Hi HomerJau
I just tested samba on LE12 and was able to put a file on an ext4 ok. Can you please check your file system.
Bash
nuc12:~ # mkdir test
nuc12:~ # cd test
nuc12:~ # cp ../send.txt .
nuc12:~/test # ls -la
total 28
drwxr-xr-x 2 root root 4096 Feb 21 09:30 .
drwxrwxrwx 43 root root 4096 Feb 21 09:29 ..
-rw-r--r-- 1 root root 18377 Feb 21 09:30 send.txt
nuc12:~/test # ls -la ../music/
total 8
drwxr-xr-x 2 root root 4096 Sep 26 2022 .
drwxrwxrwx 43 root root 4096 Feb 21 09:29 ..
nuc12:~/test # smbclient -U libreelec \\\\localhost\\Music
Password for [WORKGROUP\libreelec]:
Try "help" to get a list of possible commands.
smb: \> dir
. D 0 Mon Sep 26 02:22:16 2022
.. D 0 Mon Sep 26 02:22:16 2022
46761772 blocks of size 1024. 10319656 blocks available
smb: \> mkdir put
smb: \> cd put
smb: \put\> put send.txt
putting file send.txt as \put\send.txt (8972.7 kb/s) (average 8973.1 kb/s)
smb: \put\> dir
. D 0 Wed Feb 21 09:35:09 2024
.. D 0 Wed Feb 21 09:34:59 2024
send.txt A 18377 Wed Feb 21 09:35:09 2024
46761772 blocks of size 1024. 10319632 blocks available
smb: \put\>
nuc12:~/test # ls -la ../music
total 12
drwxr-xr-x 3 root root 4096 Feb 21 09:34 .
drwxrwxrwx 43 root root 4096 Feb 21 09:29 ..
drwxr-xr-x 2 root root 4096 Feb 21 09:35 put
nuc12:~/test # ls -la ../music/put
total 28
drwxr-xr-x 2 root root 4096 Feb 21 09:35 .
drwxr-xr-x 3 root root 4096 Feb 21 09:34 ..
-rwxr--r-- 1 root root 18377 Feb 21 09:35 send.txt
!