<div dir="ltr"><div>Thanks for this Lachlan and thanks for the reminder....</div><div><br></div>Sorry, should also have mentioned, we use NFS for /usr/local, for /home and for our shared data area /group. Our scratch is local and in most cases, jobs copy their datasets across before starting. The time cost of that operation is really just a rounding error in the job runtimes in most cases.<div><br></div><div>Cluster uses Torque/Moab for queue/resource management and scheduling.</div><div><br></div><div>Andrew</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Dec 30, 2016 at 5:17 PM, Lachlan Musicman <span dir="ltr"><<a href="mailto:datakid@gmail.com" target="_blank">datakid@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>We use Centos 7.2 exclusively in our cluster (SLURM, 12 Nodes going up to 40 in the new year) and it works a treat. Same set up as you, but with some shared NFS mounts. Systemd is fine - a few more keystrokes, but not the end of the world.<br><br></div><div>Very happy<br></div><div><br></div>cheers<br></div>L.<br></div><div class="gmail_extra"><br clear="all"><div><div class="m_3938235105362160622gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>------<br>The most dangerous phrase in the language is, "We've always done it this way."<br><br>- Grace Hopper<br></div></div></div></div>
<br><div class="gmail_quote"><div><div class="h5">On 30 December 2016 at 17:12, Andrew Mather <span dir="ltr"><<a href="mailto:mathera@gmail.com" target="_blank">mathera@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr">Hi All,<div><br></div><div>Hope you're having/had time to relax and unwind with those near and dear.</div><div><br></div><div>We are in the very early planning stages for our next cluster and I'm currently looking at the OS. We're a CentOS shop and planning to stay that way for the forseeable future, so please, no partisan OS wars :)</div><div><br></div><div>When v7 of the Redhat-based OS' appeared, the change to systemd in particular, seemed to attract a lot of hate, but since it's been out a while, there doesn't seem to be as much.</div><div><br></div><div>So, has anyone got recent war-stories, good experiences etc to share about v7 of CentOS specifically as the OS for cluster nodes.</div><div><br></div><div>We don't have infiniband interconnects and don't use MPI, shared memory and the like. All our jobs stay within the confines of the nodes and we have a variety of hardware configurations to accommodate different types of job (RAM, disk requirements etc)</div><div><br></div><div>I'd welcome any info.</div><div><br></div><div>Thanks and hope 2017 is kind for you.</div><span class="m_3938235105362160622HOEnZb"><font color="#888888"><div><br></div><div>Andrew</div><div><br clear="all"><div><br></div>-- <br><div class="m_3938235105362160622m_-7009050404521464847gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>-<br> <a href="https://picasaweb.google.com/107747436224613508618" target="_blank">https://picasaweb.google.com/<wbr>107747436224613508618</a><br>-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=<wbr>-=-=-=-=-=-=-=-=-=-=-=-=-=-<br>"Voting is a lot like going to Bunnings really:</div><div>You walk in confused, you stand in line, you have a sausage on the way out <span style="font-size:12.8px">and at the end, you wind up with a bunch of useless tools"</span></div><div>Joe Rios</div><div>-</div></div></div></div></div>
</div></font></span></div>
<br></div></div>______________________________<wbr>_________________<br>
Beowulf mailing list, <a href="mailto:Beowulf@beowulf.org" target="_blank">Beowulf@beowulf.org</a> sponsored by Penguin Computing<br>
To change your subscription (digest mode or unsubscribe) visit <a href="http://www.beowulf.org/mailman/listinfo/beowulf" rel="noreferrer" target="_blank">http://www.beowulf.org/mailman<wbr>/listinfo/beowulf</a><br>
<br></blockquote></div><br></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>-<br> <a href="https://picasaweb.google.com/107747436224613508618" target="_blank">https://picasaweb.google.com/107747436224613508618</a><br>-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-<br>"Voting is a lot like going to Bunnings really:</div><div>You walk in confused, you stand in line, you have a sausage on the way out <span style="font-size:12.8px">and at the end, you wind up with a bunch of useless tools"</span></div><div>Joe Rios</div><div>-</div></div></div></div></div>
</div>