Re: VM/370 Hercules Optimisation
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2305 was nice because of no seek time. In an Hercules emulated environment, probably doesn't make a difference.
I was on the periphery of a 360/75 MVT -> 4341 MVT under VM transition (I got to do some MVT<->VM integration, much fun! HASP, CP SPOOL, VMCS....). 2305 was our MVT SYSRES. I heard that the channels on the 4341 couldn't keep up with the 2305, even if we dedicated it to the MVT virtual machine,and we had to drop back to a 3330 SYSRES. I'm not sure that last bit is accurate.
The /75 sure was cool, though...
On Wednesday, January 29, 2020, 2:48:12 PM EST, Drew Derbyshire <swhobbit@...> wrote:
On 1/29/20 4:15 AM, adriansutherland67 wrote:
>
> For memory paging - I was wondering if IBM had a paging memory device
> (clearly not - thanks). Therefore (1) I am going to go ahead with
> experimenting with a small DASD drive for paging.
I thought there was a bias towards 2305 devices for paging, but too much
time hanging out with the documents for a certain 4361 and it's VM/SP
flavor, my brain is probably fogged.
-ahd-
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