NEC VERSA S1300 Series User manual

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User’s Guide ■■■■■■■
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NEC Storage S1300

Proprietary Notice and Liability Disclaimer
The information disclosed in this document, including all designs and related materials, is
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The NEC Computers International product(s) discussed in this document are warranted in
accordance with the terms of the Warranty Statement accompanying each product.
However, actual performance of each product is dependent upon factors such as system
configuration, customer data, and operator control. Since implementation by customers of
each product may vary, the suitability of specific product configurations and applications
must be determined by the customer and is not warranted by NEC Computers International.
To allow for design and specification improvements, the information in this document is
subject to change at any time, without notice. Reproduction of this document or portions
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Copyright 2003
NEC Computers International B.V
Nieuweweg 279
6603 BN Wijchen
The Netherlands
All Rights Reserved

Contents
Proprietary Notice
Using This Guide ............................................................................................vii
Text Conventions ............................................................................................................... viii
Related Documents .............................................................................................................. ix
Safety Notices ....................................................................................................................... x
General Notices................................................................................................................ x
Safety Notices for Users Outside of the U.S.A. and Canada .......................................... xi
Fire Related Notices....................................................................................................... xii
Shock Related Notices .................................................................................................. xiii
Rack-mount Related Notices ........................................................................................ xiv
Care and Handling ......................................................................................................... xv
System Overview ...........................................................................................1-1
Overview ............................................................................................................................ 1-2
System Chassis................................................................................................................... 1-3
Front Panel .................................................................................................................... 1-3
Rear Panel ..................................................................................................................... 1-5
System Power................................................................................................................ 1-7
Controller ......................................................................................................................1-9
Battery Backup Units .................................................................................................. 1-11
LAN Card.................................................................................................................... 1-12
Connection to UPS Systems................................................................................ 1-13
System Features ............................................................................................................... 1-14
RAID Configuration ................................................................................................... 1-15
Logical Disk Capacity................................................................................................. 1-16
Arbitrary Logical Disk Capacity ......................................................................... 1-16
Maximum Logical Disk Capacity ....................................................................... 1-17
Dummy Logical Disk.................................................................................................. 1-18
Hot Spare Feature........................................................................................................ 1-18
Auto Repair Mode....................................................................................................... 1-19
Repair Time ................................................................................................................ 1-19
Write Cache Feature.................................................................................................... 1-20
1-BBU Cache Enable Mode........................................................................................ 1-21
1-CNT Cache Enable Mode........................................................................................ 1-21
Cross Call Feature....................................................................................................... 1-22
Initial Assignment Feature .......................................................................................... 1-23
Auto Assignment Feature............................................................................................ 1-23
Path Fail-Over Feature ................................................................................................ 1-24
Expand LUN ............................................................................................................... 1-24
Dynamic Capacity Expansion..................................................................................... 1-24
Access Control Feature ............................................................................................... 1-26
About Access Control ......................................................................................... 1-26
Modes Supported by Access Control .................................................................. 1-26
Administration Software ............................................................................................. 1-29
NEC Storage Manager (iSM).............................................................................. 1-29
NEC Storage AccessControl for S1300 .............................................................. 1-29
NEC Storage PathManager ................................................................................. 1-29
Updating of Control Software..................................................................................... 1-30
Contents iii

Setting Up the System...................................................................................2-1
Overview ............................................................................................................................2-2
Unpacking the System ........................................................................................................2-2
Checking the Package Contents ....................................................................................2-3
Installation and Connection Procedures .............................................................................2-4
Installation Flow............................................................................................................2-4
Mounting the Disk Array Unit into a Rack Cabinet......................................................2-5
Unpacking the Rack Mounting Hardware .............................................................2-5
Before You Begin..................................................................................................2-5
Installing the Rail Assemblies to the Rack Cabinet...............................................2-5
Installing the Disk Array Unit in the Rack ..........................................................2-10
Installing Cables ..................................................................................................2-11
Connecting the Disk Array Unit..................................................................................2-12
Notes on Connecting the Disk Array Unit...........................................................2-13
Connecting the Disk Array Unit to the Host System...........................................2-14
Connecting the Ethernet Cable ............................................................................2-18
Connecting the Power Cords ...............................................................................2-19
Using the Disk Array Unit................................................................................................2-20
Notes on Handling the Disk Array Unit ......................................................................2-20
Powering On the Disk Array Unit ...............................................................................2-21
Powering Off the Disk Array Unit ..............................................................................2-22
Upgrading the System...................................................................................3-1
Overview ............................................................................................................................3-2
Adding Hard Disk Drives ...................................................................................................3-2
Installation Procedure....................................................................................................3-3
Setting Procedures.........................................................................................................3-6
Logical Disk Setting Procedure.............................................................................3-6
Spare Disk Setting Procedure ................................................................................3-6
Adding Disk Enclosures .....................................................................................................3-7
Connecting a Disk Enclosure to the Disk Array Unit ...................................................3-7
Connecting a Disk Enclosure to Another Disk Enclosure...........................................3-10
Removing a Disk Enclosure ........................................................................................3-13
Problem Solving ............................................................................................4-1
Overview ............................................................................................................................4-2
Troubleshooting Checklists ................................................................................................4-3
Fault LED Indicator Description ........................................................................................4-4
Replacing Defective Devices..............................................................................................4-5
Replacing a Fibre Channel Controller...........................................................................4-5
Replacing the LAN Card ...............................................................................................4-8
Replacing a Power Supply Unit ..................................................................................4-10
Replacing a Battery Backup Unit ................................................................................4-16
Replacing a Hard Disk Drive ......................................................................................4-17
Computer Viruses .............................................................................................................4-20
Service and Support..........................................................................................................4-20
Disposing of the Disk Array Unit.....................................................................................4-20
iv Contents

