<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Hello Jeff,<br></div><div><br data-mce-bogus="1"></div><div>Thanks for your quick answer. We plan to use ldiskfs, but I would be interested to know what could fit for zfs.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Simon<br data-mce-bogus="1"></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>De: </b>"Jeff Johnson" <jeff.johnson@aeoncomputing.com><br><b>À: </b>"Simon Legrand" <simon.legrand@inria.fr><br><b>Cc: </b>"lustre-discuss" <lustre-discuss@lists.lustre.org><br><b>Envoyé: </b>Jeudi 4 Juillet 2019 20:40:40<br><b>Objet: </b>Re: [lustre-discuss] Frequency vs Cores for OSS/MDS processors<br></blockquote></div><div data-marker="__QUOTED_TEXT__"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><div><div dir="auto">Simon,</div></div><div dir="auto"><br></div><div dir="auto">Which backend do you plan on using? ldiskfs or zfs?</div><div dir="auto"><br></div><div dir="auto">—Jeff</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jul 4, 2019 at 10:41 Simon Legrand <<a href="mailto:simon.legrand@inria.fr" target="_blank">simon.legrand@inria.fr</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-family:arial,helvetica,sans-serif;font-size:12pt;color:#000000"><div>Dear all,<br></div><br><div>We are currently configuring a Lustre filesystem and facing a dilemma. We have the choice between two types of processors for an OSS and a MDS.<br></div><div>- Intel Xeon Gold 5217 3GHz, 11M Cache,10.40GT/s, 2UPI, Turbo, HT,8C/16T (115W) - DDR4-2666<br></div><div>- Intel Xeon Gold 5218 2.3GHz, 22M Cache,10.40GT/s, 2UPI, Turbo, HT,16C/32T (105W) - DDR4-2666<br></div><br><div>Basically, we have to choose between freequency and number of cores.<br></div><div>Our current architecture is the following:<br></div><div>- 1MDS with 11To SDD<br></div><div>- 3 OSS/OST (~ 3*80To)</div><div>Our final target is 6 OSS/OST with a single MDS.<br></div><div>Do anyone of you could help us to choose and explain us the reasons?<br></div><br><div>Best regards,<br></div><br><div>Simon<br></div></div></div>_______________________________________________<br>
lustre-discuss mailing list<br>
<a href="mailto:lustre-discuss@lists.lustre.org" target="_blank">lustre-discuss@lists.lustre.org</a><br>
<a href="http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org" rel="noreferrer" target="_blank">http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org</a><br>
</blockquote></div></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr">------------------------------<br>Jeff Johnson<br>Co-Founder<br>Aeon Computing<br><br><a href="mailto:jeff.johnson@aeoncomputing.com" target="_blank">jeff.johnson@aeoncomputing.com</a><br><a href="http://www.aeoncomputing.com" target="_blank">www.aeoncomputing.com</a><br>t: 858-412-3810 x1001 f: 858-412-3845<br>m: 619-204-9061<br><br>4170 Morena Boulevard, Suite C - San Diego, CA 92117<br><div>High-Performance Computing / Lustre Filesystems / Scale-out Storage</div></div></div></div></div><br></blockquote></div></div></body></html>