Migrating from VMware to Nutanix or operating both platforms within the same environment can present challenges for architects, engineers, and infrastructure teams. The terminology, management tools, storage architecture, networking capabilities, and disaster recovery features are similar in some areas but differ significantly in others.
This blog
provides a practical reference for mapping common Nutanix components to their
closest VMware equivalents. It is designed to support migration planning,
hybrid environments, technical training, and day-to-day operational support.
Important: These mappings are functional
comparisons rather than exact one-to-one replacements. Individual VMware and
Nutanix products often provide different capabilities, architectures, and
licensing models.
Quick
Component Mapping
|
VMware Component |
Nutanix Equivalent / Capability |
Primary
Function |
|
vCenter Server |
Prism Central |
Centralized
management and administration |
|
ESXi |
AHV |
Virtualization
/ hypervisor layer |
|
vSAN |
Nutanix Distributed Storage Fabric /
AOS |
Distributed,
software-defined storage |
|
NSX |
Nutanix Flow |
Network
security and microsegmentation |
|
vSphere Replication |
Nutanix Protection Domains |
VM and data
replication |
|
Site Recovery Manager (SRM) |
Nutanix Disaster Recovery / Leap
capabilities |
Disaster
recovery orchestration |
|
Aria Operations |
Prism Central operations and analytics |
Monitoring,
analytics, and capacity management |
VMware vCenter Server vs. Nutanix Prism Central
VMware
vCenter Server provides
centralized management of vSphere environments, including ESXi hosts, virtual
machines, clusters, resource pools, and associated infrastructure.
Nutanix
Prism Central
provides centralized management for Nutanix environments across multiple
clusters. It extends beyond basic VM administration with capabilities for
monitoring, capacity planning, analytics, automation, and centralized
infrastructure management.
While Prism
Central and vCenter serve a similar management role, they are not
architecturally identical and should be viewed as functional equivalents
rather than direct replacements.
Hypervisor:
VMware ESXi vs. Nutanix AHV
VMware
ESXi is the
hypervisor used to run virtual machines within a VMware vSphere environment.
Nutanix
AHV is Nutanix's
integrated hypervisor, based on the Linux KVM virtualization technology. AHV is
tightly integrated with the Nutanix platform and is managed through Prism.
For
organizations migrating from VMware, AHV can eliminate the requirement for a
separate third-party hypervisor platform while providing integrated
virtualization, storage, and management capabilities.
Phased
Migration Option
Nutanix
environments can also support VMware ESXi, allowing organizations to
deploy VMware workloads on Nutanix infrastructure before migrating those
workloads to AHV.
This can be
useful when a migration needs to occur in stages:
Existing
VMware environment → VMware on Nutanix → AHV
This approach
can allow the infrastructure migration and hypervisor migration to be treated
as separate projects.
Storage:
VMware vSAN vs. Nutanix Distributed Storage
VMware
vSAN provides
software-defined, hyperconverged storage integrated with vSphere. It aggregates
local storage devices across ESXi hosts and presents that capacity as shared
storage for virtual machines.
On Nutanix,
the comparable storage functionality is provided by the Nutanix distributed
storage architecture, powered by AOS. Storage is distributed across the
nodes within a Nutanix cluster, providing resiliency, performance, data
management, and VM storage services.
A key
terminology distinction is important:
AOS is not
the Nutanix filesystem.
AOS, or Acropolis
Operating System, is the software platform that provides the underlying
Nutanix cluster and storage functionality. Nutanix Files is a separate
file-services capability that provides enterprise SMB and NFS file services.
Therefore,
the more accurate comparison is:
VMware
vSAN → Nutanix Distributed Storage / AOS
rather than:
VMware
vSAN → Nutanix Filesystem
Networking
and Security: VMware NSX vs. Nutanix Flow
VMware NSX provides extensive network
virtualization and security capabilities, including virtual networking,
overlays, distributed firewalling, microsegmentation, and other advanced
network functions.
Nutanix
Flow provides network
security and microsegmentation capabilities integrated with the Nutanix
management ecosystem.
