Symptom:
F5 systems may fail or act in unpredictable manner when critical partitions run out of dsk space.
By default there is no warning provided when the root partition is full.
Problem:
There are a number of possible ways to monitor F5 for disk space, etc.
You may need to use the F5 custom MIB to send traps, e.g. for bigipDiskPartitionWarn and bigipDiskPartitionGrowth directly to a trap listener to generate a ticket when any partition exceeds 30%.
Solution:
sol8865: Diskmonitor: http://support.f5.com/kb/en-us/solutions/public/8000/800/sol8865.html
sol12263: Maintaining disk space on a BIG-IP system http://support.f5.com/kb/en-us/solutions/public/12000/200/sol12263.html
sol3727: Configuring custom SNMP traps http://support.f5.com/kb/en-us/solutions/public/3000/700/sol3727.html
sol11127: Testing SNMP traps http://support.f5.com/kb/en-us/solutions/public/11000/100/sol11127.html
How to Forward Syslog events to QRadar: http://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/bigip9_4mgmt/BIG_IP_9_4_nsm_guide-18-1.html
sol3667: Sending email from traps: http://support.f5.com/kb/en-us/solutions/public/3000/600/sol3667.html and http://support.f5.com/kb/en-us/solutions/public/13000/100/sol13180.html
How to enable SNMP and set community:
Enabling SNMP is in http://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/bigip_tmos_implementations_11_0_0/15.html
Enabling SNMP traps is in http://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/bigip_tmos_implementations_11_0_0/16.html
InterestingSNMP traps: bigipDiskPartitionWarn, bigipDiskPartitionGrowth
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