TH1030S#show log
Log Buffer: 30000
Nov 08 2024 19:45:32 Error [SYSTEM]:tar: tar returned error status 2
Nov 08 2024 19:43:30 Notice [SYSTEM]:A cli session for user “admin” from 127.0.0.1 has been opened. Session ID assigned is 75.
Looks like plenty of disk. I am not familiar with that TAR error. Could you try downloading the upgrade image again? Also, can you try using the Web GUI to perform the upgrade?
Also note that the 2.7.2 to 4.1.4 upgrade guide calls this out: