Silicon Graphics TP900 User manual

SGI®Total Performance 900
Storage System User’s Guide
007-4428-003

CONTRIBUTORS
Written by Olivier Clarinval, updated by Steven Levine
Illustrated by Dan Young and Chrystie Danzer
Production by Karen Jacobson
Engineering contributions byWendy Nunn, Glenn Stettler, and P. Van Tran.
COPYRIGHT
© 2001-2004 Silicon Graphics, Inc. All rights reserved; provided portions may be copyright in third parties, as indicated elsewhere herein. No
permission is granted to copy, distribute, or create derivative works from the contents of this electronic documentation in any manner, in whole
or in part, without the prior written permission of Silicon Graphics, Inc.
LIMITED RIGHTS LEGEND
The software described in this document is “commercial computer software” provided with restricted rights (except as to included open/free
source) as specified in the FAR 52.227-19 and/or the DFAR 227.7202, or successive sections. Use beyond license provisions is a violation of
worldwide intellectual property laws, treaties and conventions. This document is provided with limited rights as defined in 52.227-14..
TRADEMARKS AND ATTRIBUTIONS
Silicon Graphics is a registered trademark, and SGI, the SGI logo, and IRIS InSight are trademarks of Silicon Graphics, Inc., in the United States
and/or other countries worldwide.
For regulatory information, see Appendix B.

007-4428-003 iii
Record of Revision
Version Description
001 August 2001
Initial Revision
002 February 2004
Revision to support TP900 U320 release
003 May 2004
Firmware upgrade procedure removed

Contents
007-4428-003 v
Contents
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . xi
About This Guide. . . . . . . . . . . . . . . . . . . . . . . xiii
Audience . . . . . . . . . . . . . . . . . . . . . . . . . xiv
Related Publications . . . . . . . . . . . . . . . . . . . . . . xiv
Product Support . . . . . . . . . . . . . . . . . . . . . . . xiv
Reader Comments . . . . . . . . . . . . . . . . . . . . . . . xiv
1. Storage System Features . . . . . . . . . . . . . . . . . . . . . 1
Enclosure Chassis . . . . . . . . . . . . . . . . . . . . . . . 2
Front Panel LEDs . . . . . . . . . . . . . . . . . . . . . . . 4
Plug-in Modules . . . . . . . . . . . . . . . . . . . . . . . 5
Drive Carrier Modules . . . . . . . . . . . . . . . . . . . . 6
Power Supply Module . . . . . . . . . . . . . . . . . . . . 10
Input/Output (I/O) Module . . . . . . . . . . . . . . . . . . 12
Cooling Module . . . . . . . . . . . . . . . . . . . . . . 14
Dummy Carrier Modules . . . . . . . . . . . . . . . . . . . 16
Blank Modules . . . . . . . . . . . . . . . . . . . . . . 16
Storage System Bay Numbering Convention . . . . . . . . . . . . . . . 17
2. Setup and Operation . . . . . . . . . . . . . . . . . . . . . .19
Unpacking and Inspecting the Storage System. . . . . . . . . . . . . . .19
Connecting the Power Cord . . . . . . . . . . . . . . . . . . . . 20
Attaching Interface Cables . . . . . . . . . . . . . . . . . . . . 21
1 x 8 Configuration . . . . . . . . . . . . . . . . . . . . . 21
2 x 4 Configuration . . . . . . . . . . . . . . . . . . . . . 23

