Magnetic disc file operation monitoring system and monitoring method based on Xen hardware virtualization
A hardware virtualization and disk file technology, applied in hardware monitoring and other directions, can solve problems such as inability to monitor disk operations and file operations in real time, lack of log information, etc., to enhance monitoring functions and practicability, reduce performance loss, Overcome the effect of not being able to monitor file operations in real time
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[0056] The present invention will be further described below in conjunction with the accompanying drawings.
[0057] 1. Overall structure design
[0058] The disk file operation monitoring system based on Xen hardware virtualization consists of four basic modules: monitoring module, information sending module, monitoring module and security module.
[0059] Realize the disk file operation monitoring of full virtual Linux, the deployment position of the monitoring module determines the quality of the whole system. Deploy the monitoring module in domO, you can monitor the disk operation through Xen’s block device front-end driver, Xenbus and event channel. To operate the front-end driver and event channel, you need to call a hypercall, and each hypercall will cause a switch from ring3 to ring0. Frequent switching will increase the cost of system overhead; on the other hand, since the monitoring is implemented through the front and back ends of the block device, file operations ...
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