managing esxi anand - vmwaredownload3.vmware.com › ... › track_5 › managing_esxi_anand.pdf ·...
TRANSCRIPT
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Managing VMware ESXiin the Datacenter
Anand ShrivastavaProduct Marketing Manager, VIOctober 6, 2008
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Disclaimer
This session may contain product features that are currently under development.
This session/overview of the new technology represents no commitment from VMware to deliver these features in any generally available product.
Features are subject to change, and must not be included in contracts, purchase orders, or sales agreements of any kind.
Technical feasibility and market demand will affect final delivery.
Pricing and packaging for any new technologies or features discussed or presented have not been determined.
“These features are representative of feature areas under development. Feature commitments are subject to change, and must not be included in contracts, purchase orders, or sales agreements of any kind. Technical feasibility and market demand will affect final delivery.”
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Agenda
VMware ESXi OverviewESXi Getting StartedCase Studies
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VMware ESXi Overview
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What is It ?
VMware ESXi Overview
VMware ESXi
Virtual Machines
Next generation of VMware’s market-leading ESX hypervisor
What does it do?Partitions a server into virtual machinesReduces hardware, power, and cooling with the performance and features of ESX
Who can use it & How do you use it?
What is unique?Plug-and-PlayMinimal configuration. Run VMs in minutes
OS-Independent, thin architectureUnparalleled security and reliability
Full-featuredSuperior consolidation and scalabilityEasy to mange with remote toolsSimple license upgrade to VI3 Enterprise
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Vision: Building Block for the Next-generation Datacenter
Plug-and-Play: Power on a new server with ESXi. The new server joins a clusterSelf-optimizing: All VMs in the cluster are automatically rebalanced taking in consideration the newly available resources
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Servers Shipping with Embedded ESXiDL360 G5 DL365 G5 DL380 G5 DL385 G2
DL385 G5 DL580 G5 DL585 G2 DL585 G5
BL460c
BL465c
BL465c G5
BL480cBL680c G5
BL685c
BL685c G5
1950 III R905R900R8052950 III2900 III M605M600
HS21x3850 RX 300 S4 RX 330 S1
RS210 RS220 120Bb-m6 120Rj-2
ML370 G5
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Servers Qualified for ESXi Installable
HS21x3850 LS21LS41x3455 BX620 S4
90+ Intel ESAA Platforms Variations
Select partners include
Known to work with
� If ESXi is readable by a given server’s CD ROM and installs on the attached hard disk, ESXi (hypervisor) will function on that server
� CIM Provider functionality has not been tested on servers not listed on the ESXiInstallable HCL
DL360 G5 DL365 G5 DL380 G5 DL385 G2
DL385 G5 DL580 G5 DL585 G2 DL585 G5
BL460c
BL465c
BL465c G5
BL480cBL680c G5
BL685c
BL685c G5
ML370 G5
1950 III 2900 III 2950 III R805 R900 R905 M600 M605
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ESXi, ESX Licensing Levels����
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VI Foundation(ESX or ESXi)
VI Standard�������������
VI Enterprise�������������
Core hypervisor functionality � � � �
Virtual SMP � � � �
VMFS � � � �
VirtualCenter Agent � � �
Update Manager � � �
Consolidated Backup � � �
High Availability � �
VMotion �
Storage VMotion �
DRS �
DPM �
The hypervisor is to Virtual Infrastructure what the engine is to a car, or the BIOS to a PC – an enabling component but not the whole solution.
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VMware ESXi Getting Started
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Hardware NeededServer
CPUMinimum: Single socket, dual coreIdeal: Dual-socket, 4 cores per CPU
Memory:Minimum: 1GBIdeal: 8+GB
NetworkMinimum: one NIC, plus one for Management interfaceIdeal: One for Management Interface plus multiple NICs for VMs
StorageLocal Storage (SATA/SAS):
Minimum: one 80GB driveIdeal:2 mirrored drives (only for ESXi Installable)plus 4 RAID5 drives for VMs
Shared StorageNFS, iSCSI, Fibre Channel: for VM storageESXi Installable requires local disk for the hypervisor
Storage
Network
Memory
CPU
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Installing ESXi
VMware ESXi Embedded
Installed via SD flash or USB key internal to the server
Distributed with a new server
No Installation -- Just Turn It On!
VMware ESXi Installable
Load Installer via CD or ISO image
Simple 2-step procedure:1. Accept EULA
2. Select local drive for installation
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Start Running VMs in Minutes
1. Power on server and boot into hypervisor
2. Server Console Remote Access is supported with ESXi
HP iLODell DRACIBM RAS
3. Configure Admin Password4. (optional) Modify network
configuration5. Connect VI Client
to IP AddressOr manage with VirtualCenter
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Importing a virtual appliance
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Creating Virtual Machines
Import a Virtual ApplianceHundreds to choose from on the Virtual Appliance MarketplaceDownload directly via VI Client and deploy on host
Use VMware ConverterTransfer existing physical servers into virtual machinesImport existing VMware and 3rd party virtual images
Create from ScratchSpecify CPUs (1-4), Memory (1-64 GB), Disks, Network interfacesLoad OS from ISO image (over 80 supported OSes)
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Interacting with Virtual Machines
Virtual Machine Console
Just like the console screen or BIOS of a physical server
Or just use standard remote access, e.g. RDP, ssh, etc.
