Keep asking to increase the journal max size

I’m using VirtualBox, for testing wazuh and I’m using the graylog.
On the first start of graylog it was running ok, but after few minutes it failed to run and the port 9000 is not running even though I already set the http bind address to

● graylog-server.service - Graylog server
Loaded: loaded (/lib/systemd/system/graylog-server.service; disabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Sat 2023-09-16 14:15:19 UTC; 5s ago
Process: 20377 ExecStart=/usr/share/graylog-server/bin/graylog-server (code=exited, status=1/FAILURE)
Main PID: 20377 (code=exited, status=1/FAILURE)
CPU: 5.223s

Sep 16 14:15:19 wazuh systemd[1]: graylog-server.service: Main process exited, code=exited, status=1/FAILURE
Sep 16 14:15:19 wazuh systemd[1]: graylog-server.service: Failed with result ‘exit-code’.
Sep 16 14:15:19 wazuh systemd[1]: graylog-server.service: Consumed 5.223s CPU time.

When I check the /var/log/graylog-server/server.log, I see the below log. So, then I change the message_journal_max_size to 12gb, but still the issue persist and upon checking the server.log, and every time I increase it, it keep asking for additional storage.

2023-09-16T14:05:51.581Z ERROR [PreflightCheckService] Preflight check failed with error: Journal directory </var/lib/graylog-server/journal> has not enough free space (1027 MB) available. You need to provide additional 11260 MB to contain ‘message_journal_max_size = 12288 MB’

What are the specs of the virtual machines, especially disk space?

Also how large is the journal file in the location it lists, if it is growing large that is a sign it may not be storing messages properly as the journal is only a cache.

It looks like what is happening is the log is saying the message_journal_max_size is configured to a value larger than the available free space on the disk. Can you validate that either your message_journal_max_size is set appropriately or that you have enough disk space?

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