This manual describes the hp StorageWorks edge switch 2/16
and attached hp StorageWorks ha-fabric manager (HAFM)
application. For service representatives, it describes diagnostic
procedures, repair procedures, and the removal and replacement
procedures for field-replaceable units (FRUs). An illustrated parts
breakdown is included for all FRUs.
but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential
damages in connection with the furnishing, performance, or use of this material.
This document contains proprietary information, which is protected by copyright. No part of this
document may be photocopied, reproduced, or translated into another language without the prior
written consent of Hewlett-Packard. The information contained in this document is subject to change
without notice.
Microsoft, MS-DOS, and Windows are trademarks of Microsoft Corporation in the U.S. and/or
other countries.
All other product names mentioned herein may be trademarks of their respective companies.
Hewlett-Packard Company shall not be liable for technical or editorial errors or omissions contained
herein. The information is provided “as is” without warranty of any kind and is subject to change
without notice. The warranties for Hewlett-Packard Company products are set forth in the express
limited warranty statements accompanying such products. Nothing herein should be construed as
constituting an additional warranty.
Printed in the U.S.A.
edge switch 2/16 service manual
First Edition (August 2002)
Part Number: A7284-96002/AA-RS2JA-TE
Cross-reference linksBlue text: Figure 1
Key names, menu items, buttons, and
dialog box titles
File names, application names, and text
emphasis
User input, command names, system
responses (output and messages)
Variables
Website addressesSans serif font (http://thenew.hp.com)
Bold
Italics
Monospace font
COMMAND NAMES
unless they are case sensitive
Monospace, italic font
are uppercase
xivedge switch 2/16 service manual
Symbols in Text
These symbols may be found in the text of this manual. They have the following
meanings.
WARNING: Text set off in this manner indicates that failure to follow directions
in the warning could result in bodily harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions could
result in damage to equipment or data.
IMPORTANT: Text set off in this manner presents clarifying information or specific instructions.
NOTE: Text set off in this manner presents commentary, sidelights, or interesting points of
information.
Symbols on Equipment
About this Guide
Any enclosed surface or area of the equipment marked with these
symbols indicates the presence of electrical shock hazards. Enclosed
area contains no operator serviceable parts.
WARNING: To reduce the risk of injury from electrical shock hazards, do
not open this enclosure.
Any RJ-45 receptacle marked with these symbols indicates a network
interface connection.
WARNING: To reduce the risk of electrical shock, fire, or damage to the
equipment, do not plug telephone or telecommunications connectors into
this receptacle.
xvedge switch 2/16 service manual
About this Guide
Any surface or area of the equipment marked with these symbols
indicates the presence of a hot surface or hot component. Contact with
this surface could result in injury.
WARNING: To reduce the risk of injury from a hot component, allow the
surface to cool before touching.
Power supplies or systems marked with these symbols indicate the
presence of multiple sources of power.
WARNING: To reduce the risk of injury from electrical shock,
remove all power cords to completely disconnect power from the
power supplies and systems.
Any product or assembly marked with these symbols indicates that the
component exceeds the recommended weight for one individual to
handle safely.
WARNING: To reduce the risk of personal injury or damage to the
equipment, observe local occupational health and safety requirements
and guidelines for manually handling material.
Rack Stability
WARNING: To reduce the risk of personal injury or damage to the equipment, be
sure that:
•The leveling jacks are extended to the floor.
•The full weight of the rack rests on the leveling jacks.
•In single rack installations, the stabilizing feet are attached to the rack.
•In multiple rack installations, the racks are coupled.
•Only one rack component is extended at any time. A rack may become
unstable if more than one rack component is extended for any reason.
xviedge switch 2/16 service manual
Getting Help
If you still have a question after reading this manual, contact an HP authorized service
provider or access our website: http://thenew.hp.com.
HP Technical Support
In North America, call technical support at 1-800-652-6672, available 24 hours a day,
7 days a week.
NOTE: For continuous quality improvement, calls may be recorded or monitored.
