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OpenJBOD Tank

Tank is a piece of embedded software for the OpenJBOD RP2040 controller. The software allows the user to:

  • Remotely switch the JBOD power supply on or off
  • View the chassis environment status (Fan speeds, temperature, etc)
  • Configure an adjustable fan curve
  • Create new users for remote management
  • Configure custom hostnames and static network addresses

Tank supports both HTTP and HTTPS (albeit HTTPS is a bit slower, at the time of writing, but generally stable.)

The name Tank is a reference to Oracle/Sun documentation for ZFS naming example storage pools 'tank'.

Development Environment Setup

The Tank firmware is built on the Zephyr RTOS. The steps below describe how to create a local development environment on an Ubuntu/Debian host. Equivalent packages exist for other Linux distributions; Windows and macOS users can adapt the instructions using Zephyr's official host setup guide. This assumes you do not have any pre-requisites installed.

If you already have West installed and are familiar with Zephyr, you can adjust this to match your existing workflow.

1. Install Host Prerequisites

sudo apt update
sudo apt install --no-install-recommends \
build-essential cmake ninja-build gperf ccache dfu-util device-tree-compiler \
wget git python3-dev python3-tk xz-utils file make gcc \ 
gcc-multilib g++-multilib libsdl2-dev libmagic1

(If working on ARM64/AArch64, omit gcc-multilib and g++-multilib.)

2. Install West, West SDK, and clone Tank

# Create a Python venv
python3 -m venv venv
source venv/bin/activate
# Install West
pip install west
# Clone Tank and establish a Zephyr workspace
west init -m https://github.com/openjbod/tank --mr main tank-workspace
# Fetch dependencies and install the West SDKcd tank-workspace
west update
west packages pip --install
west sdk install -t arm-zephyr-eabi

3. Build Tank

west build -s tank -b rpi_pico

The resulting firmware image is produced in build/zephyr/zephyr.uf2. Drag-and-drop the UF2 onto a mounted RP2040 boot volume, flash it using picotool, or use any other preferred workflow.

4. (Optional) Clean and Rebuild

west build -t pristine
west build -s tank -b rpi_pico

About

Tank is a Zephyr/C-based firmware for OpenJBOD controllers.

