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Bug
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Resolution: Done-Errata
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Major
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None
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1.10.4.GA
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None
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False
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None
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False
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Critical
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Customer Facing
In a topology consisting of a router network hosted outside of OpenShift (two pairs of client-facing routers, linked to two pairs of outward-facing routers) and a router pair hosted in OpenShift, we had a recent incident where the connection was lost between the outward-facing on-prem routers and the hosted routers (Link to Neighbor Router Lost). Most of the links were immediately reestablished, but one link failed to reestablish between the on-prem and hosted routers. We can see that the link was reattached on the client-facing and outward-facing on-prem routers, but the link never got recreated on the hosted router until the application was restarted 3 hours later.
From the analysis following the incident, this appears to have been cause by a relatively unique set of circumstances in which a primary connection failure that resulted in the initial link losses was followed by a secondary connection failure in the network, resulting in a race condition while reestablishing / attaching the links.
- clones
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ENTMQIC-3383 Some Links Fail to Reestablish Between Hosted Routers in OpenShift and External Routers After a Multiple Connection Loss (rhel8)
- Closed
- links to
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RHBA-2023:119061 updated RHEL-7 based Middleware Containers container images (1.10.8)