{"id":1813,"date":"2025-09-16T21:12:55","date_gmt":"2025-09-17T00:12:55","guid":{"rendered":"https:\/\/helpsysadmin.com.br\/blog\/?p=1813"},"modified":"2025-10-01T03:09:55","modified_gmt":"2025-10-01T06:09:55","slug":"how-configure-raid-1","status":"publish","type":"post","link":"https:\/\/helpsysadmin.com.br\/blog\/en\/how-configure-raid-1\/","title":{"rendered":"How to configure Raid 1 on Linux systems?"},"content":{"rendered":"<div id=\"helps-4246056700\" class=\"helps-before-content-2 helps-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3661896953164277\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- 2anuncios display quadrado -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-3661896953164277\"\r\n     data-ad-slot=\"5051229894\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-raid-1-a-complete-summary-of-disk-mirroring\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">RAID 1: A Complete Summary of Disk Mirroring<\/font><\/font><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">RAID 1, also known as &#8220;mirroring,&#8221; is a data storage technology that prioritizes redundancy and high availability by duplicating information across two or more hard drives (HDDs or SSDs). In its most common configuration, with two drives, all data written to one drive is simultaneously and identically written to the other, creating an exact copy or &#8220;mirror.&#8221;<\/font><\/font><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">The main purpose of RAID 1 is to ensure data protection against hardware failure. If one disk in the array fails, the system continues operating normally using the mirrored disk, without data loss or interruption in access. This makes RAID 1 a popular choice for systems that require high reliability and continuous uptime.<\/font><\/font><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-configure-raid-1-on-linux-systems-a-complete-guide\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">How to Configure Raid 1 on Linux Systems: A Complete Guide<\/font><\/font><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Setting up a RAID 1 array (mirroring) on \u200b\u200b<a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Como instalar Crowdsec\" target=\"_blank\" rel=\"noopener\">Linux<\/a> systems is an effective way to ensure data redundancy and increase system fault tolerance. This detailed guide will provide a step-by-step guide to setting up a software RAID 1 using the tool <\/font><\/font><code>mdadm<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">, the standard RAID management utility in Linux.<\/font><\/font><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-prerequisites\">Prerequisites<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Before you begin, make sure you have:<\/font><\/font><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Two or more hard drives,<\/font><\/font><\/strong><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\"> preferably the same size. If the drives are different sizes, the array will be the size of the smallest drive.<\/font><\/font><\/li>\n\n\n\n<li><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">The utility <\/font><\/font><strong><code>mdadm<\/code><\/strong><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">is installed. Most modern Linux distributions already include it. If not, it can be installed through your distribution&#8217;s package manager.<\/font><\/font><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-by-step-guide-to-configuring-raid-1\">Step by Step Guide to Configuring RAID 1<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-1-installation-of-mdadm\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">1. Installation of<\/font><\/font><code> mdadm<\/code><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">If it <\/font><\/font><code>mdadm<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">is not installed, use the appropriate command for your distribution:<\/font><\/font><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><strong><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">For Debian\/Ubuntu based distributions:<\/font><\/font><\/strong><\/strong><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>sudo apt-get update\nsudo apt-get install mdadm<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><strong><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">For Red Hat\/Almalinux\/Fedora based distributions:<\/font><\/font><\/strong><\/strong><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>sudo dnf install mdadm<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-2-identifying-and-partitioning-disks\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">2. Identifying and Partitioning Disks<\/font><\/font><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">First, identify the disks that will be used in the RAID array. Use the <\/font><\/font><code>lsblk<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">or command <\/font><\/font><code>fdisk -l<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">to list the available disks. Assume the disks to be used are <\/font><\/font><code>\/dev\/sdb<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">and <\/font><\/font><code>\/dev\/sdc<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">.<\/font><\/font><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Warning:<\/font><\/font><\/strong><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\"> The following steps will erase all data on the selected drives. Back up any important data.<\/font><\/font><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Now, we need to create partitions on the disks that will be designated for RAID. We&#8217;ll use the following <\/font><\/font><code>fdisk<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">for this example:<\/font><\/font><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Open the utility <\/font><\/font><code>fdisk<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">for the first disk:<\/font><\/font><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>sudo fdisk \/dev\/sdb<\/pre><\/div>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Inside <\/font><\/font><code>fdisk<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">, follow these steps:<\/font><\/font>\n<ul class=\"wp-block-list\">\n<li><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Enter <\/font><\/font><code>n <\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">to create a new partition.<\/font><\/font><\/li>\n\n\n\n<li><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Press <\/font><\/font><code>p <\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">to create a primary partition.<\/font><\/font><\/li>\n\n\n\n<li><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Press <\/font><\/font><code>1 <\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">to select the partition number.<\/font><\/font><\/li>\n\n\n\n<li><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Press <\/font><\/font><code>Enter<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">twice to accept the default values \u200b\u200bfor the first and last sector, using the entire disk.<\/font><\/font><\/li>\n\n\n\n<li><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Enter <\/font><\/font><code>t <\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">to change the partition type.<\/font><\/font><\/li>\n\n\n\n<li><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Type <\/font><\/font><code>fd<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">(Linux raid autodetect) to set the partition type to RAID.