[Beowulf] Software installation across cluster
trevor at snowhaven.com
Tue May 26 20:13:39 PDT 2015
Thank you all for the very detailed answers. Would you be able to explain the difference between stateful/stateless modes? Also I am looking to be able to keep the OS image consistent across each of the nodes, warewulf looks like it might be a good option but does modules support this type of thing or is it only for higher level applications?
> On May 26, 2015, at 8:51 PM, Douglas Eadline <deadline at eadline.org> wrote:
> There are a couple of ways. If you are talking system
> files and OS images, check out Warewulf, http://warewulf.lbl.gov/trac
> I have found placing packages in /opt/ and sharing via NFS
> works well for small to medium systems. I make a directory
> called /opt/etc/ld.so.conf.d/ and place the package library
> conf files in this directory.
> I then add "include /opt/etc/ld.so.conf.d/*.conf" to the node
> /etc/ld.so.conf file. That way, I don't need to reboot or change
> anything on the nodes when I add a new package. It is installed in
> NFS and then I issue a "pdsh ldconfig"
> Actually I package everything in rpms, so all this gets done
> automatically when things are installed. I use Modules and install a
> Modules file for each package that sets paths etc., it can
> override the ld.so.conf files if needed by using a LD_LIBRARY_PATH.
> I also do some sshd_conf twiddling so user Module state is preserved
> across logins to cluster nodes.
>> Hello all,
>> I was wondering what solutions other use for easy software installation
>> across clusters. Is there any method that is generally accepted to be the
>> most effective for making sure that all the software is consistent across
>> each node?
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