vsphere-esxi-vcenter-server-55-storage-guide

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vSphere StorageTable 16‐5. VOMA Command OptionsCommand OptionDescription-m | --module The module to run: vmfs or lvm. If you specify vmfs,minimal checks are performed for LVM as well. Thedefault module is vmfs.-f | --func Functions to be performed:query - list functions supported by module.check - check for errors.-d | --device Device or disk to be inspected. Make sure to provide theabsolute path to the device partition backing the VMFSdatastore. For example, /vmfs/devices/disks/naa.00000000000000000000000000:1.-s | --logfile Specify the log file to output the results.-v | --version Display the version of VOMA.-h | --help Display the help message for the VOMA command.Configuring VMFS Pointer Block CacheYou can use advanced VMFS parameters to configure pointer block cache.As the size of virtual machine files on VMFS datastores increases, the number of pointer blocks used bythose files also increases. Pointer blocks are used to address file blocks in large virtual machine files andvirtual disks on a VMFS datastore.You can configure the minimum and maximum sizes of the pointer block cache on each ESXi host. When thesize of the pointer block cache approaches the configured maximum size, an eviction mechanism removessome pointer block entries from the cache to allow for new pointer blocks to be read in.Base the maximum size of the pointer block cache on the working size of all open virtual disk files thatreside on VMFS datastores. All VMFS datastores on the host use a single pointer block cache.The minimum value is based on the minimum guaranteed memory that the system can allocate to the cache.1TB of open file space requires approximately 4MB of memory.Use the following parameters to configure the minimum and maximum values for pointer block cache.Table 16‐6. Advanced Parameters to Regulate Pointer Block CacheParameter Values DescriptionVMFS3.MaxAddressableSpaceTB Default value is 32 (in TB). Maximum size of all open files thatVMFS cache will support beforeeviction starts.VMFS3.MinAddressableSpaceTB Default value is 10 (in TB). Minimum size of all open files thatVMFS cache guarantees to support.For information about how to configure these advanced parameters, see “Set Advanced Host Attributes inthe vSphere Web Client,” on page 131.Set Advanced Host Attributes in the vSphere Web ClientYou can set advanced attributes for a host.CAUTION Changing advanced options is considered unsupported unless VMware technical support or a KBarticle instruct you to do so. In all other cases, changing these options is considered unsupported. In mostcases, the default settings produce the optimum result.152 VMware, Inc.
Chapter 16 Working with DatastoresProcedure1 Browse to the host in the vSphere Web Client navigator.2 Click the Manage tab and click Settings.3 Under System, click Advanced System Settings.4 In Advanced Settings, select the appropriate item.5 Click the Edit button to edit the value.6 Click OK.VMware, Inc. 153
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vSphere StorageESXi 5.5vCenter Serv
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vSphere Storage6 Modifying Fibre Ch
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ContentsUsing esxcli Commands with
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About vSphere StoragevSphere Storag
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Introduction to Storage 1This intro
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Chapter 1 Introduction to StorageNe
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vSphere StorageSupported Storage Ad
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vSphere StorageDisplay Datastore In
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vSphere StorageFigure 1‐6. Virtua
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vSphere Storage26 VMware, Inc.
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vSphere Storage• “SAN Storage B
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vSphere StorageUse the Predictive S
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vSphere StorageFile-Based (VMFS) So
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vSphere StoragePorts in Fibre Chann
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vSphere StorageSetting LUN Allocati
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vSphere StorageRequirements for Usi
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vSphere StorageOptionGenerate new W
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vSphere StorageConfiguration Guidel
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vSphere StorageBoot from SANDirect
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vSphere StorageFigure 6‐1. SAN Fa
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vSphere StorageHitachi Data Systems
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vSphere StorageBoot from Fibre Chan
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vSphere StorageConfigure Emulex HBA
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vSphere Storage10 If any remaining
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vSphere Storage• Coredump is not
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vSphere Storage• Use the esxcli c
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vSphere Storage• Become familiar
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vSphere StorageTable 9‐1. Multipa
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vSphere StoragePorts in the iSCSI S
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vSphere StorageFigure 10‐1. Targe
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vSphere StorageHow Virtual Machines
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vSphere Storage• “Configuring C
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vSphere StorageView Independent Har
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vSphere StorageView Dependent Hardw
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vSphere StorageWhat to do nextSelec
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vSphere StorageOne way to achieve t
