Very, Very early in implementing SMS (the minimal implementation) is managing VIO.
Since we've been SMS for a long time, there aren't even any devices in our EDT(s) for VIO > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] > On Behalf Of Norman.Hollander > Sent: Thursday, May 19, 2016 2:45 PM > To: [email protected] > Subject: Re: What was a 3314? (was: Whither VIO) > > Maybe a bunch of JCL with UNIT=VIO is a cause to make you fuss? > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] > On Behalf Of Ted MacNEIL > Sent: Thursday, May 19, 2016 1:18 PM > To: [email protected] > Subject: Re: What was a 3314? (was: Whither VIO) > > Memory is abundant in most shops and cheap overall. So, why all fuss about > VIO? Make s decision, implement it, forget it. > > -teD > Original Message > From: Norman.Hollander > Sent: Thursday, May 19, 2016 12:19 > To: [email protected] > Reply To: IBM Mainframe Discussion List > Subject: Re: What was a 3314? (was: Whither VIO) > > Track size. We actually used to use a 2305 "drum" definition for VIO. But if > you genned 1 dummy address, you had to gen all 8. Made for a larger IO-gen. > So we would go for the next best tracksize of the 2314. So- how many 4K > pages fit into a track without wasting too much of it? Plus the 2314 was > small, > so quick sorts in VIO might be possible, but it prevented sorting a kabillion > records. I'm pretty sure 2305 support was removed a long time ago, so you > couldn't define it today. Probably true for the 2311/2314/2319. Last time I > went through IODF, a fake 3390 (address DEFF) was defined as the only VIO > capable device. With all the various Sort and Memory exits today, it's > probably just a good history lesson. Oh- way back in the 70s, a company > named Ampex (IIRC) made look alike (aka cheaper) memory and Disk storage. > Think their mountable disk was the 3314. OK- discuss further... > > zNorman > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] > On Behalf Of Martin Packer > Sent: Wednesday, May 18, 2016 10:45 PM > To: [email protected] > Subject: Re: What was a 3314? (was: Whither VIO) > > > It's sort of come back to me: > > A small track size limits the virtual storage window (probably usually below > the line in 1989 when I looked at this). Or it might've been cylinder. But I > think it was track. > > I'm wondering if anyone else remembers something like this. > > Cheers, Martin > > Sent from my iPad > > On 19 May 2016, at 05:20, Edward Gould <[email protected]> > wrote: > > >> On May 18, 2016, at 7:50 PM, Charles Mills <[email protected]> > wrote: > >> > >> I remember them well. I was answering Steve's two implied questions. > >> > >> 2321 was certainly characterized as DASD. It was indeed a direct > >> access > storage device. Not a disk, but DASD nonetheless. Certainly not magnetic > tape (though it had a family resemblance!) and certainly not unit record. > > > > It addressing had MMBBCCHHR(R?) so I guess you could address it directly. > Anyone remember how to do that? (progr5amming for a 2321 is a lost art > (where is Seymour?). > > > > Ed > > > >> > >> I don't think anyone recalls a 3314. I think the OP said it was a > >> typo, > 2314 mis-remembered as 3000-series DASD. > >> > >> Charles > >> > >> -----Original Message----- > >> From: IBM Mainframe Discussion List [mailto:IBM- > [email protected]] > >> On > Behalf Of Edward Gould > >> Sent: Wednesday, May 18, 2016 5:33 PM > >> To: [email protected] > >> Subject: Re: What was a 3314? (was: Whither VIO) > >> > >> Chales, > >> > >> 2321 was a data cell (magnetic strip) hardly could be called DASD) I > don’t recall a 3314 . The removable 3340 (not sure the number anyone?) > >> > >> Ed > >> > >>> On May 16, 2016, at 7:47 PM, Charles Mills <[email protected]> > wrote: > >>> > >>> > >>> > >>> 2301, 2321. > >>> CharlesSent from a mobile; please excuse the brevity > >>> > >>> -------- Original message -------- > >>> From: Steve Thompson <[email protected]> > >>> Date: 05/16/2016 4:51 PM (GMT-08:00) > >>> To: [email protected] > >>> Subject: Re: What was a 3314? (was: Whither VIO) > >>> > >>> 2314, 2419, 2311, these are just a few of the "IBM" DASD that I've > >>> had the pleasure of working with. I've forgotten the drum device > >>> numbers and the noodle snatcher model number. > >> > >> --------------------------------------------------------------------- > >> - For IBM-MAIN subscribe / signoff / archive access instructions, > >> send email to [email protected] with the message: INFO > >> IBM-MAIN > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, send > >email to [email protected] with the message: INFO IBM-MAIN > >Unless stated otherwise above: > IBM United Kingdom Limited - Registered in England and Wales with number > 741598. > Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 > 3AU > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
