OCSC Active-Active Protect Failure When One Of OCSC Fail With Disk Failure
(Doc ID 2285091.1)
Last updated on NOVEMBER 21, 2019
Applies to:Oracle Communications Converged Application Server - Service Controller - Version 6.1.0 and later
Information in this document applies to any platform.
In an Active-Active deployment for OCSC, when OCSC1 has problem with hardware failure, OCSC2 can not handle traffic, either, only after a restart of OCSC2, it works.
The hardware failure: Disk array is there but the disk array controller failed. When the failure happened, ping OCSC1 still worked, but ssh to OCSC1 failed.
In Active-Active deployment, when one node is down, the other node should not be infected.
Steps to reproduce:
1, OCSC1, OCSC2 worked normally
2, OCSC1 had disk failure, but ping still worked, traffic to OCSC1 failed
3, OCSC2 was infected by OCSC1, all the call to OCSC2 failed
4, Restart OCSC2, OCSC2 recovered, 1/2 call successful.
5, Unplug OCSC1 cable, almost all the call successful.
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