Outside North America, call technical support at the nearest location. Telephone
numbers for worldwide technical support are listed on the HP website under support:
http://thenew.hp.com/country/us/eng/support.html
Be sure to have the following information available before calling:
•Technical support registration number (if applicable)
•Product serial numbers
•Product model names and numbers
About this Guide
.
•Applicable error messages
•Operating system type and revision level
•Detailed, specific questions
HP Website
The HP website has the latest information on this product, as well as the latest drivers.
Access storage at: http://thenew.hp.com/country/us/eng/prodserv/storage.html
website, select the appropriate product or solution.
HP Authorized Reseller
For the name of your nearest HP Authorized Reseller:
•In the United States, call 1-800-345-1518
•In Canada, call 1-800-263-5868
•Elsewhere, see the HP website for locations and telephone numbers:
http://thenew.hp.com.
. From this
xviiedge switch 2/16 service manual
1
General InformationI
The hp StorageWorks edge switch 2/16 provides dynamic switched connections
between Fibre Channel servers and devices in a storage area network (SAN)
environment. SANs introduce the concept of server-to-device networking and
multi-switch fabrics, eliminate requirements for dedicated connections, and enable the
enterprise to become data centric.
A SAN provides speed, high capacity, and flexibility for the enterprise, and is
primarily based upon Fibre Channel architecture. The switch implements Fibre
Channel technology that provides a bandwidth of 2.125 gigabits per second,
redundant switched data paths, a scalable number of active ports, and long
transmission distances (up to 35 kilometers).
This chapter describes the switch and attached hp StorageWorks ha-fabric manager
(HAFM) server. The chapter specifically discusses:
•Switch management, error-detection and reporting features, serviceability
features, zoning, multi-switch fabrics, and specifications.
•The HAFM server and minimum hardware specifications.
•Remote workstation configurations and hardware specifications.
•Maintenance approach.
•Field-replaceable units (FRUs).
•Connectors and indicators.
•Software diagnostic features.
•Tools and test equipment.
Switch Description
The switch can be installed on a table or desk top, or mounted in an equipment cabinet
or in any standard equipment rack.
edge switch 2/16 service manual1–1
General InformationI
Multiple switches and the HAFM server communicate on a local area network (LAN)
through one or more 10/100Base-T Ethernet hubs. One or more 12-port Ethernet hubs
are optional and can be ordered with the switch. Up to three hubs are daisy-chained as
required to provide additional Ethernet connections as more switches (or other
Hewlett Packard managed products) are installed on a customer network.
Figure 1–1 illustrates the switch, HAFM server, and Ethernet hub.
P
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Figure 1–1: Switch, HAFM server, and Ethernet Hub
The switch provides dynamic switched connections for servers and devices, supports
mainframe and open-systems interconnection (OSI) computing environments, and
provides data transmission and flow control between device node ports (N_Ports) as
dictated by the Fibre Channel Physical and Signaling Interface (FC-PH 4.3). Through
interswitch links (ISLs), the switch can connect additional switches to form a Fibre
Channel multi-switch fabric.
The switch provides connectivity for devices manufactured by multiple original
equipment manufacturers (OEMs). To determine if an OEM product can communicate
through connections provided by the switch, or if communication restrictions apply,
refer to the supporting publications for the product or contact your Hewlett Packard
marketing representative
1–2edge switch 2/16 service manual
Switch Management
Out-of-band (non-Fibre Channel) management access to HP products is provided
through an Ethernet LAN connection to a switch front panel. The following
out-of-band management access methods are provided:
•Management through the HAFM application. The HAFM application includes the
edge switch 2/16 Product Manager application. This GUI resides on the HAFM
server and provides a single point of management for all directors and switches.
Operators at remote workstations can connect to the HAFM server through the
local HAFM application and associated Product Manager applications to manage
and monitor switches controlled by the HAFM server. A maximum of nine
concurrent users (including a local user) can log in to the HAFM application.
•Management using simple network management protocol (SNMP). An SNMP
agent is implemented through the HAFM application that allows administrators
on SNMP management workstations to access product management information
using any standard network management tool. Administrators can assign Internet
Protocol (IP) addresses and corresponding community names for up to six SNMP
workstations functioning as SNMP trap message recipients.
