FW: IDS Migration from AIX 4.3.3 to AIX 5.2
Trying to send again. Steve Brown -----Original Message----- From: Brown, Steve L [ITS] Sent: Tuesday, February 24, 2004 8:31 AM To: 'TBP' Subject: RE: IDS Migration from AIX 4.3.3 to AIX 5.2 We fought this for over a month last year. We went from some RS6000 running 2 500 mHZ cpu's to a P630 running 4 1 gig cpu's. We went from 4.3.3 on the old boxes to 5.2 on the new machines and had many problem trying to get Informix to behave. IBM, after many weeks of trying and failing, had us change from 64 bit kernel to a 32 bit kernel. That helped a lot, but still had problems with Informix. They then made us change from "shared memory" to tcp connections. IBM said the problem was that the "Regatta" boxes are too fast to use "shared memory". Things settled down and we went into production. But last year has been horrible with our app. We lost performance. We run ton's of big stored procedures and choke the boxes pretty often. They finally closed all our open ticket in favor of upgrading to the next relase and see how it goes. We're going to upgrade next month. I forgot the next version number. The gut feel is that Informix ran better under 4.3 with the 2 500 mHZ cpu's. Steve Brown -----Original Message----- From: owner-informix-list@iiug.org [mailto:owner-informix-list@iiug.org] On Behalf Of TBP Sent: Tuesday, February 24, 2004 4:58 AM To: informix-list@iiug.org Subject: Re: IDS Migration from AIX 4.3.3 to AIX 5.2 Corey Gates wrote: > We are going to be upgrading the OS on our 500gig Informix system > sometime this calendar year from AIX 4.3.3 to AIX 5.2. We will be > using IDS 7.31-UD7 in developement and IDS 7.31-FD7 in production. > > Could someone who has made this OS upgrade let me know what issues and > risks they encountered. > > Could someone let me know how similar the user spaces are between the > two OSes. We have numerous apps that issue OS commands, capture and > pares the results. I'm curous what kind of an effort its going to > require to modify these parsing routines for the new OS. > > Thank you for your time. Just one issue ... there isn't a 7.31.FD7 for AIX 5.1. There is a 7.31.FD6 for AIX 5.1, but no 7.31.FD7 for AIX 7.31.FD7. I think you would have to start looking at 9.40.FC? TBP sending to informix-list