denver vmug nov 2011
DESCRIPTION
Presentation for the Denver VMware User Group on vSphere 5TRANSCRIPT
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What’s new in vSphere 5?
Dan BrinkmannSolutions Architect at Lewan & Associates
http://blog.lewan.com / Twitter: @dbrinkmann
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ABOUT LEWAN
• Customer-focused
• Superb engineering talent
• Cross technology offerings and options
• Local talent and solutions, global strength
• Process driven
• Satisfaction guaranteed
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TECHNOLOGY SOLUTIONS Innovative and reliable IT solutions are in our DNA.
Data Centerblade systems, stand-alone servers, server virtualization, range of operating systems, information lifecycle management, SAN/NAS, storage management, data de-duplication, backup/recovery, archival, tape libraries
Networkvoice over IP, call center, routing/switching, telepresence/collaboration, wan acceleration, circuits, wireless, firewalls, VPN, access control, IDS/IPS
Application Delivery & Applicationsbusiness productivity applications, email, directory services, file/print, desktops, laptops, desktop virtualization, thin clients, mobility, anti-virus, anti-spam
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•ESXi only
•ESXi CLI
•New virtual machine format
•Auto deploy
•Storage DRS
•Profile-driven storage
•VMFS 5
•SIOC for NFS
Some of vSphere 5 changes
• New VAAI primitives
• vDS (span, LLDP, netflow)
• NIOC enhancements
• Rewrite of HA
• vMotion / DRS enhancements
• ESXi firewall
• vSphere web client
• vCenter linux appliance
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• Convergence of the platform on ESXi
• No more service console
• Thin architecture
• Smaller security footprint
• Streamlined deployment and configuration
• Simplified patching and updating model
ESXi Only
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• ESXi Shell
• Rebranded Tech Support Mode
• Local 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
ESXi CLI Components
• vMA• vCLI Appliance
• PowerCLI• Windows CLI Tool
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vSphere 5.0 CLI Compatibility
1. ‘esxcfg’ commands deprecated in 5.0 (replaced with esxcli)
2. ‘esxcli’ in 4.x is *not* backward compatible with 5.0
3. ‘vicfg’ used for remote CLI only
Commands Run Local Run Remote ESX/ESXi 4.x ESXi 5.x
esxcfg1 Yes No Yes No
esxcli2 Yes Yes No Yes
vicfg3 No Yes Yes Yes
vmware-cmd Yes Yes Yes Yes
vmkfstools Yes Yes Yes Yes
PowerCLI No Yes Yes Yes
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• 3-D graphics for Windows Aero
• USB 3.0 devices
• Support for 32 vCPU and 1TB RAM
• Multi-core vCPU support (licensing)
• If using vCD check this link: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2005932
• Upgrade VM tools then upgrade virtual hardware
New VM format (version 8)
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• 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 backup
Auto Deploy
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• Storage DRS provides the following:
• Initial Placement of VMs and VMDKS based on available space and I/O capacity.
• Load balancing between datastores in a datastore cluster via Storage vMotion based on storage space utilization.
• Load balancing via Storage vMotion based on I/O metrics, i.e. latency.
• Storage DRS also includes Affinity/Anti-Affinity Rules for VMs & VMDKs
Storage DRS
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VMFS 5
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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• Adds support for NFS when using Storage I/O Control
• Delivers same benefits now for NFS as existed in 4.1 for iSCISI and FC
SOIC for NFS
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• New primitives for VAAI NAS (Full File Clone and Reserve Space/thick VMDK) – note not shipped with ESXi 5.0
• Write Same, ATS, and Full Copy now fully T10 compliant in ESXi 5.0
• New VAAI UnMap – dead space reclamation, monitoring of space – Currently recommended to disable http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2007427
New VAAI primitives
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• LLDP – standard based vendor neutral discovery protocol
• Netflow – collects IP traffic information, inter & intra VM
• Port Mirror – (SPAN) overcomes limitation of promiscuous mode
• NOIC at VM level – create VM resource groups
Virtual Distributed Switch
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• Network I/O control is a traffic management feature of vSphere Distributed Switch (vDS)
• In a consolidated IO (10 gig) deployments this feature allows customer to
• Allocate Shares and Limits to different traffic types.
• Provide Isolation
• One traffic type should not dominate others
• Guarantee Service Levels when different traffic types compete
• Enhanced Network I/O Control — vSphere 5.0 builds on previous versions of Network I/O Control feature by providing
• User-defined network resource pools
• New Host Based Replication Traffic Type
• QoS tagging
NOIC
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NOIC
VMRG2
VMRG1
VMRG3
Network IO Control
VM
FT vMotion NFS
VMWare vNetwork Distributed Switch
TCP/IP
iSCSI
10 GigE
Total BW
VMOT ION
NFS
FT
iSCS I
HBR
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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
A fun read http://www.yellow-bricks.com/vmware-high-availability-deepdiv/
High Availability
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• Every host runs a agent
• Referred to as ‘FDM’ or Fault Domain Manger
• One of the agents within the cluster is chosen to assume the role of the Master
• There 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
High Availability
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• Multi-NIC support – up to four 10Gbps or sixteen 1Gbps
• Support for higher latency networks – up to ~10ms
• DRS support Agent VMs and special handling of them
vMotion & DRS
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• Service oriented stateless firewall, restrict access to services based on IP/subnet
• GUI for configuring firewall on ESXi 5.0 similar to classic ESX firewall
• Host profile support for the ESXi 5.0 firewall
• Upgrades from Classic ESX to ESXi 5.0 will have firewall settings preserved
ESXi Firewall
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vSphere Web Client
vCenter in either single or Linked mode operation
The Query Service obtains live data from
the core vCenter Server process
Application Server that provides a scalable back end
Flex ClientBack End
vCenter
Query Service
The vSphere Web Client runs within a browser
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• Pre-packaged 64 bit app running on SLES 11
• Optional support for remote Oracle DB
• Embedded DB – 5 hosts/50VMs
• External DC - <300 hosts/<3000VMs
• No support for: Linked mode (requires ADAM), IPv6, vCenter Heartbeat, View Composer
vCenter Linux Appliance
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• Dump Collector
• Syslog server
Not to be missed
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• ESXi 3.5-4.1 http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&docTypeID=DT_KB_1_1&externalId=1021801
• ESXi 5.0 http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&docTypeID=DT_KB_1_1&externalId=2004201
• Syslog is what “I” would use
• Enabling syslog on ESXi 3.5 and 4.x http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1016621
• Enabling syslog on ESXi 5.0 http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2003322
vSphere logging
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This was not a comprehensive list, check out
http://blogs.vmware.com/vsphere/2011/08/vsphere-50-features.html
http://www.virtuallyghetto.com/2011/08/duncans-50-out-of-140-vsphere-5.html
http://blog.lewan.com