Appendix ....................................................................................................... A-1
Technical Specifications ................................................................................................... A-2
Creating a Logical Disk..................................................................................................... A-4
Unbinding the Existing Logical Disk........................................................................... A-4
Binding the New Logical Disk..................................................................................... A-4
Turning On the Cross Call Feature .............................................................................. A-5
How to Change the Topology and Data Transfer Rate ..................................................... A-6
Contents v

vi Contents

Using This Guide
This User’s Guide provides a quick reference to information about your NEC Storage
S1300 disk array unit. Its goal is to familiarize you with the unit and the tasks necessary for
installation and upgrading.
This guide contains the following information:
 Chapter 1, “System Overview” provides an overview of the disk array unit and describes
its major components. See this chapter to familiarize yourself with your storage system.
 Chapter 2, “Setting Up Your System” tells you how to unpack the unit, make cable
connections, and use your system. It includes information on mounting the unit into a
rack cabinet.
 Chapter 3, “Upgrading Your System” provides you with instructions for expanding your
system’s storage capacity with additional hard disk drives and expansion disk
enclosures.
 Chapter 4, “Problem Solving” contains helpful information for solving problems that
might occur with your storage system.
 The appendix provides specifications for your storage system and explains how to
change the topology and data transfer rate.
Using This Guide vii

Text Conventions
This guide uses the following text conventions.
Warnings, cautions, and notes have the following meanings:
WARNING
!
Warnings alert you to situations that could result in serious personal injury or loss
of life.
!
CAUTION
Cautions indicate situations that can damage the system hardware or software.
Ignoring the instructions contained in these boxes may result in equipment
damage, software damage or loss of data.
Note: Notes give important information about the material being described.
viii Using This Guide

Related Documents
In addition to this guide, the following system documentation is included with your disk
array unit either as electronic files on the SAN STORAGE BUILDER CD-ROM or as
paper copy shipped with the unit.
 System Release Notes
Release Notes provide you with the latest information about your system. This
information was not available to be included in your user's guide at the time it was
developed and released.
 NEC Storage Quick Reference Guide
The Quick Reference Guide lists all software products available for your disk array unit
and tells you how to use the user’s manuals included on the SAN STORAGE BUILDER
CD-ROM.
 NEC Storage Manager User’s Manual (on the SAN STORAGE BUILDER CD)
Refer to this manual for detailed explanations on using the management software NEC
Storage Manager that comes standard with your system.
 NEC Storage Manager Messages Handbook (on the SAN STORAGE BUILDER CD)
This manual lists and describes messages displayed by NEC Storage Manager as well as
corrective actions.
 NEC Optional Software Manual (on the SAN STORAGE BUILDER CD)
Refer to this manual for detailed explanations on the various optional software programs
that can be used with the disk array unit.
Using This Guide ix

Safety Notices
General Notices
WARNING
!
Lithium batteries can be dangerous. Improper handling of lithium batteries may
result in an explosion. Dispose of lithium batteries as required by local ordinance.
Replace only with the same or equivalent type battery.
This equipment uses 3-wire, grounded power cords. To prevent electrical
hazards, do not remove or defeat the ground prong on the power cords. Replace
a power cord if it gets damaged. The detachable power supply cords are intended
to serve as the disconnect devices. Contact your dealer for an exact replacement.
The DC push-button on/off switches do not turn off the system AC power. Also,
+5vdc is present within the system whenever the AC power cords are connected
between the system and AC outlets. Before doing the procedures in this manual,
make sure that your system is powered off and unplug the AC power cords from
the back of the chassis. Failure to disconnect power before opening your system
can result in personal injury and/or equipment damage.
Under no circumstances should you attempt to disassemble a power supply. The
power supply has no user-replaceable parts. Inside the power supply are
hazardous voltages that can cause serious personal injury. A defective power
supply must be returned to your dealer.
Never connect the ground wire to a gas pipe. There is a risk of gas explosion.
The disk array unit can weigh up to 45 kg (depending on its hardware
configuration). If you carry it alone, injuries may result. It takes at least three
people to carry it; hold the equipment firmly by its bottom. Do not hold the front
bezel, or it may become detached, causing an injury.
Immediately after powering off the system, components such as controllers and
hard disk drives may be very hot. Wait for the system to cool down completely
before adding/removing components.
Do not attempt to remove a device while it is in operation. Device malfunction or
personal injury may result.
Be careful not to get your fingers or hair caught in cooling fans.
x Using This Guide

