Bug ID 802421: The /var partition may become 100% full requiring manual intervention to clear space

Last Modified: Aug 08, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP TMOS(all modules)

Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 15.0.0, 15.0.1

Opened: Jul 04, 2019
Severity: 2-Critical

Symptoms

The /var partition might become completely full on the disk due to files being written to /var/config/rest. This condition may be accompanied by console error messages similar to the following: 011d0004:3: Disk partition /var (slot #) has only 0% free on secondary blade. Additionally, there may be periodic restjavad and bigd daemons restarts related to disk space exhaustion.

Impact

The partition housing /var/config/rest may become 100% full, impacting future disk IO to the partition.

Conditions

Process traffic while DoS Dashboard is open

Workaround

Important: This workaround is temporary, and may need to be periodically performed either manually or from a script. Impact of Workaround: While these steps are performed, the BIG-IP REST API will be temporarily inaccessible, and higher disk IO may be seen. Run the following commands, in sequence: bigstart stop restjavad rm -rf /var/config/rest/storage*.zip rm -rf /var/config/rest/*.tmp bigstart start restjavad Manual application of these workaround steps clears the 100% utilized space condition and allows the partition to resume normal operation.

Fix Information

None

Behavior Change