Greg Grimm wrote:
We are going to replace our tape hardware (Tape Library (ATL), VTS). In
investigating how our "other operating systems" use tapes I found that they
use IBM TSM to talk directly to the ATL - and get high tape utilization (i.e.
stacking multiple files on tape). kind of like a software VTS. Is there a product
that supports this function on z/OS?
Apples and oranges. Similar, but different. TSM is an *application* using
*real* tapes in efficient way.
The closest comparison to TSM is DFSMSHSM or FDR/ABR. However that means you should write directly to your tape, no DD names pointing to tape datasets. While it's quite good idea, it could require changes in your processing.
On the other hand, VTS, VSM and some other solutions do similar thing on hardware side, thus (almost) no changes are required on software side.
There are also some products which 'fill the gap' - those product TRY to
optimize media utilization with minimal changes to current job processing. IMHO
it is better to change current processing than spend money on products which
partially solve the problem. However the devil is in the details, YMMV, etc.
--
Radoslaw Skorupka
Lodz, Poland
--
BRE Bank SA
ul. Senatorska 18
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NIP: 526-021-50-88
Wedug stanu na dzie 01.01.2007 r. kapita zakadowy BRE Banku SA (w caoci
opacony) wynosi 118.064.140 z. W zwizku z realizacj warunkowego
podwyszenia kapitau zakadowego, na podstawie uchwa XVI WZ z dnia 21.05.2003
r., kapita zakadowy BRE Banku SA moe ulec podwyszeniu do kwoty 118.760.528
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