6.0.1
Table Of Contents
- vSphere Storage
- Contents
- About vSphere Storage
- Updated Information
- Introduction to Storage
- Overview of Using ESXi with a SAN
- Using ESXi with Fibre Channel SAN
- Configuring Fibre Channel Storage
- Configuring Fibre Channel over Ethernet
- Booting ESXi from Fibre Channel SAN
- Booting ESXi with Software FCoE
- Best Practices for Fibre Channel Storage
- Using ESXi with iSCSI SAN
- Configuring iSCSI Adapters and Storage
- ESXi iSCSI SAN Requirements
- ESXi iSCSI SAN Restrictions
- Setting LUN Allocations for iSCSI
- Network Configuration and Authentication
- Set Up Independent Hardware iSCSI Adapters
- About Dependent Hardware iSCSI Adapters
- Dependent Hardware iSCSI Considerations
- Configure Dependent Hardware iSCSI Adapters
- About the Software iSCSI Adapter
- Modify General Properties for iSCSI Adapters
- Setting Up iSCSI Network
- Using Jumbo Frames with iSCSI
- Configuring Discovery Addresses for iSCSI Adapters
- Configuring CHAP Parameters for iSCSI Adapters
- Configuring Advanced Parameters for iSCSI
- iSCSI Session Management
- Booting from iSCSI SAN
- Best Practices for iSCSI Storage
- Managing Storage Devices
- Storage Device Characteristics
- Understanding Storage Device Naming
- Storage Refresh and Rescan Operations
- Identifying Device Connectivity Problems
- Edit Configuration File Parameters
- Enable or Disable the Locator LED on Storage Devices
- Working with Flash Devices
- About VMware vSphere Flash Read Cache
- Working with Datastores
- Understanding VMFS Datastores
- Understanding Network File System Datastores
- Creating Datastores
- Managing Duplicate VMFS Datastores
- Upgrading VMFS Datastores
- Increasing VMFS Datastore Capacity
- Administrative Operations for Datastores
- Set Up Dynamic Disk Mirroring
- Collecting Diagnostic Information for ESXi Hosts on a Storage Device
- Checking Metadata Consistency with VOMA
- Configuring VMFS Pointer Block Cache
- Understanding Multipathing and Failover
- Raw Device Mapping
- Working with Virtual Volumes
- Virtual Machine Storage Policies
- Upgrading Legacy Storage Profiles
- Understanding Virtual Machine Storage Policies
- Working with Virtual Machine Storage Policies
- Creating and Managing VM Storage Policies
- Storage Policies and Virtual Machines
- Default Storage Policies
- Assign Storage Policies to Virtual Machines
- Change Storage Policy Assignment for Virtual Machine Files and Disks
- Monitor Storage Compliance for Virtual Machines
- Check Compliance for a VM Storage Policy
- Find Compatible Storage Resource for Noncompliant Virtual Machine
- Reapply Virtual Machine Storage Policy
- Filtering Virtual Machine I/O
- VMkernel and Storage
- Storage Hardware Acceleration
- Hardware Acceleration Benefits
- Hardware Acceleration Requirements
- Hardware Acceleration Support Status
- Hardware Acceleration for Block Storage Devices
- Hardware Acceleration on NAS Devices
- Hardware Acceleration Considerations
- Storage Thick and Thin Provisioning
- Using Storage Providers
- Using vmkfstools
- vmkfstools Command Syntax
- vmkfstools Options
- -v Suboption
- File System Options
- Virtual Disk Options
- Supported Disk Formats
- Creating a Virtual Disk
- Example for Creating a Virtual Disk
- Initializing a Virtual Disk
- Inflating a Thin Virtual Disk
- Removing Zeroed Blocks
- Converting a Zeroedthick Virtual Disk to an Eagerzeroedthick Disk
- Deleting a Virtual Disk
- Renaming a Virtual Disk
- Cloning or Converting a Virtual Disk or RDM
- Example for Cloning or Converting a Virtual Disk
- Migrate Virtual Machines Between DifferentVMware Products
- Extending a Virtual Disk
- Upgrading Virtual Disks
- Creating a Virtual Compatibility Mode Raw Device Mapping
- Example for Creating a Virtual Compatibility Mode RDM
- Creating a Physical Compatibility Mode Raw Device Mapping
- Listing Attributes of an RDM
- Displaying Virtual Disk Geometry
- Checking and Repairing Virtual Disks
- Checking Disk Chain for Consistency
- Storage Device Options
- Index
However, if you use a cluster of hosts that have just local storage devices, you can implement Virtual SAN.
Virtual SAN transforms local storage resources into software-dened shared storage and allows you to use
features that require shared storage. For details, see the Administering VMware Virtual SAN documentation.
Networked Storage
Networked storage consists of external storage systems that your ESXi host uses to store virtual machine
les remotely. Typically, the host accesses these systems over a high-speed storage network.
Networked storage devices are shared. Datastores on networked storage devices can be accessed by
multiple hosts concurrently. ESXi supports multiple networked storage technologies.
In addition to traditional networked storage that this topic covers, VMware supports virtualized shared
storage, such as Virtual SAN. Virtual SAN transforms internal storage resources of your ESXi hosts into
shared storage that provides such capabilities as High Availability and vMotion for virtual machines. For
details, see the Administering VMware Virtual SAN documentation.
N The same LUN cannot be presented to an ESXi host or multiple hosts through dierent storage
protocols. To access the LUN, hosts must always use a single protocol, for example, either Fibre Channel
only or iSCSI only.
Fibre Channel (FC)
Stores virtual machine les remotely on an FC storage area network (SAN). FC SAN is a specialized high-
speed network that connects your hosts to high-performance storage devices. The network uses Fibre
Channel protocol to transport SCSI trac from virtual machines to the FC SAN devices.
To connect to the FC SAN, your host should be equipped with Fibre Channel host bus adapters (HBAs).
Unless you use Fibre Channel direct connect storage, you need Fibre Channel switches to route storage
trac. If your host contains FCoE (Fibre Channel over Ethernet) adapters, you can connect to your shared
Fibre Channel devices by using an Ethernet network.
Fibre Channel Storage depicts virtual machines using Fibre Channel storage.
Figure 1‑2. Fibre Channel Storage
fibre array
VMFS
virtual
machine
SAN
fibre
channel
HBA
Host
Chapter 1 Introduction to Storage
VMware, Inc. 15