Adding disks isn’t always the answer anymore. With Fast Dedup in OpenZFS, duplicated data across VMs, backups, and containers can be collapsed—turning existing storage into significantly more usable capacity. Read the full article: na3.hubs.ly/y0rWB00

Starting in 1 hour ⏰ Fast Dedup is making ZFS dedup practical again. Join us to see how it works with compression, snapshots, and cloning—and where it delivers real value. 📅 Today Join now: na3.hubs.ly/y0rVb-0

What made an all-NVMe CI/CD pipeline possible for a AAA studio? OpenZFS dedupe. ▶️ For more with TrueNAS and Fast Dedup, sign up for our upcoming webinar na3.hubs.ly/y0rx1B0

We're one week out from our upcoming webinar! Fast Dedup is making ZFS dedup practical again. Learn how it fits with compression, snapshots, and cloning—and where it delivers real value. 📅 April 29 Save your spot: na3.hubs.ly/y0r2350 #OpenZFS #Klarasystems #TrueNAS

ZFS performance issues don’t always require new hardware. Often, it comes down to configuration. Recordsize, compression, topology, and prefetch all play a role—and defaults aren’t always optimal. A few changes can unlock real gains ↓ na3.hubs.ly/y0rwjZ0

What made an all-NVMe CI/CD pipeline possible for AAA studio? OpenZFS dedupe. ▶️ For more with TrueNAS and Fast Dedup, sign up for our webinar next week na3.hubs.ly/y0r2350

Added 𝗨𝗣𝗗𝗔𝗧𝗘 𝟭 - 𝗔𝗱𝗱𝗶𝘁𝗶𝗼𝗻𝗮𝗹 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝗮𝗻𝗱 𝗖𝗹𝗮𝗿𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 [UPDATE 1 - Additional Features and Clarification] to the 𝗙𝗿𝗲𝗲𝗕𝗦𝗗 𝗜𝗺𝗮𝗴𝗲 𝗕𝘂𝗶𝗹𝗱𝗲𝗿/𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗲𝗿 𝘃𝗲𝗿𝗶𝗺𝗴(𝟴) 𝗧𝗼𝗼𝗹 article. vermaden.wordpress.com/2026/04/15/f... #verblog #freebsd #verimg

Fastmail runs a globally active email platform with tens of millions of small files on NVMe-backed OpenZFS. When unexpected CPU and memory behavior appeared under real production load, they turned to Klara for help! 👉 Read the full case study: bit.ly/4pSpvCo

OpenZFS lets you replicate data beyond your environment while keeping encryption keys under your control. Use third-party storage without exposing your data. ▶️ Full webinar on demand na3.hubs.ly/y0pGVM0

ZFS dedup used to mean high overhead. Fast Dedup is changing that. See how it works with compression, snapshots, and cloning—and which workloads benefit most. 📅 April 29 | 8 AM PDT, 11 AM EDT Register: na3.hubs.ly/y0r1Ts0

Have you been wondering about ZFS AnyRAID? Allan Jude will be giving a talk about Flexible Disk Layout @ BSDCan If you register before May 1, the closing reception is free! Register at www.bsdcan.org/2026/registr... #bsdcan #conference #bsd #unix #development #freebsd #netbsd #openbsd #sysadmin

The BSDCan 2026 Schedule has been posted. 30 regular talks, one set of lightning talks, and one Audio BoF. Both FreeBSD and NetBSD will be holding two day Dev Summits across the hall from each other in DMS. Schedule: www.bsdcan.org/2026/schedul... Registration: www.bsdcan.org/2026/registr...

L2ARC won’t replace RAM—but it can recover performance when memory is tight. The catch: every cached block still consumes ARC memory. Sizing and tuning matter. A deep dive into using L2ARC effectively on OpenZFS ↓ na3.hubs.ly/y0r5zs0

If you can’t exit your infrastructure, you don’t control it. Entersekt has run FreeBSD + OpenZFS in production for 15+ years—no backup platform, no lock-in, full control. 3–4× compression. Snapshot-based rollback. Sovereign by design. Check out the case study: na3.hubs.ly/y0r1PT0

Don’t skip this one if you use Dedup. "zpool prefetch -t ddt tank" Without it, dedup starts cold after reboot. This warms the DDT into ARC so performance doesn’t lag. #OpenZFS #Klarasystems #dedup

Meet Chris Peredun from TrueNAS! Technical Marketing Engineer, TrueNAS Tech Talk T3 co-host, and ZFS expert with 20+ years in the field. Hear real-world insights from a TrueNAS insider. 📅 Save your spot: na3.hubs.ly/y0pG-B0

