Disk consolidation can be difficult and time-consuming, but it is often necessary to keep a computer running smoothly. This can be done for various reasons, such as to increase storage capacity or improve performance by reducing seek time. What is Disk Consolidation in Virtual Machines?ĭisk consolidation is the process of merging multiple disks into a single larger disk. Before you figure out why Virtual Machines Disks Consolidation is Needed, you should be familiar with the disk consolidation process and what happens when doing it. VM Disk consolidation is a process that is often required to maintain and fix corruption or consistency issues. P., and Pezaros, D.Most businesses today are adopting to virtualization and that’s for good reasons. Tso, Dr Fung Po and Pezaros, Professor Dimitrios and Cziva, Mr RichardĬui, L., Cziva, R., Tso, F.
Extensive evaluation results and a testbed implementation of our controller show that policy and VM migration under Sync significantly reduces flow end-to-end delay by nearly 40%, and network-wide communication cost by 50% within few seconds, while adhering strictly to the requirements of network policies. We then propose Sync, an efficient and synergistic scheme to jointly consolidate network policies and virtual machines. In this paper, we explore the simultaneous, dynamic VM and policy consolidation, and formulate the Policy-VM Consolidation (PVC) problem, which is shown to be NP-Hard. While there has been significant research in policy and VM management, they have so far been treated as disjoint research problems. It is reported that the inefficient management of network policies accounts for 78% of DC downtime, challenged by the dynamically changing network characteristics and by the effects of dynamic Virtual Machine (VM) consolidation. In modern Cloud Data Centers (DC)s, correct implementation of network policies is crucial to provide secure, efficient and high performance services for tenants.
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