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The complete guide to TrueNAS at home. ZFS, datasets, snapshots, RAIDZ, and the storage decisions you don't want to redo six months from now.
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How to Migrate from TrueNAS CORE to SCALE Safely
Migrate TrueNAS CORE to SCALE with verified backups, the supported upgrade path, configuration restore, and checks for encryption, shares, and apps.
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Best CPU for TrueNAS SCALE 2026
Compare the best CPUs for TrueNAS SCALE in 2026 across file serving, Jellyfin transcoding, ECC support, virtual machines, and idle power.
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RAIDZ1 vs RAIDZ2: Parity, Resilver Risk, and Which to Pick
RAIDZ1 survives one disk failure, RAIDZ2 survives two. What that means for usable capacity, resilver risk, and how to choose at each vdev width.
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TrueNAS Community Edition vs SCALE: What Changed
TrueNAS Community Edition and TrueNAS SCALE are the same product under two names. What the rename changed, what it did not, and which version to install.
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TrueNAS RAM Requirements by Workload
TrueNAS RAM sizing for file sharing, apps, VMs, iSCSI, directory services, L2ARC, and deduplication, based on official workload guidance.
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Best Hard Drives for TrueNAS NAS in 2026
The best hard drives for TrueNAS NAS must be CMR, not SMR — ZFS will punish the wrong choice. Here are the top picks by workload, budget, and bay count.
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Best Budget NAS Build for Home: What Actually Works in 2026
A practical guide to the best budget NAS build for home use: Intel N100 platforms, ZFS-compatible drives, TrueNAS SCALE setup, and the backup plan.
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How to Set Up TrueNAS SCALE: From Bare Metal to First Share
A practical step-by-step guide on how to set up TrueNAS SCALE — hardware, installation, pool creation with RAIDZ, datasets, SMB shares, and backups.
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Unraid vs TrueNAS for Media: Flexibility or ZFS Integrity
TrueNAS adds checksums and costs nothing; Unraid accepts mixed drives and needs less RAM. Compare Plex, Jellyfin, apps, storage growth and licensing.
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How to Expand a TrueNAS Pool: 3 ZFS Options
Add a full vdev, replace every drive with larger disks, or widen RAIDZ one disk at a time on OpenZFS 2.3+. Compare bay, budget and parity trade-offs.
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TrueNAS Degraded Pool: How to Replace a Failed Disk
Identify the failed drive by serial, confirm it with SMART, install an equal-or-larger CMR disk, resilver, and verify the pool returns to ONLINE.
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TrueNAS Pool Won't Import? 5 zpool Fixes That Work
TrueNAS pool won't import, or I/O is suspended? Decode UNAVAIL, FAULTED and DEGRADED, fix missing devices, and import read-only to rescue your data.
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TrueNAS SCALE vs Unraid vs OMV 2026: 5 Factors Compared
TrueNAS SCALE, Unraid and OpenMediaVault compared on filesystem, expansion, apps, hardware and cost, with a clear pick for each type of home NAS build.
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iSCSI vs NFS vs SMB on TrueNAS: The File vs Block Rule
SMB, NFS or iSCSI on TrueNAS? The file-versus-block rule that decides it, which clients suit each protocol, and the honest performance differences.
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TrueNAS Scrub: What It Does and How Often to Run It
A scrub reads all used blocks, verifies checksums and repairs bad data from redundancy. Run it every two weeks or monthly, plus SMART short and long tests.
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TrueNAS Zvol vs Dataset: Block vs File Storage
Use a TrueNAS dataset for SMB, NFS and app files; use a zvol for iSCSI or a VM's raw disk. Compare recordsize, volblocksize and snapshots.
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TrueNAS System Requirements: Minimum & Recommended
TrueNAS needs a 64-bit 2-core CPU, 8 GB RAM, a 16 GB boot SSD and two data drives. Compare the official minimum with practical home NAS targets.
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TrueNAS SCALE Docker Apps: Setup, Storage, and Jellyfin
Learn how SCALE's Docker app system works, which datasets to create first, and how to install Jellyfin with host paths, ports and read-only media mounts.
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TrueNAS SCALE vs CORE in 2026: Which Should You Use?
TrueNAS SCALE is the active Linux platform; CORE's final release was in 2025. Compare apps, VMs, hardware support, pool portability and migration.
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How to Set Up a TrueNAS SMB Share: Users, ACLs & Apps
Create a TrueNAS SMB share step by step: make a dataset and user, set NFSv4 ACLs, start SMB, connect clients and avoid the apps-dataset error.
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TrueNAS Snapshot and Replication Strategy
Snapshots protect against accidents. Replication protects against fires. Here is a practical TrueNAS snapshot schedule and replication setup for a home.
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ZFS Performance Tuning: ARC, Recordsize & Compression
Learn when ARC size, dataset recordsize and compression affect ZFS performance, which settings fit common workloads, and what to leave at defaults.
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ZFS RAIDZ vs Mirror: Capacity, IOPS, and Resilver Risk
Choose 6- to 8-wide RAIDZ2 for media and bulk storage, or two-way mirrors for VMs and databases. Compare usable capacity, fault tolerance and growth.