{"id":4137,"date":"2016-06-10T15:42:41","date_gmt":"2016-06-10T20:42:41","guid":{"rendered":"http:\/\/icesquare.com\/wordpress\/?p=4137"},"modified":"2016-06-10T15:42:42","modified_gmt":"2016-06-10T20:42:42","slug":"modprobe-error-could-not-insert-zfs-required-key-not-available","status":"publish","type":"post","link":"https:\/\/icesquare.com\/wordpress\/modprobe-error-could-not-insert-zfs-required-key-not-available\/","title":{"rendered":"modprobe: ERROR: could not insert &#8216;zfs&#8217;: Required key not available"},"content":{"rendered":"<p>Today I was trying to install ZFS on a CentOS 7 box. Typically rebooting the computer, the ZFS mododule will be turned on. However, it didn&#8217;t turn on in my case.<\/p>\n<div style=\"margin-top:130px;\"> <\/div>\n<pre>\r\nFailed to load ZFS module stack.\r\nLoad the module manually by running 'insmod <location>\/zfs.ko' as root.\r\n<\/location><\/pre>\n<p>So I tried to turn on the module:<\/p>\n<pre>\r\n#sudo modprobe zfs\r\nmodprobe: ERROR: could not insert 'zfs': Required key not available.\r\n<\/pre>\n<p>Turn out this is a newer machine with UEFI available. It has something to do with the secure boot. After I reboot the machine and log in to the BIOS menu, turn on the secure boot feature, and everything is working again.<\/p>\n<p>Have fun with ZFS.<\/p>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today I was trying to install ZFS on a CentOS 7 box. Typically rebooting the computer, the ZFS mododule will be turned on. However, it didn&#8217;t turn on in my <a class=\"more-link\" href=\"https:\/\/icesquare.com\/wordpress\/modprobe-error-could-not-insert-zfs-required-key-not-available\/\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":1260,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[94,146,6,69,109],"tags":[48,177],"class_list":["post-4137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computer-problems-computer-help-pc-support","category-everyday-computer-problem","category-technology","category-troubleshooting-technology","category-zfs","tag-linux","tag-zfs"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p1sqzr-14J","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":4436,"url":"https:\/\/icesquare.com\/wordpress\/how-to-fix-the-mess-created-by-zfs-on-linux-after-update\/","url_meta":{"origin":4137,"position":0},"title":"&#8220;ZFS on Linux&#8221;: The ZFS modules are not loaded. Try running &#8216;\/sbin\/modprobe zfs&#8217; as root to load them.","author":"Derrick","date":"April 10, 2018","format":false,"excerpt":"Last Updated: Oct 10, 2021 This article is based on my experience with CentOS 7. If you are running other Linux distributions, please adjust the commands and package names accordingly (e.g., yum --> apt-get). As of Oct 3, 2019, I cannot get ZFS on Linux running on CentOS 8. ZFS\u2026","rel":"","context":"In &quot;Computer Problems&quot;","block_context":{"text":"Computer Problems","link":"https:\/\/icesquare.com\/wordpress\/category\/technology\/computer-problems-computer-help-pc-support\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4202,"url":"https:\/\/icesquare.com\/wordpress\/centosrhel-7-no-zfs-after-updating-the-kernel\/","url_meta":{"origin":4137,"position":1},"title":"CentOS\/RHEL 7 &#8211; No ZFS After Updating the Kernel","author":"Derrick","date":"December 12, 2016","format":false,"excerpt":"Let's all agree with this fact: ZFS is foreign to Linux. It is not native. You can't expect that ZFS on Linux will run smoothly as FreeBSD or Solaris. Having using ZFS on Linux since 2013 (and ZFS on FreeBSD since 2009), I've noticed that ZFS does not like Linux\u2026","rel":"","context":"In &quot;Computer Problems&quot;","block_context":{"text":"Computer Problems","link":"https:\/\/icesquare.com\/wordpress\/category\/technology\/computer-problems-computer-help-pc-support\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4005,"url":"https:\/\/icesquare.com\/wordpress\/centos-6-no-zfs-after-upgrading-the-kernel\/","url_meta":{"origin":4137,"position":2},"title":"CentOS\/RHEL 6: No ZFS after upgrading the kernel","author":"Derrick","date":"March 2, 2016","format":false,"excerpt":"This article is mainly for CentOS 6, please visit here for CentOS 7. After I upgraded the CentOS \/ RHEL system to the latest kernel, the ZFS failed to start. The system was unable to load the ZFS module, i.e., I could not access my data. Here are some error\u2026","rel":"","context":"In &quot;Computer Problems&quot;","block_context":{"text":"Computer Problems","link":"https:\/\/icesquare.com\/wordpress\/category\/technology\/computer-problems-computer-help-pc-support\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/icesquare.com\/wordpress\/wp-content\/uploads\/2011\/01\/zfs_logo.