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HP P4459A User's Manual

1. O o oO o oo 9008000 V Barrel Nuts N Cl Left Rear Rack Column Step 2 Mark the Rack Column Holes Use tape or a marking pen to mark the screw holes where you will install the barrel nuts e On each rear rack column mark the top and bottom holes of the EIA unit on the inside of the column as shown in Figure 7 and Figure 8 e On each front rack column mark the hole on the middle of the EIA unit on the inside of the column Step 3 Place the Barrel Nuts on the Rack Columns 1 Identify thesix barrel nuts by referring to Figure 7 and Figure 8 18 Installing the Fibre Loop Switch 2 Place two barrel nuts on each of the rear rack columns at the holes you marked as shown in Figure 7 and Figure 8 Note Install the barrel nuts with the threaded nut part of the barrel nut on the inside face of the rack column 4 For HP Systems racks only attach one barrel nut to each of the front rack columns at the holes you marked For HP Rack System E and HP Rack System U racks do NOT attach barrel nuts to the front columns Attach Spacers to HP Rack System E and HP Rack System U Racks Use the spacers shown in Figure 9 on HP Rack System E and HP Rack System U Racks only product numbers J1500A J1501A J1502A J1464A and J1466A Do NOT use them for HP Systems racks product numbers J1487B and J1488A The spacers are marked L and R because they diffe
2. 12 Installing the Fibre Loop Switch Rack Installation Basics Caution Do the following to prevent the rack enclosure from tipping over Failure to take these precautions could result in serious injury and equipment damage e Extend the anti tip foot or verify that the anti tip feature is installed e Verify that the leveler feet are lowered e Do NOT extend more than one piece of equipment at a time out from the front of the rack Always keep the following safety and environmental issues in mind e Maximum Recommended Ambient Temperature The maximum recommended ambient temperature of the room is 35 C 95 F e Elevated Operating Ambient Temperature The ambient operating temperature within a closed or multi unit rack assembly may exceed the room s ambient temperature Make sure that the temperature within the rack itself does not exceed 35 C 95 F e Air Flow As you mount equipment in the rack make sure that you allow enough air flow for safe operation of the equipment e Mechanical Loading Uneven mechanical loading within the rack can cause hazardous conditions Plan the placement of equipment in the rack to avoid this problem e Circuit Overloading Make sure that the total configuration of equipment in the rack does not overload the supply circuit To verify this check the nameplate ratings on all equipment Consider the effect of circuit overloading on over current protection and supply wiring
3. LILP Link LIP LIRP LISM Loop Initialization Loop Position map is the accumulation of all of the information reported in the LIRP frames It is optionally sent out by the initialization master at the end of the initialization sequence In this context it is a pair of fibers RX for inbound and TX for outbound that carries information to and from a port It is also called a channel Loop Initialization Primitive A Fibre Channel Primitive Sequence transmitted by FC AL devices and infrastructure to signal a potential topology change and to put all devices attached to a loop into the same state for the purposes of Loop Initialization and Loop Address administration It can include LISM AL_PA assignment and building a positional map of the loop Loop Initialization Report Position establishes a position map which is a table of all the AL_PAs ona node See also LIFC Loop Initialization Select Master is the process used to determine the temporary loop master as part of the LIP Long Wave Lasers or LEDs that emit light with wave lengths around 1300 nm Long wave lasers are used for long Fibre Channel links from 700 2000m They are typically used with single mode fiber with a 9 micron core size Loop ID A unique 7 bit value from 0 to 126 that represents the 127 valid AL_PAs physical addresses on a loop Loop Tenancies The time required for a data transfer to be completed An FC node wanting to send data starts a
4. e Reliable Earthing Grounding Maintain reliable earthing grounding of rack mounted equipment Give particular attention to supply connections that are not direct connections to the branch circuit the use of power strips for example e Installation Order Begin installing components at the bottom of the rack Rack Installation Overview The instructions in this guide are specifically for Hewlett Packard rack enclosure product numbers J1464A J1466A J1487B J1488A J1500A J1501A and J1502A For information about other rack installations see the rack mount kit 13 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide instructions that come with your rack or HP NetServer or refer to the following web site http www hp com racksolutions Note The installation instructions that follow use left and right to refer to rack columns as viewed from the rear of the rack Figure 5 and Figure 6 present a visual summary of the switch s rack mounting hardware Figure 5 Mounting in HP Systems Racks Left Front Rack Column Right Front Rack Column Sleeves Right Rear Rack Column 00805050 0 0 5200 bbe Foe ee Bee Sm eS Left Rear Rack Column 14 Installing the Fibre Loop Switch Figure 6 Mounting in HP Rack System E and HP Rack System U Racks ES
