New directions in traffic measurement and accounting: Focusing on the elephants, ignoring the mice
ACM Transactions on Computer Systems (TOCS)
SnapMirror: File-System-Based Asynchronous Mirroring for Disaster Recovery
FAST '02 Proceedings of the 1st USENIX Conference on File and Storage Technologies
Seamless live migration of virtual machines over the MAN/WAN
Future Generation Computer Systems - IGrid 2005: The global lambda integrated facility
Fast transparent migration for virtual machines
ATEC '05 Proceedings of the annual conference on USENIX Annual Technical Conference
Live migration of virtual machines
NSDI'05 Proceedings of the 2nd conference on Symposium on Networked Systems Design & Implementation - Volume 2
Live wide-area migration of virtual machines including local persistent state
Proceedings of the 3rd international conference on Virtual execution environments
Post-copy live migration of virtual machines
ACM SIGOPS Operating Systems Review
WIOV'08 Proceedings of the First conference on I/O virtualization
Workload-aware live storage migration for clouds
Proceedings of the 7th ACM SIGPLAN/SIGOPS international conference on Virtual execution environments
Pesto: online storage performance management in virtualized datacenters
Proceedings of the 2nd ACM Symposium on Cloud Computing
A hybrid local storage transfer scheme for live migration of I/O intensive workloads
Proceedings of the 21st international symposium on High-Performance Parallel and Distributed Computing
Seagull: intelligent cloud bursting for enterprise applications
USENIX ATC'12 Proceedings of the 2012 USENIX conference on Annual Technical Conference
Romano: autonomous storage management using performance prediction in multi-tenant datacenters
Proceedings of the Third ACM Symposium on Cloud Computing
Optimizing virtual machine live storage migration in heterogeneous storage environment
Proceedings of the 9th ACM SIGPLAN/SIGOPS international conference on Virtual execution environments
Parallelizing live migration of virtual machines
Proceedings of the 9th ACM SIGPLAN/SIGOPS international conference on Virtual execution environments
COMMA: coordinating the migration of multi-tier applications
Proceedings of the 10th ACM SIGPLAN/SIGOPS international conference on Virtual execution environments
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Live migration enables a running virtual machine to move between two physical hosts with no perceptible interruption in service. This allows customers to avoid costly downtimes associated with hardware maintenance and upgrades, and facilitates automated load-balancing. Consequently, it has become a critical feature of enterprise class virtual infrastructure. In the past, live migration only moved the memory and device state of a VM, limiting migration to hosts with identical shared storage. Live storage migration overcomes this limitation by enabling the movement of virtual disks across storage elements, thus enabling greater VM mobility, zero downtime maintenance and upgrades of storage elements, and automatic storage load-balancing. We describe the evolution of live storage migration in VMware ESX through three separate architectures, and explore the performance, complexity and functionality trade-offs of each.