Tag Archives: Microsoft
Exam 70–659 Revision Notes — Module 4
Time for a review of Module 4 — Ensuring High Availability and Recoverability This module mainly concentrates on Backup and Restore, Failover Clustering and VM Migration.
Failover Clustering & Hyper-V
The Failover Clustering feature enables you to create and manage failover clusters. A failover cluster is a group of independent computers that work together to increase the availability of applications and services. The clustered servers (called nodes) are connected by … Continue reading
Volume Shadow Copy Service (VSS)
Hyper-V uses the Volume Shadow Copy Service (VSS) to backup and restore virtual machines (VMs). If the backup (volume snapshot) integration services are installed in the guest operating system, a VSS requester is installed that will allow VSS writers in … Continue reading
Exam 70–659 Revision Notes — Module 3
Time for a review of Module 3 — Managing and Monitoring Virtual Environments This module mainly concentrates on System Center Virtual Machine Manager (SCVMM) and its features.
Managing Hyper-V Virtual Machine Snapshots
Once you create snapshots, they can be viewed in the Snapshots pane of the the Hyper-V Manager. Within Hyper-V Manager, you can perform a number of actions on the snapshots:
Hyper-V — Child Network Adapters
Hyper-V supports synthetic and emulated network adapters in virtual machines, but the synthetic devices offer significantly better performance and reduced CPU overhead. Synthetic Adapters Emulated Adapters No Physical Device Communicates via VMBus to vmswitch,sys Does not support PXE Boot Significantly higher … Continue reading
The iscsicli.exe Command
iscsicli.exe is the command line interface for the Microsoft iSCSI Software Initiator and can be used to configure and login to iSCSI target devices. In the full versions of Windows Server 2008 R2 everything can be performed using the GUI, … Continue reading
Microsoft Multipath I/O (MPIO)
The Microsoft Multipath I/O (MPIO) framework provides multiple paths for read and write functions to your storage device and is built into Windows Server 2008 R2. MPIO provides redundant failover and load-balancing support for disks or LUNs. The multiple paths can … Continue reading
Hyper-V VLANs
A VLAN ID is the integer which uniquely identifies a node as belonging to a particular VLAN. As per the 802.1Q specification, the VLAN ID itself is encapsulated within the Ethernet frame, which is how multiple VMs using the same … Continue reading
Hyper-V MAC Addresses
When a new virtual machine is created, the MAC address for it is either taken from a MAC address pool on the Hyper-V server or from the SCVMM server.
