An increasing number of vendors are offering quality of service (QoS) capabilities for their storage systems. But the ability for these system to assure storage performance quality to mission critical applications is suspect at best. Guaranteeing virtualized application performance requires more than QoS, it requires a scalable storage infrastructure that understands specific virtual machine performance requirements.
In this article Storage Switzerland Senior Analyst, Colm Keegan provides the details on how a storage system has to go beyond QoS to provide complete application performance.