vi 007-4428-003
Contents
SCSI_ID Addressing . . . . . . . . . . . . . . . . . . . . . . 24
1x 8 Configuration. . . . . . . . . . . . . . . . . . . . . . 24
2 x 4 Configuration . . . . . . . . . . . . . . . . . . . . . 25
Powering On the Enclosure . . . . . . . . . . . . . . . . . . . . 26
Powering Off the Enclosure . . . . . . . . . . . . . . . . . . . . 27
Engaging the Anti-tamper Locks . . . . . . . . . . . . . . . . . . . 28
3. Replacing Modules . . . . . . . . . . . . . . . . . . . . . . 31
Pre-installation Safety Precautions . . . . . . . . . . . . . . . . . . 32
Dealing with Hardware Faults . . . . . . . . . . . . . . . . . . . 32
Continuous Operation during Replacement . . . . . . . . . . . . . . .32
Replacing Power Supply Modules . . . . . . . . . . . . . . . . . . 33
Replacing Cooling Modules . . . . . . . . . . . . . . . . . . . . 35
Replacing I/O Modules . . . . . . . . . . . . . . . . . . . . . 36
Replacing Drive Carrier Modules . . . . . . . . . . . . . . . . . . 37
Component Part Numbers . . . . . . . . . . . . . . . . . . . . 40
4. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 41
Overview . . . . . . . . . . . . . . . . . . . . . . . . . 42
Initial Startup Problems . . . . . . . . . . . . . . . . . . . . . 44
System Faults . . . . . . . . . . . . . . . . . . . . . . . . 45
Power Supply Faults . . . . . . . . . . . . . . . . . . . . . . 45
Cooling Module Faults. . . . . . . . . . . . . . . . . . . . . . 46
A. Technical Specifications . . . . . . . . . . . . . . . . . . . . . 47
Physical and Environmental Specifications . . . . . . . . . . . . . . . . 48
Power Requirements . . . . . . . . . . . . . . . . . . . . . . 49
B. Regulatory Information . . . . . . . . . . . . . . . . . . . . . 51
Manufacturer’s Declaration of Conformity . . . . . . . . . . . . . . . . 51
FCC Class B Conformance. . . . . . . . . . . . . . . . . . . . . 52
Industry Canada Notice (Canada Only) . . . . . . . . . . . . . . . . . 52
CE Notice . . . . . . . . . . . . . . . . . . . . . . . . . 53
VCCI Notice (Japan Only) . . . . . . . . . . . . . . . . . . . . . 53
Korean Regulatory Notice . . . . . . . . . . . . . . . . . . . . . 53
Shielded Cables. . . . . . . . . . . . . . . . . . . . . . . . 54

Contents
007-4428-003 vii
Electrostatic Discharge . . . . . . . . . . . . . . . . . . . . . 54
Electromagnetic Emissions . . . . . . . . . . . . . . . . . . . . 54
Index . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Figures
007-4428-003 ix
Figures
Figure 1-1 Front View of an SGI TP900 Storage System . . . . . . . 2
Figure 1-2 Rear Module Location in Standard Configuration . . . . . . 2
Figure 1-3 Rear Module Location in Redundant Configuration . . . . . 3
Figure 1-4 ESI/Ops Panel . . . . . . . . . . . . . . . . 4
Figure 1-5 Drive Carrier Module . . . . . . . . . . . . . . 6
Figure 1-6 Drive Carrier LED Indicators . . . . . . . . . . . . 7
Figure 1-7 Anti-tamper Locks . . . . . . . . . . . . . . . 8
Figure 1-8 Drive Information Label . . . . . . . . . . . . . 9
Figure 1-9 Power Supply Module . . . . . . . . . . . . . . 10
Figure 1-10 Power Supply Indicators . . . . . . . . . . . . . 11
Figure 1-11 Ultra-3 SCSI I/O Module . . . . . . . . . . . . . 12
Figure 1-12 I/O Modules in 1 x 8 Configuration . . . . . . . . . . 13
Figure 1-13 1 x 8 configuration U160/U320 Loopback Module . . . . . . 13
Figure 1-14 1 x 8 configuration U160 Loopback Module. . . . . . . . 14
Figure 1-15 Cooling Module . . . . . . . . . . . . . . . 15
Figure 1-16 Drive Bay Numbering . . . . . . . . . . . . . . 17
Figure 1-17 Rear Module Locations and Bay Numbering . . . . . . . 18
Figure 2-1 Attaching Interface Cable on 1 x 8 Configuration . . . . . . 22
Figure 2-2 Attaching Interface Cable on 2 x 4 Configuration . . . . . . 23
Figure 2-3 1 x 8 SCSI_ID Addressing . . . . . . . . . . . . . 24
Figure 2-4 2 x 4 SCSI_ID Addressing . . . . . . . . . . . . . 25
Figure 2-5 Activating an Anti-tamper Lock . . . . . . . . . . . 28
Figure 3-1 Power Supply Module Retaining Bracket . . . . . . . . 33
Figure 3-2 Power Supply Latch and Handle . . . . . . . . . . . 34
Figure 3-3 Cooling Module Retaining Bracket . . . . . . . . . . 35

