10-14-2019 01:11 PM
I upgraded a few pair of IPS/IDS devices last night and ran into an odd issue I haven't seen when upgrading other devices before. They run, typically, in Active/Passive mode, so when I upgrade I suspend one, upgrade, reboot, unsuspend it, and then repeat the process on the other device.
Last night after I walked through this process the devices came active and stayed active, despite them both being up. I have had to suspend one of these IPS/IDS devices in several locations to ensure only one is active.
Does anyone know why this happened and what the resolution may be?
Thanks.
10-14-2019 02:16 PM
Sounds like your devices went into split-brain and aren't able to see each others status, so they'll both actively be active assuming the other device is offline. I would look at you HA stats and ensure that the devices are properly communicating with eachother.
10-22-2019 11:07 AM
Yes, what I have learned is that after a major upgrade the HA keys are no longer referenced accordingly and must be manually exported and imported to restore this connectivity.
10-14-2019 02:16 PM
Sounds like your devices went into split-brain and aren't able to see each others status, so they'll both actively be active assuming the other device is offline. I would look at you HA stats and ensure that the devices are properly communicating with eachother.
10-22-2019 11:07 AM
Yes, what I have learned is that after a major upgrade the HA keys are no longer referenced accordingly and must be manually exported and imported to restore this connectivity.
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