Dear Kris, Thank you very much. This is what I was wondering if z/VM would use PAV b ut is doesn't.
Thank you very much. Kind regards, Florian On Mon, 21 Jun 2010 15:15:38 +0200, Kris Buelens <[email protected]> wrote: >I wouldn't say paging is specially optimized for 3390-3. But, simple >example, if you'd need 9GB of paging space, >- with 3390/3 you have 3 access paths, CP can do 3 paging operations >concurrently >- with 3390/9 there is only one access path, hence only 1 paging operati on >PAV -that assigns more than one address to a given volume- will not >halp as CP doesn't se PAV on paging volumes. > >So, for high paging rates, the more volumes the better. > >Kris Buelens > >2010/6/21, Florian Bilek <[email protected]>: >> Dear all, >> >> We are intending to migrate from a DS8100 to a new DS8700 and consider to >> quit with 3390-3 DASD addresses during this migration. >> >> I remember that there was always the saying that paging devices should >> reside on 3390-3 since the paging code was specially optimized for tho se >> devices, I wanted to verify if this is still valid for z/VM 5.4 and 6. 1. In >> that case we would still need a range of 3390 devices. >> >> What would be your recommendation? >> >> Thank you very much in advance for your feedback. >> >> -- >> Best regards >> >> Florian >> > > >-- >Kris Buelens, >IBM Belgium, VM customer support >======================== ========================= ========================
