{"id":13255,"date":"2025-12-20T11:16:53","date_gmt":"2025-12-20T05:46:53","guid":{"rendered":"https:\/\/www.youstable.com\/blog\/?p=13255"},"modified":"2025-12-24T16:17:55","modified_gmt":"2025-12-24T10:47:55","slug":"use-zfs-on-linux","status":"publish","type":"post","link":"https:\/\/www.youstable.com\/blog\/use-zfs-on-linux","title":{"rendered":"How to Use ZFS on Linux Server for Reliable Storage"},"content":{"rendered":"\n<p><strong>To use ZFS on a Linux server<\/strong>, install OpenZFS, create a storage pool from raw disks, add datasets with compression enabled, set mountpoints, and protect data with snapshots and zfs send\/receive backups. Monitor health with zpool status, schedule scrubs, and avoid hardware RAID\u2014use HBA controllers and ECC RAM where possible.<\/p>\n\n\n\n<p>ZFS on Linux delivers enterprise-grade reliability, snapshots, checksums, and flexible storage pools in one filesystem. <\/p>\n\n\n\n<p>This guide walks you through installation, pool creation, dataset tuning, backups, and performance best practices, based on real-world hosting experience managing Linux servers at scale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"what-is-zfs-and-why-use-it-on-linux\"><strong>What is ZFS and Why Use it on Linux?<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<p>ZFS (specifically OpenZFS on Linux) is a combined filesystem and volume manager designed for data integrity, easy scaling, and simplified ops. Unlike traditional RAID+filesystem stacks, ZFS handles redundancy, caching, snapshots, and replication natively.<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1168\" height=\"784\" src=\"https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/What-Is-ZFS-and-Why-Use-It-on-Linux.png\" alt=\"What Is ZFS and Why Use It on Linux?\" class=\"wp-image-13590 size-full\" srcset=\"https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/What-Is-ZFS-and-Why-Use-It-on-Linux.png 1168w, https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/What-Is-ZFS-and-Why-Use-It-on-Linux-150x101.png 150w\" sizes=\"auto, (max-width: 1168px) 100vw, 1168px\" \/><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>End-to-end data integrity with checksums and self-healing<\/li>\n\n\n\n<li>Copy-on-write snapshots and clones for instant rollbacks<\/li>\n\n\n\n<li>Built-in RAID (mirror, RAIDZ1\/2\/3) without hardware RAID<\/li>\n\n\n\n<li>Transparent compression, encryption, and quotas<\/li>\n\n\n\n<li>Online growth, scrubs, and straightforward monitoring<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"prerequisites-and-best-practices\"><strong>Prerequisites and Best Practices<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hardware: <\/strong>Use non-RAID HBAs (IT mode). Avoid hardware RAID; expose raw disks to ZFS.<\/li>\n\n\n\n<li><strong>Memory:<\/strong> 8 GB minimum recommended; more RAM improves ARC caching. ECC RAM is strongly recommended for data integrity.<\/li>\n\n\n\n<li><strong>Disks:<\/strong> Prefer identical drives. Use \/dev\/disk\/by-id names to avoid device renumbering.<\/li>\n\n\n\n<li><strong>Sector size:<\/strong> Force ashift=12 for modern 4K-sector drives to prevent write amplification.<\/li>\n\n\n\n<li><strong>Backups: <\/strong>ZFS is resilient but not a backup. Implement offsite replication.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"install-openzfs-on-linux\"><strong>Install OpenZFS on Linux<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"ubuntu-and-debian\"><strong>Ubuntu and Debian<\/strong><\/h3>\n\n\n\n<p>Ubuntu provides ZFS packages in the official repos; Debian uses contrib\/non-free components. Ensure you have kernel headers for DKMS.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Ubuntu 20.04+ \/ 22.04+ \/ 24.04+\nsudo apt update\nsudo apt install zfsutils-linux\n\n# Debian (ensure contrib\/non-free enabled)\nsudo apt update\nsudo apt install linux-headers-$(uname -r) zfs-dkms zfsutils-linux\n\n# Load ZFS module\nsudo modprobe zfs\nzpool --version\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"rhel-almalinux-rocky-linux\"><strong>RHEL, AlmaLinux, Rocky Linux<\/strong><\/h3>\n\n\n\n<p>Use the OpenZFS on Linux repository to match your kernel. Install EPEL if required, then ZFS.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Enable EPEL (if not already)\nsudo dnf install epel-release -y\n\n# Add OpenZFS repo (example for EL9)\nsudo dnf install https:\/\/zfsonlinux.org\/epel\/zfs-release-2-2.el9.noarch.rpm -y\n\n# Install and load\nsudo dnf install zfs zfs-dkms -y\nsudo modprobe zfs\nzpool --version\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"fedora\"><strong>Fedora<\/strong><\/h3>\n\n\n\n<p>Fedora requires the OpenZFS COPR or official OpenZFS repo. Rebuilds may be needed after kernel updates (DKMS handles this).