fsck.jfs -n exited with status code 4
fsck.jfs version 1.1.15, 04-Mar-2011
processing started: 3/27/2025 2:53:02
The current device is:  /tmp/3620168810.img
Block size in bytes:  4096
Filesystem size in blocks:  3840
**Phase 1 - Check Blocks, Files/Directories, and  Directory Entries
Secondary file/directory allocation structure (1) is not a correct redundant copy of primary structure.
Invalid format detected in Root directory.
CANNOT CONTINUE.
ERRORS HAVE BEEN DETECTED.  Run fsck with the -f parameter to repair.