Understanding high availability and disaster recovery for Qiskit Runtime

High availability (HA) is the ability for a service to remain operational and accessible in the presence of unexpected failures. Disaster recovery is the process of recovering the service instance to a working state. Qiskit Runtime customers are not responsible for disaster recovery planning or actions.

Qiskit Runtime is a regional service that fulfills the defined Service Level Objectives (SLO) with any paid plan. For more information, see the Service Level Agreement (SLA) for IBM Cloud®. For more information about the available IBM Cloud regions and data centers for Qiskit Runtime, see Service and infrastructure availability by location.

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High availability architecture

High availability features

This service is provisioned across three zones in a multi-zone region with no single point of failure. API requests are routed through a load balancer to the HA instance nodes, each in a different zone.

If an HA instance node or zone fails, the service continues to run API requests through to the surviving HA instance nodes. No noticeable degradation of service occurs during a zonal failure.

It available in the following regions:

• Washington DC (us-east)
• Frankfurt (eu-de)