The best place for VOL1, HDR1 and HDR2 label info is the z/OS library. http://publibz.boulder.ibm.com/bookmgr_OS390/libraryserver/zosv1r9/
Richard R. Bourgeois, President Virtual Software Systems, Inc. 7715 Browns Bridge Rd Gainesville, GA 30506 r...@vsoftsys.com 770-781-3200 www.vsoftsys.com -----Original Message----- From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf Of Fran Hensler Sent: Saturday, January 24, 2009 3:02 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: DASD VOL1 doc I have the GC33-5375-2 DOS/VS DASD Labels (Release 34) manual. Google only found 1 reference to it which is in the DOS/VS Program Directory for Release 34. Here is a brief description of the VOL1 label: Length Description Content 3 Label Identifier VOL 1 Volume Label Number 1 6 Volume Serial Number xxxxxx 1 Volume Security OS/VS only 10 Data File Directory VTOC Address & blanks: CCHHRbbbbb 10 Reserved 10 Reserved 10 Owner Name or Code 29 Blanks I suppose I should get this manual on http://bitsavers.org /Fran Hensler at Slippery Rock University of Pennsylvania USA for 45 years mailto:f...@zvm.sru.edu http://zvm.sru.edu/~fjh +1.724.738.2153 "Yes, Virginia, there is a Slippery Rock" -------------------------------------------------------------------------- On Sat, 24 Jan 2009 11:23:46 -0600 Stephen Frazier said: >Tony Thigpen wrote: >> Anybody know where in the VM manuals the layout of the VOL1 label is >> documented? >> >I don't know where it is documented now but the DASD and tape VOL1 >records are the same format. The fields that are meaningful only tor >tape are reserved on DASD and those that are for DASD only are reserved >on tape. There was a manual called something like "Labels Formats for >MVS, DOS, and VM" that covered both DASD and tape labels. I have not >seen it in many years and do not know if it still exists. It probably >was renamed after MVS became z/OS and DOS became VSE. > >-- >Stephen Frazier >Information Technology Unit >Oklahoma Department of Corrections >3400 Martin Luther King >Oklahoma City, Ok, 73111-4298 >Tel.: (405) 425-2549 >Fax: (405) 425-2554 >Pager: (405) 690-1828 >email: stevef%doc.state.ok.us
