RE: Summary of the 2009-01-06 Packaging Committee meeting

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> -----Original Message-----
> From: fedora-devel-list-bounces@xxxxxxxxxx
> [mailto:fedora-devel-list-bounces@xxxxxxxxxx]On Behalf Of Doug Ledford
> Sent: Thursday, January 08, 2009 2:15 PM
> To: Development discussions related to Fedora
> Subject: Re: Summary of the 2009-01-06 Packaging Committee meeting
> 

< big snip > ...

> 
> True on both counts.  Of course, given clusters, totally irrelevant
> points.  They don't back up individual /etc directories on any of the
> cluster nodes.  All the nodes are set up so that they can be installed
> by the cluster manager, and they can be reinstalled as needed.  Nodes
> are disposable.  Also, they *do* mount /usr read-only in lots of
> clusters, and they couldn't care less that default files are in there.
> If they need to edit them, they go to the cluster disk controller node
> and edit it where it isn't read-only and then all the nodes see the
> changes.  More commonly, the batch scheduler they use has its own
> private data directory on the controlling node and it writes the
> necessary files on the fly (or passes the options entirely on the
> command line) based upon what nodes it intends to start the 
> job on.  My
> point is that these "we care about single node issues" simply do not
> exist in clusters, and *can't* exist or they make the cluster
> unmaintainable.
> 

This should be something the Fedora HPC SIG should be deciding. 
You and I both know installing multiple MPIs and other apps can make things a mess in a big hurry.

Shawn.

> -- 
> Doug Ledford <dledford@xxxxxxxxxx>
>               GPG KeyID: CFBFF194
>               http://people.redhat.com/dledford
> 
> Infiniband specific RPMs available at
>               http://people.redhat.com/dledford/Infiniband
> 
> 

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