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. 55
Chapter 4 Managing Storage
FlashReadCachesupportswrite‐throughorreadcaching.Write‐backorwritecachingarenotsupported.
Datareadsaresatisfiedfromthecache,ifpresent.Datawritesaredispatchedtothebackingstorage,suchas
aSANorNAS.Alldatathatisreadfromorwrittentothebacking
storageisunconditionallystoredinthe
cache.
YoucanmanagevSphereFlashReadCachefromthevSphereWebClient.YoucanmonitorFlashReadCache
byusingcommandsintheesxcli storage vflashnamespace.Thefollowingtablelistsavailable
commands.SeethevSphereCommand‐LineInterfaceReferenceortheonlinehelpfor
alistofoptionstoeach
command.
Monitoring and Managing Virtual Volumes
TheVirtualVolumesfunctionalitychangesthestoragemanagementparadigmfrommanagingspaceinside
datastorestomanagingabstractstorageobjectshandledbystoragearrays.WithVirtualVolumes,an
individualvirtualmachine,notthedatastore,becomesaunitofstoragemanagement,whilestoragehardware
gainscompletecontrolovervirtualdiskcontent,layout,and
management.ThevSphereStorage
documentationdiscussesVirtualVolumesinsomedetailandexplainshowtomanagethemusingthevSphere
WebClient.
Thefollowingesxclicommandsareavailableformanagingdisplayinformationaboutvirtualvolumesandfor
unbindingallVirtualVolumesfromallvendorproviders.SeethevSphereStoragedocumentation
for
informationoncreatingVirtualVolumesandconfiguringmultipathingandSCSI‐basedendpoints.
N
OTENotallworkloadsbenefitwithaFlashReadCache.Theperformanceboostdependsonyourworkload
patternandworkingsetsize.Read‐intensiveworkloadswithworkingsetsthatfitintothecachecanbenefit
fromaFlashReadCacheconfiguration.ByconfiguringFlashReadCacheforyourread‐intensiveworkloads
additionalI/Oresourcesbecomeavailableonyoursharedstorage,whichcanresultinaperformanceincrease
forotherworkloadseventhoughtheyarenotconfiguredtouseFlashReadCache
Table 4-3. Commands for Monitoring vSphere Flash Read Cache
Command Description
storage vflash cache get Getindividualvflashcacheinfo.
storage vflash cache list Listindividualvflashcaches.
storage vflash cache stats get Getvflashcachestatistics.
storage vflash cache stats reset Resetvflashcachestatistics.
storage vflash device list ListvflashSSDdevices.
storage vflash module get Getvflashmoduleinfo.
storage vflash module list Listvflashmodules.
storage vflash module stats get Getvflashmodulestatistics
Table 4-4. VVol Commands
Command Description
storage vvol daemon unbindall UnbindallVirtualVolumeinstancesfromallstorageprovidersthatare
knowntotheESXihost.
storage vvol protocolendpoint list ListtheVVolprotocolendpointscurrentlyknowntotheESXihost.
storage vvol storagecontainer list ListtheVVolstoragecontainerscurrentlyknowntotheESXhost.
storage vvol storagecontainer
restore
Restorestoragecontainersofvendorprovidersthatareregisteredonthe
host.
storage vvol vasacontext get GettheVASAcontext(VCUUID).
storage vvol vendorprovider list Listthevendorprovidersregisteredonthehost.
storage vvol vendorprovider
restore
Restorethevendorprovidersthatareregisteredonthehost.