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RE: is it ok to use KAIO on HP-UX

Posted in 2004

Topics: Backup & Restore, Installation, Setup & Upgrades, Platform-Specific Issues, Jobs, Consulting & Announcements

Alexey Sonkin — — source: Usenet: comp.databases.informix

Andrew, Can You imagine, how such a fundamental bug, as that ontape was unable to restore the database from archive (with KAIO 'on'), could pass through the QA regression testing? Only because most testing (very expensive and time-consuming) was made in a different configuration. Usually, QA departments have some stable OS configuration for every part they are testing. They apply OS additional patches ONLY if it is really necessary. And, believe me, it's totally impossible to test the software like IDS with all possible patch configurations (I know pretty well the nightmare of the HP-UX patch list. Even patch bundles do not simplify that list significantly) Best regards, Alexey -----Original Message----- From: Andrew Hamm [mailto:ahamm@mail.com] Sent: Wednesday, February 11, 2004 8:34 PM To: informix-list@iiug.org Subject: Re: is it ok to use KAIO on HP-UX Alexey Sonkin wrote: > > On HP, KAIO is 'off' by default. > That means, that EVERYTHING was NOT tested properly by QA with KAIO. > That is, You need to make comprehensive testing of the > entire system, including backup, restore, replication, onpload > (whatever You use in Your system) yourself. Unlikely. Just because they supply the config like that doesn't mean it's the only testing. If the platform is dicky and needs 200 patches installed to make it work (HP has this sporadically) then I presume they test with all the appropriate patches. It might be nice to ask Informix to list all the patches, but have you SEEN the nightmare that is the HP-UX patch list? Oy Vey! sending to informix-list

↪ replying to Alexey Sonkin
Andrew Hamm — — source: Usenet: comp.databases.informix

Alexey Sonkin wrote: > Andrew, > > Can You imagine, how such a fundamental bug, as that > ontape was unable to restore the database from archive (with KAIO > 'on'), could pass through the QA regression testing? > Only because most testing (very expensive and time-consuming) > was made in a different configuration. y'know, we supply a hell of a lot of HP's, and this one hasn't come up ever. I have had a few HP's that don't want to let more than about 5 users on if using KAIO My feeling is that KAIO on HP is so dodgy at times that it's pot luck whether it will work for you. I do notice a difference IF it chooses to work on a machine.

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