1. Login into N8300 with support account and run a full fsck on the corrupted file system:
Here I use file system fs223 as an example. You should change to the corrupted file system name in your environment.
Note: Depends on the size of the file system, the fsck operation make take a long time. Don’t interrupt the running command since this may cause unpredictable problem.
2. After the full fsck completes successfully, you can try to online the file system and check its status: