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

Chapter 16 Working with DatastoresOptionUse free spaceUse all available partitionsDescriptionDeploys an extent in the remaining free space of the disk. This option isavailable only when you are adding an extent.Dedicates the entire disk to a single extent. This option is available onlywhen you are adding an extent and when the disk you are formatting isnot blank. The disk is reformatted, and the datastores and any data that itcontains are erased.5 Set the capacity for the extent.The minimum extent size is 1.3GB. By default, the entire free space on the storage device is available.6 Click Next.7 Review the proposed layout and the new configuration of your datastore, and click Finish.Rename VMFS or NFS Datastores in the vSphere Web ClientYou can change the name of an existing datastore.PrerequisitesBrowse to Datastores in the vSphere Web Client navigator. See “Display Datastore Information in thevSphere Web Client,” on page 22.Procedure1 Right-click the datastore to rename.2 Select Rename from the right-click menu.3 Type a new datastore name.The vSphere Web Client enforces a 42 character limit for the datastore name.The new name appears on all hosts that have access to the datastore.Unmount VMFS or NFS DatastoresWhen you unmount a datastore, it remains intact, but can no longer be seen from the hosts that you specify.The datastore continues to appear on other hosts, where it remains mounted. If you unmount an NFSdatastore from all hosts, it disappears from the inventory.Do not perform any configuration operations that might result in I/O to the datastore while the unmount isin progress.NOTE For NFS or VMFS datastore, make sure that the datastore is not used by vSphere HA heartbeating.vSphere HA heartbeating does not prevent you from unmounting the datastore. However, if the datastore isused for heartbeating, unmounting it might cause the host to fail and restart any active virtual machine.PrerequisitesBefore unmounting a VMFS datastores, make sure that the following prerequisites are met:• No virtual machines reside on the datastore.• The datastore is not managed by Storage DRS.• Storage I/O control is disabled for this datastore.Browse to Datastores in the vSphere Web Client navigator. See “Display Datastore Information in thevSphere Web Client,” on page 22.VMware, Inc. 145