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PROVIDING FAULT TOLERANCE IN A VIRTUALIZED COMPUTING ENVIRONMENT THROUGH A MIGRATION APPROACH BASED ON RESOURCE AVAILABILITY
PROVIDING FAULT TOLERANCE IN A VIRTUALIZED COMPUTING ENVIRONMENT THROUGH A MIGRATION APPROACH BASED ON RESOURCE AVAILABILITY
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机译:通过基于资源可用性的迁移方法在虚拟化计算环境中提供容错能力
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摘要
An example method is described to provide fault tolerance in a virtualized computing environment with a first fault domain and a second fault domain. The method may comprise determining whether a primary virtualized computing instance and a secondary virtualized computing instance are both in the first fault domain. The secondary virtualized computing instance may be configured as a backup for the primary virtualized computing instance and supported by a first host. The method may further comprise: in response to determination that the primary virtualized computing instance and secondary virtualized computing instance are both in the first fault domain, selecting, from the second fault domain, a second host based on a resource availability of the second host; and migrating the secondary virtualized computing instance from the first host to the second host, thereby migrating the secondary virtualized computing instance from the first fault domain to the second fault domain.
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