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vSphere Storage6 Enter a network la
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vSphere StorageBind iSCSI and VMker
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vSphere StorageEnable Jumbo Frames
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vSphere StorageRemove Static Target
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vSphere Storage• Use unidirection
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vSphere StorageTable 11‐5. Additi
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vSphere StorageProcedureuTo list iS
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Page 102 and 103: vSphere StorageVMware tests ESXi wi
Page 104 and 105: vSphere Storage6 Using the wizard,
Page 106 and 107: vSphere StorageHP StorageWorks SAN/
Page 108 and 109: vSphere Storage• Configure a diag
Page 110 and 111: vSphere StorageWhen you first boot
Page 112 and 113: vSphere StorageInstall ESXi to iSCS
Page 114 and 115: vSphere StorageChanging iSCSI Boot
Page 116 and 117: vSphere StorageIf there are no runn
Page 118 and 119: vSphere StorageWhen writing data to
Page 120 and 121: vSphere StorageTable 14‐2. iSCSI
Page 122 and 123: vSphere StoragevmhbaAdapter:CChanne
Page 124 and 125: vSphere StoragePerform Adapter Resc
Page 126 and 127: vSphere StoragePerforming Planned S
Page 128 and 129: vSphere StorageBy default, the APD
Page 130 and 131: vSphere StoragePDL Conditions and H
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Page 134 and 135: vSphere Storage• “Creating a Di
Page 136 and 137: vSphere StorageSharing a VMFS Datas
Page 138 and 139: vSphere StorageThe device parameter
Page 140 and 141: vSphere Storage6 Specify partition
Page 142 and 143: vSphere StorageWhat to do nextIf yo
Page 144 and 145: vSphere StorageIncreasing VMFS Data
Page 146 and 147: vSphere StorageProcedure1 Right-cli
Page 148 and 149: vSphere Storage2 Click the Manage t
Page 150 and 151: vSphere StorageVerify a Diagnostic
Page 156 and 157: vSphere StorageFor example, you nee
Page 158 and 159: vSphere Storage• Replication soft
Page 160 and 161: vSphere StorageTable 17‐1. Featur
Page 164 and 165: vSphere StorageAuto-Detection of SS
Page 166 and 167: vSphere Storage3 Remove the claim r
Page 168 and 169: vSphere StorageMonitor SSD DevicesY
Page 170 and 171: vSphere StorageConfigure the Host C
Page 174 and 175: vSphere StorageIf a host contribute
Page 176 and 177: vSphere Storage• Virtual SAN take
Page 178 and 179: vSphere StorageSet Up Networking fo
Page 180 and 181: vSphere StorageEnabling Virtual SAN
Page 182 and 183: vSphere StorageProcedure1 Browse to
Page 184 and 185: vSphere Storage5 Select disks to be
Page 186 and 187: vSphere Storage4 Select a non-SSD d
Page 188 and 189: vSphere StorageVirtual SAN and Stor
Page 190 and 191: vSphere StorageDefine a Storage Pro
Page 192 and 193: vSphere Storage5 Move the host back
Page 196 and 197: vSphere StorageA storage system can
Page 198 and 199: vSphere StorageVirtual machine stor
Page 200 and 201: vSphere StorageEdit a Storage Polic
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vSphere StorageCheck Storage Compli
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vSphere StorageDRS Support for Flas
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vSphere Storage5 Specify the amount
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vSphere StorageUsing esxcli Command
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vSphere StorageFigure 22‐1. VMker
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vSphere StorageFigure 23‐1. Multi
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vSphere StorageArray-Based Failover
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vSphere Storage6 Reboot guest OS fo
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vSphere StorageAfter the NMP determ
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vSphere StorageDisabledDeadThe path
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vSphere StorageDisable Paths in the
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vSphere Storage• Any paths not de
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vSphere StorageOption-D|--driver=-f
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vSphere Storage2 Assign the MASK_PA
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vSphere StorageOption-M|--model=str
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vSphere StorageHardware Acceleratio
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vSphere StoragePrerequisitesInstall
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vSphere Storage2 To list the VAAI p
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vSphere StorageInstall NAS Plug-InI
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vSphere StorageHardware Acceleratio
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vSphere StorageFigure 25‐1. Thick
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vSphere StorageProcedure1 In the vS
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vSphere Storage3 As the space used
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vSphere StorageThis type of informa
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vSphere StorageSecuring Communicati
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vSphere StorageTable 27‐1. vmkfst
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vSphere Storagedatastore is the new
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vSphere StorageThis option creates
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vSphere StorageYou must power off t
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vSphere Storage• -L lunreset - Re
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vSphere Storagecompatibility modesp
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vSphere StorageiSCSI initiatorsconf
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vSphere Storagevirtual compatibilit
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vSphere StorageVASA, See vStorage A
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