<\/font><\/font><\/li>\n\n\n\n<li><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Enter <\/font><\/font><code>w <\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">to save changes and exit.<\/font><\/font><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Repeat the same process for the second disk ( <\/font><\/font><code>\/dev\/sdc<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">). When finished, you&#8217;ll have the partitions <\/font><\/font><code>\/dev\/sdb1<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">ready <\/font><\/font><code>\/dev\/sdc1<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">to be used in the RAID array.<\/font><\/font><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-3-creating-a-raid-1-array\">3. <font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Creating a RAID 1 Array<\/font><\/font><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">With the partitions ready, use the command <\/font><\/font><code>mdadm<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">to create the RAID device. In this example, we&#8217;ll create a device named <\/font><\/font><code>\/dev\/md0<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">:<\/font><\/font><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>sudo mdadm --create --verbose \/dev\/md0 --level=1 --raid-devices=2 \/dev\/sdb1 \/dev\/sdc1<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Let&#8217;s understand the parameters:<\/font><\/font><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>--create \/dev\/md0<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">: Creates a new RAID device named <\/font><\/font><code>\/dev\/md0<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">.<\/font><\/font><\/li>\n\n\n\n<li><code>--verbose<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">: Displays detailed information during the creation process.<\/font><\/font><\/li>\n\n\n\n<li><code>--level=1<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">: Specifies the RAID level, in this case, RAID 1 (mirroring).<\/font><\/font><\/li>\n\n\n\n<li><code>--raid-devices=2<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">: Sets the number of devices in the array.<\/font><\/font><\/li>\n\n\n\n<li><code>\/dev\/sdb1 \/dev\/sdc1<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">: The partitions that will be part of the RAID array.<\/font><\/font><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-4-verifying-the-raid-array\">4. <font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Verifying the RAID Array<\/font><\/font><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">After creation, it&#8217;s crucial to check the status of the array. The disk synchronization process will begin. You can monitor the progress with the following command:<\/font><\/font><\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>cat \/proc\/mdstat<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">The output will show the progress of the rebuild (resync). Wait until the sync is 100% complete.<\/font><\/font><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For full arrangement details, use:<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>sudo mdadm --detail \/dev\/md0<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-5-creating-a-file-system\">5.<font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\"> Creating a File System<\/font><\/font><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">With the RAID array created and synchronized, the next step is to format it with a file system. We&#8217;ll use the following <\/font><\/font><code>ext4 <\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">as an example:<\/font><\/font><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>sudo mkfs.ext4 \/dev\/md0<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-6-mounting-the-raid-device\">6. <font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Mounting the RAID Device<\/font><\/font><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Now, let&#8217;s mount the RAID device so the system can use it. Create a mount point and then mount the device:<\/font><\/font><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>sudo mkdir -p \/mnt\/raid1\nsudo mount \/dev\/md0 \/mnt\/raid1<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Verify that the device was mounted correctly with the command <\/font><\/font><code>df -h<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">.<\/font><\/font><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-7-making-the-raid-array-persistent\">7. <font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Making the RAID Array Persistent<\/font><\/font><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">To ensure that the RAID array is automatically assembled after each reboot, two configurations need to be made<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">First, save the RAID configuration to the configuration file <\/font><\/font><code>mdadm<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">:<\/font><\/font><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>sudo mdadm --detail --scan | sudo tee -a \/etc\/mdadm\/mdadm.conf<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Then add an entry to the file <\/font><\/font><code>\/etc\/fstab <\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">to mount the device at boot. Get the device&#8217;s UUID with the command <\/font><\/font><code>blkid<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">:<\/font><\/font><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>sudo blkid \/dev\/md0<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Copy the value of <\/font><\/font><code>UUID<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">and add the following line to the end of the file <\/font><\/font><code>\/etc\/fstab<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">(replace <\/font><\/font><code>SEU_UUID_AQUI<\/code><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">with the copied UUID):<\/font><\/font><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>UUID=YOUR_UUID_HERE \/mnt\/raid1 ext4 defaults 0 0<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Salve e feche o arquivo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-conclusion\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">Conclusion<\/font><\/font><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><font dir=\"auto\" style=\"vertical-align: inherit;\"><font dir=\"auto\" style=\"vertical-align: inherit;\">By following these steps, you&#8217;ll have successfully configured a RAID 1 array on your Linux system, providing an essential layer of data protection through disk mirroring. Remember to regularly monitor the health of your RAID array to ensure its integrity and functionality.<\/font><\/font><\/p>\n","protected":false},"excerpt":{"rendered":"<p>RAID 1: A Complete Summary of Disk Mirroring RAID 1, also known as &#8220;mirroring,&#8221; is a data storage technology that prioritizes redundancy [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1805,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1206,1209,1204],"tags":[1223,1211,1402,1217],"class_list":["post-1813","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-security","category-server-management","tag-almalinux-en","tag-linux-en","tag-server-linux","tag-ubuntu-en-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to configure Raid 1 on Linux systems? - Blog HelpSysAdmin<\/title>\n<meta name=\"description\" content=\"Learn how to configure RAID 1 on Linux systems with this step-by-step guide. 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