ufdisk -c au87101a # Compaction / garbage collection ufdisk -t au87101a # Trim unused blocks (if flash) ufdisk -r au87101a -p 20 # Resize partition, freeing 20% as reserve
This guide assumes "AU87101A" is a USB flash drive or USB controller model experiencing a UFDISK full (drive shows full or cannot be written to). Steps cover diagnosing, recovering data, repairing filesystem or controller issues, and securely reformatting. Follow in order until resolved. Back up data when possible before destructive steps. au87101a ufdisk full
If files are visible but cannot copy, or filesystem is corrupted: ufdisk -c au87101a # Compaction / garbage collection
drive shows as full but is empty, it is likely due to file system corruption or incorrect partitioning. repairing filesystem or controller issues