•Management through the Internet using the EWS interface installed on the switch.
This interface supports configuration, statistics monitoring, and basic operation of
the product, but does not offer all the capabilities of the corresponding Product
Manager application. Administrators launch the web server interface from a
remote PC by entering the product’s IP address as the Internet uniform resource
locator (URL), then entering a user name and password at a login screen. The PC
browser then becomes a management console.
General InformationI
•Management through a customer-supplied remote workstation communicating
with the HAFM server through a corporate intranet.
•Management through the command line interface (CLI). The CLI allows you to
access many HAFM and Product Manager applications while entering commands
during a telnet session with the switch. The primary purpose of the CLI is to
automate management of a large number of switches using scripts. The CLI is not
an interactive interface; no checking is done for pre-existing conditions and no
prompts display to guide users through tasks. Refer to the hp StorageWorks CLI
reference guide for director 2/64, edge switch 2/16, and edge switch 2/32
(A6534-96027/AA-RQ7AB-TE).
Figure 1–2 illustrates an example of out-of-band product management. In the figure,
the managed product is an edge switch 2/16.
edge switch 2/16 service manual1–3
General InformationI
1
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1SNMP management
workstation
2Remote user workstation
4HAFM server
5Web browser
6Edge switch 2/16
3HP Ethernet hub
Figure 1–2: Out-of-Band Product Management
The following inband management access methods are provided as options:
•Management through the product’s open-system management server (OSMS) that
communicates with an application client. The application resides on an
open-systems interconnection (OSI) device attached to a switch port, and
communicates using Fibre Channel common transport (FC-CT) protocol. Product
operation, port connectivity, zoning, and fabric control are managed through a
device-attached console.
•Management through the product’s Fibre Connection (FICON) management
server (FMS) that communicates with the IBM System Automation for OS/390
(SA OS/390) operating system. The operating system resides on an IBM
System/390
or zSeries 900 Parallel Enterprise Server attached to a director or
switch port, and communicates through a FICON channel. Control of connectivity
and statistical product monitoring are provided through a host-attached console.
1–4edge switch 2/16 service manual
General InformationI
PWR
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Figure 1–3 on page 1-5 illustrates inband product management. In the figure, the
managed product is an edge switch 2/16. The figure shows the following elements:
1
4
Fibre Channel
Connection
FICON
Channel
3
1
2
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1S/390 or zSeries 900 parallel
Enterprise Server
3Edge switch 2/16
4OSI server
2Host-attached console
Figure 1–3: Inband Product Management
Error-Detection, Reporting, and Serviceability Features
The switch provides the following error-detection, reporting, and serviceability
features:
•Light-emitting diodes (LEDs) on switch FRUs and adjacent to Fibre Channel
ports that provide visual indicators of hardware status or malfunctions.
•System and threshold alerts, event logs, audit logs, link incident logs, threshold
alert logs, and hardware logs that display switch, Ethernet link, and Fibre Channel
link status at the HAFM server or on a remote workstation.
edge switch 2/16 service manual1–5
General InformationI
•Diagnostic software that performs power-on self-tests (POSTs) and port
diagnostics (internal loopback, external loopback, and Fibre Channel (FC) wrap
tests). The FC wrap test applies only when the switch is configured to operate in
S/390 mode.
•Automatic notification of significant system events (to support personnel or
administrators) through e-mail messages or the call-home feature.
•An internal modem in the HAFM server for HP call-home support
NOTE: For directors and switches installed in some legacy environments, call-home
notification requires installation of HP Proactive Service software. This service is offered at no
additional charge for subsystems covered under an on-site warranty or on-site storage
hardware support contract. To register or order Proactive Service software, contact your HP
customer service representative.
•An RS-232 maintenance port at the rear of the switch (port access is password
protected) that enables installation or service personnel to change the switch’s
internet protocol (IP) address, subnet mask, and gateway address; or to run
diagnostics and isolate system problems through a local or remote terminal.
•Redundant FRUs; (small form factor pluggable (SFP)) optical transceivers, power
supplies, and cooling fans that are removed or replaced without disrupting switch
or Fibre Channel link operation.
