Shmuel, Whoops - brain fart. Bits per inch = bpi, but that's really bits per inch per track!
Ron > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > Behalf Of Shmuel (Seymour J.) Metz > Sent: Sunday, 13 November 2005 7:24 AM > To: IBM-MAIN@BAMA.UA.EDU > Subject: Re: SORTWKnn question > > In <[EMAIL PROTECTED]>, on 11/12/2005 > at 04:38 PM, Ron and Jenny Hawkins <[EMAIL PROTECTED]> said: > > >Doesn't a 6250 reel tape only hold about 30MB of data, > > Far more than that: > > BPI Characters on 2400' reel Characters on 3600' reel > 200 5,760,000 8,640,000 > 800 22,080,000 34,560,000 > 1600 44,160,000 69,120,000 > 6250 172,500,000 270,000,000 > > > Subtract from those number an IRG allowance depending on the block > size. > > -- > Shmuel (Seymour J.) Metz, SysProg and JOAT > Atid/2 <http://patriot.net/~shmuel> > We don't care. We don't have to care, we're Congress. > (S877: The Shut up and Eat Your spam act of 2003) > > ---------------------------------------------------------------------- > 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