<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Add OpenZFS repo (example)\nsudo dnf install https:\/\/zfsonlinux.org\/fedora\/zfs-release-2-2.fc$(rpm -E %fedora).noarch.rpm -y\nsudo dnf install zfs zfs-dkms -y\nsudo modprobe zfs\n<\/code><\/pre>\n\n\n\n<p>Tip: After kernel updates, ensure the ZFS module builds successfully. If not, reboot into the previous kernel and update ZFS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"discover-disks-and-plan-your-pool\"><strong>Discover Disks and Plan Your Pool<\/strong><\/h3>\n\n\n\n<p>Identify disks by stable IDs and decide your redundancy level: mirror (like RAID1), RAIDZ1 (similar to RAID5), RAIDZ2 (RAID6), or RAIDZ3. For critical data, use mirrors or RAIDZ2+.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># List disks with stable paths\nls -l \/dev\/disk\/by-id\/\n\n# Check current block devices\nlsblk -o NAME,SIZE,MODEL,SERIAL\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"create-your-first-zfs-pool\"><strong>Create Your First ZFS Pool<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"example-1-mirror-2-disk\"><strong>Example 1: Mirror (2-disk)<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># Force ashift=12 for 4K-sector drives\nsudo zpool create -o ashift=12 tank mirror \\\n  \/dev\/disk\/by-id\/ata-DISK_A_SERIAL \\\n  \/dev\/disk\/by-id\/ata-DISK_B_SERIAL\n\n# Verify\nzpool status tank\nzfs list\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"example-2-raidz2-4-8-disks-recommended\"><strong>Example 2: RAIDZ2 (4\u20138 disks recommended)<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo zpool create -o ashift=12 tank raidz2 \\\n  \/dev\/disk\/by-id\/ata-DISK1 \/dev\/disk\/by-id\/ata-DISK2 \\\n  \/dev\/disk\/by-id\/ata-DISK3 \/dev\/disk\/by-id\/ata-DISK4\n\nzpool status tank\n<\/code><\/pre>\n\n\n\n<p>Set a default mountpoint or use legacy mounting (fstab). By default, ZFS mounts at \/tank for a pool named tank.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"create-datasets-and-set-properties\"><strong>Create Datasets and Set Properties<\/strong><\/h2>\n\n\n\n<p>Datasets are lightweight filesystems with independent settings. Enable compression, disable atime for performance, and tune recordsize to your workload.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Create datasets\nsudo zfs create tank\/data\nsudo zfs create tank\/backups\n\n# Baseline recommendations\nsudo zfs set compression=lz4 tank\nsudo zfs set atime=off tank\n\n# Workload tuning examples:\n# VM images or databases (8K\u201316K); media\/archive (1M)\nsudo zfs set recordsize=16K tank\/vmstore\nsudo zfs set recordsize=1M tank\/media\n\n# Quotas and reservations\nsudo zfs set quota=2T tank\/backups\nsudo zfs set reservation=200G tank\/vmstore\n<\/code><\/pre>\n\n\n\n<p>Avoid dedup unless you fully understand the RAM impact. Compression=lz4 is safe and usually increases performance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"snapshots-clones-and-backups\"><strong>Snapshots, Clones, and Backups<\/strong><\/h2>\n\n\n\n<p>Snapshots are space-efficient restore points. Clones are writable copies derived from snapshots. Use zfs send|receive for backups and replication.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Create and list snapshots\nsudo zfs snapshot tank\/data@pre-change\nsudo zfs list -t snapshot\n\n# Roll back\nsudo zfs rollback tank\/data@pre-change\n\n# Clone (creates tank\/clone from a snapshot)\nsudo zfs clone tank\/data@pre-change tank\/clone\n\n# Full send to another pool or host\nsudo zfs send tank\/data@pre-change | ssh backuphost sudo zfs receive backup\/data\n\n# Incremental send (from s1 to s2)\nsudo zfs send -I tank\/data@s1 tank\/data@s2 | ssh backuphost sudo zfs receive -F backup\/data\n<\/code><\/pre>\n\n\n\n<p>Automate snapshots with cron or systemd timers (e.g., hourly for 24 hours, daily for 7 days, weekly for 4 weeks). Prune older snapshots to control space.