•A modular design that enables quick removal and replacement of FRUs without
tools or equipment.
•Concurrent port maintenance. SFPs and Fiber-optic cables are removed and
attached to ports without interrupting other ports or switch operation.
•Beaconing to assist service personnel in locating a specific port or switch. When
port beaconing is enabled, the amber LED associated with the port flashes. When
unit beaconing is enabled, the system error indicator on the front panel flashes.
Beaconing does not affect port or switch operation.
•Data collection through the product manager application to help isolate system
problems. The data includes a memory dump file and audit, hardware, and
engineering logs.
•Status monitoring of redundant FRUs and alternate Fibre Channel data paths to
ensure continued switch availability in case of failover. The HAFM application
queries the status of each backup FRU daily. A backup FRU failure is indicated by
an illuminated amber LED.
1–6edge switch 2/16 service manual
•Simple network management protocol (SNMP) management using the Fibre
Alliance MIB that runs on the HAFM server. Up to 12 authorized management
workstations can be configured through the HAFM application to receive
unsolicited SNMP trap messages. The trap messages indicate operational state
changes and failure conditions.
•SNMP management using the Fibre Channel Fabric Element MIB, transmission
control protocol/internet protocol (TCP/IP) MIB-II definition (RFC 1213), and a
product-specific MIB, all of which run on each switch. Up to 12 authorized
management workstations can be configured through the product manager
application to receive unsolicited SNMP trap messages. The trap messages
indicate switch operational state changes and failure conditions.
NOTE: For more information about SNMP support provided by Hewlett Packard products, refer
to the hp StorageWorks SNMP reference guide for director 2/64, edge switch 2/16, and edge switch 2/32 (A6534-96026/AA-RQ7BB-TE).
Zoning Feature
The switch supports a name server zoning feature that partitions attached devices into
restricted-access groups called zones. Devices in the same zone can recognize and
communicate with each other through switched port-to-port connections. Devices in
separate zones cannot communicate with each other.
General InformationI
Zoning is configured by authorizing or restricting access to name server information
associated with device N_Ports that attach to switch fabric ports (F_Ports). A zone
member is specified by the port number to which a device is attached, or by the
eight-byte (16-digit) worldwide name (WWN) assigned to the host bus adapter (HBA)
or Fibre Channel interface installed in a device. A device can belong to multiple
zones.
CAUTION: If zoning is implemented by port number, a change to the switch fiber-optic
cable configuration disrupts zone operation and may incorrectly include or exclude a
device from a zone.
If zoning is implemented by WWN, removal and replacement of a device HBA or Fibre
Channel interface (thereby changing the device WWN) disrupts zone operation and
may incorrectly include or exclude a device from a zone.
In Open Fabric mode, only zoning by WWN is supported. Zoning by port numbers is
not.
Zones are grouped into zone sets. A zone set is a group of zones that is enabled
(activated) or disabled across all switches in a multi-switch fabric. Only one zone set
per fabric can be enabled at one time.
edge switch 2/16 service manual1–7
General InformationI
Multi-Switch Fabrics
A Fibre Channel topology that consists of one or more interconnected switches or
switch elements is called a fabric. Operational software provides the ability to
interconnect switches (through expansion port (E_Port) connections) to form a
multi-switch fabric. The data transmission path through the fabric is typically
determined by fabric elements and is user-transparent. Subject to zoning restrictions,
devices attached to any interconnected switch can communicate with each other
through the fabric.
Because a multi-switch fabric is typically complex, maintenance personnel should be
aware that several factors can degrade fabric performance or cause connectivity
failures. These factors include:
•Domain ID assignment - Each switch in a fabric is identified by a unique domain
ID that ranges from 1 through 31. A domain ID of 0 is invalid. If two operational
fabrics join, they determine if any domain ID conflicts exist between the fabrics.
If one or more conflicts exist, the E_Ports that form the interswitch link (ISL)
segment to prevent the fabrics from joining.
•Zoning - In a multi-switch fabric, zoning is configured on a fabric-wide basis, and
any change to the zoning configuration is applied to all switches in the fabric. To
ensure zoning is consistent across a fabric, the following rules are enforced when
two fabrics (zoned or unzoned) join:
— Fabric A unzoned and Fabric B unzoned - The fabrics join successfully,
and the resulting fabric remains unzoned.
