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MirrorView/S

Yes

MirrorView/A

Yes

*Support for 10 hosts with the base pack and 64 hosts with the expansion enabler

Why use CLARiiON with VMware ESX Server?

CLARiiON and VMware complement each other with the features that they provide. Some of the reasons

CLARiiON is an ideal fit for VMware in the midrange storage market include:

• CLARiiON provides a family of storage systems of varying specifications with Fibre Channel and

iSCSI connectivity. This allows the user to make the optimal choice of a storage system based on

capacity, performance, and cost.

• CLARiiON storage systems can scale quickly to manage anticipated data growth, especially

as the

storage need for virtual machines increases on the VMware ESX server.

• CLARiiON Virtual (or thin) Provisioning improves storage capacity utilization and simplifies storage

management by presenting a virtual machine with sufficient capacity for an extended period of time.

• CLARiiON storage can be shared across multiple ESX servers allowing storage consolidation to

provide efficient use of storage resources, which is valuable for clustering and VMotion.

• Software capabilities like VM-aware Navisphere and EMC Storage Viewer give storage and VMware

administrators efficient tools to validate changes, plan capacity, and diagnose problems on the ESX

and CLARiiON side.

• With EMC Replication Manager support for VMware ESX, customers have a single, easy-to-use

interface for provisioning and managing application-consistent replicas running inside a virtual

machine that is attached to the CLARiiON storage system.

• Virtual machine applications running on CLARiiON storage systems enhance performance and

therefore maximize functionality, reliability, and efficiency of the VMware ESX server as opposed to

internal server storage.

• Navisphere Manager suite provides web-based centralized control of global disk space, availability,

security, quality-of-service, replication, and reporting for virtual machines provisioned by the

CLARiiON storage system.

• The redundant architecture of the CLARiiON storage system provides no single point of failure,

thereby reducing application downtime and minimizing business impact for storage upgrades.

• The CLARiiON storage system’s modular architecture allows a mixture of EFDs, FC, and SATA

drives. EFDs and FC drives can be used for I/O intensive applications, while SATA drives are used for

backup and offloading old data, among other things.

CLARiiON configuration with VMware

This section discusses how CLARiiON hardware and software technologies work with VMware ESX

Server. It includes topics such as booting from SAN, CLARiiON array-based software implementation,

multipathing, and failover software from VMware.

Basic connectivity

Connecting ESX to the CLARiiON storage system requires LUN masking to be enabled (Access Logix™

or Storage Groups) in the SP Properties dialog box on the CLARiiON storage system. Access Logix

ensures that hosts only have access to “their” LUNs on the CLARiiON. In most customer environments,

CLARiiON assigns storage (Fibre Channel or iSCSI) to ESX and not to individual virtual machines. In

such a configuration, LUNs presented to the virtual machines are typically transparent to the guest

operating system. These LUNs assigned to ESX are not automatically assigned to the virtual machines; the

EMC CLARiiON Integration with

VMware ESX Server

Applied Technology 11

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