Similar to other blockchains, the Incognito network increases the size gradually. If you are a Virtual Node user, we do recommend to monitor the storage of your server monthly.
The shortage of free-space will prevent your Node from syncing/ processing data from the network, which affects your earning and the stability of the Incognito network as well.
Sometimes, the app didn’t give a warning message about this problem
To check deeper, you need to log in (ssh) your server and enter this command:
If the directory “dev/vda1/” is shown as 100%, it means that you need to upgrade the volume of your drive
For Google cloud instance, this is the guide to upgrade the volume. For other VPS providers, we suggest you should create a new server and set up the Node again with your current validator key
Useful instruction: How to host a Virtual Node
Now, the storage requirement is 160GB minimum. At the end of March 2020, there will be optimization on the network size. It is expected to reduce the volume by 50%. We will keep you posted.