Signature disk Usage reached 91% exceeding the threshold of 90% (NOT REPORTS)

Hi Sebastian Richter1 , we wish to understand what's causing utilisation signature partition ? Could you please share support access via private message ? 

Also While awaiting the disk utilisation check and cleanup needed part ,  to stop this notification of threshold  emails coming every 1 min - you can check following setting  System Services -> Notification List ->Signature disk usage exceeded threshold and turn it off. 

Shame on Sophos...

remote support offer a forum, no way.

Why do you post your solution not here?

Then create a support case. So we can proceed with a normal support procees and escalate it to the Dev teams. 

Yes, I am the only one who has ever had and will have this error and no one here is interested in the solution...

then what is the forum for?

This is a general Sophos XG error and everyone should know the solution if Sophos is unable to permanently solve this problem itself.

From my own experience, the support is absolutely incompetent, the community knows the product better than any support employee I have contacted so far. That's really a shame.

So right now, after 9 years, we do not have any kind of insights of this error. Maybe its particular for your installation? 

Over the last years, customer did changes on their systems like UTM or SFOS by using commands or approaches on their appliances without knowing, what they actually do. 

So to speak, we are avoiding posting potential debugging approaches without knowing what is happening on the firewall. 

Let the support process taking this over and they will come up with an initial root cause analyse. 

You are free to share the solution here afterwards. 

Sophos-tech solved this for me. Possible it helps another too.

1. My FW (an old virtual appliance) has not a lot of disk space.

2. There are old savi & avira files ... possible from previous upgrades. After removing them, i have 60% disk usage again:

at my device:

ls -hl $(find /content/savi_1.00/ -name "*.tar.gz")
-rw-r--r--    1 vpnporta heartbea  288.3M Aug 17 12:53 /content/savi_1.00/1.0.19828/savi_19828.tar.gz
ls -hl $(find /content/avira_4.00/ -name "*.tar.gz")
-rw-r--r--    1 vpnporta heartbea  245.9M Aug 17 16:52 /content/avira_4.00/1.0.424761/avira_424761.tar.gz

Sophos: "To fix the 90% usage issue for this box, these pattern file can be removed. So, it should minimize total content usage."

... and it works !!

About "no enough space" - Sophos recommend to have at least 80 GB Data for the Disk. 

https://docs.sophos.com/nsg/sophos-firewall/19.5/Help/en-us/webhelp/onlinehelp/VirtualAndSoftwareAppliancesHelp/SoftwareAppliance/index.html 

it was clear that such an answer would come.
But Google strongly disagrees with you.
And other users here too.

But no, the stupid user must have botched something in the console.

Oh yes, support first sent me a broken link to instructions for the support ID.

No indication of how to switch off the 1-minute email.
And not as simple an answer and instructions as from “dirkotte”.
The support sucks, it's as simple as that, even if you don't want to hear it.