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Table Of Contents
Getting Started with vSphere Command-Line Interfaces
58 VMware, Inc.
TouseFCoE,youneedtoinstallFCoEadapters.TheadaptersthatVMwaresupportsgenerallyfallintotwo
categories,hardwareFCoEadaptersandsoftwareFCoEadapters.
HardwareFCoEAdapters.HardwareFCoEadaptersincludecompletelyoffloadedspecialized
ConvergedNetworkAdapters(CNAs)thatcontainnetworkandFibreChannelfunctionalitiesonthe
samecard.Whensuchanadapterisinstalled,yourhostdetectsandcanusebothCNAcomponents.In
thevSphereWebClient,thenetworkingcomponentappearsasa
standardnetw orkadapter(vmnic)and
theFibreChannelcomponentasaFCoEadapter(vmhba).YoudonothavetoconfigureahardwareFCoE
adaptertobeabletouseit.
SoftwareFCoEAdapters.AsoftwareFCoEadapterisasoftwarecodethatperformssomeoftheFCoE
processing.TheadaptercanbeusedwithanumberofNICsthatsupportpartialFCoEoffload.Unlikethe
hardwareFCoEadapter,thesoftwareadaptermustbeactivated.
Scanning Storage Adapters
Youmustperformarescanoperationeachtimeyoureconfigureyourstoragesetup.Youcanscanusingthe
vSphereWebClient,thevicfg-rescanvCLIcommand,ortheesxcli storage core adapter rescan
command.
esxcli storage core adapter rescansupportsthefollowingadditionaloptions:
-a|--allor-A|--adapter=<string>Scanalladaptersoraspecifiedadapter.
-S|--skip-claimSkipclaimingofnewdevicesbytheappropriatemultipathplugin.
-F|--skip-fs-scanSkipfilesystemscan
-t|--typeSpecifythetypeofscantoperform.Thecommandeitherscansforallchanges(all)or
foradded,deleted,orupdatedadapters(add,delete,update)
vicfg-rescansupportsonlyasimplerescanoperationonaspecifiedadapter.
To rescan a storage adapter with vicfg-rescan
Runvicfg-rescan,specifyingtheadaptername.
vicfg-rescan <conn_options> vmhba1
Thecommandreturnsanindicationofsuccessorfailure,butnodetailedinformation.
To rescan a storage adapter with ESXCLI
Thefollowingcommandscansaspecificadapterandskipsthefilesystemscanthatisperformedbydefault.
esxcli <conn_options> storage core adapter rescan --adapter=vmhba33 --skip-claim
Thecommandreturnsanindicationofsuccessorfailure,butnodetailedinformation.
Retrieving SMART Information
YoucanuseESXCLItoretrieveinformationrelatedtoSMART.SMARTisamonitoringsystemforcomputer
harddisksthatreportsinformationaboutthedisks.
esxcli storage core device smart get -d device
WhatthecommandreturnsdependsonthelevelofSMARTinformationthatthedevicesupports.Ifno
informationisavailableforaparameter,theoutputdisplaysN/A,asinthefollowingsampleoutput.
Parameter Value Threshold Worst
-----------------------------------------------------
Health Status OK N/A N/A
Media Wearout Indicator N/A N/A N/A
Write Error Count N/A N/A N/A
Read Error Count 119 6 74
Power-on Hours 57 0 57
Power Cycle Count 100 20 100
Reallocated Sector Count 100 36 100