IMPORTANT! Please remember to ZIP and attach your backup log file. Without it we are unlikely to be able to help you with backup issues. Thank you!
I can do a backup "manually" without problem, but not with a cron job.
The total size is about 3 Gb, and I configure to save in 256 Mb. files, and always stop in j09 file and always this file is 84.570.654 size.
The max time in the server is increased to 400
I send you the log file.