Viral Sharma | Senior Manager, Verification IP
Synopsys
Viral Sharma is a Senior Manager in the Verification IP team at Synopsys leading teams focused on NVMe Verification IP and GenAI-based verification automation. His current focus is on NVMe’s evolving role in AI compute infrastructure – enabling high throughput, low latency storage critical for GPU clusters, large scale data pipelines, and AI training workloads.
Appearances:
Future of Memory and Storage - Day 2 @ 16:05
NVMe Live Migration: Enabling Seamless Controller Mobility in Cloud and Datacenter Infrastructure
The NVMe Live Migration capability (TP 4159) represents a significant advancement in storage virtualization, enabling transparent migration of NVMe controllers between NVM subsystems while actively processing host commands—a critical requirement for modern cloud and datacenter infrastructure. This presentation will explore the Host-Managed Live Migration architecture, including the newly defined commands: Track Send/Receive for monitoring user data and host memory changes, Migration Send/Receive for suspending, resuming, and transferring controller state, and the Controller Data Queue mechanism for efficient change logging.
Key topics include:
- Migration workflow: How Migration Management Hosts (MMH) and Migration Management Controllers (MMC) coordinate seamless transitions
- State transfer mechanisms: Controller state formats, versioning, and cross-subsystem compatibility
- Change tracking: Real-time monitoring of namespace modifications and host memory updates during active I/O
- Industry use cases: Virtual machine mobility, hardware maintenance without downtime, and workload balancing
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