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Technical white paper | HP RA for Red Hat Storage Server on HP ProLiant SL4540 Gen8 Server

As a result of these trends, organizations are frequently forced into buying expensive solutions to meet their storage

requirements. Every time organizations want to add more data, they have to purchase additional storage capacity. Every

time they add more capacity, they have to sacrifice performance, as many storage solutions do not scale linearly. Making

matters worse, many storage solutions often have rigid architectures with limited deployment options, and are not flexible

enough to both scale up, by adding more capacity, and scale out, by adding more nodes. Furthermore, JBOD (just a bunch of

disk) solutions frequently introduce complexity through considerable hardware variety, which lacks a cohesive scalability

strategy and management model. Strategies are needed that enable both cost-effective growth and scalability of storage

for unstructured data.

Scale-out storage with HP and Red Hat

Once thought of as a niche approach, software defined storage has emerged as a compelling solution. Just as scale-out

server architectures have revolutionized cost-effective computing, scale-out storage offers many of the same benefits for

storage. Virtualization and cloud computing benefit in particular, with software defined storage offering a more scalable

storage infrastructure to support rapid virtual machine growth. The same aspects of scale-out storage that make it ideal for

virtualization and cloud make it ideal for serving unstructured data of all kinds.

Red Hat Storage Server running on HP ProLiant SL4540 Gen8 servers represents a purpose-built solution that takes scale-

out storage to a new level of density and volume economics—allowing organizations to effectively store and manage

petabyte-scale data growth. Together, Red Hat Storage Server and the flexible and scalable HP ProLiant SL4540 Gen8

server offer cost-effective multi-dimensional storage scalability. In fact, Red Hat and HP estimate that a 5PB installation

based on Red Hat Storage Server and HP ProLiant SL4540 Gen8 servers could offer a 30% savings in infrastructure, space,

power, and cooling costs over a comparable JBOD configuration over a three-year period, including:

• 50% less space

• 61% less power

• 75% less administration time

• 63% fewer cables

The HP ProLiant SL4540 Gen8 Server is an excellent choice for running Red Hat Storage Server and is available in one of

three configurations (each of these configurations is available in a 4.3U form factor chassis):

• 1 node configuration – one compute node with up to two small form factor (SFF) 2.5" hard disk drives (HDD) and up to

sixty (60) large form factor (LFF) 3.5" hard disk drives (HDD)

• 2 node configuration – two compute nodes, each with up to two small form factor (SFF) 2.5" hard disk drives (HDD) and

up to twenty-five (25) large form factor (LFF) 3.5" hard disk drives (HDD)

• 3 node configuration – three compute nodes, each with up to two small form factor (SFF) 2.5" hard disk drives (HDD) and

up to fifteen (15) large form factor (LFF) 3.5" hard disk drives (HDD)

This document will focus on the 2 node configuration of the HP ProLiant SL4540 that can hold a total of fifty (50) large form

factor (LFF) 3.5" hard disk drives (HDD) in the storage section and four small form factor (SFF) 2.5" HDDs (two for each

server node). Each node within the HP ProLiant SL4540 is a dual socket Gen8 server, with a choice of Intel® Xeon®

processors ranging from quad-core to ten-core processors, up to 192GB of memory and a single PCIe slot for expansion.

Furthermore, you have a choice of mixing SATA, SAS, and SSD drives within the chassis depending on the disk performance

needed for your application, and there is an option for Flash IO Accelerator cards to enhance IO capabilities.

Overview

The combination of Red Hat Storage Server and HP ProLiant SL4540 Gen8 servers provides a next-generation scale-out

storage solution. Red Hat Storage Server is a software-defined scale-out file and object storage software solution for

private cloud or datacenter, public cloud, and hybrid cloud environments. Red Hat Storage Server is software-only, open

source, and designed to meet unstructured, semi-structured, and big data storage requirements.

Red Hat Storage Server enables organizations to combine large numbers of HP ProLiant SL4540 Gen8 servers into a high-

performance, virtualized, and centrally-managed storage pool. Both capacity and performance can scale linearly and

independently on demand, from a few terabytes to petabytes and beyond. By combining economical HP ProLiant SL4540

Gen8 servers with a scale-out approach, organizations can achieve radically better price and performance in an easily

deployed and managed solution that can be configured for increasingly demanding workloads.

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