Re: AIO vs. KAIO

By experience, right around 15%, and nobody died. While I like HP-UX a lot, still, always do searches on their patch list. All those patches are there for one reason or another. The release notes should cover... 1- Informix down 2- Install the special device driver: sam; kernel cfg; drivers; select asyncdsk; actions; add driver to kernel; create a new kernel; move kernel into place and continue shutdown [reboot] now... 3- Create the async special device file: mknod /dev/async c 101 1 4- Temporarily set the KAIO environment variable. It will need to be in a startup script: export KAIOON=1 5- Start Informix 6- Check for KAIO threads: onstat -g ath Happy Trails, Eric Stahl Simon Barber started the whole thing: >> >> > >> > I have just swithed from AIO to KAIO on an hp9000 10.20 and saw the >> reports >> >thatI was using to test run 16% faster. >> > >> I'm interested in getting KAIO activated on our machines (running hpux >> 10.20). Could you list the steps necessary to enable KAIO and also if >> any patches were needed? >> >> Cheers, >> -- >> Simon Barber > From: "W. H. SMITH" responded: >Have you checked the release notes? They have a small listing of what >is needed to enable KAIO.