transitioning to esxi with vsphere 4.1
DESCRIPTION
Transitioning to ESXi with vSphere 4.1. Mark Monce – Sr. Systems Engineer. We Are Converging on the ESXi Architecture. Brand History 2007 – ESX 3i 2008 – ESXi 3.x (Free, Std, Adv, Ent ) 2009 – vSphere ESX (Std, Adv, Ent , E+), ESXi (Free, Std, Adv, Ent , E+) - PowerPoint PPT PresentationTRANSCRIPT
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© 2009 VMware Inc. All rights reserved
Transitioning to ESXi with vSphere 4.1
Mark Monce – Sr. Systems Engineer
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We Are Converging on the ESXi Architecture
• Brand History 2007 – ESX 3i
2008 – ESXi 3.x (Free, Std, Adv, Ent)
2009 – vSphere ESX (Std, Adv, Ent, E+), ESXi (Free, Std, Adv, Ent, E+)
2010 – “VMware Hypervisor” (Free); vSphere ESX/ESXi (all paid editions)
• VMware will converge on the ESXi architecture in mid 2011. End-of-Sale ≠ End of Support: ESX 4.0 (with Service Console) will be supported at least through May 2014
according to the VMware vSphere Support Life Cycle (HW enablement is limited to first 2 years):
987654321
General Extended
General Extended
General Availability
1st Minor Rel.
Years After Release
Please Look up the Details on vmware.com
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Agenda
3 Confidential
Overview of ESXi
Hardware Monitoring and Systems Management
Infrastructure Services
Command Line Interfaces
Diagnostics and Troubleshooting
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New and Improved Paradigm for ESX Management
Commands forconfiguration and
diagnostics
Commands forconfiguration and
diagnostics
Management Agents
Hardware Agents
Service Console (COS)
VMware ESXi
CIM API
Agentless vAPI-based
“Classic” VMware ESX
Agentless CIM-based
vCLI, PowerCLI
vSphere APIInfrastructure
Integration Agents Native Agents:NTP, Syslog, SNMP
Local Support Console
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Agenda
5 Confidential
Overview of ESXi
Hardware Monitoring and Systems Management
Infrastructure Services
Command Line Interfaces
Diagnostics and Troubleshooting
Next Steps
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WS
-MA
N
Hardware Monitoring with CIM
Common Information Model (CIM)• Agent-less, standards based
monitoring of hardware resources• Output readable by 3rd party
management tools via standard APIs• VMware and Partner CIM
providers for specific hardware devices
Management Server
ManagementClient
Hardware
VMkernel
HardwarePlatformCPU Network StorageMemory
CIM Broker
VMware Providers
Partner Providers
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Monitor and Manage Health of Server Hardware with vCenter
New CIM Interface• Detailed hardware health
monitoring• Physical and virtual visibility
on server health• vCenter alarms alert when
hardware failures occur Host hardware fan status Host hardware power status Host hardware system board
status Host hardware temperature
status
New vCenter
Alarms for Hardware
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Third Party Hardware Monitoring
• OEMs HW Monitoring through their Management Consoles
• view server and storage asset data• view server and storage health information• view alert and command logs• configure hardware (e.g. storage, BIOS)
Dell Open Manager Server Administrator 6.1HP SIM 5.3.2+
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ESXi (VMware Hypervisor) OEM Versions
• VMware, Dell, IBM, HP versions available at www.vmware.com/go/get-free-esxi (requires registration)
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New Feature: Update Manager to deploy 3rd party code
Behavior of VMware Update Manager in vSphere 4.0
• Can only deploy updates if obtained from online depot
• CANNOT deploy downloaded packages (“offline bundles”) Drivers CIM providers Other modules
• Can only do on ESXi via ‘vihostupdate’ CLI tool Operates only host-by-host Not tracked centrally
Behavior with VMware Update Manager in vSphere 4.1
• Can import offline bundles into repository
• Deployed and managed just like all other updates
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BPM for Virtual Servers BPA for Virtual Servers Capacity Mgmt Essentials Atrium Orchestrator Bladelogic Operations
Manager ProactiveNet v7.7 * Client Automation Atrium Discovery &
Dependency Mapping v7.4 *
CA Virtual Performance Manager (VPM)
Spectrum Automation Management
Spectrum eHealth Cohesion ARCserve
Smarts ESM v1.1 ADM v6.2 ControlCenter Avamar Networker
ITM for Virtual Servers v6.1.2 *
TPM ITUAM ITLCM Tivoli Storage
Manager
Operations Orchestration
VI SPI Client Automation DDM Operations Agent UCMDB SiteScope Performance Agent DataProtector HP Operations
Majority of Systems Management and Back Up Vendors Support ESXi
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New Feature: Additional Deployment Option
Boot From SAN
• Fully supported in ESXi 4.1
• Was only experimentally supported in ESXi 4.0
• Initially only FC-SAN support; iSCSI supported; FCOE supported, other being considered
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New Feature: Additional Deployment Option
Scripted Installation
• Numerous choices for installation Installer booted from
CD-ROM (default)
Preboot Execution Environment (PXE)
ESXi Installation image on
CD-ROM (default), HTTP / HTTPS, FTP, NFS
Script can be stored and accessed
Within the ESXi Installer ramdisk (default)
On the installation CD-ROM
HTTP / HTTPS, FTP, NFS
Configuration script (“ks.cfg”) can include other scripts
Preinstall
Postinstall
First boot
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Agenda
14 Confidential
Overview of ESXi
Hardware Monitoring and Systems Management
Infrastructure Services
Command Line Interfaces
Diagnostics and Troubleshooting
Next Steps
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Infrastructure Services for Production Environments
Function Provided by
Time synchronization Built-in NTP service
Centralized log collection Built-in Syslog service
SNMP monitoring Built-in SNMP service
Persistent Logging Log to files on datastore
Local access authentication Built-in Active Directory service
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New Feature: Built-in Active Directory Service
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Active Directory Service
Provides authentication for all local services
• vSphere Client
• Other access based on vSphere API
• DCUI
• Tech Support Mode (local and remote)
Has nominal Active Directory groups functionality
• Members of “ESX Admins” AD group have Administrative privilege
• Administrative privilege includes: Full Administrative role in vSphere Client and vSphere API clients DCUI access Tech Support Mode access (local and remote)
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Agenda
18 Confidential
Overview of ESXi
Hardware Monitoring and Systems Management
Infrastructure Services
Command Line Interfaces
Diagnostics and Troubleshooting
Next Steps
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vCLI and PowerCLI: primary scripting interfaces
vCLI and PowerCLI built on same API as vSphere Client
• Same authentication (e.g. Active Directory), roles and privileges, event logging
• API is secure, optimized for remote environments, firewall-friendly, standards-based
vSphere Web Service API
vSphere SDK
Otherlanguages
vCLI Other utility
scripts
vSphere Client
vSpherePowerCLI
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New Feature: Additional vCLI configuration commands
Storage
• esxcli swiscis session: Manage iSCSI sessions
• esxcli swiscsi nic: Manage iSCSI NICs
• esxcli swiscsi vmknic: List VMkernel NICs available for binding to particular iSCSI adapter
• esxcli swiscsi vmnic: List available uplink adapters for use with a specified iSCSI adapter
• esxcli vaii device: Display information about devices claimed by the VMware VAAI (vStorage APIs for Array Integration) Filter Plugin.
