zpool:tldr:f51ca

The "zpool status" command is used to display the detailed status of a ZFS pool. ZFS, which stands for Zettabyte File System, is a file system that provides advanced features like data integrity, scalability, and ease of administration.

When you run "zpool status", it provides information about the health and configuration of the ZFS pool. It shows the overall status of the pool, the state of each device or disk in the pool, and any error or problem encountered.

The output of the command includes several sections:

1. Pool Name: This shows the name of the ZFS pool being examined.

2. State: This line indicates the overall status of the pool, whether it is healthy or experiencing any issues.

3. Configuration Information: This section provides details about the configuration of the pool, including the number of devices, RAID type, and data distribution.

4. Scan Status: If a background scrub or resilvering operation is in progress, this section will show the progress and estimated time remaining for that operation.

5. Errors: If there are any errors or problems detected, this section will display relevant information and suggest troubleshooting steps.

6. Device Status: This part provides the status of each device or disk in the pool. It includes information like the device name, state (online, faulted, degraded), capacity, and health.

Overall, the "zpool status" command is useful for monitoring the health of ZFS pools and identifying any issues that may require attention, such as failed or degraded devices.