Limited RAM is bottlenecking your ZFS performance? L2ARC can extend your cache onto SSDs—but only if you size and tune it correctly. Learn when it helps, when it hurts, and how to use it effectively 👇 na3.hubs.ly/y0qjch0#ZFSS #klarasystems

Love our OpenZFS content? 🖥️ From deep dives to real-world storage insights, Klara’s newsletter keeps ZFS and FreeBSD practitioners up to date with expert perspectives and announcements. Sign up so you don’t miss a thing: klarasystems.com/articles/

ZFS 2.4 introduced zfs rewrite, a clean way to reapply dataset settings to existing data. Rewrite a file or directory in place, and ZFS treats it like the data was rewritten with itself. Have you guys enjoyed the zfs rewrite feature?

Zero RPO Across Two Data Centers. No Delay. No Gaps. We engineered a multisite Proxmox + ZFS architecture using synchronous mirroring, cross-server NVMe pools, and failover planning to achieve zero RPO — plus up to 68% performance gains. Check out the case study: na3.hubs.ly/y0m1mc0

One small ZFS change can save you thousands of dollars a month saved in cloud storage. Same setup. Just smarter compression. If you’re running workloads in the cloud, this is worth a look. ▶️ Watch the full webinar to learn how ZFS cuts costs and boosts efficiency. na3.hubs.ly/y0pG-q0

Most storage arrays are bought for 3 years—but run 5, 7, or longer. In the time span, there will be at least one full drive-generation shift. Short-term decisions create long-term lock-in. See how OpenZFS enables control by design. Read more: na3.hubs.ly/y0pG-d0

ZFS snapshots on Proxmox make VM backups instant, consistent, and space-efficient. A single command like `zfs snap pool/vmdata@backup` lets you capture a full system state you can roll back to in seconds. Efficiency, reliability, and simplicity—built right into ZFS. #ZFS #proxmox #Klarasystems

Pulling the wrong disk can be worse than the failure itself. Klara’s new guide shows how to manage FreeBSD + OpenZFS storage safely with SES mapping, persistent labeling, and proactive alerts. Read more: klarasystems.com/articles/man...

Technical independence starts with infrastructure. Open technologies like FreeBSD and OpenZFS give organizations transparency, control, and the ability to build storage systems without vendor lock-in. 🔗: na3.hubs.ly/y0ppZy0

For years, many admins were told to avoid enabling ZFS dedup. Fast Dedup changes that. In our upcoming webinar, Allan Jude from Klara Inc., and Chris Peredun, from TrueNAS, to explain how Fast Dedup works in modern ZFS environments. Register: na3.hubs.ly/y0pdGS0

Looking to spot storage bottlenecks in real time? `zpool iostat 1` gives you a live, second-by-second view of IOPS and bandwidth across your pools. One straightforward command. Real-time insight into ZFS performance.

43% faster random writes. 60%+ faster sequential reads. Zero RPO. A growing ISP partnered with Klara to design resilient Proxmox VE + OpenZFS across two data centers. See the pool layout + tuning strategy behind it. Read more: na3.hubs.ly/y0m1mc0

Most storage arrays are bought on a 3-year plan but run 5–7+. In that time: new drive generations, media failures, AI-driven growth. Five-year design with OpenZFS treats vdev layout + replication as lifecycle tools — not afterthoughts. 🔗https://na3.hubs.ly/y0nDHv0 #OpenSource #Klarasystems #OpenZFS

Hyperconverged infrastructure changes the storage trust boundary. That shift gives teams more control over how infrastructure is designed, but it also introduces architectural decisions that matter. Watch the full webinar: na3.hubs.ly/y0kbVM0

Enable fast, transparent compression with: zfs set compression=lz4 pool/fs lz4 reduces storage footprint with virtually no performance penalty — often improving throughput while saving space. One simple command. Immediate efficiency gains. #ZFS #OpenZFS #Klarasystems

What does hyperconverged storage actually mean? In modern VDI setups, combining storage and the hypervisor can reduce latency by keeping data local to the compute running the workloads. Watch the full session: klarasystems.com/webinars/mod... #ModernVDI #OpenZFS #Klarasystems

We're one week out! How do you maintain EU data sovereignty without locking into a vendor? Join Allan Jude and Eirik Øverby on March 18 to learn why Entersekt chose ZFS for sovereign storage in production. Save your spot: na3.hubs.ly/y0m-Gz0

