Vmware, Inc.

Swathi Koundinya

Kinshuk Govil

Gagandeep Singh Arneja

Ali Mashtizadeh

Gregory Hutchins

Patrick Tullmann

Persistent data, such as disks associated with virtual machines, are migrated between and across data stores using mirrored input-output operations (IOs). The migration technique employs a data mover to copy selected regions of the virtual machine disk to a target data store while the virtual machine is executing. If the virtual machine issues a write IO, the write IO is selectively mirrored on the target data store depending on whether or not the write IO is in a region of the virtual machine disk that has already been copied.

Live migration of virtual machine persistent data using mirrored input-output operations

In one approach, a method is described of generating an interface for an operating system kernel. The method calls for creating an input file, where the input file includes a node structure for the interface. A kernel component of the interface is generated from the input file. A user space component of the interface is also generated from the input file.

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Sunnyvale, CA, United States of America

Swathi Koundinya