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Well I masy as well kick off with the non-objective responses!
Yogesh said:
> AIX:
>
> 1] AIX is having most advance features in
> all unix OS.
- I'm not sure that actually means anything - what are "advance features"? I think Sun, HP, RedHat & Novell would argue the point pretty strongly on that one.
>
> 2]The only OS which having its own database
> (Called ODM)
- Ha! That's the first time I've ever heard ODM being called out as an _advantage_ of AIX! It's not like its a full database you can use for free like MySQL - its just a repository for systems configuration data (rather like the windows registry), and to be honest its a pain compared to straight text configuration files...
>
> 3]We can retrive the command along with
> arguments from smitty using F6.
- Yes thats true and *is* a good feature in AIX... that said in some ways a good admin trool like SMIT and smitty (and like SAM or SMH) can become a crutch for bad sysadmins... I've meta a _lot_ of AIX admins who are completely lost without smitty (and some HP-UX admins who rely on SAM/SMH too)
Emil said:
> In most cases it is the application that
> your business needs that will drive the OS
> selection. What OSs are your application
> vendors supporting the best needs to be your
> major consideration.
So9rry, slightly off-topic, but this "the application is king" standpoint has been one of my personal bugbears for many years now - it's one of the main causes of the hideously complex spaghhetti mess that many companies call their "IT infrastructure". How many companies have you seen put in a new OS just cos an application requires it? This is baffling and pushes up the cost of infrastructure management significantly. My take on this is:
"the application is king - as long as it fits in with my entreprise architecture"
In other words - if the app doesn't function with my standard infrastructure stack, the business unit can go jump - unless they are prepared to accept significantly higher costs from IT (heck I don't understand why many companies even let businesses choose apps - they should just hand over their requirements to IT - this stops you getting the app made by a business unit director's golfing buddy.
No - I'm not cynical ata all ;0)
Anyway - back to the question - if I were to call out the *major* advantage of HP-UX, I would say - release lifecycles. HP don't keep rolling the OS to a new version every 5 minutes like many other vendors (which means the ISVs don't have to keep re-qualifying/porting their apps), and server hardware and OS releases are supported for a good long time (generally 10 years or more - compare that to typically 5-6 years for AIX). Linux has some pretty long support lifecycles as well - but x86 server hardware needs to be refreshed so often to avoid "out of support" or "no upgrades available" situations, that it may as well be on a shorter lifecycle. Not having to do OS and application upgrades too often through the life of an enterprise application is a very strong +ve. Not an exciting one (like "advance features"!), but one that actually reduces complexity, risk and cost. (which I'm sure your manager's manager will find exciting)
HTH
Duncan