Resources

Readme
License
Activity
Custom properties

Stars

3 stars

Watchers

0 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
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OpenJBOD Tank
Tank is a piece of embedded software for the OpenJBOD RP2040 controller. The software allows the user to:
  • Remotely switch the JBOD power supply on or off
  • View the chassis environment status (Fan speeds, temperature, etc)
  • Configure an adjustable fan curve
  • Create new users for remote management
  • Configure custom hostnames and static network addresses
Tank supports both HTTP and HTTPS (albeit HTTPS is a bit slower, at the time of writing, but generally stable.)
The name Tank is a reference to Oracle/Sun documentation for ZFS naming example storage pools 'tank'.
Development Environment Setup
The Tank firmware is built on the Zephyr RTOS. The steps below describe how to create a local development environment on an Ubuntu/Debian host. Equivalent packages exist for other Linux distributions; Windows and macOS users can adapt the instructions using Zephyr's official host setup guide. This assumes you do not have any pre-requisites installed.
If you already have West installed and are familiar with Zephyr, you can adjust this to match your existing workflow.
1. Install Host Prerequisites
sudo apt update
sudo apt install --no-install-recommends \
build-essential cmake ninja-build gperf ccache dfu-util device-tree-compiler \
wget git python3-dev python3-tk xz-utils file make gcc \ 
gcc-multilib g++-multilib libsdl2-dev libmagic1
(If working on ARM64/AArch64, omit gcc-multilib and g++-multilib.)
2. Install West, West SDK, and clone Tank
# Create a Python venv
python3 -m venv venv
source venv/bin/activate
# Install West
pip install west
# Clone Tank and establish a Zephyr workspace
west init -m https://github.com/openjbod/tank --mr main tank-workspace
# Fetch dependencies and install the West SDKcd tank-workspace
west update
west packages pip --install
west sdk install -t arm-zephyr-eabi
3. Build Tank
west build -s tank -b rpi_pico
The resulting firmware image is produced in build/zephyr/zephyr.uf2. Drag-and-drop the UF2 onto a mounted RP2040 boot volume, flash it using picotool, or use any other preferred workflow.
4. (Optional) Clean and Rebuild
west build -t pristine
west build -s tank -b rpi_pico
About
Tank is a Zephyr/C-based firmware for OpenJBOD controllers.
Resources
Readme
License
Activity
Custom properties
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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OpenJBOD Tank
Tank is a piece of embedded software for the OpenJBOD RP2040 controller. The software allows the user to:
  • Remotely switch the JBOD power supply on or off
  • View the chassis environment status (Fan speeds, temperature, etc)
  • Configure an adjustable fan curve
  • Create new users for remote management
  • Configure custom hostnames and static network addresses
Tank supports both HTTP and HTTPS (albeit HTTPS is a bit slower, at the time of writing, but generally stable.)
The name Tank is a reference to Oracle/Sun documentation for ZFS naming example storage pools 'tank'.
Development Environment Setup
The Tank firmware is built on the Zephyr RTOS. The steps below describe how to create a local development environment on an Ubuntu/Debian host. Equivalent packages exist for other Linux distributions; Windows and macOS users can adapt the instructions using Zephyr's official host setup guide. This assumes you do not have any pre-requisites installed.
If you already have West installed and are familiar with Zephyr, you can adjust this to match your existing workflow.
1. Install Host Prerequisites
sudo apt update
sudo apt install --no-install-recommends \
build-essential cmake ninja-build gperf ccache dfu-util device-tree-compiler \
wget git python3-dev python3-tk xz-utils file make gcc \ 
gcc-multilib g++-multilib libsdl2-dev libmagic1
(If working on ARM64/AArch64, omit gcc-multilib and g++-multilib.)
2. Install West, West SDK, and clone Tank
# Create a Python venv
python3 -m venv venv
source venv/bin/activate
# Install West
pip install west
# Clone Tank and establish a Zephyr workspace
west init -m https://github.com/openjbod/tank --mr main tank-workspace
# Fetch dependencies and install the West SDKcd tank-workspace
west update
west packages pip --install
west sdk install -t arm-zephyr-eabi
3. Build Tank
west build -s tank -b rpi_pico
The resulting firmware image is produced in build/zephyr/zephyr.uf2. Drag-and-drop the UF2 onto a mounted RP2040 boot volume, flash it using picotool, or use any other preferred workflow.
4. (Optional) Clean and Rebuild
west build -t pristine
west build -s tank -b rpi_pico
About
Tank is a Zephyr/C-based firmware for OpenJBOD controllers.
Resources
Readme
License
Activity
Custom properties
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
OpenJBOD Tank
Tank is a piece of embedded software for the OpenJBOD RP2040 controller. The software allows the user to:
  • Remotely switch the JBOD power supply on or off
  • View the chassis environment status (Fan speeds, temperature, etc)
  • Configure an adjustable fan curve
  • Create new users for remote management
  • Configure custom hostnames and static network addresses
Tank supports both HTTP and HTTPS (albeit HTTPS is a bit slower, at the time of writing, but generally stable.)
The name Tank is a reference to Oracle/Sun documentation for ZFS naming example storage pools 'tank'.
Development Environment Setup
