KVM supports live migration without shared storage

[Sham Arsiwala]

Red Hat will soon offer a new utility for live migration of virtual machines that doesn't require shared storage. The protocol could drive virtualization into new environments such as public cloud computing, where shared storage is not always available, observers said.

This week Red Hat Inc. confirmed that ,in January, its new utility was added to the open source Kernel-based Virtual Machine (KVM). Further, a Red Hat represenative confirmed that graphical user interface support will be added to the forthcoming Red Hat Enterprise Virtualization (RHEV) 3.0.

While the technology has been billed as a way to solve long-standing issues with live migration, such as costly SAN requirements as well as the difficulty of migrating VMs over long distances, details on how the utility actually works, users say, are unclear.

"It looks promising, said Greg Scott, a CTO at Infra Support Etc. Corp., a firewall maker. "But so many times we read a press release only to get excited about an offering that turns out to be vaporware."

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Regards
SHAM P. ARSIWALA.
RedHat Certified Engineer
M.: 9327247499.
ElectroMech Corporation

www.electromech.info