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Barracuda NextGen Firewall X

Log message 'Disk space over limit' reported in the proxy cache.log

  • Type: Knowledgebase
  • Date changed: 6 months ago
Solution 00005267 

This solution replies to:
- NG Firewall firmware versions 4.2.x, 5.0.x, 5.2.x
- netfence firmware versions 4.2.x


This messages are reported in the "Log" > "<Servername>" > "<Servicename>" > "cache.log":

WARNING: Disk space over limit: 184624 KB > 102400 KB
WARNING: Disk space over limit: 174576 KB > 102400 KB

WARNING: Disk space over limit: 163982 KB > 102400 KB

WARNING: 1 swapin MD5 mismatches

What does it mean?


This problem my occur, if the swap.state file has been corrupted, often as a result of a power-failure or other uncontrolled system restart leaving the filesystem in a mess.

Please note, that this issue has no productive effects to the proxy service itself.

Follow this steps to solve the issue.

1) Block the proxy service in the "Control" > "Server / Service" tab

2) Delete the swap.state file via command line
rm /phion0/cache/squid-cache_<servername>_<servicename>/swap.state

3) Start the proxy service in the "Control" > "Server / Service" tab

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