[BALU] Opinions re aix 5.3 vs linux on IBM System P5

Thomas Stover thomas at wsinnovations.com
Fri Jun 8 11:02:21 CDT 2007

I am extremely interested to hear how this goes for you. I have a huge 
crush on the P5 and P6 architectures. Not having one myself I can only 
say from what I have read. One huge benefit for Linux would be the zero 
cost of gcc versus having to pay for compilers for AIX. There must be 
some real advantages of AIX over linux, but IBM sure wont way what on 
their website. I remember reading a LJ article years ago talking about 
how AIX out scaled Linux, but that was before 2.6 (2.6 radically 
improved all types of scheduling).

by the way, whats your plan for the old boxes?

pat griffin wrote:

> Here's a bit of history.  We have used aix since 1986 or so and linux 
> for the last few years.  We have two new IBM System p5 boxes with aix 
> 5.3 and RAID 5. They are configured with all our code; but, are not on 
> line.  My plan was to bring them on line this month to replace our 
> 4-year old IBM aix boxes.  However, the IBM guys claim that we can run 
> Linux with no downside.  Now, we have no real problem with aix.  But, 
> we have a few good-size Dells running various versions of Linux.  If, 
> in fact, we can run it on the P5 machines with no compromises, why 
> not?  So, as you might guess, my questions is, do any of you have 
> experience with Linux (RH Enterprise 5) on IBM P5?  I plan to hold off 
> on putting the machines on line and install linux and do some 
> testing.  So if any of you can point out some stuff to look for, it 
> would be a big help.
> Many thanks,
> Pat
> patgriffin at msn.com

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