发明授权
US09454487B2 Transparent host-side caching of virtual disks located on shared storage
有权
位于共享存储上的虚拟磁盘的透明主机侧缓存
- 专利标题： Transparent host-side caching of virtual disks located on shared storage
- 专利标题（中）： 位于共享存储上的虚拟磁盘的透明主机侧缓存
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申请号： US13922985申请日： 2013-06-20
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公开(公告)号： US09454487B2公开(公告)日： 2016-09-27
- 发明人: Thomas A. Phelan , Mayank Rawat , Deng Liu , Kiran Madnani , Sambasiva Bandarupalli
- 申请人： VMware, Inc.
- 申请人地址： US CA Palo Alto
- 专利权人： VMware, Inc.
- 当前专利权人： VMware, Inc.
- 当前专利权人地址： US CA Palo Alto
- 主分类号： G06F12/08
- IPC分类号： G06F12/08 ; G06F9/455
摘要：
Techniques for using a host-side cache to accelerate virtual machine (VM) I/O are provided. In one embodiment, the hypervisor of a host system can intercept an I/O request from a VM running on the host system, where the I/O request is directed to a virtual disk residing on a shared storage device. The hypervisor can then process the I/O request by accessing a host-side cache that resides one or more cache devices distinct from the shared storage device, where the accessing of the host-side cache is transparent to the VM.
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