On Thu, 18 Oct 2012 07:53:52 -0500, Mauri Kanter <itzuv...@013.net.il> wrote:
>Good day !!! > >I'm looking on how to implement DB2 and its large page support. > >One question ... > >Suppose I allocate an LFAREA of 4.5 GB based on the fact that the fixed DB2 >bufferpools use 4GB. > >Then my DBA requests to dynamically ALTER the bufferpool to 5GB. What's happen >then? > >a - Is it allocated part with large pages and part with 4K pages? >b - All with 4K pages? >c - Not possible, need to IPL? >d - Other > >Thanks in advance for your hints. > Is it documented in the DB2 manuals? It depends on how the IARV64 request is coded. If the page frame size is coded as 1MEG, the request will fail (but maybe DB2 retries with MAX or 4K?). If coded as MAX, it will end up being backed by 4K frames. Regards, Mark -- Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS mailto:m...@mzelden.com Mark's MVS Utilities: http://www.mzelden.com/mvsutil.html Systems Programming expert at http://expertanswercenter.techtarget.com/ ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
