Re: Can LTO ULTRIUM5 tapes be initialized to *ULTRIUM4 on an 8202-E4C POWER7?

[DrFranken <midrange@xxxxxxxxxxxx>]

This is the API to retrieve cartridge information-  which I have used 
frequently.

http://publib.boulder.ibm.com/infocenter/iseries/v7r1m0/index.jsp?topic=%2Fapis%2Fqtarctgi.htm

If you examine the return list there is nothing from that chip in the 
list. I think it's a GREAT idea for a DCR. :-)

    - Larry

On 12/15/2012 11:25 AM, Sam_L wrote:
> You said "It contains the things like the cartridge type as well as the
> number of uses etc."
>
> How can I access the number of uses?  (LT03 & LT04)
>
> (I was under the impression that I could find usage info in SST, but
> that it was reset when the tape was initialized.)
>
> Sam
>
> On 12/15/2012 11:08 AM, DrFranken wrote:
>
> > Commonly ignored is that there is a memory chip in each cartridge that
> > contains 4K (LTO1,2,3) or 8K (LTO4+) of memory which contains
> > information about the cartridge (cleaning cartridges included!) This
> > chip is read by RF which is why you don't see it or any connections to
> > it.  It contains the things like the cartridge type as well as the
> > number of uses etc.  The drive reads this chip as soon as it is
> > installed also preventing the LTO5 tape from being used as an LTO4.
> >
> > - Larry "DrFranken" Bolhuis