** Reply to note from Bradley King <king AT MONTROUGE.GM.SLB DOT COM> 07/04/96  
5:53pm
+0200
> To:           Multiple recipients of list ADSM-L <ADSM-L AT VM.MARIST DOT EDU>
>
> Does anyone have experience with the capacity of a HP C1553A robot?
> I calculate 4-8GB for 120meter tapes * 6 tapes give 24-48GB of storage.
> When I query volumes My 120m tapes are always full with 2GB of capacity
> This reduces my total storage to only 12GB which isn't nearly enough.
> Any ideas?
>          -    is my robot sick?
>
>          -   is the version 1 Sun Solaris adsm server incapable of writing at
>              the right density to get 4-8 GB?
>
>          -   did I install my device files incorrectly?
>
>          -   is the information given by "query volume" inaccurate?
>
>          -   is checkout, checkin libvolume the only way to use more
>              tapes than the robot will hold?
>

It sounds like ADSM is picking up the 1553 as a DDS-1 cartridge, if so you'll 
have
to tell the syste
m that the drive format is DDS2c, I forget exactly how to do it
but it's in the documentation.  I believe it's something like
UPDATE DRIVE xxx FORMAT=DDS2c

Hope it helps

Cheers,

Andrew Glynn
aglynn AT ibm DOT net