[Beowulf] MPICH upgrade question

[Geoff Jacobs]

Gregg Germain wrote:
> Hi all,
> 
>  This is a little more in the way of a systems question:
> 
>  I'm presently running a cluster with mpich2-1.0.6p1 installed in
> /usr/local.
> 
>  I want to upgrade to mpich2-1.0.8.
> 
>  Should I run the 1.0.6 Make uninstall first?
> 
>  Or just install 1.0.8 on top of 1.0.6?
> 
>  Or is there some other cleanup method I should use to eliminate 1.0.6
> first?
> 
> thanks!
> 
> Gregg

I always deploy MPICH in a different directory for each library
version/compiler combination. I then use a script so one can switch to
the appropriate build wrapper easily. When replacing the old version
outright, you should remove the old and install the new.

-- 
Geoffrey D. Jacobs