>From "CA 1®Tape Management Systems Programmer Guide r11.5 SP5" BLKSIZE TMBLKSI 96(60) BIN 4 MAXIMUM BLOCK SIZE JFCB JFCBLKSI
4 bytes are used to store the block size. Thank you and have a Terrific day! Jonathan Goossen, DTM ACT Mainframe Storage Group Personal: 651-361-4541 Department Support Line: 651-361-5555 For help with communication and leadership skills checkout Woodwinds Toastmasters. IBM Mainframe Discussion List <[email protected]> wrote on 02/08/2013 03:11:59 PM: > From: Neil Duffee <[email protected]> > To: [email protected] > Date: 02/08/2013 03:12 PM > Subject: Re: blksize for ML2 migrated dataset via HSM > Sent by: IBM Mainframe Discussion List <[email protected]> > > Caveat: I get the daily digest so you folx've probably already > hashed this to death... > > Not sure about signed/unsigned but CA-1(R) r12.6 will not store a > value >032760. FDR/ABR dumps backup records in approx. track length > ie. 57k-ish for our 3390-3s, but they are recorded with the 032760 > value in CA-1. I discovered this while trying to generate an Earl > report showing the amount of data stored on our tapes. ("How many > 3592 tapes would we have to buy?") Had to manually fudge the > results for FDR/ABR tapes otherwise I was under-reporting them by 1- > (32/57) percent. > > --------> signature = 6 lines follows <-------- > Neil Duffee, Joe Sysprog, uOttawa, Ottawa, Ont, Canada > telephone:1 613 562 5800 x4585 fax:1 613 562 5161 > mailto:NDuffee of uOttawa.ca http:/ /aix1.uOttawa.ca/ ~nduffee > "How *do* you plan for something like that?" Guardian Bob, Reboot > "For every action, there is an equal and opposite criticism." > "Systems Programming: Guilty, until proven innocent" John Norgauer 2004 > > > -----Original Message----- > From: retired mainframer [mailto:[email protected]] > Sent: February 7, 2013 21:04 > Subject: Re: blksize for ML2 migrated dataset via HSM > > If memory serves, the CA1 TMC uses 16 bits to store the blksize. > Even when treated as unsigned, it won't show more than 65535. > [snip] > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN This e-mail message and all attachments transmitted with it may contain legally privileged and/or confidential information intended solely for the use of the addressee(s). If the reader of this message is not the intended recipient, you are hereby notified that any reading, dissemination, distribution, copying, forwarding or other use of this message or its attachments is strictly prohibited. If you have received this message in error, please notify the sender immediately and delete this message and all copies and backups thereof. Thank you. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
