{"id":52038,"date":"2024-07-31T11:26:47","date_gmt":"2024-07-31T11:26:47","guid":{"rendered":"https:\/\/www.sardinasystems.com\/non-classifiee\/comment-nous-avons-teste-fishos-sur-les-dpu-nvidia-bluefield\/"},"modified":"2025-05-14T16:16:53","modified_gmt":"2025-05-14T16:16:53","slug":"how-we-tested-fishos-on-nvidia-bluefield-dpus","status":"publish","type":"post","link":"https:\/\/www.sardinasystems.com\/fr\/actualites\/how-we-tested-fishos-on-nvidia-bluefield-dpus\/","title":{"rendered":"Comment nous avons test\u00e9 FishOS sur les DPU Nvidia Bluefield"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>Nous avons test\u00e9 la capacit\u00e9 du DPU Bluefield-2 \u00e0 g\u00e9rer le d\u00e9chargement OVN\/OVS dans l&rsquo;environnement FishOS.\nLes r\u00e9sultats ont montr\u00e9 un fonctionnement fluide, une latence r\u00e9duite et des ressources CPU lib\u00e9r\u00e9es, d\u00e9montrant le potentiel de FishOS et des DPU Bluefield pour optimiser les op\u00e9rations des centres de donn\u00e9es modernes. <\/em><\/p>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-1-color\">FishOS : am\u00e9liorer la gestion des nuages<\/mark><\/strong><br\/>FishOS de Sardina Systems est une plateforme avanc\u00e9e de gestion du cloud bas\u00e9e sur OpenStack.\nCon\u00e7ue pour am\u00e9liorer l&rsquo;efficacit\u00e9 et l&rsquo;\u00e9volutivit\u00e9 des centres de donn\u00e9es modernes, FishOS s&rsquo;appuie sur l&rsquo;automatisation et la gestion intelligente des ressources pour rationaliser les op\u00e9rations, r\u00e9duire les co\u00fbts et am\u00e9liorer les performances globales. <br\/><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/FishOS-2-1024x1022.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1022\" src=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/FishOS-2-1024x1022.png\" alt=\"\" class=\"wp-image-50394\" srcset=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/FishOS-2-1024x1022.png 1024w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/FishOS-2-300x300.png 300w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/FishOS-2-150x150.png 150w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/FishOS-2-768x767.png 768w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/FishOS-2-560x560.png 560w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/FishOS-2.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-1-color\">DPU Nvidia Bluefield : R\u00e9volutionner le traitement des donn\u00e9es<\/mark><\/strong><br\/>Les DPU Nvidia Bluefield sont des processeurs sp\u00e9cialis\u00e9s qui d\u00e9chargent et acc\u00e9l\u00e8rent les t\u00e2ches de r\u00e9seau, de stockage et de s\u00e9curit\u00e9, lib\u00e9rant ainsi les CPU principaux.\nCes unit\u00e9s am\u00e9liorent les performances et l&rsquo;efficacit\u00e9 des centres de donn\u00e9es en g\u00e9rant les charges de travail intensives en donn\u00e9es, en offrant une programmabilit\u00e9 et des performances \u00e9lev\u00e9es pour r\u00e9pondre aux exigences de l&rsquo;informatique moderne. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Architectures traditionnelles et modernes des centres de donn\u00e9es<\/strong><br\/>Les centres de donn\u00e9es traditionnels s&rsquo;appuient largement sur des unit\u00e9s centrales polyvalentes pour toutes les t\u00e2ches, ce qui entra\u00eene des goulets d&rsquo;\u00e9tranglement au niveau des performances, un manque d&rsquo;efficacit\u00e9 au niveau des ressources et des co\u00fbts op\u00e9rationnels plus \u00e9lev\u00e9s.\nL&rsquo;av\u00e8nement de l&rsquo;informatique en nuage et de la virtualisation a consid\u00e9rablement transform\u00e9 les centres de donn\u00e9es.\nL&rsquo;informatique en nuage offre une allocation flexible des ressources, une \u00e9volutivit\u00e9 \u00e0 la demande et une rentabilit\u00e9, tandis que la virtualisation fait abstraction du mat\u00e9riel physique, am\u00e9liorant ainsi l&rsquo;utilisation et la gestion de l&rsquo;infrastructure.  <br\/><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><a href=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/BF2-DPU-1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"820\" height=\"462\" src=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/BF2-DPU-1.png\" alt=\"\" class=\"wp-image-50397\" style=\"width:706px;height:auto\" srcset=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/BF2-DPU-1.png 820w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/BF2-DPU-1-300x169.png 300w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/BF2-DPU-1-768x433.png 768w\" sizes=\"auto, (max-width: 820px) 100vw, 820px\" \/><\/a><\/figure>\n<\/div>\n<p class=\"wp-block-paragraph\"><br\/><br\/> <br\/><br\/><br\/><br\/><br\/><br\/><br\/>    <br\/><br\/><br\/>L&rsquo;int\u00e9gration des DPU Bluefield dans les centres de donn\u00e9es permet de relever ces d\u00e9fis.\nEn d\u00e9chargeant le CPU des t\u00e2ches intensives, elles am\u00e9liorent les performances et offrent des fonctions de s\u00e9curit\u00e9 bas\u00e9es sur le mat\u00e9riel. <br\/><br\/><strong>Objectif :<\/strong><br\/>Tester si Bluefield-2 (BF2) peut g\u00e9rer de mani\u00e8re transparente le d\u00e9lestage OVN\/OVS dans l&rsquo;environnement FishOS OpenStack, permettant aux utilisateurs de provisionner des machines virtuelles.<br\/><em>Conditions de test : <\/em>Une plateforme de test a \u00e9t\u00e9 d\u00e9ploy\u00e9e avec un fournisseur de services en nuage qui a allou\u00e9 du mat\u00e9riel avec des DPU BF2.\nSardina Systems a ensuite d\u00e9ploy\u00e9 l&rsquo;environnement FishOS OpenStack sur cette configuration. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Guide de l&rsquo;utilisateur \u00e9tape par \u00e9tape<\/strong><br\/><em>D\u00e9ploiement :<\/em> FishOS OpenStack (version Bobcat) a \u00e9t\u00e9 d\u00e9ploy\u00e9 sur des n\u0153uds de serveurs utilisant AlmaLinux 9 comme syst\u00e8me d&rsquo;exploitation de base.<br\/>BF2 DPU Mode and OS Options : Le mode DPU BF2 requis \u00e9tait \u00ab\u00a0Embedded CPU\u00a0\u00bb.\nDiff\u00e9rentes options de syst\u00e8me d&rsquo;exploitation ont \u00e9t\u00e9 test\u00e9es sur les DPU BF2.\nApr\u00e8s avoir \u00e9tudi\u00e9 la documentation, nous avons d\u00e9cid\u00e9 qu&rsquo;il n&rsquo;\u00e9tait pas possible de prendre en compte tous les inconv\u00e9nients d&rsquo;un syst\u00e8me d&rsquo;exploitation personnalis\u00e9 pour ce test.\nPar cons\u00e9quent, une version officielle Nvidia d&rsquo;un syst\u00e8me d&rsquo;exploitation Ubuntu pour BF2 a \u00e9t\u00e9 d\u00e9ploy\u00e9e via l&rsquo;interface RShim \u00e0 l&rsquo;aide de la commande bfb-install.   <br\/><\/p>\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><em>Ce que nous avons d\u00e9couvert durant la phase de d\u00e9ploiement :<\/em><br\/>&#8211; L&rsquo;installation d&rsquo;AlmaLinux 9 s&rsquo;est faite facilement via PXE.<br\/>&#8211; Debian 12 a n\u00e9cessit\u00e9 des ajustements initramfs.<br\/>&#8211; L&rsquo;installation du paquet DOCA de Nvidia a \u00e9t\u00e9 n\u00e9cessaire pour une bonne fonctionnalit\u00e9 de BF2.<br\/>&#8211; L&rsquo;interface RShim est n\u00e9cessaire pour le d\u00e9ploiement du syst\u00e8me d&rsquo;exploitation Ubuntu de Nvidia sur BF2.<br\/>&#8211; Test de la bande passante : La bande passante entre deux DPUs BF2 a \u00e9t\u00e9 test\u00e9e en utilisant iPerf3, atteignant 100 Gbit\/sec.<br\/><\/p>\n<\/blockquote>\n\n<p class=\"wp-block-paragraph\"><br\/>Les h\u00f4tes DPU BF2 ont \u00e9t\u00e9 d\u00e9ploy\u00e9s dans le cloud et configur\u00e9s pour h\u00e9berger des agents OpenStack Neutron OVN.