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"health-checks-scrubs-and-drive-replacement\"><strong>Health Checks, Scrubs, and Drive Replacement<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Check status: <\/strong>zpool status -x (only reports problems)<\/li>\n\n\n\n<li><strong>Run monthly scrubs: <\/strong>zpool scrub tank<\/li>\n\n\n\n<li>View errors and throughput: zpool iostat -v<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code># Replace a failed disk\nzpool status tank\n# Identify the FAULTED device, then:\nsudo zpool replace tank &lt;OLD-DISK-BY-ID&gt; &lt;NEW-DISK-BY-ID&gt;\n\n# Expand pool after larger-disk replacement completes resilver\nsudo zpool online -e tank &lt;NEW-DISK-BY-ID&gt;\n\n# Export\/import a pool (move to another server)\nsudo zpool export tank\nsudo zpool import -d \/dev\/disk\/by-id tank\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"performance-tuning-and-caching\"><strong>Performance Tuning and Caching<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ARC (RAM): <\/strong>More memory equals faster reads. Default ARC auto-sizes; pin a max if needed.<\/li>\n\n\n\n<li><strong>L2ARC (SSD read cache):<\/strong> Add fast SSDs for large working sets.<\/li>\n\n\n\n<li><strong>SLOG (separate log): <\/strong>Only for sync-heavy writes (databases, NFS, VM hosts). Use power-loss-protected NVMe.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code># Add L2ARC and SLOG devices\nsudo zpool add tank cache \/dev\/disk\/by-id\/nvme-L2ARC1\nsudo zpool add tank log   \/dev\/disk\/by-id\/nvme-PLP_SLOG\n\n# Optional: cap ARC size (example 16 GiB)\necho $((16 * 1024 * 1024 * 1024)) | sudo tee \/sys\/module\/zfs\/parameters\/zfs_arc_max\n<\/code><\/pre>\n\n\n\n<p>Do not enable dedup unless you\u2019ve tested benefits; it is RAM-intensive. For Docker\/VM images, use smaller recordsize and consider sync=disabled only when you fully accept data-loss risks on power failure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"security-and-native-encryption\"><strong>Security and Native Encryption<\/strong><\/h2>\n\n\n\n<p>OpenZFS supports per-dataset encryption with passphrases or key files. You can replicate encrypted datasets without exposing plaintext on the wire.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Create an encrypted dataset\nsudo zfs create -o encryption=on -o keyformat=passphrase tank\/secure\n\n# Load key and mount on boot via key location (example file)\nsudo zfs set keyformat=passphrase tank\/secure\nsudo zfs load-key tank\/secure\nsudo zfs mount tank\/secure\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"zfs-with-containers-and-vms\"><strong>ZFS With Containers and VMs<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>LXC\/Proxmox: <\/strong>Create datasets per VM for snapshots and quotas.<\/li>\n\n\n\n<li><strong>Docker:<\/strong> Store volumes on a dataset with compression=lz4 and atime=off.<\/li>\n\n\n\n<li><strong>Databases: <\/strong>recordsize=8K\u201316K, logbias=throughput, consider SLOG for sync writes.<\/li>\n\n\n\n<li><strong>VM images: <\/strong>recordsize=16K\u2013128K depending on workload; test with fio.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"common-mistakes-to-avoid\"><strong>Common Mistakes to Avoid<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Using hardware RAID:<\/strong> ZFS needs raw disks to manage redundancy and detect errors.<\/li>\n\n\n\n<li><strong>Mixing drive sizes\/SMR drives:<\/strong> Leads to unpredictable performance and resilver times.<\/li>\n\n\n\n<li><strong>Skipping ashift=12: <\/strong>Misaligned writes hurt performance on 4K-sector drives.<\/li>\n\n\n\n<li><strong>Enabling dedup casually: <\/strong>High memory footprint; test first.<\/li>\n\n\n\n<li><strong>No scrubs or monitoring: <\/strong>Schedule scrubs and alert on zpool status changes.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"backup-and-disaster-recovery-strategy\"><strong>Backup and Disaster Recovery Strategy<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Local snapshots for quick rollbacks (minutes to days of retention)<\/li>\n\n\n\n<li>Offsite zfs send|receive to a remote server for DR<\/li>\n\n\n\n<li>Periodic full plus incremental streams<\/li>\n\n\n\n<li>Test restores regularly; document recovery steps<\/li>\n<\/ul>\n\n\n\n<p>For business workloads, pair ZFS with immutable offsite copies. Consider object storage exports for long-term retention.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"youstable-tip-run-zfs-on-the-right-server\"><strong>YouStable Tip: Run ZFS on the Right Server<\/strong><\/h2>\n\n\n\n<p>Deploying ZFS on a reliable VPS or <a href=\"https:\/\/www.youstable.com\/blog\/secure-dedicated-server\/\">dedicated server<\/a> makes all the difference. YouStable\u2019s Linux servers offer fast NVMe options ideal for L2ARC\/SLOG, predictable CPU\/RAM, and private networking for secure replication. Need help sizing your pool or tuning ARC? Our experts can guide your build without vendor lock-in.