Storage Expansion; Sgi Tp900 Storage Module - Silicon Graphics Origin 300 User Manual

1: Introduction

Storage Expansion

SGI TP900 Storage Module

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Each Origin 300 base module contains two disk-drive bays; however, you can add
additional storage to the system as follows:
• For a SCSI (small computer system interface) JBOD (just a bunch of disks) solution,
SGI offers the SGI Total Performance 900 (TP900) storage module.
• For a Fibre Channel solution that supports both JBOD and RAID configurations,
SGI offers the SGI Total Performance 9100 (TP9100) storage system.
• For a Fibre Channel RAID solution, SGI offers the SGI Total Performance 9400
(TP9400) storage system.
These solutions are discussed in the subsections that follow.
The SGI TP900 storage module, shown in Figure 1-15, is a 2U-high 8-drive storage
system that provides compact, high-capacity, high-availability JBOD storage for the
Origin 300 base modules. The enclosure backplane connects the 8 drives on one SCSI bus.
As an option, the storage module can also be configured on two SCSI buses (two strings
of 4 drives).
This storage module has the following features:
• Affordable.
• Mounts in a standard 19-in. rack; available in factory-installed configurations with
the Origin 300 base modules.
• Uses SCSI Parallel Interface 3 (SPI-3) capable Low Profile (1-inch high) 3.5-inch disk
drives.
• Has drive carriers that accept SGI-qualified 10,000- or 15,000-RPM U160 SCSI disk
drives.
• Is AC-powered. Receives 200/240 Vac input power from the PDU or power strip.
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