> >> Disable software compression. The tape drive will compress much faster > >> than the client. > >> > > If you can find compressible patterns in the encrypted data stream then > > you are not properly encrypting it. The only option would be to compress > > before encryption which means you can't use the compression function in > > the tape drive unless the tape drive also does the encryption (some do). > > > > Use a lower GZIP compression level to see if it gets you better speed > > without sacrificing too much performance... I suspect the speed hit is > > going to be the encryption though. > > I was under the impression that _all_ LTO4 drives implemented encryption > (though if having the data traversing the LAN encrypted is your goal, > you'd still have to do something). I don't know enough about it to know > how good the encryption in LTO4 is, however (or for that matter, how the > key is specified). >
I'm pretty sure that LTO4 drives are required to identify an encrypted tape if one is inserted, but the actual support for encryption is optional. I think they use AES encryption or some variant of it. James ------------------------------------------------------------------------------ Magic Quadrant for Content-Aware Data Loss Prevention Research study explores the data loss prevention market. Includes in-depth analysis on the changes within the DLP market, and the criteria used to evaluate the strengths and weaknesses of these DLP solutions. http://www.accelacomm.com/jaw/sfnl/114/51385063/ _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