\nNous avons suivi la documentation officielle pour activer le support SmartNIC DPU dans OpenStack : OpenStack Neutron SmartNIC DPU Support. <br\/><\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Mise en r\u00e9seau de machines virtuelles d\u00e9charg\u00e9es :<\/strong><br\/>Pour utiliser la mise en r\u00e9seau de machines virtuelles d\u00e9charg\u00e9es, le SR-IOV a d\u00fb \u00eatre activ\u00e9.\nAlors que BF2 supporte jusqu&rsquo;\u00e0 127 fonctions virtuelles, la plateforme mat\u00e9rielle du n\u0153ud fourni ne d\u00e9marrait pas avec cette configuration, la limite a donc \u00e9t\u00e9 fix\u00e9e \u00e0 63 dans les param\u00e8tres du firmware de BF2.<br\/>Lors de la cr\u00e9ation de la machine virtuelle, il a \u00e9t\u00e9 constat\u00e9 qu&rsquo;OpenStack Nova et Neutron n\u00e9cessitaient des correctifs suppl\u00e9mentaires pour que le r\u00e9seau de locataire d\u00e9charg\u00e9 fonctionne correctement.<br\/>Le calcul Nova filtrait le p\u00e9riph\u00e9rique SR-IOV demand\u00e9 par le chef d&rsquo;orchestre Nova.\nCe probl\u00e8me a \u00e9t\u00e9 att\u00e9nu\u00e9 en commentant la ligne de filtrage. <br\/>Le serveur Neutron a refus\u00e9 de lier des ports en raison d&rsquo;une incompatibilit\u00e9 de capacit\u00e9s, probablement un bogue. <br\/>La ligne dans le fichier neutron\/common\/ovn\/utils.py a \u00e9t\u00e9 modifi\u00e9e <strong>:<\/strong>  <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-large is-resized\"><a href=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/from-this-1024x152.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"152\" src=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/from-this-1024x152.png\" alt=\"\" class=\"wp-image-50385\" style=\"width:752px;height:auto\" srcset=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/from-this-1024x152.png 1024w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/from-this-300x45.png 300w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/from-this-768x114.png 768w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/from-this-1536x228.png 1536w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/from-this-1920x285.png 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n<p class=\"wp-block-paragraph\"><br\/><br\/><\/p>\n\n<p class=\"wp-block-paragraph\"><br\/><strong>\u00e0 cela :<\/strong><br\/><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-large\"><a href=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/code-to-this-1-1024x102.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"102\" src=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/code-to-this-1-1024x102.png\" alt=\"\" class=\"wp-image-50391\" srcset=\"https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/code-to-this-1-1024x102.png 1024w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/code-to-this-1-300x30.png 300w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/code-to-this-1-768x76.png 768w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/code-to-this-1-1536x153.png 1536w, https:\/\/www.sardinasystems.com\/wp-content\/uploads\/2024\/07\/code-to-this-1-1920x191.png 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n<p class=\"wp-block-paragraph\"><br\/><br\/><br\/><br\/><strong>Test de la machine virtuelle :<\/strong><br\/>Lors du test de la machine virtuelle, aucune charge significative du processeur n&rsquo;a \u00e9t\u00e9 d\u00e9tect\u00e9e sur le n\u0153ud principal ou le DPU.\nNous avons \u00e9galement test\u00e9 les cartes BF2 en \u00a0\u00bb mode NIC \u00ab\u00a0, o\u00f9 leur fonctionnalit\u00e9 est similaire \u00e0 celle d&rsquo;une carte ConnectX 6.\nL&rsquo;un des avantages du \u00a0\u00bb mode DPU \u00a0\u00bb est qu&rsquo;aucun pilote OFED n&rsquo;est n\u00e9cessaire sur les n\u0153uds de calcul, contrairement au \u00a0\u00bb mode NIC \u00ab\u00a0.