--- title: "#zfs articles | Hashnode" description: "Explore 15 articles tagged #zfs on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/zfs" --- Tag # #zfs 15 posts · 1 followers [Charles Hartmann](https://hashnode.com/@charleshartmann) · [Oct 15](https://hashnode.com/posts/raid-is-not-a-backup-the-3-2-1-rule-honestly/6ad064751cc59d8b2b1d30dc) ### [RAID is not a backup: the 3-2-1 rule, honestly](https://homelabtherightway.hashnode.dev/raid-is-not-a-backup-the-3-2-1-rule-honestly?utm_source=hashnode&utm_medium=feed) What actually counts as a copy under the 3-2-1 rule, why a RAID mirror or a snapshot only protects against one kind of failure, and the one-page inven 5 min read · [homelabtherightway.hashnode.dev](https://homelabtherightway.hashnode.dev/raid-is-not-a-backup-the-3-2-1-rule-honestly?utm_source=hashnode&utm_medium=feed) [JJozzieTech](https://hashnode.com/@jjozzietech) · [Sep 24](https://hashnode.com/posts/truenas-migration-five-storage-layers/6ab57f7bf9b3c53c415b8f44) ### [Five layers, one migration — what a fabric cutover exposed about storage](https://jjozzietech.hashnode.dev/truenas-migration-five-storage-layers?utm_source=hashnode&utm_medium=feed) A healthy signal at one layer of the storage stack doesn't imply a healthy signal at the next. Five layers, five failures, five validation steps. 16 min read · [jjozzietech.hashnode.dev](https://jjozzietech.hashnode.dev/truenas-migration-five-storage-layers?utm_source=hashnode&utm_medium=feed) [JJozzieTech](https://hashnode.com/@jjozzietech) · [Aug 13](https://hashnode.com/posts/zfs-missing-vdev-recovery/6a7e27de21c0f66fbbcb83f8) ### [Recovering a ZFS pool with a missing RAIDZ1 vdev — without wiping a single disk](https://jjozzietech.hashnode.dev/zfs-missing-vdev-recovery?utm_source=hashnode&utm_medium=feed) Same outage, same box, a harder failure. A whole RAIDZ1 vdev showed unavailable. The GUI said wipe or reassign. Reading the ZFS labels said otherwise. 12 min read · [jjozzietech.hashnode.dev](https://jjozzietech.hashnode.dev/zfs-missing-vdev-recovery?utm_source=hashnode&utm_medium=feed) [JJozzieTech](https://hashnode.com/@jjozzietech) · [Jul 23](https://hashnode.com/posts/truenas-core-scale-side-by-side/6a626d0315ff1e44a973c2a5) ### [Two TrueNAS servers, one rack — the CORE-and-SCALE split I never designed](https://jjozzietech.hashnode.dev/truenas-core-scale-side-by-side?utm_source=hashnode&utm_medium=feed) Two TrueNAS servers, one rack. Not a design decision — a decade of workload pivots. On when consolidation makes sense, and when it doesn't. 9 min read · [jjozzietech.hashnode.dev](https://jjozzietech.hashnode.dev/truenas-core-scale-side-by-side?utm_source=hashnode&utm_medium=feed) [JJozzieTech](https://hashnode.com/@jjozzietech) · [Jul 9](https://hashnode.com/posts/how-i-got-a-suspended-truenas-pool-back-online-without-replacing-a-single-disk/6a4f06503e999a588a84af93) ### [How I got a suspended TrueNAS pool back online without replacing a single disk](https://jjozzietech.hashnode.dev/how-i-got-a-suspended-truenas-pool-back-online-without-replacing-a-single-disk?utm_source=hashnode&utm_medium=feed) An 11-disk RAIDZ1 vdev showed multiple faulted drives and one member removed after a rack outage. Two commands got the pool back — no disk swaps. 