Post on 06-May-2015
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Vsphere 5Marco van der Hart Sales Specialist ttec
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Vsphere 5vSphere 5.0 – What’s New01
HIGH-PERFORMANCE AND EFFICIENT IT SYSTEMS
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Vsphere 5vSphere 5 core component01
vSphere 5.0 CLI Components
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ESXi ShellRebranded Tech Support ModeLocal and remote (SSH)
vCLI‘esxcli’ Command Set
Local and remote CLI New and improved in 5.0
‘vicfg’ Command Set Remote CLI Only
Other Commands: vmware-cmd, vmkfstools, etc.
vCLI available for Linux and Windows vMA
vCLI Appliance PowerCLI
Windows CLI Tool
ESXi Shell vCLI
vMA PowerCLI
What is Auto Deploy
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• New host deployment method introduced in vSphere 5.0• Based on PXE Boot • Works with Image Builder, vCenter Server, and Host Profiles• How it works:
•PXE boot the server•ESXi image profile loaded into host memory via Auto Deploy Server•Configuration applied using Answer File / Host Profile•Host placed/connected in vCenter
• Benefits•No boot disk•Quickly and easily deploy large numbers of ESXi hosts•Share a standard ESXi image across many hosts•Host image decoupled from the physical server
• Recover host w/out recovering hardware or having to restore from backup11.04.2023 © 2012 ttec computer B.V. / transtec AG
New Virtual Machine Features
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vSphere 5.0 supports the industry’s most capable virtual machines
Other new features
VM Scalability
Broader Device Coverage
32 virtual CPUs per VM
Client-connected USB devices
USB 3.0 devices Smart Card Readers for
VM Console Access
UI for multi-core virtual CPUs
Extended VMware Tools compatibility
1TB RAM per VM 4x previous capabilities!
Support for Mac OS X servers
Richer Desktop Experience
3D graphics
VM BIOS boot order config API and PowerCLI interface
EFI BIOS
Items which require HW version 8 in Italics
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vSphere HA Primary Components
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Every host runs an agent Referred to as ‘FDM’ or Fault Domain Manger One of the agents within the cluster is chosen to
assume the role of the MasterThere is only one Master per cluster during normal operations
All other agents assume the role of Slaves
There is no more Primary/Secondary concept with vSphere HA
FDM FDM
FDM FDM
vCenter
ESX 02
ESX 01 ESX 03
ESX 04
FDM
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vCenter Communications
FDM FDM
FDM FDM
vCenter
ESX 01 ESX 03
ESX 04
VC communicates with the Master primarily Once a Master is elected and contacts vCenter, vCenter
sends a compatibility list to the Master. The Master saves this on a local disk, then pushes it out to the other hosts in the cluster.
vCenter also communicates with the Master to update changes to VM states and configuration information.
vCenter may communicate to the Slaves in certain situations, such as:• Scanning for a existing Master
• If the Master states that it cannot reach a Slave. In this case, vCenter will try to contact the Slave to determine why.
• When powering on a FT Secondary VM
• When host is reported isolated or partitioned.
ESX 02
FDM
FDM FDM
FDM FDM
vCenter
ESX 02
ESX 01 ESX 03
ESX 04
FDM
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Storage Level Communications
FDM FDM
FDM FDM
vCenter
ESX 02
ESX 01 ESX 03
ESX 04
FDM
One of the most exciting new features of vSphere HA is its ability to use a storage subsystem for communication.
The datastores used for this are referred to as ‘Heartbeat Datastores’.
This provides for increased communication redundancy.
Heartbeat datastores are used as a communication channel only when the management network is lost - such as in the case of isolation or network partitioning.
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Networking Section03
New Networking Features
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• Two broad categories of features
• Network Discovery and Visibility/Monitoring features• LLDP• NetFlow• Port Mirror
• IO Consolidation (10 Gig) related features • New traffic types
• User Defined Network Resource Pool ( VM traffic )• Host Based Replication traffic
• 802.1p Tagging (QoS)
• TCP IP stack improvement• Vmknics will see following improvement
• Higher throughput with small messages• Better IOPs scaling for iSCSI traffic
Network I/O Control Enhancements – User-defined Network RP
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vStorageWhat’s New in vStorage03
Introduction to VMFS-5
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• Enhanced Scalability• Increase the size limits of the filesystem & support much larger single extent
VMFS-5 volumes.
• Support for single extent 64TB Datastores
Better Performance Uses VAAI locking mechanism with more tasks
Easier to manage and less overhead Space reclamation on thin provisioned LUNs Smaller sub blocks Unified Block size
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VMFS-5 vs VMFS-3 Feature comparison
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Feature VMFS-3 VMFS-5
2TB+ VMFS Volumes Yes (using extents)
Yes
Support for 2TB+ Physical RDMs No Yes
Unified Block size (1MB) No Yes
Atomic Test & Set Enhancements(part of VAAI, locking mechanism)
No Yes
Sub-blocks for space efficiency 64KB (max ~3k) 8KB (max ~30k)
Small file support No 1KB
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VMFS-3 to VMFS-5 Upgrade
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• The Upgrade to VMFS-5 is clearly displayed in the vSphere Client under Configuration -> Storage view.
• It is also displayed in the Datastores -> Configuration view.
• Non-disruptive upgrades.
VAAI - Introduction
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• vStorage API for Array Integration = VAAI
• VAAI’s main purpose is to leverage array capabilities
• Offloading tasks to reduce overhead• Benefit from enhanced mechanisms arrays
mechanisms
• The “traditional” VAAI primitives have been improved
• We have introduced multiple new primitives
• Support for NAS!
Application
Hypervisor
Fabric
Array
LUN01
LUN02
VAAI
Non-VAAI
VI-3
Storage vMotion - Introduction
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In vSphere 5.0, a number of new enhancements were made to Storage vMotion. Storage vMotion will work with Virtual Machines that have snapshots,
which means coexistence with other VMware products & features such as VCB, VDR & HBR.
Storage vMotion will support the relocation of linked clones. Storage vMotion has a new use case – Storage DRS – which use Storage
vMotion for Storage Maintenance Mode & Storage Load Balancing (Space or Performance).
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vCenter serverWhat’s New in vCenter Server04
What’s New in vCenter Server
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The vSphere Web Client is tailored to met the needs of VM Administrators in the first release. This includes: VM Management
VM ProvisioningEdit VM, VM power ops, Snapshots, MigrationVM Resource ManagementView all vSphere objects (hosts, clusters, datastores, folders, etc)
Basic Health Monitoring Viewing the VM console remotely Search through large, complex environments
Save search queries, and quickly run them to find detailed information vApp Management
vApp Provisioning, vApp Editing, vApp Power Operations
Configuration
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Release Enhancement Summary
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Complete re-write of vSphere HA
Provides a foundation for increased scale and functionality Eliminates common issues (DNS resolution)
Multiple Communication Paths Can leverage storage as well as the mgmt network for communications Enhances the ability to detect certain types of failures and provides redundancy
IPv6 Support
Enhanced Error Reporting One log file per host eases troubleshooting efforts
Enhanced User Interface
Enhanced Deployment Mechanism