On Mon, 7 Dec 2009 18:26:56 +0000, Ted MacNEIL wrote: >>There's one fly in this ointment. Our DASD are all (mostly?) 3390. But when >>I request a particular number of cylinders, some busybody component >>(sometimes?) adjusts the requested number downward by the ratio of 3380 >>cylinder size to 3390 cylinder size. >But reporting functions report the actual number of 3390 cylinders. > >That busybody is SMS. >There is a panel withing the ISPF application where you specify the 'logical' >track size. >This is an artifact leftover when SMS was first introduced and 3380's still >existed with 3390's. >It was intended to 'save space'. > >I have had the parameter changed to 56664 in every shop I've worked at since >SMS came out. >It seems everybody started with 47476. > I was reporting from memory. The problem appears to have vanished, perhaps with a recent upgrade from 1.7 to 1.10.
Would IBM have changed a default? -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