x 007-4428-003
Figures
Figure 3-4 I/O Module Retaining Bracket . . . . . . . . . . . 36
Figure 3-5 Releasing the Carrier Handle . . . . . . . . . . . . 38
Figure 3-6 Carrier Camming Lever . . . . . . . . . . . . . 39
Figure 4-1 ESI/Ops Panel LEDs . . . . . . . . . . . . . . 42

Tables
007-4428-003 xi
Tables
Table 1-1 ESI/Ops LED States . . . . . . . . . . . . . . 4
Table 2-1 Supported cables . . . . . . . . . . . . . . . 21
Table 2-2 Drive enclosure device addressing . . . . . . . . . . 25
Table 2-3 Drive enclosure device addressing . . . . . . . . . . 26
Table 3-1 Component Part Numbers . . . . . . . . . . . . 40
Table 4-1 ESI/Ops LED States . . . . . . . . . . . . . . 43
Table 4-2 System Faults . . . . . . . . . . . . . . . . 45
Table 4-3 Power Supply Faults . . . . . . . . . . . . . . 45
Table 4-4 Cooling Module Faults. . . . . . . . . . . . . . 46
Table A-1 Physical and Environmental Specifications . . . . . . . . 48
Table A-2 Minimum Power Requirements . . . . . . . . . . . 49

007-4428-003 xiii
About This Guide
This guide explains how to operate and maintain the SGI Total Performance (TP) 900
SCSI storage system in the following chapters:
• Chapter 1, “Storage System Features”
• Chapter 2, “Setup and Operation”
• Chapter 3, “Replacing Modules”
• Chapter 4, “Troubleshooting”
• Appendix A, “Technical Specifications”
• Appendix B, “Regulatory Information”
An index completes this guide.

xiv 007-4428-003
About This Guide
Audience
This guide is written for owners and users of the SGI TP900 SCSI storage system. It
presumes general knowledge of SCSI technology and knowledge of the host SGI server,
the HBA, and other SCSI devices to which the storage system might be cabled.
Related Publications
Besides this manual and the manuals for the storage system third-party software, you
should locate the latest versions of the user’s guide for the servers. If you do not have
these guides, you can find the information online in the following locations:
• IRIS InSight Library. From the Toolchest, select Help > Online Books >
SGI EndUser or SGI Admin, and select the applicable owner’s or hardware guide.
• Technical Publications Library. If you have access to the Internet, see the following
URL:
http://techpubs.sgi.com/library/
Product Support
SGI provides a comprehensive product support and maintenance program for its
products:
• If you are in North America and want support for your SGI-supported products,
contact the Technical Assistance Center at 1-800-800-4SGI or your authorized
service provider.
• If you are outside North America, contact the SGI subsidiary or authorized
distributor in your country.
Reader Comments
If you have comments about the technical accuracy, content, or organization of this
document, contact SGI. Be sure to include the title and document number of the manual
with your comments. (Online, the document number is located in the front matter section

About This Guide
007-4428-003 xv
of the manual. In printed manuals, the document number is located at the bottom of each
page.)
You can contact SGI in any of the following ways:
• Send e-mail to the following address:
[email protected]
• Use the Feedback option on the Technical Publications Library Web page:
http://docs.sgi.com
• Contact your customer service representative and ask that an incident be filed in the
SGI incident tracking system.
• Send mail to the following address:
Technical Publications
SGI
1500 Crittenden Lane
Mountain View, California 94043-1351
SGI values your comments and will respond to them promptly.

