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
VMware, Inc. 49
Chapter 4 Managing Storage
WhileVMW_PSP_MRUistypicallyselectedforALUAarraysbydefault,certainALUAstoragearraysneed
touseVMW_PSP_FIXED.TocheckwhetheryourstoragearrayrequiresVMW_PSP_FIXED,seetheVMware
CompatibilityGuideorcontactyourstoragevendor.WhenusingVMW_PSP_FIXEDwithALUAarrays,
unlessyouexplicitlyspecifyapreferredpath,the
ESXihostselectsthemostoptimalworkingpathand
designatesitasthedefaultpreferredpath.Ifthehostselectedpathbecomesunavailable,thehostselects
analternativeavailablepath.How ever ,ifyouexplicitlydesignatethepreferredpath,itremainspreferred
nomatterwhatitsstatusis.
Bydefault,thePSAclaimrule101masksDellarraypseudodevices.Donotdeletethisrule,unlessyou
wanttounmaskthesedevices.
Changing Path Policies
YoucanchangepathpolicieswithESXCLIorwithvicfg-mpath.
Changing Path Policies with ESXCLI
YoucanchangethepathpolicywithESXCLI.Specifyoneoftheoptionslistedin“ConnectionOptionsforvCLI
HostManagementCommands”onpage 18inplaceof<conn_options>.
To change the path policy with ESXCLI
1EnsureyourdeviceisclaimedbytheNMPplugin.OnlyNMPdevicesallowyoutochangethepathpolicy.
esxcli <conn_options> storage nmp device list
2 Retrievethelistofpathselectionpoliciesonthesystemtoseewhichvaluesarevalidforthe--pspoption
whenyousetthepathpolicy.
esxcli storage core plugin registration list --plugin-class="PSP"
3Setthepathpolicyusingesxcli.
esxcli <conn_options> storage nmp device set --device naa.xxx --psp VMW_PSP_RR
SeeTable 4‐1,“SupportedPathPolicies,”onpage 48.
4 (Optional)IfyouspecifiedtheVMW_PSP_FIXEDpolicy,youmustmakesurethepreferredpathisset
correctly.
aCheckwhichpathisthepreferredpathforadevice.
esxcli <conn_options> storage nmp psp fixed deviceconfig get --device naa.xxx
bIfnecessary,changethepreferredpath.
esxcli <conn_options> storage nmp psp fixed deviceconfig set --device naa.xxx --path
vmhba3:C0:T5:L3
Thecommandsetsthepreferredpathtovmhba3:C0:T5:L3.Runthecommandwith--defaultto
clearthepreferredpathselection.
Changing Path Policies with vicfg-mpath
Youcanchangethepathpolicywithvicfg-mpath.Specifyoneoftheoptionslistedin“ConnectionOptions
forvCLIHostManagementCommands”onpage 18inplaceof<conn_options>.
To change the path policy with vicfg-mpath
1Listallmultipathingpluginsloadedintothesystem.
vicfg-mpath <conn_options> --list-plugins
Ataminimum,thiscommandreturnsNMP(NativeMultipathingPlugin)andMASK_PATH.IfotherMPP
pluginshavebeenloaded,theyarelistedaswell.
2SetthepathpolicybyusingESXCLI.
esxcli <conn_options> nmp device set --device naa.xxx --psp VMW_PSP_RR