yum update on Eden processor machine

[Paul Howarth]

David Fletcher wrote:
> This has got me a little worried:-
> 
> Somewhere recently, it might have been this list or the CentOS list, 
> there was a thread asking why not compile everything for the i686 
> architecture instead of i386 to obtain higher performance?
> 
> The answer stated that the performance increase would only be about 1% 
> therefore hardly worth the trouble. More seriously, in my case, the 
> answer also stated that compiling for the i686 architecture would 
> prevent software from working in machines with Eden processors. Which is 
> exactly what I've got here, running a subversion server.
> 
> Here is the output from yum update on this machine:-
> 
>  Package         Arch  Version          Repository        Size
> ================================================================
> Installing:
>  kernel          i686  2.6.16-1.2069_FC4  updates-released   15 M
> Updating:
>  anacron         i386  2.3-36.FC4       updates-released   33 k
>  glibc           i686  2.3.6-3          updates-released  6.2 M
>  glibc-common    i386  2.3.6-3          updates-released   16 M
>  mtr             i386  2:0.71-0.FC4.1   updates-released   82 k
>  nscd            i386  2.3.6-3          updates-released  127 k
>  perl            i386  3:5.8.6-24       updates-released   11 M
>  popt            i386  1.10.1-23        updates-released   64 k
>  rpm             i386  4.4.1-23         updates-released  584 k
>  rpm-libs        i386  4.4.1-23         updates-released  912 k
>  rpm-python      i386  4.4.1-23         updates-released   96 k
> 
> Transaction Summary
> ================================================================
> Install      1 Package(s)
> Update      10 Package(s)
> Remove       0 Package(s)
> Total download size: 50 M
> Is this ok [y/N]:
> 
> 
> 
> In the learned opinion of the list, will it cause me problems if I 
> answer y?
> 
> i.e. will this update with two i686 architecture components cause my 
> Eden processor server to crash?
> 
> If so is it possible for me to get i386 architecture updates only?

Check what you've already got:

$ rpm -q --qf '%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}\n' glibc kernel

I'm pretty sure you'll find you're already running i686 versions of 
these packages.

Paul.