Er Jay, We're talking about tape drives here. 1 Backup Task should have 1 DASD unit as input and 1 Tape unit as output.
The OP specified Duplexing was turned off. Dave O'Brien NIH Contractor ________________________________________ From: IBM Mainframe Discussion List [[email protected]] On Behalf Of Campbell Jay [[email protected]] Sent: Thursday, April 16, 2009 3:38 PM To: [email protected] Subject: Re: DFHSM MAXBACKUPTASKS(1) using 2 drives 1 task - 1 input - 1 output - 2 drives Jay Campbell IBM OS Support Section -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of O'Brien, David W. (NIH/CIT) [C] Sent: Thursday, April 16, 2009 3:03 PM To: [email protected] Subject: Re: DFHSM MAXBACKUPTASKS(1) using 2 drives Not according to the manual: Explanation: MAXBACKUPTASKS(nn) is an optional parameter specifying the maximum number of volume backup tasks DFSMShsm can concurrently process. For nn, substitute a decimal number from 1 to 15 to represent the number of volume backup tasks to be run concurrently. Dave O'Brien NIH Contractor ________________________________________ From: IBM Mainframe Discussion List [[email protected]] On Behalf Of Michael Wickman [[email protected]] Sent: Thursday, April 16, 2009 2:58 PM To: [email protected] Subject: Re: DFHSM MAXBACKUPTASKS(1) using 2 drives I believed we saw this too. Decided the min number was two task. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* Mike Wickman Technical Services *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Jaime Miranda Sent: Thursday, April 16, 2009 1:43 PM To: [email protected] Subject: [IBM-MAIN] DFHSM MAXBACKUPTASKS(1) using 2 drives OS- z/OS 1.7 put RSU0809 DFHSM SETSYS MAXBACKUPTASKS(1) and DUPLEX BACKUP(N) When AUTOBACKUPSTART DFHSM is allocating two tape drives. Even though the Setsys is set to MAXBACKUPTASK (1). Any ideas why? Thanks, Jaime ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html <font size="1"> <div style='border:none;border-bottom:double windowtext 2.25pt;padding:0in 0in 1.0pt 0in'> </div> "This email is intended to be reviewed by only the intended recipient and may contain information that is privileged and/or confidential. If you are not the intended recipient, you are hereby notified that any review, use, dissemination, disclosure or copying of this email and its attachments, if any, is strictly prohibited. If you have received this email in error, please immediately notify the sender by return email and delete this email from your system." </font> ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
