{"id":6328,"date":"2020-03-22T10:18:43","date_gmt":"2020-03-22T10:18:43","guid":{"rendered":"https:\/\/bodhost.com\/kb\/?p=6328"},"modified":"2026-02-27T13:32:37","modified_gmt":"2026-02-27T13:32:37","slug":"how-to-resolve-module-error-in-r1-soft-backup","status":"publish","type":"post","link":"https:\/\/www.bodhost.com\/kb\/how-to-resolve-module-error-in-r1-soft-backup\/","title":{"rendered":"How to Resolve Module Error in R1 Soft Backup?"},"content":{"rendered":"\r\n<p>When installing or updating the R1Soft\/Idera CDP Agent, you may encounter module build failures due to missing kernel headers or development packages. These components are required for compiling the kernel driver (hcpdriver) that the CDP agent depends on. If the agent cannot automatically download or build the module, manual intervention is required.<\/p>\r\n<p>This guide provides a clear, step\u2011by\u2011step approach to diagnosing the issue, manually installing the required kernel packages, rebuilding the module, and ensuring the CDP Agent functions correctly.<\/p>\r\n<p><strong>1. Check Whether the Module Builds Successfully<\/strong><\/p>\r\n<p>Run the following command to test if the kernel module builds properly:<\/p>\r\n<pre><!--ScriptorStartFragment--><span style=\"color: #0000ff;\">serverbackup-setup --get-module<\/span><!--ScriptorEndFragment--><\/pre>\r\n<ul>\r\n<li>If kernel headers and development packages installed, the module should build automatically.<\/li>\r\n<li>After a successful build, restart the CDP Agent service.<\/li>\r\n<\/ul>\r\n<p><strong>2. If the Module Build Fails<\/strong><\/p>\r\n<p>If you receive an output similar to this:<\/p>\r\n<pre><span style=\"color: #0000ff;\">Building header archive.<\/span><br \/><span style=\"color: #0000ff;\">Failed to get a suitable module for this system: <\/span><br \/><span style=\"color: #0000ff;\">Failed to connect to a remote server.<\/span><br \/><span style=\"color: #0000ff;\">Get module failed.<\/span><br \/><span style=\"color: #0000ff;\">Falling back to the old get-module.<\/span><\/pre>\r\n<p>It means the system could not download a matching module, and you must build it manually.<\/p>\r\n<p><strong>3. Install Kernel Headers and Kernel Devel Packages Manually<\/strong><\/p>\r\n<p><strong>a) Find the Correct RPM Packages<\/strong><\/p>\r\n<p>Use the following URL to locate the <a href=\"https:\/\/www.bodhost.com\/kb\/how-to-install-rpm-package-in-linux-ubuntu\/\" target=\"_blank\" rel=\"noopener\">RPM packages<\/a> that match your server\u2019s installed kernel version:<\/p>\r\n<pre><span style=\"color: #0000ff;\">http:\/\/rpm.pbone.net\/index.php3\/<\/span><\/pre>\r\n<p>Search using the kernel version returned by:<\/p>\r\n<pre><span style=\"color: #0000ff;\">uname -r<\/span><\/pre>\r\n<p><strong>b) Download the RPM Packages<\/strong><\/p>\r\n<p>Once you identify the kernel-devel and kernel-headers RPMs:<\/p>\r\n<p>Copy the download link from the website.<\/p>\r\n<p>Use wget to download:<\/p>\r\n<p><!--ScriptorStartFragment--><\/p>\r\n<pre class=\"scriptor-paragraph\"><span style=\"color: #0000ff;\">wget &lt;paste_header_rpm_url&gt;<\/span><br \/><br \/><span style=\"color: #0000ff;\">wget &lt;paste_devel_rpm_url<\/span><!--ScriptorEndFragment--><\/pre>\r\n<div>Install the packages with:<\/div>\r\n<pre><span style=\"color: #0000ff;\">rpm -ivh &lt;package-name&gt;.rpm<\/span><\/pre>\r\n<div>\u00a0<\/div>\r\n<div><strong>4. Restart the CDP Agent<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div>After installing headers and devel packages:<\/div>\r\n<pre><span style=\"color: #0000ff;\">service cdp-agent restart<\/span><\/pre>\r\n<div>or<\/div>\r\n<pre><span style=\"color: #0000ff;\">systemctl restart cdp-agent<\/span><\/pre>\r\n<div><strong>5. Verify the Module Build<\/strong><\/div>\r\n<div>\u00a0<\/div>\r\n<div>Check whether the module has loaded successfully:<\/div>\r\n<pre><span style=\"color: #0000ff;\">lsmod | grep hcp<\/span><\/pre>\r\n<div>If you see output, the module is built and loaded.<\/div>\r\n<div>\u00a0<\/div>\r\n<div>\r\n<p><strong>6. If the Module Still Fails<\/strong><\/p>\r\n<p>If the module does not load even after installation and agent restart:<\/p>\r\n<pre><span style=\"color: #0000ff;\">Reboot the server<\/span><\/pre>\r\n<p>A reboot clears kernel-module mismatches and often resolves the issue.<\/p>\r\n<p>Read more tutorial: <a href=\"https:\/\/www.bodhost.com\/kb\/how-to-run-backup-via-command-line\/\" target=\"_blank\" rel=\"noopener\"><em>How to Run Backup via Command Line<\/em><\/a><\/p>\r\n<\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>When installing or updating the R1Soft\/Idera CDP Agent, you may encounter module build failures due to missing kernel headers or development packages. These components are required for compiling the kernel&hellip;<\/p>\n<p><a href=\"https:\/\/www.bodhost.com\/kb\/how-to-resolve-module-error-in-r1-soft-backup\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[815],"tags":[821,828],"class_list":["post-6328","post","type-post","status-publish","format-standard","hentry","category-r1soft-backups","tag-module-error-in-r1-soft-backup","tag-r1-soft-backup-error"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Resolve Module Error in R1 Soft Backup?<\/title>\n<meta name=\"description\" content=\"Encountering module errors while performing an R1Soft backup can be frustrating and potentially risky for your data.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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