Windows 8 Hyper-V: Availability

• Statements about capabilities or benefits are subject to change

• Packaging and licensing have not yet been determined

• Any concepts shown are for illustration purposes only

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MISSION CRITICAL WORKLOADS

Windows Server 8 – Developer Preview

MEMORYSTORAGE NETWORKPROCESSOR

FLEXIBLE

Windows Server 8 – Developer Preview

High Medium Low

• VM Health Monitoring detection inside virtual machine

• Clustering in the host identifies app failures and takes recovery action

1. Host level HA recovery

• Failover Clustering fails over VM to another node

2. Guest level HA recovery

• Failover Clustering Reboots VM

3. Application level recovery

• Service Control Manager (SCM) or event triggered

• Generic health monitoring for any application

– Monitor services through Service Control Manager

– Generation of specific Event ID’s• ISV opportunity to leverage GuestSetCriticalState() with to integrate 3rd party

application monitoring solutions in the VM

APP

Windows Server 8 – Developer Preview

Windows Server 8 – Developer Preview

According to Gartner about 1/3 companies use outside

companies to dispose of PCs & Servers

ENCRYPTED CLUSTER VOLUMES

Windows Server 8 – Developer Preview

Windows Server 8 – Developer Preview

Hyper-V Replica

Affordable

Simple to configure

Works with your current hardware

Comes in the box in Windows 8

Single wizard setup

All you need is two connected servers

No Guest dependencies

Windows Server 8 – Developer Preview

Demo

DISASTER RECOVERY FOR EVERYONE

Windows Server 8 – Developer Preview

• Yes! NIC Teaming is supported with the

Hyper-V Extensible Switch

Windows Server 8 – Developer Preview

Root Partition

Extensible Switch

Extension Protocol

Extension Miniport

Capture Extensions

WFP Extensions

Filtering Extensions

Forwarding Extensions

Team NIC

Physical NICPhysical NIC Physical NIC

Host NICVM NIC

VM1

VM NIC

VM2

Windows Server 8 – Developer Preview

Host 1

Extensible Switch

Extension Protocol

Extension Miniport

Extension A

Host 2

Extensible Switch

Extension Protocol

Extension Miniport

Extension A

VMConfiguration

Runtime State

Windows Server 8 – Developer Preview

Virtual Machine

Network Stack

Software NIC

• Enable IOV (VM NIC Property)

• Virtual Function is “Assigned”

• “NIC” automatically created

• Traffic flows through VF

Turn On IOV• Switch back to Software path • Reassign Virtual Function

• Assuming resources are available

• Migrate as normal

Live Migration Post Migration

• Remove VF from VM

VM has connectivity even if

• Switch not in IOV mode

• IOV physical NIC not present

• Different NIC vendor

• Different NIC firmware

SR-IOV Physical NICPhysical NIC

Software Switch

(IOV Mode)

SR-IOV Physical NIC

• Software path is not used

Virtual Function

“NIC”

Software NIC

Virtual Function

Software Switch

(IOV Mode)

“NIC”

Fibre Channel from the guest

• Guest Clustering• Cluster service runs inside a VM

• Apps and services inside the VM are managed by the cluster

• Apps move between clustered VMs

• Historically required iSCSI shared storage

• New virtual “Fiber Channel Adapter”• Up to four virtual HBAs assigned to each guest

• WWNs assigned to each virtual HBA

Fiber Channel

Cluster

STORAGE

DSM Host MPIO

DSM Guest MPIO

Demo

ARCHITECTURE

Green = Storage

Blue = Networking

Shared Storage: SAS, iSCSI, FC or SMB

Cluster

Node 1 Node 2

ARCHITECTURE

Windows Server 8 – Developer Preview

Host 1 Host 2

SMB File Server

ARCHITECTURE

Windows Server 8 – Developer Preview

Storage 1 Storage 2

Hyper-V Server

Destination Device

Hyper-V Server

Virtual Machine

VHD VHD

VHD Stack

1

23

45

Source Device

1. Reads and writes go to

VHD on Source device

2. VHD is copied from

Source to Destination

device

3. After copying, mirror

writes to Source and

Destination

4. After Source and

Destination storage are

synchronized, transfer

access to the VHD to the

Destination device

5. VHD from Source device

is deleted

Windows Server 8 – Developer Preview

ARCHITECTURE

Windows Server 8 – Developer Preview

Blue = Networking

Host 1 Host 2

No Shared Storage

Demo

MOBILITY WITHOUT LIMITS

Windows Server 8 – Developer Preview

Windows Server 2008 Windows Server 2008 R2Windows Server 8

Developer Preview

Live MigrationNo, Quick Migration one at

a timeYes, one at a time

Yes, with no limits. As

many as hardware will

allow

Live Migration Storage

RequirementsSAN required SAN required Any Storage Solution

Live Migration Shared

StorageiSCSI, Fiber Channel or SAS iSCSI, Fiber Channel or SAS

iSCSI, Fiber Channel, SAS

or SMB

Live Storage MigrationNo. Quick Storage Migration

via SCVMM

No. Quick Storage Migration

via SCVMM

Yes, with no limits. As

many as hardware will

allow

Live Migration Between

ClustersNo No Yes

Disaster Recovery• Hyper-V Replica for Asynchronous Replication

• Integration with Storage Arrays for Synchronous Replication

Application/Service Failover

• Non-Cluster Aware Apps: Application Health detection

• VM Guest Cluster: iSCSI, Fiber Channel, FCoE

• VM Guest Teaming of SR-IOV NICs

I/O Redundancy

• Network Load Balancing & Failover via Windows NIC Teaming

• Storage Multi-Path IO (MPIO)

• Multi-Channel SMB

Node Redundancy• Live Migration for Planned Downtime

• Failover Cluster for Unplanned Downtime

Hardware Fault • Windows Hardware Error Architecture (WHEA)/RAS