Data Disk is filling up

Hello all,
how can we prevent it from happening again?
For now we have solved by restarting the device.. see the screenshot.

Thanks for the support!

Massimo

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Data Disk is filling up - please check. Current usage: 76%
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System Uptime : 102 days 7 hours 0 minutes
System Load : 0.02
System Version : Astaro Security Gateway 8.305

Please refer to the manual for detailed instructions.
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Attached Images

PartitionUsage.PNG (17.2 KB)