Bug ID 1592209: Monitored objects stays "Offline (Enabled)" even after manually enabling the server object after reboot

Last Modified: Dec 19, 2024

Affected Product(s):
BIG-IP DNS(all modules)

Known Affected Versions:
16.1.5, 16.1.5.1, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2

Opened: Jun 06, 2024

Severity: 3-Major

Symptoms

A Generic host server object reports “Offline (Enabled)”. When enabling the server object, the bellow message is logged to /var/log/gtm: gtmd[xxxx]: 011a5004:1: SNMP_TRAP: Server /Common/[generic-server] (ip=192.1.1.51) state change blue --> red (No enabled virtual server available)

Impact

Virtual servers that are associated with the affected generic server object may stay unavailable. Hence, pool or wideIP, which uses the affected server object, may be unavailable too.

Conditions

-- Any operations that cause GTMd to rebuild its probe list. Following are a few example operations: - Monitored objects being disabled, - GTMd restart, - Loss of iQuery to other GTMs, - Adding or removing probes. -- BIG-IP is running on a software versions 17.1.1 or 16.1.5 or later versions in which the ID 1133201 is fixed.

Workaround

After the issue, restart the GTMd. Generic host server object will be get back to 'Available (Enabled)' status. Following is an example command to restart the GTMd: # tmsh restart /sys service gtmd Global server load balancing is disrupted while gtmd is restarted.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips