External WAN connection goes down but modem is fine.

Question

Hello I am using Sophos UTM9 and have been using it for a few months just fine. Today I was browsing the Internet and suddenly it stopped working. I log onto the web admin page and saw the external WAN connection stat as "down" and link "up" so I assumed the ISP connection had gone down. A couple hours later the Internet is still down so I log onto the Comcast website and the connection status for me is good but the Internet still isn't working. After a couple hours of troubleshooting I discover that the modem is fine and connected but UTM9 is showing a down connection so I can't get online without bypassing UTM and connecting straight to the modem. I can look at the network usage log and see the external connection traffic then all of a sudden nothing. Like I said I have been running just fine for months and haven't configured anything on it in a couple months. I am currently running 9.352-6. Any help will be appreciated and let me know if I need to post any logs.

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I can look at the network usage log and see the external connection traffic then all of a sudden nothing. Like I said I have been running just fine for months and haven't configured anything on it in a couple months. I am currently running 9.352-6.

Any help will be appreciated and let me know if I need to post any logs.

BryanEdwards · Accepted Answer

So I ended up spinning up another VM and installing Sophos UTM on there. Did a quick and dirty configuration to get it up an running so I could update it. Then exported a backup from the existing UTM configuration and imported it to the new UTM VM, and within about an hour was back up and running. This time I provisioned 50GB per Scott_Klassen suggestion of 40GB+ so hopefully I wont run into a storage problem again. 
 
I would like to keep trying to solve this because it could happen again and spinning up another VM isn't a permanent solution for me. I did keep the old instance of UTM on the host so we can keep working through this. Please keep the suggestions coming.

jflex · Answer

If you know your way around gParted's live disk, then its possible. 
 I booted up my VM of the utm and added 16GB to the disk just to see. 
 Sophos multi-partitions the single disk so its going to be a bit of a pain to move partitions around to get the unallocated space to the partition you would like to extend.