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Abstract
The HP StorageWorks Modular Smart Array 500 (MSA500) offers 2-node clustering, Recovery
Server, and up to 4-node shared storage support at SCSI economics, while providing high data
availability with redundant controllers and multi-path I/O technology. As your storage requirements
evolve and you need to expand your storage system to greater capacity or to attach more than four
servers, the Modular Smart Array 500 is easily convertible to a SAN because it is based on DAS-to-
SAN (DtS) technology.
This “how-to” details the steps to convert a Modular Smart Array 500 to a Modular Smart Array
1000 (MSA1000) in a direct attached environment.
Introduction
The Modular Smart Array 500 (Figure 1) is an enclosure supporting 2-node clustering or shared direct
attached storage at SCSI economics, while providing high data availability with redundant controllers
and multi-path I/O technology. Because Modular Smart Array 500 is based on the familiar SCSI
technology, there are no additional infrastructure requirements such as hubs, switches, and cables.
Figure 1. Modular Smart Array 500 system
This allows for a low initial investment for a high availability system supporting up to 2 terabytes (TB)
of data and up to four servers. As your storage requirements evolve and you want to implement a
Fibre Channel solution for additional scalability such as multi-cluster functionality, the Modular Smart
Array 500 is easily convertible to a SAN.
The Modular Smart Array 500 system offers DAS-to-SAN (DtS) technology, a quick-and-easy way to
convert the Modular Smart Array 500 system to the HP StorageWorks Modular Smart Array 1000
when customer requirements change. Modular Smart Array 1000, built upon Smart Array technology,
is the first generation 2-gigabyte (GB) Fibre Channel storage system designed for the mid-range
Storage Area Network (SAN). Designed to reduce the complexity, expense, and risk of SAN
deployments in a heterogeneous x86 server environment, the Modular Smart Array 1000 provides
the customer a scaleable storage system with investment protection in mind.
To convert the Modular Smart Array 500 system to a SAN, customers simply remove the Modular
Smart Array 500 controller(s) (Figure 2), replace them with StorageWorks Modular Smart Array
1000 controller(s), and add a Fibre Channel I/O board or Fibre Channel switchboard.
This “how-to” explains the path customers can take to migrate to a Storage Area Network (SAN). The
migration procedures cover converting a base-configured Modular Smart Array 500 to a base-
configured Modular Smart Array 1000.