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":4679,"url":"https:\/\/icesquare.com\/wordpress\/zfs-on-linux-trouble-this-pool-uses-the-following-features-not-supported-by-this-system-all-unsupported-features-are-only-required-for-writing-to-the-pool\/","url_meta":{"origin":4137,"position":3},"title":"[ZFS On Linux Trouble] This pool uses the following feature(s) not supported by this system&#8230;All unsupported features are only required for writing to the pool, zpool create: invalid argument for this pool operation","author":"Derrick","date":"February 11, 2020","format":false,"excerpt":"When I rebooted my computer and loaded my ZFS pool today, I got this error message: #sudo zpool import -a This pool uses the following feature(s) not supported by this system: org.zfsonlinux:project_quota (space\/object accounting based on project ID.) com.delphix:spacemap_v2 (Space maps representing large segments are more efficient.) All unsupported features\u2026","rel":"","context":"In &quot;Technology&quot;","block_context":{"text":"Technology","link":"https:\/\/icesquare.com\/wordpress\/category\/technology\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3914,"url":"https:\/\/icesquare.com\/wordpress\/zfs-linux-vs-freebsd\/","url_meta":{"origin":4137,"position":4},"title":"Running ZFS on Linux: Things you should know and be aware of","author":"Derrick","date":"February 29, 2016","format":false,"excerpt":"First Published: Feb 29, 2016 Last Revised: January 10, 2026 ZFS is a next-generation file system renowned for its reliability and advanced features. However, due to legal and licensing issues, it is not included by default in most Linux distributions. Fortunately, you can still install (ZFS on Linux) with just\u2026","rel":"","context":"In &quot;Computer Problems&quot;","block_context":{"text":"Computer Problems","link":"https:\/\/icesquare.com\/wordpress\/category\/technology\/computer-problems-computer-help-pc-support\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4286,"url":"https:\/\/icesquare.com\/wordpress\/how-to-install-zfs-on-rhel-centos-7\/","url_meta":{"origin":4137,"position":5},"title":"How to install ZFS on RHEL \/ CentOS 7","author":"Derrick","date":"January 4, 2017","format":false,"excerpt":"A friend of mine likes to try ZFS on CentOS 7, therefore I decide to make a guide for him. The following instructions have been well tested on CentOS 7. Before you decide to put ZFS in a production use, you should be aware of the following: ZFS is originally\u2026","rel":"","context":"In &quot;Everyday Computer Problem&quot;","block_context":{"text":"Everyday Computer Problem","link":"https:\/\/icesquare.com\/wordpress\/category\/everyday-computer-problem\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/icesquare.com\/wordpress\/wp-content\/uploads\/2011\/01\/zfs_logo.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"jetpack_featured_media_url":"https:\/\/icesquare.com\/wordpress\/wp-content\/uploads\/2011\/01\/zfs_logo.jpg","_links":{"self":[{"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/posts\/4137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/comments?post=4137"}],"version-history":[{"count":5,"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/posts\/4137\/revisions"}],"predecessor-version":[{"id":4142,"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/posts\/4137\/revisions\/4142"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/media\/1260"}],"wp:attachment":[{"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/media?parent=4137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/categories?post=4137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/icesquare.com\/wordpress\/wp-json\/wp\/v2\/tags?post=4137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}