9 min read · [jjozzietech.hashnode.dev](https://jjozzietech.hashnode.dev/how-i-got-a-suspended-truenas-pool-back-online-without-replacing-a-single-disk?utm_source=hashnode&utm_medium=feed) [Michael Miroshnichenko](https://hashnode.com/@raidrecovery) · [Jul 1](https://hashnode.com/posts/data-recovery-in-zfs-datasets-zvols-snapshots-and-virtual-disks/6a44a859f9784432f937888f) ### [Data Recovery in ZFS: Datasets, ZVOLs, Snapshots, and Virtual Disks](https://hetman-software.hashnode.dev/data-recovery-in-zfs-datasets-zvols-snapshots-and-virtual-disks?utm_source=hashnode&utm_medium=feed) A practical guide to recovering files, ZVOLs, snapshots, and virtual machine disks from damaged or inaccessible ZFS storage 9 min read · [hetman-software.hashnode.dev](https://hetman-software.hashnode.dev/data-recovery-in-zfs-datasets-zvols-snapshots-and-virtual-disks?utm_source=hashnode&utm_medium=feed) [Alok Chatterji](https://hashnode.com/@alokchatterji) · [Dec 1, 2025](https://hashnode.com/posts/building-a-resilient-homelab-storage-solution-with-truenas/692ce856ebf02e971b65b6fd) ### [Building a Resilient Homelab Storage Solution with TrueNAS](https://read.darkshield.co.in/building-a-resilient-homelab-storage-solution-with-truenas?utm_source=hashnode&utm_medium=feed) Discover how to build a resilient, budget-friendly homelab storage solution with TrueNAS and Proxmox for secure data and efficient backups 7 min read · [read.darkshield.co.in](https://read.darkshield.co.in/building-a-resilient-homelab-storage-solution-with-truenas?utm_source=hashnode&utm_medium=feed) [tripleo](https://hashnode.com/@tripleo) · [Oct 25, 2025](https://hashnode.com/posts/why-open-source-things-pt-2/68fc3f19e57639fd0d42bbd5) ### [Why open source things (pt 2)?](https://tripleo-open-source.hashnode.dev/why-open-source-things-pt-2?utm_source=hashnode&utm_medium=feed) Why Linux? Because it's free. And also because it's better than all the other free stuff. Because hippies like it. Because the other stuff doesn’t work yet. Definition of hippie: the kind that like tech but are not your bros Definition of other stuff... 1 min read · [tripleo-open-source.hashnode.dev](https://tripleo-open-source.hashnode.dev/why-open-source-things-pt-2?utm_source=hashnode&utm_medium=feed) [Joba](https://hashnode.com/@jobayeh) · [Sep 20, 2025](https://hashnode.com/posts/proxmox-908-ceph/68ced5c342cd7fd74438b09f) ### [Proxmox 9.0.8 儲存類型與 Ceph 機制筆記](https://shyit.hashnode.dev/proxmox-908-ceph?utm_source=hashnode&utm_medium=feed) 這篇文章完整介紹 Proxmox 支援的各種儲存後端，包括 ZFS、Ceph、LVM、iSCSI 等，並深入比較 Ceph 與 HDFS、RAID5 架構的差異，以及 Ceph 如何在 Proxmox 中實現類似 vMotion 的高可用性功能，適合 IT 工程師與自建實驗室研究者閱讀。 2 min read · [shyit.hashnode.dev](https://shyit.hashnode.dev/proxmox-908-ceph?utm_source=hashnode&utm_medium=feed) [Joba](https://hashnode.com/@jobayeh) · [Sep 20, 2025](https://hashnode.com/posts/notes-on-proxmox-908-storage-types-and-ceph-mechanism/68ced88b9748aea1d971cc24) ### [Notes on Proxmox 9.0.8 Storage Types and Ceph Mechanism](https://shyit.hashnode.dev/notes-on-proxmox-908-storage-types-and-ceph-mechanism?utm_source=hashnode&utm_medium=feed) This article provides a comprehensive overview of all storage backends supported by Proxmox, including ZFS, Ceph, LVM, iSCSI, and more. It dives into the di 4 min read · [shyit.hashnode.dev](https://shyit.hashnode.dev/notes-on-proxmox-908-storage-types-and-ceph-mechanism?utm_source=hashnode&utm_medium=feed)