— Fabric A zoned and Fabric B unzoned - The fabrics join successfully, and
fabric B automatically inherits the zoning configuration from fabric A.
— Fabric A unzoned and Fabric B zoned - The fabrics join successfully, and
fabric A automatically inherits the zoning configuration from fabric B.
— Fabric A zoned and Fabric B zoned - The fabrics join successfully only if
the zone configurations can be merged. If the fabrics cannot join, the
connecting ports segment and the fabrics remain independent.
Zone configurations for two fabrics are compatible (the zones can join) if the
active zone set name is identical for each fabric, and if zones with the same name
have identical elements.
•Port segmentation - When an ISL activates, the switches exchange operating
parameters to determine if they are compatible and can join to form a single
fabric. If incompatible, the connecting E_Port at each switch segments to prevent
1–8edge switch 2/16 service manual
General InformationI
the creation of a single fabric. A segmented link transmits only Class F traffic; the
link does not transmit Class 2 or Class 3 traffic. The following conditions cause
ports to segment:
— Incompatible operating parameters - either the resource allocation time-out
value (R_A_TOV) or error-detect time-out value (E_D_TOV) is inconsistent
between switches. To prevent port segmentation, the same E_D_TOV and
R_A_TOV must be specified for each switch.
— Duplicate domain IDs - one or more domain ID conflicts are detected.
— Incompatible zoning configurations - zoning configurations for the
switches are not compatible.
— Build fabric protocol error - a protocol error is detected during the process
of forming the fabric.
— No principal switch - no switch in the fabric is capable of becoming the
principal switch.
NOTE: At least one director or switch in a multi-switch fabric must be set to either principal or
default, making it capable of becoming principal switch. If all directors and switches are set to
never principal, all ISLs will segment (Reason code 05).
— Unresponsive switch - Each switch in a fabric periodically verifies operation
of all attached switches. An ISL segments if the attached switch does not
respond to a verification request.
— ELP retransmission failure timeout-a switch that exhibits a hardware
failure or connectivity problem cannot transmit or receive Class F frames. The
switch did not receive a response to multiple exchange link protocol (ELP)
frames, did not receive a fabric login (FLOGI) frame, and cannot join an
operational fabric.
Switch Specifications
This section lists the physical characteristics, storage and shipping environment,
operating environment, and service clearances for the switch.
Input voltage: 100 to 230 VAC
Input Frequency: 47 to 63 Hz
Plan for single phase or phase-to-phase connections and 5-ampere dedicated
service
Airflow Clearance in Rack:
Sides: None
Top and Bottom: None
Front and Rear: 3.0 inches (7.6 centimeters)
Heat Dissipation:
410 BTU/Hr
Shock and Vibration Tolerance:
60 Gs for 10 milliseconds without nonrecoverable errors
Acoustical Noise:
70 dB “A” scale
Inclination:
°
10
maximum
Storage and Shipping Environment
Protective packaging must be provided to protect the switch under all shipping
methods (domestic and international).
Shipping temperature:
°
F to 140° F (-40° C to 60° C)
-40
Storage temperature:
°
F to 140° F (1° C to 60° C)
34
Shipping relative humidity:
5% to 100%
Storage relative humidity:
1–10edge switch 2/16 service manual
5% to 80%
Maximum wet-bulb temperature:
°
F (29° C)
84
Altitude:
40,000 feet (12,192 meters)
Operating Environment
Temperature:
°
F to 104° F (4° C to 40° C)
40
Relative humidity:
8% to 80%
Maximum wet-bulb temperature:
°
F (27° C)
81
Altitude:
10,000 feet (3,048 meters)
General InformationI
HAFM Server Description
The HAFM server (Figure 1–1) is a notebook personal computer (PC) that provides a
central point of control for up to 48 LAN-connected directors or edge switches.
edge switch 2/16 service manual1–11
General InformationI
Figure 1–4: HAFM Server
The server is mounted in a slide-out drawer in an HP-supplied equipment rack. The
HAFM server or Internet access to the embedded web server interface is required to
install, configure, and manage the switch.