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"troubleshooting-quick-reference\"><strong>Troubleshooting Quick Reference<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pool won\u2019t import: <\/strong>zpool import; if needed, zpool import -f; check dmesg for disk issues.<\/li>\n\n\n\n<li><strong>After kernel update, ZFS missing: <\/strong>rebuild DKMS, verify zfs module loads, or boot previous kernel.<\/li>\n\n\n\n<li><strong>Slow writes:<\/strong> check sync workload, consider SLOG with PLP NVMe; verify no SMR disks.<\/li>\n\n\n\n<li><strong>High memory use: <\/strong>ARC grows by design; cap zfs_arc_max prudently.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"faqs\"><strong>FAQs<\/strong><\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1765796251512\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"is-zfs-stable-on-linux-for-production\"><strong>Is ZFS stable on Linux for production?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes. OpenZFS is production-grade and widely used by <a href=\"https:\/\/www.youstable.com\/blog\/best-web-hosting-provider-in-india\/\">hosting providers<\/a> and enterprises. Use stable distributions, keep ZFS and kernel in sync, and follow best practices (HBAs, ECC, scrubs).<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765796266725\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"how-much-ram-do-i-need-for-zfs\"><strong>How much RAM do I need for ZFS?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Start with 8 GB minimum; 16\u201364 GB is common in production. More RAM improves ARC caching. The old \u201c1 GB per 1 TB\u201d rule is outdated\u2014size for your working set, not raw capacity.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765796281460\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"should-i-use-raidz1-or-raidz2\"><strong>Should I use RAIDZ1 or RAIDZ2?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>For large disks (8 TB+), use RAIDZ2 to tolerate two failures and reduce unrecoverable read error risk during resilver. Mirrors offer the best performance and fastest rebuilds if capacity is sufficient.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765796292086\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"do-i-need-ecc-ram-for-zfs\"><strong>Do I need ECC RAM for ZFS?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>ECC is recommended to protect against memory corruption, especially for critical data. ZFS works without ECC, but ECC complements ZFS\u2019s end-to-end integrity design.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765796318510\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"can-i-expand-a-zfs-pool-later\"><strong>Can I expand a ZFS pool later?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes. You can add new vdevs (e.g., another mirror or RAIDZ) to grow a pool. Replacing all drives in a vdev with larger ones also expands capacity. Mixing vdev types isn\u2019t recommended for consistent performance.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>To use ZFS on a Linux server, install OpenZFS, create a storage pool from raw disks, add datasets with compression [&hellip;]<\/p>\n","protected":false},"author":21,"featured_media":15542,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[350],"tags":[],"class_list":["post-13255","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledgebase"],"acf":[],"featured_image_src":"https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/How-to-Use-ZFS-on-Linux-Server-for-Reliable-Storage.jpg","author_info":{"display_name":"Sanjeet Chauhan","author_link":"https:\/\/www.youstable.com\/blog\/author\/sanjeet"},"_links":{"self":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts\/13255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/comments?post=13255"}],"version-history":[{"count":6,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts\/13255\/revisions"}],"predecessor-version":[{"id":15544,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts\/13255\/revisions\/15544"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/media\/15542"}],"wp:attachment":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/media?parent=13255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/categories?post=13255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/tags?post=13255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}