The Tank firmware is built on the Zephyr RTOS. The steps below describe how to create a local development environment on an Ubuntu/Debian host. Equivalent packages exist for other Linux distributions; Windows and macOS users can adapt the instructions using Zephyr's official host setup guide. This assumes you do not have any pre-requisites installed.
If you already have West installed and are familiar with Zephyr, you can adjust this to match your existing workflow.
1. Install Host Prerequisites
sudo apt update
sudo apt install --no-install-recommends \
build-essential cmake ninja-build gperf ccache dfu-util device-tree-compiler \
wget git python3-dev python3-tk xz-utils file make gcc \ 
gcc-multilib g++-multilib libsdl2-dev libmagic1
(If working on ARM64/AArch64, omit gcc-multilib and g++-multilib.)
2. Install West, West SDK, and clone Tank
# Create a Python venv
python3 -m venv venv
source venv/bin/activate
# Install West
pip install west
# Clone Tank and establish a Zephyr workspace
west init -m https://github.com/openjbod/tank --mr main tank-workspace
# Fetch dependencies and install the West SDKcd tank-workspace
west update
west packages pip --install
west sdk install -t arm-zephyr-eabi
3. Build Tank
west build -s tank -b rpi_pico
The resulting firmware image is produced in build/zephyr/zephyr.uf2. Drag-and-drop the UF2 onto a mounted RP2040 boot volume, flash it using picotool, or use any other preferred workflow.
4. (Optional) Clean and Rebuild
west build -t pristine
west build -s tank -b rpi_pico
About
Tank is a Zephyr/C-based firmware for OpenJBOD controllers.
Resources
Readme
License
Activity
Custom properties
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
OpenJBOD Tank
Tank is a piece of embedded software for the OpenJBOD RP2040 controller. The software allows the user to:
  • Remotely switch the JBOD power supply on or off
  • View the chassis environment status (Fan speeds, temperature, etc)
  • Configure an adjustable fan curve
  • Create new users for remote management
  • Configure custom hostnames and static network addresses
Tank supports both HTTP and HTTPS (albeit HTTPS is a bit slower, at the time of writing, but generally stable.)
The name Tank is a reference to Oracle/Sun documentation for ZFS naming example storage pools 'tank'.
Development Environment Setup
The Tank firmware is built on the Zephyr RTOS. The steps below describe how to create a local development environment on an Ubuntu/Debian host. Equivalent packages exist for other Linux distributions; Windows and macOS users can adapt the instructions using Zephyr's official host setup guide. This assumes you do not have any pre-requisites installed.
If you already have West installed and are familiar with Zephyr, you can adjust this to match your existing workflow.
1. Install Host Prerequisites
sudo apt update
sudo apt install --no-install-recommends \
build-essential cmake ninja-build gperf ccache dfu-util device-tree-compiler \
wget git python3-dev python3-tk xz-utils file make gcc \ 
gcc-multilib g++-multilib libsdl2-dev libmagic1
(If working on ARM64/AArch64, omit gcc-multilib and g++-multilib.)
2. Install West, West SDK, and clone Tank
# Create a Python venv
python3 -m venv venv
source venv/bin/activate
# Install West
pip install west
# Clone Tank and establish a Zephyr workspace
west init -m https://github.com/openjbod/tank --mr main tank-workspace
# Fetch dependencies and install the West SDKcd tank-workspace
west update
west packages pip --install
west sdk install -t arm-zephyr-eabi
3. Build Tank
west build -s tank -b rpi_pico
The resulting firmware image is produced in build/zephyr/zephyr.uf2. Drag-and-drop the UF2 onto a mounted RP2040 boot volume, flash it using picotool, or use any other preferred workflow.
4. (Optional) Clean and Rebuild
west build -t pristine
west build -s tank -b rpi_pico
About
Tank is a Zephyr/C-based firmware for OpenJBOD controllers.
Resources
Readme
License
Activity
Custom properties
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
OpenJBOD Tank
Tank is a piece of embedded software for the OpenJBOD RP2040 controller. The software allows the user to:
  • Remotely switch the JBOD power supply on or off
  • View the chassis environment status (Fan speeds, temperature, etc)
  • Configure an adjustable fan curve
  • Create new users for remote management
  • Configure custom hostnames and static network addresses
Tank supports both HTTP and HTTPS (albeit HTTPS is a bit slower, at the time of writing, but generally stable.)
The name Tank is a reference to Oracle/Sun documentation for ZFS naming example storage pools 'tank'.
Development Environment Setup
The Tank firmware is built on the Zephyr RTOS. The steps below describe how to create a local development environment on an Ubuntu/Debian host. Equivalent packages exist for other Linux distributions; Windows and macOS users can adapt the instructions using Zephyr's official host setup guide. This assumes you do not have any pre-requisites installed.
If you already have West installed and are familiar with Zephyr, you can adjust this to match your existing workflow.
1. Install Host Prerequisites
sudo apt update
sudo apt install --no-install-recommends \
build-essential cmake ninja-build gperf ccache dfu-util device-tree-compiler \
wget git python3-dev python3-tk xz-utils file make gcc \ 
gcc-multilib g++-multilib libsdl2-dev libmagic1
(If working on ARM64/AArch64, omit gcc-multilib and g++-multilib.)
2. Install West, West SDK, and clone Tank
# Create a Python venv
python3 -m venv venv