Flow is
therefore a useful comparison when discussing microsegmentation and workload
security, but it should not be considered a complete one-to-one replacement
for every NSX capability.
During
migration planning, networking requirements should therefore be assessed
individually, including:
- VLAN and subnet design
- Distributed switching
- Routing
- Overlay networking
- Firewall policies
- Microsegmentation
- Load balancing
- Network security
Replication
and Disaster Recovery
VMware
vSphere Replication and SRM
A VMware
environment commonly uses:
- vSphere Replication for VM-level replication
- Site Recovery Manager (SRM) for disaster recovery
orchestration, recovery plans, and automated failover
Nutanix
Replication and Disaster Recovery
Nutanix
provides native replication and data-protection capabilities that can be used
to replicate workloads between Nutanix clusters.
Historically,
Protection Domains were a key component of the Nutanix data-protection
architecture, providing capabilities for grouping workloads and managing
snapshots and replication.
Nutanix disaster recovery capabilities can then provide orchestration and automation for recovery operations.
Monitoring
and Operations: VMware Aria Operations vs. Nutanix Prism
VMware
Aria Operations
provides monitoring, analytics, capacity management, dashboards, performance
analysis, and operational insights across VMware environments.
Nutanix
provides comparable operational and analytical capabilities through Prism
Central and its associated monitoring and analytics functionality.
Common areas
to compare include:
- Performance monitoring
- Capacity forecasting
- Resource utilization
- Anomaly detection
- VM health
- Cluster health
- Capacity planning
- Operational dashboards
- Alerting and reporting
Again, these
should be considered functional comparisons rather than exact product
replacements.
1.
Migration Planning
Use the
mappings as a starting point when assessing how an existing VMware architecture
could be implemented on Nutanix.
Rather than
simply replacing each VMware product with a Nutanix product, document the business
and technical requirement behind each component.
For example:
Requirement: Microsegment application workloads.
VMware
implementation: NSX
distributed firewall and microsegmentation.
Potential
Nutanix implementation:
Flow-based microsegmentation.
This approach
avoids assuming feature parity where it does not exist.
2. Hybrid
Operations
Organizations
may operate VMware and Nutanix environments simultaneously during a migration.
Understanding
the functional relationship between platforms helps infrastructure teams
manage:
- VMware on existing infrastructure
- VMware running on Nutanix
infrastructure
- AHV environments
- Shared backup and DR strategies
- Network connectivity
- Monitoring and operations
3.
Engineer Upskilling
Engineers
moving from VMware to Nutanix can use the mappings to understand the Nutanix
terminology while retaining their existing knowledge of virtualization
concepts.
The most
useful approach is to learn the underlying architecture and workflows,
rather than memorizing product-to-product translations.
Example:
Migrating a vSphere Environment to Nutanix
Consider an
existing VMware environment consisting of:
- ESXi hosts
- vCenter Server
- vSAN
- NSX
- vSphere Replication
- Site Recovery Manager
A simplified
Nutanix target architecture could look like this:
|
Existing VMware Environment |
Potential Nutanix Architecture |
|
ESXi hosts |
AHV hosts
or ESXi running on Nutanix infrastructure |
|
vCenter Server |
Prism Central |
|
vSAN |
Nutanix Distributed Storage / AOS |
|
NSX microsegmentation |
Nutanix Flow |
|
vSphere Replication |
Nutanix native replication |
|
SRM |
Nutanix disaster recovery orchestration |
However,
before beginning the migration, each component should be assessed individually.
For example:
VMware
networking → Nutanix networking
should not
simply be treated as:
NSX → Flow
The migration
team should first identify which NSX functions are actually being used and then
determine how each requirement will be implemented on the Nutanix platform.
Final
Takeaway
The
VMware-to-Nutanix component mappings provide a useful starting point, but there
is no universal one-to-one translation between the two platforms.
The most
important comparisons are:
For a
successful migration, the goal should not be to reproduce the VMware
architecture component-for-component. Instead, identify the services,
capabilities, dependencies, and operational outcomes provided by the existing
VMware environment and then design the appropriate Nutanix architecture to
deliver those outcomes.
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