TrueNAS 27 is Here!
TL;DR: The release previously tested as TrueNAS 26 is now TrueNAS 27, starting with RC.1 in October 2026, because most users will run it during 2027 and the community asked for version numbers that match the year a release is deployed. The schedule is unchanged, and...
TrueNAS 27 RC.1: The Feature Set
TL;DR TrueNAS 27 is the next major release of TrueNAS, built on OpenZFS 2.4 and Linux kernel 6.18. It was previously numbered TrueNAS 26. RC.1 is the first release candidate, and TrueNAS 27.0 is scheduled for early December 2026. Highlights: TrueSearch and WebShare:...
Is Your ZFS NAS Actually Running OpenZFS?
How a few bytes of difference means your data might be locked to hardware or a vendor you can't easily replace. You chose a ZFS-based NAS for the right reasons. ZFS has a decades-long track record of data integrity, mature tooling, and a thriving open-source community...
The OME-Zarr S3 Trap: Why Native NFS Ingest is Faster
The S3FS Translation Tax If you’re setting up OME-Zarr for high-throughput microscopy, you probably assume you need to use S3 for the entire pipeline. That’s a mistake that will bottleneck your local ingest. OME-Zarr is an encapsulation format and programming library...
Is Moving Enterprise Data Back On-Premise the Right Move?
If your cloud storage bill doesn't match what it used to, and you're already evaluating what it takes to move your data back on-premise, you're part of a measurable industry shift, not trying out an isolated experiment. Enterprises have already repatriated over 20% of...
TrueNAS Is First on the New Veeam Ready All-In-One Virtual Appliance List
TrueNAS is the first storage platform certified under the newest Veeam Ready Appliance category: All-In-One (virtualized). It's built for servers that run the Veeam Software Appliance (VSA) directly, instead of just sitting behind it as a repository target. As of...
What to look for when choosing an Enterprise Storage Appliance
If a hardware refresh is coming up, ransomware got uncomfortably close, or an AI project just found out your storage wasn't built for it, you already know why you're here. Every vendor you talk to will lean on reassuring words like "unified" and "enterprise-ready."...
TrueNAS Proxmox Plugin: Open Storage for your Open Hypervisor
You click the button. TrueNAS builds the disks. Proxmox VE has become one of the default landing spots for teams leaving VMware, and TrueNAS is already a common storage layer underneath those clusters. Most of those deployments run today on NFS or hand-cut iSCSI LUNs,...
TLC vs. QLC Flash Storage: How OpenZFS Optimizes all the Options
TLC (Triple-Level Cell) and QLC (Quad-Level Cell) are the two NAND flash types behind most enterprise SSDs today. TLC stores 3 bits per cell, QLC stores 4. The extra bit gives QLC roughly a third more density per wafer, and typically twice the density per SSD, at the...
The ZFS 80% Rule: Why It Exists, and When You Can Bend It
Run a TrueNAS pool long enough, and someone will warn you: stay under 80% full. The "80% rule" for capacity is like a ghost story of ZFS storage administration. Everyone has heard of it, but ask a room of admins why it exists, and the answers get vague fast. It gets...