Stop buying storage as a black box. Start designing it as an open, ZFS‑centric platform you can evolve. Open-source and OpenZFS give control, flexibility, and independence. Learn how to escape technology dependence. 🔗 na3.hubs.ly/y0n5Pf0

SaaS made infrastructure easy but vendor lock-in daunting. Open source restores control: source access, multi-vendor support, flexible upgrades, and safe migrations with ZFS snapshots and replication. Cloud isn’t the problem. Dependency is. Read more: klarasystems.com/articles/unl... #ZFS

Zero data loss. Higher performance. Two data centers. We engineered a multisite Proxmox + ZFS architecture using synchronous mirroring and cross-server NVMe pools to achieve true Zero RPO — with measurable performance gains. Here’s the case study: na3.hubs.ly/y0m1mc0

ZFS’s send/receive pipeline provides a production-grade mechanism for replicating datasets safely. By streaming a point-in-time snapshot (zfs send) directly into a target system (zfs receive), you get consistent data transfers with ZFS’s end-to-end integrity model, ensuring nothing is lost.

Eirik Øverby from Entersekt, is joining our upcoming webinar. With deep experience in secure payments, CISSP certification, and FreeBSD security talks at EuroBSDCon, he brings real-world insight into building resilient, compliant infrastructure. Don’t miss out! Register: na3.hubs.ly/y0m1m10

Vendor lock-in threatens control and flexibility in your storage. OpenZFS gives independence, predictable growth, and seamless migrations. Learn how OpenZFS can be the foundation for a resilient, vendor-independent storage infrastructure. Read more: na3.hubs.ly/y0m3BL0

Zero RPO Across Two Data Centers. No Delay. No Gaps. We engineered a multisite Proxmox + ZFS architecture using synchronous mirroring, cross-server NVMe pools, and failover planning to achieve zero RPO — plus up to 68% performance gains. Check out the case study: na3.hubs.ly/y0lYtf0

European organizations are under increasing pressure to maintain true data sovereignty. Join Allan Jude from Klara Inc and Eirik Øverby from Entersekt, as they explain why Entersekt chose ZFS for EU sovereign storage. Register here: na3.hubs.ly/y0k7Q00 #OpenSource #Datasovereignty #ZFS

Fast Dedup in OpenZFS 2.3 makes ZFS dedup viable for Proxmox VE 9.x — but only with proper pool design and memory budgeting. We cover architecture, DDT quotas, ARC sizing, workload selection, and operational controls. Read the full guide: na3.hubs.ly/y0l77K0

Need to scrub only data written during a specific window? Use zpool scrub -S <start> -E <end> to target blocks written between two timestamps. Scrub Smarter, Not longer. 😎

ZFS has long struggled with mixing different-sized drives in the same pool. HexOS partnered with Klara to develop ZFS AnyRaid, a new vdev type enabling mixed-drive layouts with up to 33% higher usable capacity—without compromising ZFS integrity. Read more → na3.hubs.ly/y0k7Bf0

EU data sovereignty without vendor lock-in? Join Allan Jude, Co-founder and Head of Solutions Architect, and Eirik Øverby, Chief Operations Officer, to discuss why Modirum chose ZFS for secure, sovereign storage. March 18, 11AM EDT RSVP → na3.hubs.ly/y0k7Q00

Thanks to everyone who joined our webinar on Modern VDI on Proxmox: ZFS Reliability and GPU Acceleration at Lower Cost! Allan Jude and Wendell Wilson shared real-world guidance on building reliable, GPU-accelerated VDI with Proxmox and ZFS. Watch the recording here → na3.hubs.ly/y0kbVM0

Running Proxmox on ZFS? ARC and L2ARC sizing matters more than most configs. Our latest article explains how ARC and L2ARC really work, what not to do, and how to size them properly for Proxmox workloads. 👉 Read the article: na3.hubs.ly/y0k7pZ0 #Proxmox #ZFS #OpenZFS

Building storage that scales without sacrificing reliability takes more than raw performance. Our latest OpenZFS whitepaper explores how teams use OpenZFS to design secure, high-performance infrastructure — with real-world examples and best practices you can apply today. 👉 lnkd.in/ekZYmEAx

Using zfs rewrite -P lets you rewrite data logically, applying updated properties or allocation behavior without re-replicating unchanged blocks. That means less I/O, and faster operations when rebalancing or updating datasets. #ZFS #OpenZFS #Storage #Infrastructure

Enterprise-grade storage doesn’t have to mean enterprise lock-in. This article breaks down how ZFS on Proxmox delivers snapshots, replication, and data integrity—without proprietary arrays or Ceph complexity. 👉 Read: klarasystems.com/articles/bui...