{"id":393262,"date":"2024-11-08T01:49:34","date_gmt":"2024-11-08T01:49:34","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\/"},"modified":"2024-11-08T01:52:14","modified_gmt":"2024-11-08T01:52:14","slug":"bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\/","title":{"rendered":"bstrap_proxy error running Fluent in parallel on multiple nodes"},"content":{"rendered":"<p>&lt;p&gt;&lt;p&gt;&lt;p&gt;I&#8217;m trying to run a parallel Fluent job that spans multiple nodes on a Linux cluster.&nbsp; The job works fine when run on a single node, but a multi-node job fails with the error &#8220;unable to run bstrap_proxy on (hostname).&#8221;&nbsp; &nbsp;&lt;\/p&gt;&lt;p&gt;The cluster is running Linux (RHEL 9.4) with Slurm 24.05.&nbsp; &nbsp;I&#8217;ve tried Ansys 2024R1 and 2023R2.&nbsp; They both fail in the same way. &lt;\/p&gt;&lt;p&gt;I strongly suspect the issue is related to Slurm 24.05.&nbsp; Are there any workarounds? &lt;\/p&gt;&lt;p&gt;I saw another issue about AnsysEM that provided a patch for the HFSS slurm_srun_wrapper.sh script.&nbsp; &nbsp;Perhaps a similar issue affects fluent.&lt;\/p&gt;&lt;\/p&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-393262","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I&#039;m trying to run a parallel Fluent job that spans multiple nodes on a Linux cluster. The job works fine when run on a single node, but a multi-node job fails with the error &quot;unable to run bstrap_proxy on (hostname).&quot; The cluster is running Linux (RHEL 9.4) with Slurm 24.05. I&#039;ve tried Ansys 2024R1 and\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"bstrap_proxy error running Fluent in parallel on multiple nodes | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I&#039;m trying to run a parallel Fluent job that spans multiple nodes on a Linux cluster. The job works fine when run on a single node, but a multi-node job fails with the error &quot;unable to run bstrap_proxy on (hostname).&quot; The cluster is running Linux (RHEL 9.4) with Slurm 24.05. I&#039;ve tried Ansys 2024R1 and\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-08T01:49:34+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-08T01:52:14+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"bstrap_proxy error running Fluent in parallel on multiple nodes | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I&#039;m trying to run a parallel Fluent job that spans multiple nodes on a Linux cluster. The job works fine when run on a single node, but a multi-node job fails with the error &quot;unable to run bstrap_proxy on (hostname).&quot; The cluster is running Linux (RHEL 9.4) with Slurm 24.05. I&#039;ve tried Ansys 2024R1 and\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\\\/#listItem\",\"name\":\"bstrap_proxy error running Fluent in parallel on multiple nodes\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\\\/#listItem\",\"position\":3,\"name\":\"bstrap_proxy error running Fluent in parallel on multiple nodes\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\\\/\",\"name\":\"bstrap_proxy error running Fluent in parallel on multiple nodes | Ansys Learning Forum\",\"description\":\"I'm trying to run a parallel Fluent job that spans multiple nodes on a Linux cluster. The job works fine when run on a single node, but a multi-node job fails with the error \\\"unable to run bstrap_proxy on (hostname).\\\" The cluster is running Linux (RHEL 9.4) with Slurm 24.05. 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I've tried Ansys 2024R1 and","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\/#breadcrumblist"},"datePublished":"2024-11-08T01:49:34+00:00","dateModified":"2024-11-08T01:52:14+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"bstrap_proxy error running Fluent in parallel on multiple nodes | Ansys Learning Forum","og:description":"I'm trying to run a parallel Fluent job that spans multiple nodes on a Linux cluster. 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I've tried Ansys 2024R1 and"},"aioseo_meta_data":{"post_id":"393262","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2025-10-19 08:56:59","updated":"2026-09-17 10:35:45","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tbstrap_proxy error running Fluent in parallel on multiple nodes\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"bstrap_proxy error running Fluent in parallel on multiple nodes","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bstrap_proxy-error-running-fluent-in-parallel-on-multiple-nodes\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["2604:2d80:4905:5d00:ebd6:7cb3:1659:b119"],"_btv_view_count":["999"],"_bbp_topic_status":["unanswered"],"_edit_last":["5503"],"_bbp_revision_log":["a:2:{i:393263;a:2:{s:6:\"author\";i:5503;s:6:\"reason\";s:0:\"\";}i:393264;a:2:{s:6:\"author\";i:5503;s:6:\"reason\";s:0:\"\";}}"],"_bbp_topic_id":["393262"],"_bbp_forum_id":["27796"],"_bbp_engagement":["5503","282078","68381"],"_bbp_voice_count":["3"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["397454"],"_bbp_last_active_id":["397454"],"_bbp_last_active_time":["2024-12-13 16:56:32"],"_bbp_likes_count":["1"],"_bbp_notification_enabled":["282078"],"_bbp_subscription":["282078","68381"]},"test":"jedickeriastate-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/393262","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":2,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/393262\/revisions"}],"predecessor-version":[{"id":393264,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/393262\/revisions\/393264"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=393262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}