Cockpit Disk Viewer

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A disk management plugin for Cockpit, providing comprehensive disk monitoring and management features.

Features

• Dashboard - Overview of all disks with status, temperature, runtime, and health
• Disk Info - Detailed disk information (model, serial, capacity, partitions, etc.)
• SMART Health - SMART attributes monitoring with health status
• Hibernation Control - Manage disk standby/hibernation with APM and write cache settings
• IO Monitor - Real-time disk I/O statistics with charts
• Self Test - SMART self-test management (short/long/conveyance)

Requirements

• Cockpit >= 200
• Python 3
• smartmontools
• hdparm

Installation

From DEB Package

sudo dpkg -i cockpit-diskviewer_1.1.41_all.deb
sudo systemctl restart cockpit

From Source

tar -xzf cockpit-diskviewer-v1.1.41.tar.gz
cd cockpit-diskviewer
sudo cp -r . /usr/share/cockpit/diskviewer
sudo cp backend/diskviewer.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable --now diskviewer
sudo systemctl restart cockpit

Uninstallation

sudo dpkg --purge cockpit-diskviewer
# Or for source installation:
sudo rm -rf /usr/share/cockpit/diskviewer
sudo systemctl disable --now diskviewer
sudo rm /etc/systemd/system/diskviewer.service
sudo systemctl daemon-reload

Configuration

Configuration files are stored in /etc/cockpit/diskviewer/:

• setting.json - User preferences (theme, language, refresh interval)
• data.json - Runtime data (standby timestamps, disk cache)

Data Sources

Feature	Data Source
Disk List	/sys/block/, lsblk
Disk Info	smartctl -a, hdparm -I
SMART Health	smartctl -H, smartctl -A
Hibernation State	hdparm -C
APM Settings	hdparm -B
Write Cache	hdparm -W
IO Statistics	/proc/diskstats
Self Test	smartctl -t, smartctl -l selftest

License

MIT License

Version

Current version: 1.1.41