\nPar cons\u00e9quent, pour permettre le d\u00e9chargement du r\u00e9seau superpos\u00e9, nous avons install\u00e9 les derniers pilotes OFED de Mellanox sur les n\u0153uds principaux.\nCela a entra\u00een\u00e9 une charge administrative suppl\u00e9mentaire pour les futures mises \u00e0 jour, en particulier les mises \u00e0 niveau du noyau (qui n\u00e9cessitent la reconstruction des modules) et les mises \u00e0 niveau OFED (qui ne sont prises en charge que par une d\u00e9sinstallation et une r\u00e9installation compl\u00e8tes).    <\/p>\n\n<p class=\"wp-block-paragraph\">Le test de la machine virtuelle en mode BF2 NIC \u00e9tait similaire au test en mode DPU, \u00e0 l&rsquo;exception de l&rsquo;utilisation des ports Neutron de type \u00ab\u00a0direct\u00a0\u00bb.\nLe test iPerf3 \u00e0 8 threads entre machines virtuelles a montr\u00e9 un d\u00e9bit d&rsquo;environ 70 Gbps. <\/p>\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><em>Test des machines virtuelles :<\/em><br\/>&#8211; Neutron ML2\/OVN a utilis\u00e9 des tunnels GENEVE pour le r\u00e9seau superpos\u00e9 des locataires.<br\/>&#8211; Un r\u00e9seau de locataires s\u00e9par\u00e9 a \u00e9t\u00e9 cr\u00e9\u00e9 avec deux ports Neutron du type g\u00e9r\u00e9 \u00e0 distance.<br\/>&#8211; Deux machines virtuelles fonctionnant sous AlmaLinux 9 ont \u00e9t\u00e9 d\u00e9ploy\u00e9es sur des n\u0153uds distincts.<br\/>&#8211; Test iPerf3 \u00e0 un seul processeur : ~25 Gbit\/sec.<br\/>&#8211; Test iPerf3 \u00e0 8 threads : ~86 Gbit\/sec.<br\/>&#8211; Une charge CPU insignifiante a \u00e9t\u00e9 d\u00e9tect\u00e9e sur le n\u0153ud principal et le DPU.<\/p>\n<\/blockquote>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-1-color\">R\u00e9sum\u00e9<\/mark><\/strong><br\/>La demande croissante de connexions \u00e0 large bande passante pour traiter des volumes de donn\u00e9es massifs, y compris les op\u00e9rations d&rsquo;IA, n\u00e9cessite des solutions efficaces pour \u00e9liminer les goulots d&rsquo;\u00e9tranglement.\nFishOS r\u00e9sout ce d\u00e9fi en d\u00e9chargeant ces goulets d&rsquo;\u00e9tranglement sur du mat\u00e9riel sp\u00e9cialis\u00e9 comme les DPU Bluefield.\nEn supprimant le logiciel de r\u00e9seau n\u00e9cessaire du n\u0153ud principal et en tirant parti de technologies avanc\u00e9es telles que les pilotes OFED, FishOS am\u00e9liore consid\u00e9rablement les performances, r\u00e9duit la latence et lib\u00e8re des ressources CPU pour le traitement des applications critiques.\nIl en r\u00e9sulte des op\u00e9rations de centre de donn\u00e9es transparentes et efficaces.   <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nous avons test\u00e9 la capacit\u00e9 du DPU Bluefield-2 \u00e0 g\u00e9rer le d\u00e9chargement OVN\/OVS dans l&rsquo;environnement FishOS. Les r\u00e9sultats ont montr\u00e9 un fonctionnement fluide, une latence r\u00e9duite et des ressources CPU lib\u00e9r\u00e9es, d\u00e9montrant le potentiel de FishOS et des DPU Bluefield pour optimiser les op\u00e9rations des centres de donn\u00e9es modernes. FishOS : am\u00e9liorer la gestion des [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":52051,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1276,1277],"tags":[1278,1356,1508,1509,1510],"class_list":["post-52038","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-notre-blog","tag-poissons","tag-infrastructure-informatique","tag-materiel","tag-itproductivite","tag-bluefielddpu-fr","grve-entry-item","grve-blog-item"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Test de FishOS sur les DPU Nvidia Bluefield \u2013 Le test a prouv\u00e9 la capacit\u00e9 de FishOS Cloud sur les DPU Bluefield \u00e0 d\u00e9charger les CPU et \u00e0 am\u00e9liorer les performances globales du syst\u00e8me.\" \/>\n\t<meta name=\"robots\" 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