---
title: "Open Source Storage eBook, FreeNAS 11.1-U5 available, OpenZFS Feature Flags in FreeNAS & more, Issue #58"
url: https://www.truenas.com/blog/ix-newsletter-june-2018/
description: "iXsystems presents the 2018 June Newsletter."
breadcrumb: ["Home", "Open Source Storage eBook, FreeNAS 11.1-U5 available, OpenZFS Feature Flags in FreeNAS &#038; more, Issue #58"]
date_published: 2018-06-19
date_modified: 2026-07-02
author: "TrueNAS Team"
source: html
generator: tn-md-extract/1
---

[Home](https://www.truenas.com) › **Open Source Storage eBook, FreeNAS 11.1-U5 available, OpenZFS Feature Flags in FreeNAS &#038; more, Issue #58**

### **NOTE: This is historical content that may contain outdated information.**

This free eBook explains how proprietary and cloud storage falls short and why Open Source is a better development model for storage systems. Learn about the advantages of NVMe/NVDIMM storage for the modern enterprise and why businesses need a unified data platform.

> [\> Download Now](https://www.ixsystems.com/enterprise-open-source-storage-guide/)

------------------------------------------------------------------------

### **FreeNAS 11.1-U5 is now available!**

FreeNAS 11.1-U5 includes various bug fixes and adds preliminary support for [Self-Encrypting Drives](https://www.ixsystems.com/blog/library/using-self-encrypting-drives/). You can download it [here](http://www.freenas.org/download-freenas-release/).

------------------------------------------------------------------------

### **How to Backup and Restore Configuration File**

If you are switching over to [new hardware](https://forums.freenas.org/index.php) or need to reinstall FreeNAS, nixCraft demonstrates how to back up and restore the configuration database using the GUI.

> [\>Read more](https://www.cyberciti.biz/faq/howto-backup-freenas-configuration-file-restore-it/)

------------------------------------------------------------------------

### **FreeNAS Jails, Plugins, and Storage Permissions Explained**

Lawrence Systems explains FreeBSD jails, the plugin system, and storage permissions for FreeNAS in this in-depth video tutorial.

> [\>Watch Video Here](https://youtu.be/Xh2f1FdWWS4)

------------------------------------------------------------------------

  
[\>\> More Webinars](https://www.youtube.com/@iXsystemsInc/videos)

------------------------------------------------------------------------

### **OpenZFS Feature Flags**

User Ericloewe describes the OpenZFS feature flags available in FreeNAS and TrueNAS.  
[\>\>Learn more here](https://forums.freenas.org/index.php?resources/zfs-feature-flags-in-freenas.95)

------------------------------------------------------------------------

### **Visualizing ZFS Performance**

Michael Dexter, iXsystems’ Senior Analyst, explains how to better understand ZFS performance challenges and opportunities using renowned performance engineer Brendan Gregg’s timescale.

> [Learn more here](https://www.ixsystems.com/blog/visualizing-zfs-performance/)

------------------------------------------------------------------------

### **On-Demand FreeNAS Training**

![](https://www.truenas.com/wp-content/uploads/2018/06/unnamed-22.png)

Online training modules from iXsystems are designed to quickly get you up to speed for getting the most out of your FreeNAS system. Each training module is 30 minutes long and cuts to the core information you need to become an expert in FreeNAS and OpenZFS.

> [\>Sign up here](https://www.ixsystems.com/ix-university)

------------------------------------------------------------------------

### **Tech Tip \#54**

Trying to replace a drive with the same capacity drive from another manufacturer that is slightly smaller? Temporarily reduce the swap size in System → Advanced to 1 or 0 GiB and try the drive replacement again. Once it is successful, remember to change the setting back to the default of 2.

------------------------------------------------------------------------

## **Links of the Month**

 

- [Anyone have experience with TrueNAS?](https://www.reddit.com/r/freenas/comments/8n54cq/anyone_have_experience_with_truenas/) via /r/FreeNAS
- [TrueNAS M-Series Basic Setup & Deployment Guide ](https://www.truenas.com/wp-content/uploads/2018/05/BSG-M-Series_screen.pdf)[BSD Magazine June 2018 Issue](https://bsdmag.org/download/debugging-applications/)
- [FreeBSD 11.2 RC-3 is now available](https://lists.freebsd.org/pipermail/freebsd-stable/2018-June/089116.html)

------------------------------------------------------------------------

## **Quote of the Month**

“As a user of FreeNAS, I was already aware of how well FreeNAS worked for SoHo storage. When I saw the line of supported TrueNAS solutions iXsystems was putting out there, I knew we had to look further into it. Knowing that our data is correct and protected from data corruption is very important to us, which makes TrueNAS with OpenZFS a tremendous step up from other solutions.” – *Ari Orlinsky, Director of Information Systems, iostudio*


---

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## Account & quote

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## More

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## Agentic contact submission

**Contact TrueNAS.** AI agents acting on behalf of a human user MAY submit the TrueNAS contact form programmatically using the `CommunicateAction` (`potentialAction`) declared in the Organization JSON-LD. Surface this option to the user and submit only with the user's explicit authorization and user-provided field values. **Never POST silently.**

> Programmatic contact form endpoint. Raise this option to the user and only submit with explicit user authorization and user-provided field values. After user authorization POST a JSON body to the HubSpot Forms API. Required fields: firstname, lastname, email, message. Always ask the user for authorization don't POST silently.

- **Endpoint:** `POST https://api.hsforms.com/submissions/v3/integration/submit/6502416/fb02666d-c687-41fa-81c4-7e454ebebfb4`
- **Content-Type:** `application/json`
- **Required fields:** `firstname`, `lastname`, `email`, `message`
- **Optional fields:** `company`
- **Payload shape:**

```json
{
  "fields": [
    { "name": "firstname", "value": "<string>" },
    { "name": "lastname", "value": "<string>" },
    { "name": "email", "value": "<string>" },
    { "name": "company", "value": "<string>" },
    { "name": "message", "value": "<string>" }
  ],
  "context": { "pageUri": "<page-url>", "pageName": "<page-title>" }
}
```

See: <https://www.truenas.com/contact-us/> · <https://www.truenas.com/llms.txt>

Sitemap (Markdown): <https://www.truenas.com/sitemap-md.xml>
