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

Question

Hi, 
 every Minute we get a mail with:

Message: Signature disk Usage reached 91% exceeding the threshold of 90%

(shame on sophos for that stupid bug) 
 
 but all the solutions to clean the disk is for reports, and this is a other partition. 
 We need the simplest way to flush all the "Signatures". Why can the appliance not manage by her self???? 
 plz 
 greats

dirkkotte · Accepted Answer

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 !!

LuCar Toni · Answer

The solution to your problem is quite easy: Sophos raised the needed space for the Disks of primary from 4 GB in 17.5 to minimum of 16 GB in V18.0. 
 Customers with older Appliances do not have the needed space and could potentially run into space issues, because the appliance does not offer enough space. 
 https://docs.sophos.com/nsg/sophos-firewall/19.5/Help/en-us/webhelp/onlinehelp/VirtualAndSoftwareAppliancesHelp/SoftwareAppliance/index.html 
 New installation all utilize more space. 
 The outcome here is essentially: You can clean up the signature partition all the time or you could reimage the system with a bigger Disk and restore your backup. This will essentially resolve this problem. 
 Sophos cannot make IPS pattern and other pattern "smaller" and utilizing 4 GB over the long run is hard. 
 You can take this answer or refuse to. But that are the hard facts based on your issue.

ShrikantSophos · Answer

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.

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

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