaders in the field. The early access version is available now. 
Download your free book today! http://p.sf.net/sfu/neotech_d2d_may
_______________________________________________
Bacula-users mailing list
Bacula-users AT lists.sourceforge DOT net
https://lists.sourceforge.net/lists/listinfo/bacula-users