Using a VNXe System with Microsoft Windows Hyper-V - EMC ...
Using a VNXe System with Microsoft Windows Hyper-V - EMC ... Using a VNXe System with Microsoft Windows Hyper-V - EMC ...
Setting Up a Host to Use VNXe Hyper-V StorageRequirements for setting up a host to use VNXe Hyper-V storageVNXe system requirementsBefore you set up a host to use VNXe Hyper-V storage, the VNXe system and networkrequirements in described this section must be met.◆◆You have installed and configured the VNXe system using the VNXe ConfigurationWizard, as described in “Installing Your VNXe3100 Hardware” or “Installing YourVNXe3300 Hardware.”You have used Unisphere or the VNXe CLI to perform basic configuration of one ormore iSCSI Servers on the VNXe system.Network requirementsPath management network requirementsFor a host to connect to Hyper-V storage on a VNXe iSCSI Server, the host must be in anetwork environment with the VNXe iSCSI Server; to achieve best performance, the hostshould be on a local subnet with each VNXe iSCSI Server that provides storage for it. For aWindows multi-pathing environment, each VNXe iSCSI Server providing Hyper-V storagefor the host, must have two IP addresses associated with it. These two addresses shouldbe on different subnets to ensure high availability.To achieve maximum throughput, connect the VNXe iSCSI Server and the hosts for which itprovides storage to their own private network, that is, a network just for them. Whenchoosing the network, consider network performance.Note: Path management software is not currently supported for a Windows 7 or Mac OShost connected to a VNXe system.When implementing a highly-available network between a host and the VNXe system,keep in mind that:◆◆◆A VNXe Hyper-V datastore is presented to only one SP at a given timeYou can configure two IP interfaces for an iSCSI Storage Server. These IP interfacesshould be associated with two separate physical interfaces on the same SP.Network switches may be on separate subnets.IMPORTANTDirectly attaching a host to a VNXe system is not currently supported.Figure 1 shows a highly-available iSCSI network configuration for hosts accessing a VNXestorage resource (Hyper-V datastore). Switch A and Switch B are on separate subnets. HostA and Host B can each access the storage resource through separate NICs. If the storageresource is owned by SP A, the hosts can access the storage resource through the paths tothe eth2 interface on SP A. Should SP A fail, the VNXe system transfers ownership of theresource to SP B and the hosts can access the storage resource through the paths to theeth2 interface on SP B.10 Using a VNXe System with Microsoft Windows Hyper-V
Setting Up a Host to Use VNXe Hyper-V StorageFigure 1 Sample highly-available iSCSI networkWhat next?Do one of the following:◆◆◆To learn about the EMC Celerra ® VSS Provider for iSCSI for Windows hosts, refer to"EMC VSS Provider overview" on page 11.To use EMC PowerPath ® software or Multiple Connections per Session (MCS) on anyWindows Server 2008 Hyper-V host, refer to "Using multi-path management software"on page 13.To configure the VNXe system, refer to "Configuring VNXe Hyper-V datastores for thehost" on page 15.EMC VSS Provider overviewThe EMC VSS Provider runs as a Windows service and provides the interface between theMicrosoft Volume Shadow Copy Service (VSS) and certain VNXe and other EMC storagefunctionality. The EMC VSS Provider enables VSS requestor applications, such asVSS-enabled backup applications, to make snapshots of VNXe iSCSI virtual disks.Microsoft VSSVSS provides the backup framework for Windows Server 2003 and Windows Server 2008and enables the creation of snapshots (called shadow copies for Microsoft VSS) —point-in-time copies of data. VSS is integrated with front-end applications so they cancreate and access shadow copies.Microsoft VSS shadow copies are:◆Read-only by defaultEMC VSS Provider overview 11
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Setting Up a Host to Use <strong>VNXe</strong> <strong>Hyper</strong>-V StorageFigure 1 Sample highly-available iSCSI networkWhat next?Do one of the following:◆◆◆To learn about the <strong>EMC</strong> Celerra ® VSS Provider for iSCSI for <strong>Windows</strong> hosts, refer to"<strong>EMC</strong> VSS Provider overview" on page 11.To use <strong>EMC</strong> PowerPath ® software or Multiple Connections per Session (MCS) on any<strong>Windows</strong> Server 2008 <strong>Hyper</strong>-V host, refer to "<strong>Using</strong> multi-path management software"on page 13.To configure the <strong>VNXe</strong> system, refer to "Configuring <strong>VNXe</strong> <strong>Hyper</strong>-V datastores for thehost" on page 15.<strong>EMC</strong> VSS Provider overviewThe <strong>EMC</strong> VSS Provider runs as a <strong>Windows</strong> service and provides the interface between the<strong>Microsoft</strong> Volume Shadow Copy Service (VSS) and certain <strong>VNXe</strong> and other <strong>EMC</strong> storagefunctionality. The <strong>EMC</strong> VSS Provider enables VSS requestor applications, such asVSS-enabled backup applications, to make snapshots of <strong>VNXe</strong> iSCSI virtual disks.<strong>Microsoft</strong> VSSVSS provides the backup framework for <strong>Windows</strong> Server 2003 and <strong>Windows</strong> Server 2008and enables the creation of snapshots (called shadow copies for <strong>Microsoft</strong> VSS) —point-in-time copies of data. VSS is integrated <strong>with</strong> front-end applications so they cancreate and access shadow copies.<strong>Microsoft</strong> VSS shadow copies are:◆Read-only by default<strong>EMC</strong> VSS Provider overview 11
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