mdadm: failed to open /dev/nvme0n3 after earlier success - aborting: 解决方法

The error message "mdadm: failed to open /dev/nvme0n3 after earlier success - aborting" is indicating that there was a failure in opening the device /dev/nvme0n3 during the process. This could be due to various reasons such as incorrect device name, permission issues, or hardware problems.

To resolve this issue, you can try the following steps:

1. Verify the correct device name: Double-check the device name to ensure that it is correct. The device name should be in the format /dev/nvmeXnY, where X and Y are numbers representing the NVMe device and partition number, respectively.

2. Check permissions: Make sure that you have sufficient permissions to access the device. You might need to run the command with root privileges using sudo.

3. Verify hardware connections: Check the physical connections of the NVMe device to ensure it is properly connected. If possible, try reseating the device or connecting it to a different slot.

4. Check for hardware issues: Run diagnostics on the NVMe device to check for any hardware problems. You can use tools like smartctl or nvme-cli to perform diagnostic tests on the device.

If the issue persists, you may need to provide more information about the specific steps you are taking and the context in which the error occurs, so that a more accurate solution can be provided.