Gil,
DFSMSdss is a bit smarter than that. This JCL deleted two datasets using
over 24000 tracks in less than a second.
//HAWKINS0 JOB (ACCT#),'STGADM1',CLASS=A,MSGCLASS=X,MSGLEVEL=(1,1),
// NOTIFY=&SYSUID
//*
//COPYVOL EXEC PGM=ADRDSSU,REGION=6M
//TAPE1 DD DUMMY
//SYSPRINT DD SYSOUT=*
//SYSIN DD *
DUMP -
DATASET(INCLUDE(HAWKINS.NOR1PDB.**))-
OUTDDNAME(TAPE1) -
SPHERE -
DELETE PURGE
/*
Ron
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
> Behalf Of Paul Gilmartin
> Sent: Wednesday, 1 February 2006 12:48 AM
> To: IBM-MAIN@BAMA.UA.EDU
> Subject: Re: Basic question on deleting datasets
>
> In a recent note, Ron and Jenny Hawkins said:
>
> > Date: Wed, 1 Feb 2006 00:29:20 +0800
> >
> > The old way to kill a bunch of files through a mask was to use DFDSS to
> back
> > up and delete the files, with the output assigned to DUMMY.
> >
> Yow! Wasn't that rather I/O intensive? (I ask even though I often
> aver "Silicon is cheaper than carbon.") Or did DFDSS recognize
> and optimize the output=DUMMY case?
>
> -- gil
> --
> StorageTek
> INFORMATION made POWERFUL
>
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