Think of where CKD devices came from. Search for a "record" on a disk that had a record key equal to or greater than the one you are looking for. In this case the key is the member name. Hardware feature, promoted heavily and used by JES and DB2 (got that bit from a class 15+ years ago) but not so sure now.
-----Original Message----- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] Behalf Of Tom Marchant Sent: 11 May 2007 21:20 To: [email protected] Subject: Re: Top 10 software install gripes On Fri, 11 May 2007 21:57:08 +0200, R.S. wrote: >IMHO 46 blocks would fit in single track. However I still don't get why >it's important at all. Can you enlight me ? I'm not sure how many PDS directory blocks will fit on a track, but I don't see why it's important either. IIRC, the remainder of the last directory track will be used for data. In any case, I see no reason to make the directory larger just to make it fill the last track. -- Tom Marchant ---------------------------------------------------------------------- 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 No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.5.467 / Virus Database: 269.6.8/797 - Release Date: 10/05/2007 17:10 No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.467 / Virus Database: 269.6.8/797 - Release Date: 10/05/2007 17:10 ---------------------------------------------------------------------- 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
