VSOM: A Framework for Virtual Machine-Centric Analysis of End-to-End Storage IO Operations

Diagnosis of an I/O performance slow down is a complex problem. The root cause could be one among a plethora of event combinations such as VMware ESXi misconfiguration, an overloaded fabric switch, disk failures on the storage arrays, and so on. As a virtualization administrator, diagnosing the end-to-end I/O path today requires working with discrete fabric and storage reporting tools, and manually correlating component statistics to find performance abnormalities and root-cause events. To address this pain point, especially for cloud scale deployments, the authors developed the VMWare SAN Operations Manager (vSOM), a framework for end-to-end monitoring, correlation, and analysis of storage I/O paths. It aggregates events, statistics, and configuration details across the ESXi server, host bus adapters (HBAs), fabric switches, and storage arrays.

Provided by: VMW Games Topic: Virtualization Date Added: Dec 2012 Format: PDF

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