6.0
Table Of Contents
- vSphere Command-Line Interface Concepts and Examples
- Contents
- About This Book
- vSphere CLI Command Overviews
- Introduction
- List of Available Host Management Commands
- Targets and Protocols for vCLI Host Management Commands
- Supported Platforms for vCLI Commands
- Commands with an esxcfg Prefix
- ESXCLI Overview
- Connection Options for vCLI Host Management Commands
- Connection Options for DCLI Commands
- vCLI Host Management Commands and Lockdown Mode
- Managing Hosts
- Managing Files
- Managing Storage
- Introduction to Storage
- Examining LUNs
- Detaching Devices and Removing a LUN
- Working with Permanent Device Loss
- Managing Paths
- Managing Path Policies
- Scheduling Queues for Virtual Machine I/O
- Managing NFS/NAS Datastores
- Monitoring and Managing SAN Storage
- Monitoring and Managing Virtual SAN Storage
- Monitoring vSphere Flash Read Cache
- Monitoring and Managing Virtual Volumes
- Migrating Virtual Machines with svmotion
- Configuring FCoE Adapters
- Scanning Storage Adapters
- Retrieving SMART Information
- Managing iSCSI Storage
- iSCSI Storage Overview
- Protecting an iSCSI SAN
- Command Syntax for esxcli iscsi and vicfg-iscsi
- iSCSI Storage Setup with ESXCLI
- iSCSI Storage Setup with vicfg-iscsi
- Listing and Setting iSCSI Options
- Listing and Setting iSCSI Parameters
- Enabling iSCSI Authentication
- Setting Up Ports for iSCSI Multipathing
- Managing iSCSI Sessions
- Managing Third-Party Storage Arrays
- Managing NMP with esxcli storage nmp
- Path Claiming with esxcli storage core claiming
- Managing Claim Rules
- Managing Users
- Managing Virtual Machines
- vmware-cmd Overview
- Listing and Registering Virtual Machines
- Retrieving Virtual Machine Attributes
- Managing Virtual Machine Snapshots with vmware-cmd
- Powering Virtual Machines On and Off
- Connecting and Disconnecting Virtual Devices
- Working with the AnswerVM API
- Forcibly Stopping Virtual Machines with EXCLI
- Managing vSphere Networking
- Introduction to vSphere Networking
- Retrieving Basic Networking Information
- Network Troubleshooting
- Setting Up vSphere Networking with vSphere Standard Switches
- Setting Up Virtual Switches and Associating a Switch with a Network Interface
- Retrieving Information About Virtual Switches
- Adding and Deleting Virtual Switches
- Checking, Adding, and Removing Port Groups
- Managing Uplinks and Port Groups
- Setting the Port Group VLAN ID
- Managing Uplink Adapters
- Adding and Modifying VMkernel Network Interfaces
- Setting Up vSphere Networking with vSphere Distributed Switch
- Managing Standard Networking Services in the vSphere Environment
- Setting the DNS Configuration
- Adding and Starting an NTP Server
- Managing the IP Gateway
- Setting Up IPsec
- Managing the ESXi Firewall
- Monitoring VXLAN
- Monitoring ESXi Hosts
- Index
vSphere Command-Line Interface Concepts and Examples
84 VMware, Inc.
To specify port binding
1FindoutwhichuplinksareavailableforusewithiSCSIadapters.
esxcli <conn_options> iscsi physicalnetworkportal list --adapter=<adapter_name>
2 ConnectthesoftwareiSCSIordependenthardwareiSCSIinitiatortotheiSCSIVMkernelportsby
runningthefollowingcommandforeachport.
esxcli <conn_options> iscsi networkportal nic add --adapter=<adapter_name> --nic=<bound_nic>
3VerifythattheportswereaddedtotheiSCSIinitiatorbyrunningthefollowingcommand:
esxcli <conn_options> iscsi networkportal list --adapter=<adapter_name>
4 (Optional)IfthereareactiveiSCSIsessionsbetweenyourhostandtargets,discontinuethem.See
“RemovingiSCSISessions”onpage 85.
5RescantheiSCSIinitiator.
esxcli <conn_options> storage core adapter rescan --adapter <iscsi adapter>
6TodisconnecttheiSCSIinitiatorfromtheports,runthefollowingcommand.
esxcli <conn_options> iscsi networkportal remove --adapter=<adapter_name> --nic=<bound_nic>
Managing iSCSI Sessions
Tocommunicatewitheachother,iSCSIinitiatorsandtargetsestablishiSCSIsessions.Youcanuseesxcli
iscsi sessiontolistandmanageiSCSIsessionsforsoftwareiSCSIanddependenthardwareiSCSI.
Introduction to iSCSI Session Management
Bydefault,softwareiSCSIanddependenthardwareiSCSIinitiatorsstartoneiSCSIsessionbetweeneach
initiatorportandeachtargetport.IfyouriSCSIinitiatorortargethasmorethanoneport,yourhostcan
establishmultiplesessions.Thedefaultnumberofsessionsforeachtargetequalsthenumberofports
onthe
iSCSIadaptertimesthenumberoftargetports.Youcandisplayallcurrentsessionstoanalyzeanddebug
them.Youmightaddsessionstothedefaultforseveralreasons.
Cloningsessions.SomeiSCSIarrayssupportmultiplesessionsbetweentheiSCSIadapterandtarget
ports.Ifyoucloneanexistingsessionononeofthesearrays,thearraypresentsmoredatapathsforyour
adapter.Duplicatesessionsdonotpersistacrossreboot.Additionalsessionstothetargetmighthave
performancebenefits,
buttheresultofcloningdependsentirelyonthearray.Youmustlogoutfroman
iSCSIsessionifyouwanttocloneasession.Youcanusetheesxcli iscsi session addcommandto
cloneasession.
EnablingHeaderandDataDigest.IfyouareloggedintoasessionandwanttoenabletheHeaderand
DataDigestparameters,youmustsettheparameter,removethesession,andaddthesessionbackforthe
parameterchangetotakeeffect.YoumustlogoutfromaniSCSIsession
ifyouwanttocloneasession.
Establishingtarget‐specificsessions.Youcanestablishasessiontoaspecifictargetport.Thiscanbe
usefulifyourhostconnectstoasingle‐portstoragesystemthat,bydefault,presentsonlyonetargetport
toyourinitiator,butcanredirectadditionalsessionstoadifferenttargetport.Establishinga
newsession
betweenyouriSCSIinitiatorandanothertargetportcreatesanadditionalpathtothestoragesystem.
Thefollowingexamplescenariousestheavailablecommands.Runesxcli iscsi session --helpandeach
commandwith--helpforreferenceinformation.Theexampleusesaconfigurationfiletologintothehost.
Specifyoneof
theoptionslistedin“ConnectionOptionsforvCLIHostManagementCommands”onpage 18
inplaceof<conn_options>.
CAUTIONSomestoragesystemsdonotsupportmultiplesessionsfromthesameinitiatornameorendpoint.
AttemptstocreatemultiplesessionstosuchtargetscanresultinunpredictablebehaviorofyouriSCSI
environment.