On-line storage method of virtual machine inspection point
A storage method and virtual machine technology, applied in the field of fault tolerance and fault recovery, can solve the problems of high saving and recovery overhead, large granularity, lack of transparency, etc., and achieve the effect of enhancing availability and reducing time and space overhead.
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[0066] Examples:
[0067] The following describes the online storage method of virtual machine checkpoints of the present invention through specific examples. The experimental environment is a blade server and the configuration is as follows:
[0068]
[0069] The modified Xen 3.4 and Linux2.6.18-xen of the present invention need to be installed on the physical machine. Domain U and Domain0 share the same system kernel. Below, the initial memory of the virtual machine is set to 128MB, 256MB, 512MB and 1GB, and the load is idle Linux, Kernel- Under the conditions of building, Apache HTTP server, Dbench and Memtester, the checkpoint performance achieved by the present invention is tested respectively.
[0070] 1. Checkpoint file size test
[0071]
[0072] The above test shows that the checkpoint file obtained by using Xen's default checkpoint saving mechanism is almost equal to the virtual machine's memory mirror configuration size, while the checkpoint technology implemented by the pr...
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