TechMentor 2012: What's new in Windows Server 2012 and Hyper-V
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Windows Server 2012 includes several improvements over previous versions such as support for more virtual processors and memory per virtual machine, unlimited live migration and storage migration, and larger virtual disk sizes up to 64TB. It also includes new features like storage pools, SMB 3.0 file share virtual disks, guest clustering over Fibre Channel, and secure offloaded data transfer.
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TechMentor 2012: What's new in Windows Server 2012 and Hyper-V
- 7. Windows Server 2008 Windows Server 2008 R2 Windows Server 2012 HW Logical Processor 16 LPs 64 LPs 320 LPs Support Physical Memory Support 1 TB 1 TB 4 TB Cluster Scale 16 Nodes up to 1000 VMs 16 Nodes up to 1000 VMs 64 Nodes up to 4000 VMs Virtual Machine Processor Up to 4 VPs Up to 4 VPs Up to 64 VPs Support VM Memory Up to 64 GB Up to 64 GB Up to 1 TB Live Migration Yes, one at a time Yes, one at a time Yes, with no limits. As many as hardware will allow. Live Storage Migration No. Quick Storage No. Quick Storage Yes, with no limits. As many Migration via SCVMM Migration via SCVMM as hardware will allow. Servers in a Cluster 16 16 64 VP:LP Ratio 8:1 8:1 for Server No limits. As many as 12:1 for Client (VDI) hardware will allow.
- 11. • Hyper-V Replica for Asynchronous Replication Disaster Recovery • CSV 2.0 Integration with Storage Arrays for Synchronous Replication • Non-Cluster Aware Apps: Hyper-V App Monitoring Application/Service • VM Guest Cluster: iSCSI, Fiber Channel Failover • VM Guest Teaming of SR-IOV NICs • Network Load Balancing & Failover via Windows NIC Teaming I/O Redundancy • Storage Multi-Path IO (MPIO) • Multi-Channel SMB Physical Node • Live Migration for Planned Downtime Redundancy • Failover Cluster for Unplanned Downtime Hardware Fault • Windows Hardware Error Architecture (WHEA)/RAS
- 15. Windows Server 2008 Windows Server 2008 R2 Windows Server 2012 Live Storage Migration No. Quick Storage No. Quick Storage Yes, with no limits. As Migration via SCVMM Migration via SCVMM many as HW will allow. Storage Pools as low-cost No No Yes alternative to SAN VMs on File Storage No No Yes, SMB 3.0 Guest Fiber Channel No No Yes Virtual Disk Format VHD up to 2 TB VHD up to 2 TB VHD up to 2 TB VHDX up to 64 TB VM Guest Clustering Yes, via iSCSI Yes, via iSCSI Yes, via iSCSI or FC Native 4k Disk Support No No Yes Live VHD Merge No, offline. No, offline. Yes Live New Parent No No Yes Secure Offloaded Data No No Yes Transfer (ODX)
- 16. Creation of a 10 GB Fixed Disk 200 150 ~3 Minutes 100 Time (seconds) 50 0 <1 Second! Average ODX System
- 19. Windows Server 2008 Windows Server 2008 R2 Windows Server 2012 NIC Teaming Yes, via partners Yes, via partners Windows NIC Teaming in box. VLAN Tagging Yes Yes Yes MAC Spoofing Protection No Yes, with R2 SP1 Yes ARP Spoofing Protection No Yes, with R2 SP1 Yes SR-IOV Networking No No Yes Network QoS No No Yes Network Metering No No Yes Network Monitor Modes No No Yes IPsec Task Offload No No Yes VM Trunk Mode No No Yes
- 22. Windows Server 2008 Windows Server 2008 Windows Server 2012 R2 Hyper-V PowerShell No No Yes Network PowerShell No No Yes Storage PowerShell No No Yes SCONFIG No Yes Yes Multi-server management No No Yes with Server Manager Offline Virtual Disk No No Yes servicing in Server Manager Enable/Disable GUI Shell No No Yes, MinShell (Server Core @ OS Setup) (Server Core @ OS Setup)