source venv/bin/activate
# Install West
pip install west
# Clone Tank and establish a Zephyr workspace
west init -m https://github.com/openjbod/tank --mr main tank-workspace
# Fetch dependencies and install the West SDKcd tank-workspace
west update
west packages pip --install
west sdk install -t arm-zephyr-eabi
3. Build Tank
west build -s tank -b rpi_pico
The resulting firmware image is produced in build/zephyr/zephyr.uf2. Drag-and-drop the UF2 onto a mounted RP2040 boot volume, flash it using picotool, or use any other preferred workflow.
4. (Optional) Clean and Rebuild
west build -t pristine
west build -s tank -b rpi_pico
About
Tank is a Zephyr/C-based firmware for OpenJBOD controllers.
Resources
Readme
License
Activity
Custom properties
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
OpenJBOD Tank
Tank is a piece of embedded software for the OpenJBOD RP2040 controller. The software allows the user to:
  • Remotely switch the JBOD power supply on or off
  • View the chassis environment status (Fan speeds, temperature, etc)
  • Configure an adjustable fan curve
  • Create new users for remote management
  • Configure custom hostnames and static network addresses
Tank supports both HTTP and HTTPS (albeit HTTPS is a bit slower, at the time of writing, but generally stable.)
The name Tank is a reference to Oracle/Sun documentation for ZFS naming example storage pools 'tank'.
Development Environment Setup
The Tank firmware is built on the Zephyr RTOS. The steps below describe how to create a local development environment on an Ubuntu/Debian host. Equivalent packages exist for other Linux distributions; Windows and macOS users can adapt the instructions using Zephyr's official host setup guide. This assumes you do not have any pre-requisites installed.
If you already have West installed and are familiar with Zephyr, you can adjust this to match your existing workflow.
1. Install Host Prerequisites
sudo apt update
sudo apt install --no-install-recommends \
build-essential cmake ninja-build gperf ccache dfu-util device-tree-compiler \
wget git python3-dev python3-tk xz-utils file make gcc \ 
gcc-multilib g++-multilib libsdl2-dev libmagic1
(If working on ARM64/AArch64, omit gcc-multilib and g++-multilib.)
2. Install West, West SDK, and clone Tank
# Create a Python venv
python3 -m venv venv
source venv/bin/activate
# Install West
pip install west
# Clone Tank and establish a Zephyr workspace
west init -m https://github.com/openjbod/tank --mr main tank-workspace
# Fetch dependencies and install the West SDKcd tank-workspace
west update
west packages pip --install
west sdk install -t arm-zephyr-eabi
3. Build Tank
west build -s tank -b rpi_pico
The resulting firmware image is produced in build/zephyr/zephyr.uf2. Drag-and-drop the UF2 onto a mounted RP2040 boot volume, flash it using picotool, or use any other preferred workflow.
4. (Optional) Clean and Rebuild
west build -t pristine
west build -s tank -b rpi_pico
About
Tank is a Zephyr/C-based firmware for OpenJBOD controllers.
Resources
Readme
License
Activity
Custom properties
Stars
3 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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OpenJBOD Tank
Tank is a piece of embedded software for the OpenJBOD RP2040 controller. The software allows the user to:
  • Remotely switch the JBOD power supply on or off
  • View the chassis environment status (Fan speeds, temperature, etc)
  • Configure an adjustable fan curve
  • Create new users for remote management
  • Configure custom hostnames and static network addresses
Tank supports both HTTP and HTTPS (albeit HTTPS is a bit slower, at the time of writing, but generally stable.)
The name Tank is a reference to Oracle/Sun documentation for ZFS naming example storage pools 'tank'.
Development Environment Setup
The Tank firmware is built on the Zephyr RTOS. The steps below describe how to create a local development environment on an Ubuntu/Debian host. Equivalent packages exist for other Linux distributions; Windows and macOS users can adapt the instructions using Zephyr's official host setup guide. This assumes you do not have any pre-requisites installed.
If you already have West installed and are familiar with Zephyr, you can adjust this to match your existing workflow.
1. Install Host Prerequisites
sudo apt update
sudo apt install --no-install-recommends \
build-essential cmake ninja-build gperf ccache dfu-util device-tree-compiler \
wget git python3-dev python3-tk xz-utils file make gcc \ 
gcc-multilib g++-multilib libsdl2-dev libmagic1
(If working on ARM64/AArch64, omit gcc-multilib and g++-multilib.)
2. Install West, West SDK, and clone Tank
# Create a Python venv
python3 -m venv venv
source venv/bin/activate
# Install West
pip install west
# Clone Tank and establish a Zephyr workspace
west init -m https://github.com/openjbod/tank --mr main tank-workspace
# Fetch dependencies and install the West SDKcd tank-workspace
west update
west packages pip --install
west sdk install -t arm-zephyr-eabi
3. Build Tank
west build -s tank -b rpi_pico
The resulting firmware image is produced in build/zephyr/zephyr.uf2. Drag-and-drop the UF2 onto a mounted RP2040 boot volume, flash it using picotool, or use any other preferred workflow.
4. (Optional) Clean and Rebuild
west build -t pristine
west build -s tank -b rpi_pico
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Tank is a Zephyr/C-based firmware for OpenJBOD controllers.
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