Different year... same thread. I saw a similar thread in the archives from November 2006. "MB to Cyl Conversion"
On of the posts said this: For 3390 DASD: - A cylinder holds exactly 780 KB (based on 4K blksize & no keys) - to store 1 MB of 4K blocks requires 1.3128 CYLs - 1 CYL = .76171875 MB http://bama.ua.edu/cgi-bin/wa?A2=ind0611&L=ibm-main&D=1&O=D&P=246633 According to DASDCALC a cylinder with a blksize of 4096 is 830K and effective kilobytes is 720K. -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group - ZFUS G-ITO mailto:[email protected] z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.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