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Architecture of Management Interfaces
RCLI, Toolkits, and SDK use same API as VI Client and VirtualCenter
Same authentication (e.g. Active Directory), roles and privileges, event logging
VI API is secure, optimized for remote environments, firewall-friendly, standards-based
VI API
VI SDK
VI Perl Toolkit Other language bindings
Remote CLI
Other utility scripts
VI Client
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Manage Your ESXi Host: VI Client
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Common Information Model (CIM)
Key featuresAgent-less, standards based monitoring of hardware resources
Used by VirtualCenter to provide basic hardware status information
CIM providers readable by 3rd party management tools
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Manage Individual VMs
Control capabilities
Power on/off
Suspend
Captures state of VM to disk
Can resume back to same state
Snapshot
Makes point-in-time copy of virtual disk(s)
Can have multiple snapshots in a tree
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Monitor Individual VMs
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Backing up Virtual Machines
Option 1: traditional backup toolsBack up a VM like you would a physical server
Option 2: back up VM as a set of filesCan view and download VM files via VI Client through Datastore Browser (can also do via RCLI), OR
Can download VM files directly from shared storage device
1. Take snapshot of VM
2. Download copies of VM files
3. Remove snapshot
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More Sophisticated Features
Resource PoolsAllows you to divide resources of host in fine-grained way
Create multiple-nested resource pools according to policies, e.g.
By Application
By Department
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More Sophisticated Features
Virtual NetworkingCreate multiple vSwitches and assign one or more NICs to each
Create vSwitches without NICs for internal-only traffic
Make use of VLAN tagging (if your physical network supports it)
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Case Studies: VMware ESXi in Large Financial, Large Oil
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Case Studies: ESXi Operational DeploymentLarge US Financial Large US Oil
Server Vendor � HP � HP
Why ESXi? (prioritized list)
� No installation; “server is now an appliance”
� Easier patching
� More secure—COS considered an OS by Bank’s security team
� More secure
� No installation required
� Easier patching
� Easier to deploy at remote sites
Deployment Process
� Purchase licensed server for HP
� Apply latest patches with VMware Update Manager
� Add to computation cluster via Virtual Center
� No local disks; all storage on SAN
� Purchase stand-alone, unlicensed ESXi USB keys from HP
� Configure key at central site� Apply latest patch
� Provide IP address
� Set root password
� Install USB key in HP server and ship to installation location
� May use local storage or SAN
Management Practice
� No reliance on HP SIM
� No reliance on third-party agents
� Has developed in-house PERL script that interacts withHP HW directly through iLO
� Script queries HP IML logs
� Reports any item that is not listed at “Informational”or “Repaired”
� Emails report to system administrators
� Relies on HP SIM hooks integrated into ESXi
� Satisfied with ESXi SIM integration
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HP Systems Insight Manager—Working Together with ESXi and VirtualCenter
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HP-SIM—Quickly Diagnose System Issues
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Q&A
Anand ShrivastavaProduct Marketing Manager, VIOctober 6, 2008
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ESX, ESXi 3.5 Comparison
� See KB 1006543
Capability VMware ESX VMware ESXi
ServiceConsole
Privileged (unsecure), flexible Linux environment
None. VI Client, RCLI, and APIs for management
Remote CLI Service Console CLISupport for RCLI in ESX 3.5 U2
At this time, the following Service Console CLI commands have not been implemented in RCLI:•ESXcfg-claimrule•ESXcfg-info•ESXcfg-resgrp•ESXcfg-swiscsi
Scriptable Installation
KickStart support Not supported at this time. Support for post installation configuration script using RCLI-based configuration scripts.
Serial Cable Connectivity
Enabled No support at this time
SNMP VMware ESX supports SNMP With VI only
Active Directory Integration
Third-party module in Service Console
Not supported at this time
HW Inst. HW agents in Service Console Monitoring through CIM Providers
Software Patches &Updates
Linux-like patching FW-like upgrades
VI Web Access Supported Not Supported
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What’s Happening to COS?
ESX traditionally included a Service Console (COS)ESX (3.5) continues this tradition
ESXi is a nimble COS-less hypervisorEase of maintainability => there are fewer patches
Performance and scalability is improved => fewer agents are competing for core ESX resources
Greater availability and robustness
Next major ESX release—two versions for the last timeEmbedded ESX continues to be without a COS
ESX will include a significantly stripped-down COS
Subsequent releases—ESXi only
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Remote CLI Overview
A set of tools which enable execution of VI management tasks from a remote CLI environment
Commands are run from a remote system
They get executed on an ESX Server
The output is piped back in-line
A replacement for COS-based CLI and scripts
A better way to do CLI-based ESX Server management
User is authenticated
Fine-grained permissions
Auditing of tasks
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Remote Command Line Interface (CLI)
Key featuresSupported in both Windows and Linux
Replaces the scripting execution environment of the Service Console
Uses the same commands and same syntax
Functions to includeHost Configuration (esxcfg-advcfg)
Storage Configuration (esxcfg-nas, esxcfg-swiscsi, esxcfg-mpath, vmkfstools)
Network Configuration (esxcfg-vswitch, esxcfg-vnic)
Maintenance and patch (esxcfg-dumpart)
Backup (VCBMounter, fast copy)
Monitoring (esxtop, vmkuptime under discussion)
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VI Toolkits
VI Perl ToolkitProvides a Perl wrapper around the VMware Infrastructure APIs (VI APIs).Enables automation of a wide variety of administrative, provisioning, and monitoring tasksDownload from http://vmware.com/support/developer/viperltoolkit/
Also comes with RCLI
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Utility Applications and Samples
Virtual Infrastructure API
Runtime Layerinterfaces with the VI API WSDL
maps VMware entities into native objectsprovides a simple API to retrieve objects
Abstraction Layer
VI API
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End-user Scripts
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VI Toolkits
Snapshot all powered-on VMs in 3 lines
connectget-vm | where {$_.powerstate eq “poweredOn”} | new-snapshotdisconnect
Download beta of VI Toolkit for Windows
http://www.vmware.com/beta/vitk_win/