Bill Bitner wrote:
>See http://www.vm.ibm.com/perf/tips/2gstorag.html for additional
>information.
Bill, that page seems a bit out of date, is there anything more
recent?
>So net is - 64-bit guests will not eliminate need to bring pages
>below 2GB (VM doesn't use 'swap' terminology). In fact ther
[EMAIL PROTECTED] 11/04 1:36 >>>
>Pieter Harder wrote:
>>If and when the Linux guest fires of a format-1 ccw (aka 31-bit i/o)
VM
>>has no choice but to treat it as such. This in turn means that all
areas
>>related to the i/o have to be below the bar.
>Format-1 CCW can use format-2 IDAW and t
[EMAIL PROTECTED] wrote:
>It's my understanding that VM CP will use memory above the 2gb bar
for
>pages used by 64-bit guests, but CP brings the page below the 2gb bar
>when it needs to access the guest's memory. So when the guest does
any
>I/O, for example, the pages containing the channel program
Rob wrote:
>The main concern is that when you make large Linux virtual machines,
>they will eventually use all that virtual memory and you need z/VM to
>back that demand with real memory and paging space. And when you ask
>for too much it will get slow.
I think Rob is way to generous on both 64-bi
