Technical Insights

eEVOS – VM Live Migration – Flexible Virtual Machine Mobility Without Downtime

eEVOS Live Migration allows you to move running virtual machines seamlessly — without any interruption to services or user access. Whether you’re balancing workloads, maintaining hardware, or reorganizing your infrastructure, eEVOS ensures that your VMs remain fully operational throughout the migration process.

eEVOS supports multiple live migration scenarios:

1. Host-to-Host Live Migration

Move running virtual machines between hosts in the same eEVOS cluster without shutting them down. This is ideal for:

  • Performing maintenance on a physical host
  • Dynamically balancing workloads across the cluster
  • Preparing for hardware upgrades without service interruption

2. Live Storage Migration

Relocate a VM’s virtual disks to a different storage pool — even while the VM is running. This provides flexibility in:

  • Optimizing storage performance
  • Migrating data off failing or near-capacity drives
  • Consolidating or restructuring storage layout

3. Cross-Cluster / Cross-Installation Migration

Transfer VMs between separate eEVOS installations with minimal downtime. While this process requires a short pause during the handover, it enables:

  • Staged migrations between data centers or locations
  • Moving workloads to new hardware without full redeployment
  • Creating hybrid environments across multiple eEVOS setups

Benefits of Live Migration in eEVOS

  • No Service Disruption – VMs stay online and responsive during migration
  • Maximum Flexibility – Reorganize infrastructure as your needs evolve
  • Zero-Downtime Maintenance – Perform updates without affecting availability
  • Integrated Management – All migration options are accessible via the intuitive eEVOS web interface
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