Yes,
Data class is used for choosing tape parameters (MEDIAn, encryption, etc).

--
Radoslaw Skorupka
Lodz, Poland






W dniu 21.10.2020 o 01:08, Jackson, Rob pisze:
And yet it is for SMS-managed tape.  Tape does not have SMS-managed datasets.

First Horizon Bank
Mainframe Technical Support

-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of 
Gibney, Dave
Sent: Tuesday, October 20, 2020 6:02 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: How to determine the Dataclas Used for a TAPE

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There can be several datasets on a tape volume. DATACLAS wouldn’t be a volume 
attribute

-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On
Behalf Of Pew, Curtis G
Sent: Tuesday, October 20, 2020 2:56 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: How to determine the Dataclas Used for a TAPE

On Oct 20, 2020, at 4:37 PM, Jackson, Rob <rwjack...@firsthorizon.com>
wrote:
Are you sure?  I see LM DC: on my display; that's the construct
where size is
defined in the Library Manager.  Dataclass is definitely stored (I'd
guess in the VVDS, not sure honestly, but certainly in the LM for tape
volumes); check your dataset records in a DCOLLECT run . . . .
OK, but I don’t see that:


CBR1180I OAM tape volume status:     FRAME LAST   F      E   SYS=V470
VOLUME  MEDIA     STORAGE   LIBRARY   USE  W  C  SOFTWARE  LIBRARY
         TYPE      GROUP     NAME      ATR  P  P  ERR STAT  CATEGORY
PL0009  MEDIA4    DLMUTP    UTXDLMP   P    N  N  NOERROR   NONE
-------------------------------------------------------------------
RECORDING TECH:     128 TRACK        COMPACTION:         YES
SPECIAL ATTRIBUTE:  NONE             ENTER/EJECT DATE:   2011-05-28
CREATION DATE:      2008-05-14       EXPIRATION DATE:    2015-02-16
LAST MOUNTED DATE:  2015-01-17       LAST WRITTEN DATE:  2015-01-15
SHELF LOCATION:     DEST=UTXDLMP
OWNER: DPCGP
—————————————————————————————————



--
Pew, Curtis G
curtis....@austin.utexas.edu








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