 Be sure to power off the equipment and unplug its power cords from the wall outlets
before installation/relocation. All voltage is removed only when the power cords are
unplugged.
 Turn off your cellular phone or pager when you use the equipment. Their radio waves
may cause the equipment to malfunction.
 Do not use damaged power cords. (Replace them with new power cords of the same
type.)
 In the U.S.A. and Canada, the power cord must be a UL-listed detachable power cord (in
Canada, CSA-certified), type ST or SJT, 16 AWG, 3-conductor, provided with a
molded-on NEMA type 5-15 P plug cap at one end and a molded-on cord connector
body at the other end. The cord length must not exceed 9 feet (2.7 meters).
 Outside the U.S.A. and Canada, the plug must be rated for 250 VAC, 10 amp minimum,
and must display an international agency approval marking. The cord must be suitable
for use in the end-user country. Consult your dealer or the local electrical authorities if
you are unsure of the type of power cord to use in your country. The voltage change
occurs via a switch in the power supply.
Safety Notices for Users Outside of the U.S.A. and Canada

PELV (Protected Extra-Low Voltage) Integrity: To ensure the extra-low voltage
integrity of the equipment, connect only equipment with mains-protected electrically-
compatible circuits to the external ports.
 Remote Earths: To prevent electrical shock, connect all local (individual office)
computers and computer support equipment to the same electrical circuit of the building
wiring. If you are unsure, check the building wiring to avoid remote earth conditions.
 Earth Bonding: For safe operation, only connect the equipment to a building supply
that is in accordance with current wiring regulations in your country. In the U.K., those
regulations are the IEE.
Using This Guide xi

Fire Related Notices
WARNING
!
To prevent fires, and damage to the equipment and supply wiring, make sure that
the rated load of the power branch circuit is not exceeded. Equipment nameplate
ratings should be used when addressing this concern. For more information on
installation and wiring of power-related facilities, contact your electrician or local
power company.
If the equipment emits smoke, odor, or unexpected noise, immediately turn off the
system, unplug the power cords, and contact your sales agent. There may be a
risk of fire.
Use a wall outlet with the specified voltage rating and power type. Otherwise,
there is a risk of fire or current leakage.
Avoid installing the equipment where you may need to use an extension cord. If
you use a cord that does not meet power specifications, there is a risk of
overheating that could lead to a fire.
Insert the plug firmly into an outlet. Otherwise, there is a risk of heat or fire due to
poor contact. If dust settles on the slots and it absorbs moisture, there is also a
risk of heat or fire.
Use only the supplied power cords. If the power cord rating is exceeded, there is
a risk of fire. Also observe the following prohibitions to prevent damage to cords:
Do not pull on the cord.
Do not pinch the cord.
Do not bend the cord.
Keep chemicals away from the cord.
Do not twist the cord.
Do not place any object on the cord.
Do not bundle several cords.
Do not alter, modify, or repair the cord.
Do not staple the cord.
Use only interface cables designed for your system. Identify which component or
connector to attach beforehand. If you use a wrong cable or make a wrong
connection, there is a risk of short-circuit that could lead to a fire. You also have
to observe the following prohibitions about handling and connecting interface
cables:
Do not use any damaged cable connector.
Do not step on the cables.
Disconnect the power plug from the outlet occasionally and clean the plug with
a dry cloth. Heat will be generated if condensation is formed on a dusty plug,
which may cause a fire.
Firmly install all power cords, interface cables and/or boards. An incompletely
installed component may cause a contact failure, resulting in fire and/or smoke.
xii Using This Guide

