Figure 1.1 External View; Chapter 1 Overview - Fujitsu ETERNUS DX80 S2 Overview

Chapter 1
Overview
This chapter provides an overview and describes the features of the ETERNUS DX Disk storage system.

Figure 1.1 External view

■ Scalability
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Unit size
The base unit size is 2U (*1). 2.5" type (24 drives for each enclosure) and 3.5" type (12 drives for each
enclosure) are available.
*1: 2U is the height for a device that can be installed in two 19-inch rack units (1U = 44.45mm).
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Drives
The ETERNUS DX Disk storage system supports high performance online disks (*2), cost effective Nearline
disks with large amounts of capacity (*3), and SSDs that provide super-fast access.
Up to 120 drives can be installed in the ETERNUS DX80 S2. Up to 240 drives can be installed in the ETERNUS
DX90 S2. 2.5" drives and 3.5" drives can be installed together in the same ETERNUS DX Disk storage system.
*2: Disks with high performance and high reliability for accessing data frequently. SAS disks are provided as online
disks.
*3: Disks with high capacity and high reliability for data backup. Nearline SAS disks are provided as Nearline disks.
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Host interfaces
Host interfaces can be selected from FC 16Gbit/s, FC 8Gbit/s, iSCSI 10Gbit/s, iSCSI 1Gbit/s, FCoE 10Gbit/s,
and SAS 6Gbit/s. Up to eight ports can be installed in a single ETERNUS DX Disk storage system. Different
types of host interfaces can exist together in the same ETERNUS DX Disk storage system.
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Cache capacity
The maximum capacity of cache memory that can be installed in a single ETERNUS DX80 S2 is 4GB. The
maximum capacity of cache memory that can be installed in a single ETERNUS DX90 S2 is 8GB.
2.5" drive configuration
ETERNUS DX80 S2/DX90 S2 Disk storage system Overview
Copyright 2013 FUJITSU LIMITED
3.5" drive configuration
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