High-performance persistent storage for virtualized workloads

Supporting virtualized workloads in Red Hat® OpenShift® requires reliable persistent storage that offers virtual machine (VM) live migration, provides resilience for business continuity, and yields high performance for common VM-based workloads — even under failure conditions. 

To understand these factors, Red Hat engineers evaluated Red Hat OpenShift Virtualization — the container-native virtualization component of Red Hat OpenShift — comparing Red Hat OpenShift Container Storage against a competitive container-native persistent storage alternative. Testing included failover, VM cloning and booting, database workloads, and simulated input/output (I/O) operations. When coupled with OpenShift Virtualization, OpenShift Container Storage demonstrated much better performance and data availability for high-concurrency virtualized workloads compared to competing container-native storage alternatives. 

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