Shock Related Notices
WARNING
!
Do not insert a wire or metal objects into a vent or disk drive slot. There is a risk
of electric shock.
Do not spill liquids on or into the equipment. Do not push any foreign objects
(e.g., pins or paper clips) into the equipment. There is a risk of fire, electric shock,
and breakdown. If this happens, immediately turn off the power and unplug the
cords. Contact your sales agent; do not try to disassemble it yourself.
Do not plug/unplug a power cord with a wet hand. There is a risk of electric shock.
Make sure to power off the system and unplug the power cords from power
outlets before installing/removing any optional internal device or
connecting/disconnecting any interface cable to/from the system. If the system is
powered off, but its power cords are plugged to a power source, touching an
internal device, cable, or connector may cause an electric shock or a fire.
Unless described herein, never attempt to disassemble, repair, or alter the
equipment. There is a risk of electric shock or fire as well as malfunction.
You may want to unplug the equipment if a thunderstorm is eminent. Do NOT
touch the equipment and cables during a thunderstorm in your area. There is a
risk of fire or electric shock.
Make sure to power off the system and disconnect the power plug from a power
outlet before cleaning or installing/removing internal optional devices. Touching
any internal device of the system with the power cords connected to a power
source may cause an electric shock even if the system is powered off.
Using This Guide xiii

Rack-mount Related Notices
WARNING
!
It takes at least two people to carry or maneuver a rack. Otherwise, it may be
dropped and cause injuries or damage to physical assets. A tall rack (such as
42U rack) is quite unstable, especially when not fixed by stabilizers.
For stability and to distribute the weight, attach stabilizers or install two or more
racks together. Otherwise, the rack may topple over and cause injuries.
It takes at least two people to mount doors and trays to a rack. Otherwise, parts
may be dropped causing breakage or injuries.
If you extend two or more devices from the rack at the same time, the rack may
topple over on you. Extend only one device from the rack at a time.
Install the equipment into a 19-inch rack conforming to EIA standards. Do not use
the equipment without a rack or install it on a nonconforming rack. Otherwise, the
equipment may not function properly, and there is a risk of equipment damage or
personal injury. For suitable racks, contact your sales agent.
Exercise great care not to hurt your fingers on the rail when you mount/dismount
the equipment into/from the rack.
 Elevated Operating Ambient Temperature – If installed in a closed or multi-unit rack
assembly, the operating ambient temperature of the rack environment may be greater
than the room ambient environment. Therefore, consideration should be given to
installing the equipment in an environment compatible with a maximum rated ambient
temperature of 35°C.
 Reduced Air Flow – Installation of the equipment in a rack should be such that the
amount of air flow required for safe operation of the equipment is not compromised.
 Before pulling a server or device out of a rack, make sure that the rack is secured by
stabilizers.
 To prevent fires, and damage to rack equipment and supply wiring, make sure that the
rated load of the power branch circuit is not exceeded. Equipment nameplate ratings
should be used when addressing this concern. For more information on installation and
wiring of power-related facilities, contact your electrician or local power company.
 To prevent electrical shock, connect all rack and rack support equipment to the same
electrical circuit of the building wiring. If you are unsure, check the building wiring to
avoid remote earth conditions.
 For safe operation, only connect the equipment to a building supply that is in accordance
with current wiring regulations in your country. In the U.K., those regulations are the
IEE.
xiv Using This Guide

Care and Handling
Use the following guidelines to properly handle and care for your system.
Protect the system from extremely low or high temperatures. Let the
system warm (or cool) to room temperature before using it.
Keep the system away from magnetic forces.
Keep the system dry. Do not wash the system with a wet cloth or pour
fluid into it.
Protect the system from being bumped or dropped.
Check the system for condensation. If condensation exists, allow it to
evaporate before powering on the system.
Keep the system away from dust, sand, and dirt.
Using This Guide xv

xvi Using This Guide

1
System Overview
 Overview
 System Chassis
 System Features

Overview
Your disk array unit is an innovative, high-performance fibre storage solution providing
modular scalability, maximum reliability and centralized management. It allows storage
resources to be shared between multiple servers and offers a smooth evolution to
complex SAN environments protecting your initial investment. Your system is
conveniently housed and available in a space saving 3U rack-mount design.
Figure 1-1 Front View
Your disk array unit is the perfect solution to consolidate your critical data and easily
have access to them. To this end, it includes the following:
 An advanced Fibre Channel-Arbitrated Loop (FC-AL) architecture providing a
2Gbps data transfer rate and enhanced connectivity to disks.
 Support for RAID levels 0, 1, 5 and 10 for maximum data reliability.
 Expandable storage capacity with the connection of up to six disk enclosures
accommodating up to 90 additional hard disk drives.
 Centralized management using NEC Storage Manager software (iSM), which
simplifies storage subsystem set-up and management by integrating RAID
configuration and volume management features into a single application. NEC
iSM software displays the configuration of logical disks and controllers, notifies
potential troubles or faults and monitors the global performance of the system.
Your disk array unit features or has the option to feature the following major
components:
 A high-performance microprocessor.
 3 to 15 high-speed disk modules spinning at 10,000rpm or 15,000rpm, providing
a maximum capacity of 2Tbytes.
 2Gbps Fibre Channel controllers for both host and disk module interfaces.
 512MByte cache memory for each controller.
 Redundant power supplies, fans and even battery backup units maximizing
system uptime.
1-2 System Overview