hdinfo

Features

• List all system disks with model, capacity, interface type, and state
• View partition mount points with used/free space
• Retrieve SMART data: temperature, power-on hours, power cycle count
• Respects disk sleep states (won't wake sleeping disks unless forced)

Dependencies

hdinfo relies on the following system utilities that must be installed:

# Debian/Ubuntu
sudo apt install util-linux hdparm smartmontools

# Arch Linux
sudo pacman -S util-linux hdparm smartmontools

# Fedora/RHEL
sudo dnf install util-linux hdparm smartmontools

Note:

• hdinfo is only supported on Linux based systems (no Windows or MacOS)
• hdinfo has only been tested on a Debian AMD64 system. If you encounter bugs on another Linux variant or architecture (ARM64), please report it

Installation

From source

Requires Go 1.25+.

go install github.com/cgons/hdinfo/cmd/hdinfo@latest

Build manually

git clone https://github.com/cgons/hdinfo.git
cd hdinfo
go build -o hdinfo ./cmd/hdinfo

Usage

Note: hdinfo requires root privileges. All commands must be run with sudo.

Global Options

hdinfo disks

List all system disks and their details.

sudo hdinfo disks [options]

Options:

Examples:

# List all disks
sudo hdinfo disks

# Include SMART data (skips sleeping disks)
sudo hdinfo disks --smart-data

# Include SMART data and wake sleeping disks
sudo hdinfo disks --smart-data --force

# Silent mode (no hints)
sudo hdinfo disks -s --smart-data

# Disable colors (useful when piping to a file)
sudo hdinfo disks --no-color

Sample output:

Name   Model              Capacity  IsSSD  Interface  State
sda    WDC WD100EMAZ-00   9.1T      false  sata       active/idle
sdb    WDC WD100EMAZ-00   9.1T      false  sata       active/idle
nvme0  Samsung 990 Pro    1.8T      true   nvme       active/idle

hdinfo mounts

List disk partitions and their mount points with space usage.

sudo hdinfo mounts

Options:

Example:

sudo hdinfo mounts

Sample output:

Name    Model              MountPoint   Capacity  UsedSpace  FreeSpace  Used/Free
sda1    WDC WD100EMAZ-00   /mnt/data1   9.1T      4.5T       4.6T       50% / 50%
sdb1    WDC WD100EMAZ-00   /mnt/data2   9.1T      1.2T       7.9T       13% / 87%
nvme0p1 Samsung 990 Pro    /            1.8T      200G       1.6T       11% / 89%

AI Usage

AI usage was limited to the following areas:

• README updates
• Generation of regex patterns to parse disk info
• Updates to colorized output
• Addition of conveniece flags (--no-color, --no-stats)

License

MIT