007-4428-003 1
Chapter 1
1. Storage System Features
The SGI TP900 is a 2U-high 8-drive storage system that provides compact, high-capacity,
high-availability JBOD (“just a bunch of disks”) storage for supported SGI servers. The
enclosure backplane connects the 8 drives on one SCSI bus. As an option, the storage
system can also be configured on two SCSI busses (two strings of 4 drives). The SGI
TP900 is rack-mountable and is designed to use SCSI Parallel Interface 3 (SPI-3) capable
Low Profile (1-inch high) 3.5-inch disk drives. The drive carriers accept SGI-qualified
10,000 or 15,000 rpm U160/U320 SCSI disk drives.
This chapter gives information on the basic features of the SGI TP900 SCSI storage
system in the following sections:
• “Enclosure Chassis” on page 2
• “Front Panel LEDs” on page 4
• “Plug-in Modules” on page 5
• “Storage System Bay Numbering Convention” on page 17

2 007-4428-003
1: Storage System Features
Enclosure Chassis
The basic unit of the SGI TP900 storage system is the enclosure, which contains the disk
drives arranged in two rows of 4 drives, and the drive backplane in the front. The I/O,
power supply (PSU), and fan modules are located at the rear of the chassis. The chassis
uses two EIA units of rack space, and is fitted with 19-inch rack-mounting features,
which enable it to be mounted into standard 19-inch racks.
Figure 1-1 shows the front of the enclosure, with the full complement of 8 disk drive
modules.
Figure 1-1 Front View of an SGI TP900 Storage System
Figure 1-2 shows the back of an enclosure, which contains one of each of the following:
cooling module, cooling blank module, PSU module, PSU blank module, I/O module,
and I/O loopback module.
Figure 1-2 Rear Module Location in Standard Configuration
FAULT
OUTPUT
GOOD
CHANNEL 2 CHANNEL 1
I/O moduleI/O loopback module
PSU Retaining bracket Retaining bracket
Cooling module PSU blank module
Cooling blank module ID range

Enclosure Chassis
007-4428-003 3
Blank modules occupy unoccupied empty bays and must be in place for proper
operation and to ensure correct airflow. The component modules are discussed in detail
in “Plug-in Modules” on page 5.
Figure 1-3 shows the back of a fully configured redundant enclosure with two cooling
modules, two PSU modules, and two I/O modules.
Figure 1-3 Rear Module Location in Redundant Configuration
FAULT
OUTPUT
GOOD
FAULT
OUTPUT
GOOD
CHANNEL 2 CHANNEL 1CHANNEL 2 CHANNEL 1
I/O moduleI/O module
PSU PSU
Retaining bracket Retaining bracket
Cooling module
Cooling module
ID range
ID range

4 007-4428-003
1: Storage System Features
Front Panel LEDs
The Enclosure System Interface/Operators (ESI/Ops) panel consists of three status
indicator LEDs that are located on the front of the enclosure. The ESI/Ops panel provides
the enclosure with a micro controller that is used to monitor and control all elements of
the enclosure. Each element (system, power, and cooling status) is interfaced to the
processor. Figure 1-4 shows the ESI/Ops panel.
Figure 1-4 ESI/Ops Panel
Table 1-1 summarizes the functions of the LEDs on the ESI/Ops panel. See Chapter 4 for
descriptions of common problems, with possible solutions, that can occur with your SGI
TP900 system.
Table 1-1 ESI/Ops LED States
LED LED State and Meaning
System status Green signifies that power is applied to the enclosure.
Amber signifies that the ESI processor has failed.
Power status Green signifies that the power supplies are functioning normally.
Amber signifies that there is a PSU failure in a dual-PSU enclosure.
In the event of a PSU failure in a single-PSU enclosure, all LEDs are off.
Cooling status Green signifies that all fans are functioning normally.
Amber signifies that there is a fan failure.
System status Cooling status
Power status