Re: KAIO problem with Online 7.12 on AIX 4.1.4

In <4joala$8ab@news.eng.octel.com> Thierry Sofia-Gabrion <Thierry.Sofia-Gabrion@octel.com> writes: >I am currently using Online 7.12.UC1 on an AIX 4.1.4 platform. >Because my dbspaces are created with raw device chunks, the I/O's should be >performed by the KAIO threads. Thus, the I/O's should be performed by the CPU VP. >However, when I issue the onstat -g glo command, I notice that the AIO, PIO and LIO >VPs are spending user/system time. Moreover, when I issue the onstat -g iob command, >the KAIO row only contains 0 whereas the aio one does not. >As a consequence, I suppose the KAIO's do not work on my platform. Is someone has >experimented such a problem ? Is there a way to make the KAIO's work on AIX 4.1.4 ? Check in $INFORMIXDIR/release for a file ONLINE_7.1? which contains a section called "Machine Specific Notes". If KAIO is not supported, it should be listed there. Also, I noticed problem #29649, in SERVERS_7.1: 29649 WHEN USING KAIO THE PIO & LIO VPS ARE UNNECESSARILY WOKEN UP Note that I am running OnLine 7.10UC1. Edwin Babadaglian edwinb@panix.com