• esxcli corestorage device: List devices or plugins. Used in conjunction with hardware acceleration.
• Full esxcli reference guide: http://www.vmware.com/pdf/vsphere4/r40/vsp_40_vcli.pdf
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Agenda
21 Confidential
Overview of ESXi
Hardware Monitoring and Systems Management
Infrastructure Services
Command Line Interfaces
Diagnostics and Troubleshooting
Next Steps
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Diagnostic Commands for ESXi: vCLI
Familiar set of ‘esxcfg-*’ commands available in vCLI
• Names mapped to ‘vicfg-*’
• Also includes vmkfstools vmware-cmd resxtop
Additional commands not available in COS
• vifs: transfer of log, config, and VM files to/from host/datastores
• vicfg-volume (VMFS volume management)
• esxcli (multi-pathing module management)
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New Feature: Additional vCLI troubleshooting commands
Network
• esxcli network: List active connections or list active ARP table entries.
Storage
• NFS statistics available in resxtop
Virtual Machine
• esxcli vms: Forcibly stop virtual machines that do not respond to normal stop operations, by using kill commands.
• NOTE: designed to kill VMs in a reliable way (not dependent upon well-behaving system)
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Restart/Reset of Agents
Menu item to restart all management agents, including
Hostd
vpxa
Menu item to reset all configuration settings
Fix a misconfigured vNetwork Distributed Switch
Reset all configurations
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Browser-based access of config files
https://boise.eng.vmware.com/host
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Browser-based access of log files
https://boise.eng.vmware.com/host/messages
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Browser-based access of datastore files
https://boise.eng.vmware.com/folder
Disk Descriptor
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New Feature: Full Support of Tech Support Mode
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New Feature: Full Support of Tech Support Mode
Can enable in vCenter or DCUI
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New Feature: Full Support of Tech Support Mode
30 Confidential
Big Scary Warningwill be removed…
…but admin will benotified when active
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New Feature: Full Support of Tech Support Mode
• Timeout automatically disables Tech Support Mode (local and remote)
• Running sessions are not terminated• All commands issued in Tech Support Mode are sent to syslog
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New Feature: Additional commands in Tech Support Mode
Additional commands for troubleshooting
• vscsiStats
• nc (netcat)
• tcpdump-uw
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TSM: Advanced troubleshooting
DCUI: misconfigs / restart mgmt agents
ESXi Diagnostics and Troubleshooting
ESXiRemote Access
vCenter vCLI
vSphere APIs
• During normal operations: • If things go wrong:
Local/Remote Access
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New Feature: Total Lockdown
Ability to totally control local access via vCenter Server
• DCUI
• Lockdown Mode (all access based on vSphere API)
• Tech Support Mode (local and remote)
• If all configured, then no local activity possible (except pull the plugs)
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Summary of new features in ESXi 4.0
Deployment Options• Boot from SAN• Scripted Installation (a la “Kickstart”)
Centralized updating of 3rd party code• VMware Update Manager can deploy drivers, CIM providers, other modules
Improved Local Authentication• Built-in Active Directory Service• DCUI and Tech Support Mode access by any authorized user (not just root)
Easier CLI options for troubleshooting• Full support of Tech Support Mode – both local and remote (via SSH)• Additional commands in Tech Support Mode: vscsiStats, nc, tcpdump-uw, etc.• Additional management options in vCLI: SCSI, VAAI, Network, VM
Better control over local activity• DCUI and Tech Support Mode is configurable in vCenter Server• Total host lockdown possible• Activity in Tech Support Mode is sent to syslog
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Agenda
36 Confidential
Overview of ESXi
Hardware Monitoring and Systems Management
Infrastructure Services
Command Line Interfaces
Diagnostics and Troubleshooting
Next Steps
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VMware Management Assistant (VMA)
- Virtual Appliance Downloadable from VMware Appliance Market Place
- CentOS Operating Systems
- VMware Tools
- VMware Remote CLI
- Perl SDK
- CIM-S
• CIM Profiles compatible with SMI-S Standards
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