Complete DDN EXAScaler (Lustre) keyboard shortcuts and commands reference — 13 shortcuts across 3 categories. Quick reference cheat sheet for Windows & Mac.
DDN EXAScaler (Lustre) is a popular parallel filesystem built on Lustre for AI supercomputing used by professionals worldwide. Learning keyboard shortcuts can dramatically speed up your workflow — studies show shortcut users save an average of 8 days per year compared to mouse-only users.
This page covers all 13 DDN EXAScaler (Lustre) shortcuts across 3 categories: Filesystem Status, Striping & Files, Cluster Management. Each shortcut includes a description to help you understand when and how to use it effectively.
| Shortcut | Action | Description |
|---|---|---|
| lfs df -h | Filesystem usage | Show disk space usage across all OSTs and MDTs, human-readable. |
| lfs df -i | Inode usage | Show inode consumption per OST and MDT. |
| lfs osts | List OSTs | List all Object Storage Targets in the filesystem. |
| lfs mdts | List MDTs | List all Metadata Targets in the filesystem. |
| lfs check servers | Check server status | Check the status of all MDT and OST servers. |
| Shortcut | Action | Description |
|---|---|---|
| lfs getstripe file | Show striping | Show the striping pattern (which OSTs are used) for a file or directory. |
| lfs setstripe -c n dir | Set striping | Set the default stripe count for new files created in a directory. |
| lfs find path -type f | Find files | Find files matching criteria without the heavy metadata load of a regular find. |
| lfs quota -u user path | Show user quota | Display block and inode quota usage for a user. |
| Shortcut | Action | Description |
|---|---|---|
| lctl dl | List devices | List local Lustre devices (OSC/MDC connections) on this node. |
| lctl ping nid | Ping Lustre node | Test LNet connectivity to a target node ID. |
| lctl get_param param | Get parameter | Read a live Lustre tunable parameter, e.g. a target's recovery_status. |
| lctl list_nids | List network IDs | Show which LNet network (tcp, o2ib) this node is using. |
The most essential DDN EXAScaler (Lustre) shortcuts are: lfs df -h (Filesystem usage), lfs df -i (Inode usage), lfs osts (List OSTs). These cover the most frequent actions and can significantly speed up your workflow.
DDN EXAScaler (Lustre) has 13 keyboard shortcuts across 3 categories on shortcut-tools.com.
These are command-line commands — type them in your terminal or console. Combine them with shell history search (Ctrl + R) and aliases to work even faster.
The DDN EXAScaler (Lustre) shortcut for filesystem usage is lfs df -h. Show disk space usage across all OSTs and MDTs, human-readable.
Start with the essentials: Learn lfs df -h (Filesystem usage) and lfs df -i (Inode usage) first — these are the most commonly used.
Practice daily: Pick 2–3 new shortcuts each day and consciously use them instead of the mouse. Within a week, they become muscle memory.
Print this cheat sheet: Keep a reference nearby until shortcuts become automatic. Focus on the Filesystem Status category first.
Infrastructure tip: Bookmark this page for quick reference during maintenance windows when speed matters most.