This is a discussion on Re: SDLT versus LTO tape backup - VMS ; BaxterD@tessco.com wrote on 09/12/2008 12:57:40 PM: > On Sep 12, 10:07 am, DaveG wrote: > > For those that may not have run into this writeup on DLT: > > > > http://en.wikipedia.org/wiki/Digital_Linear_Tape > > I switched from DLT4 to ...
BaxterD@tessco.com wrote on 09/12/2008 12:57:40 PM:
> On Sep 12, 10:07 am, DaveG
> > For those that may not have run into this writeup on DLT:
> > http://en.wikipedia.org/wiki/Digital_Linear_Tape
> I switched from DLT4 to LTO3 about 3 months ago, and the performance
> is great. Backup times were reduced by 50%. Only bad comment is
> that we have had an issue with the loader being unable to extract a
> tape cassette from a given slot and load it into a drive. HP says
> it is a known problem however thsy are unable to offer any real
> solution except to "exercise" the cassettes manually, (i.e. insert and
> remove the cassette a few times) before finally inserting it into the
> Although it seems cluedgy, since we started doing this we have had no
> reoccurrence of the problem (touch wood), which previously was
> happening approximately once each week, and coincidentally, always in
> the same slot (although we don't use that many of our slots).
> Finally, it seems that the exercising doesnt necessarily have to be
> done in the slot the tape is destined for, it can be done in the mail
> slot. Even if it is subsequently move to an internal slot, the
> problem doesn't seem to occur after applying the HP solution.
What is capacity of LTO3 vs DLT4?
What is media cost per cartridge?
What is media cost (approx) per gigabyte?
Is the 50% due to drive transfer rate or media density or combo or ?