Although a configured switch operates normally without HAFM server intervention,
an attached server should operate at all times to monitor switch operation, log events
and configuration changes, and report failures.
The HAFM server provides an auto-detecting 10/100 Mbps LAN connection,
provided by an internal Ethernet adapter card. This LAN port attaches to the
customer’s public intranet to allow access from remote user workstations. An optional
Ethernet adapter card (not supplied by HP) can be installed in the personal computer
memory card international association (PCMCIA) slot to provide a connection to a
private LAN segment for dedicated switch communication.
HAFM Server Specifications
The following list summarizes hardware specifications for the HAFM server notebook
platform. Current platforms may ship with more enhanced hardware, such as a faster
processor, additional random- access memory (RAM), or a higher-capacity hard drive
or removable disk drive.
•HP Omnibook 6200 PC with color monitor, keyboard, keyboard-mounted
trackpad (mouse), and U. S. power cord.
•Intel
1–12edge switch 2/16 service manual
®
Pentium III™ processor with an 800 megahertz (MHz) or greater clock
speed, running the Microsoft Windows 2000 operating system.
•Eighteen gigabyte (GB) or greater internal hard drive.
•160 megabyte (MB) or greater RAM.
•Removable DVD/CD-ROM drive.
•Removable 100 MB disk (Zip
•56K internal modem.
•One internal 10/100 Mbps Ethernet adapter with RJ-45 connector (provides public
LAN interface to switches and remote clients).
Ethernet Hub
The HAFM Server and managed switches connect through a rack- mounted 10/100
Base-T Ethernet hub. Figure 1–5 illustrates the optional 12-port hub.
ProCurve
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General InformationI
®
) drive.
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Figure 1–5: 12-Port Ethernet Hub
Embedded Web Server Interface
Administrators or operators with a browser-capable PC and an Internet connection can
monitor and manage the switch through an embedded web server interface. The
application provides a graphical user interface (GUI) similar to the product manager
application, and supports switch configuration, statistics monitoring, and basic
operation.
Maintenance Approach
Whenever possible, the maintenance approach instructs service personnel to perform
fault isolation and repair procedures without degrading or interrupting operation of the
switch, attached devices, or associated applications. Switch fault isolation begins
when one or more of the following occur:
edge switch 2/16 service manual1–13
General InformationI
•System event information displays at the attached HAFM server, a remote
workstation communicating with the HAFM server, or the embedded web server
interface.
•LEDs on the switch front panel or FRUs illuminate to indicate a hardware
malfunction.
•An unsolicited SNMP trap message is received at a management workstation,
indicating an operational state change or failure.
•Notification of a significant system event is received at a designated support
center through an e-mail message or the call-home feature.
System events can be related to a:
•Switch or HAFM server failure (hardware or software).
•Ethernet LAN communication failure between the switch and HAFM server
•Link failure between a port and attached device.
•ISL failure or segmentation of an E_port.
Fault isolation and service procedures vary depending on the system event
information provided. Fault isolation and related service information is provided
through maintenance analysis procedures (MAPs) documented in Chapter 3. MAPs
consist of step-by-step procedures that prompt service personnel for information or
describe a specific action to be performed. MAPs provide information to interpret
system event information, isolate a switch failure to a single FRU, remove and replace
the failed FRU, and verify switch operation. The fault isolation process normally
begins with "
MAP 0000: Start MAP" on page 2-7.
Ensure the correct switch is selected for service (if the HAFM server manages
multiple switches or other Hewlett Packard products) by enabling unit beaconing at
the failed switch. The amber system error LED on the switch front panel blinks when
beaconing is enabled. Instructions to enable beaconing are incorporated into MAP
steps.
Remote Workstation Configurations
Using a standard web browser, the HAFM and product manager applications can be
downloaded and installed on remote user workstations that are LAN-attached to the
HAFM server. Operators at these workstations can manage and monitor switches
controlled by the HAFM server. A maximum of nine concurrent users (including a
local user) can log in to the HAFM application.
1–14edge switch 2/16 service manual
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