Re: HSM utilization of 3490 emulated 9840D tape?

2010-03-18 Thread John Kelly
It would appear both tapes have the same amount of data. Dave, Not only does it look like both tapes have the same amount of data but the 9840D only used 189 feet of the 825 feet available, about 23%. of the media. Obviously there's a reason for you to keep the 3490 emulation but it seems li

Re: HSM utilization of 3490 emulated 9840D tape?

2010-03-12 Thread O'Brien, David W. (NIH/CIT) [C]
actor From: John Kelly [john_j_ke...@ao.uscourts.gov] Sent: Friday, March 12, 2010 12:02 PM To: IBM-MAIN@bama.ua.edu Subject: Re: HSM utilization of 3490 emulated 9840D tape? David, I do believe that you hit it on the head with the 'Unittype(3490) is specified, which according to

Re: HSM utilization of 3490 emulated 9840D tape?

2010-03-12 Thread John Kelly
David, I do believe that you hit it on the head with the 'Unittype(3490) is specified, which according to the manual nullifies use of the Capacitymode parameter..' observation. I know that could not get 9840A to qualify for Capacitymode but I'm not surprise that STK hasn't bellied up to

HSM utilization of 3490 emulated 9840D tape?

2010-03-12 Thread O'Brien, David W. (NIH/CIT) [C]
I'm currently migrating HSM data from 9840As to 9840Ds. Given the increase in capacity I would have expected 3:1 consolidation ratio. That doesn't seem to be the case. I did increase the OCDS Maxlrecl to 6144 as recommended. Setsysextendedttoc(y) is also implemented. Tapeutilizationwas increas