5. 17 3 in 439 mm Depth eig 16 26 in 413 mm Weight with Power Supply 10 681 Ibs 4 85 Kg Environmental Specifications Non Operating Jemperafure a eu 30 to 60 C Relative Humidity 10 to 90 non condensing Operating Temperature een 10 to 40 C Relative Humidity 20 to 80 non condensing Acoustic Noise Emissions lt 46 dBA 37 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Electrical Specifications AC Voltage ro atlue etti 100 240 VAC autosensing PRCQUCNICY ausilio lato 50 to 60 Hz Rated Input Current 1 5A 0 7A LED Specifications Front Panel LED Indicators POWER incuria A E Green Faltz rale eni Amber Mitici diede luana Green Port LED Indicators LEE Green Paullo rele ne Amber Media nasse DB 9 Copper HSSDC Copper SW Optical Dual SC GBIC Protocol and Standards FC AL FC AL 2 FC PH FC PH 2 FC PH 3 FC PLDA FCP Regulatory Certification Safety Compliance NS VRR ilo UL 1950 1995 3rd Edition Canada nase CSA C22 2 No 950 95 3rd Edition European Union EU a d emie erte heidi EN 60950 1992 A1 A2 A3 A4 A11 EMKO TSE 74 SEC 207 94 Other Countries IEC 60950 A1 A2 A3 A4 EMC Compliance Usi isa aaa FCC Title 47 CFR Part 15 SubpartB 1998 Class A Canada starai eects ICES 003 Class A 38 Fibre Loop Switch Functional
6. 3 1995 Radiated Immunity EN 61000 4 4 IEC 61000 4 4 1995 Fast Transient Burst EN 61000 4 5 IEC 61000 4 5 1995 Surge EN 61000 4 6 IEC 61000 4 6 1996 Conducted Immunity EN 61000 4 11 IEC 61000 4 11 1994 Voltage Dips and Interruptions Supplementary Information 1 The product was tested in a typical configuration 2 The product complies with Part 15 of the FCC rules Operation is subject to the following two conditions s This device may not cause harmful interference and e This device must accept any interference received including interference that may cause undesired operation The product herewith complies with the requirements of the following directives and carries the CE marking accordingly EMC Directive 89 336 EEC including Ce Marking Directive 93 68 EEC Low Voltage Directive 73 23 EEC Cupertino March 1 2001 North American Contact Hewlett Packard Company 3000 Hanover Street Palo Alto CA 94304 650 857 1501 European Contact Your local Hewlett Packard Sales and Service Office or Hewlett Packard GmbH Department ZQ Standards Europe Herrenberger Stra e 130 D 7030 B blingen FAX 49 7031 14 3143 Quality Management Services amp Systems Phone 613 9272 8355 45 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Regulatory Notices Product Safety This product may be equipped with a Hewlett Packard Optical GBIC containing a laser In which case the GBIC is a Class 1 Laser
7. Insert the two 1 Phillips head screws through the switch rail and into the switch chassis as shown in Figure 13 Tighten the screws 3 Attach the second switch rail to the other side of the switch in the same way 24 Installing the Fibre Loop Switch Step 6 Install the switch Have the remaining four Torx screws available as you install the switch 1 Pick up the switch chassis with the switch rails installed with the open switch rail ends away from you Carry it to the rear of the rack Carefully align the switch rail ends with the open rack sleeves and gently ease the chassis into the rack sleeves like a drawer as shown in Figure 14 and Figure 15 Align the two holes on one switch rail with the holes with the barrel nuts on the rear rack column as shown in Figure 14 and Figure 15 Attach that switch rail to the rear rack column with two Torx screws The screws go through the flange on the switch rail first and then into the barrel nut Finger tighten the screws 25 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Figure 14 Installing the Switch into an HP Systems Rack EL lod DS IN 10 pr Right Front Rack Column iS old o 9 As 8 Sleeves o Right Bear Rack Column 2 S D 04 d S JE ele 04 A o d d A 0A G 9 di a 4 0 jod H le 04 A Q Cd o CG 04 2 o Cd Q a 04 A o A 24 2 le CA G g Switch Pi 4 A oN 4 NG vi N
8. Specifications European Union EU EN 55022 1994 A 1 A2 Class A EN61000 3 2 1995 EN61000 3 3 1995 EN 55024 1998 JAP RR fe Rate RA VCCI V3 1997 Class A JEIDA Guideline for the suppression of harmonics 1993 Australia New Zealand AS NZS 3548 95 Class A Other Countries CISPR 22 1997 CISPR24 1997 39 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide 40 Appendix B Regulatory Information Regulatory Notices Electromagnetic Compliance Electromagnetic Compatibility EMC requirements have been established in many countries to regulate the radio frequency energy generated by Information Technology Equipment ITE This energy is generated during the normal and intended use of this equipment and so it is limited by country regulations to levels intended to minimize potential interference to other electrical equipment including public safety services Two levels of radio frequency energy are allowed according to the type or use of equipment Class A levels have been established for use in commercial or business environments Class B levels are lower than the Class A requirement and have been established for use in residential environments Class B levels are also suitable when the environment includes electrically sensitive equipment The fibre loop switch that you have purchased has been provided with compliance labels to indicate where it may be u
9. _ Right Front Rack Column Left Front f T Rack Column 2 di H ABS X Sio win SI S de L Spacer lyn ol Cel 9 o R a asl R Spacer CG Qe AN i 3 h Sleeves gt Right Rear Rack Column x ol 2 s N H o d gd N 9 d N N ER Z SN S I oe fl L IN w Pile Ap A e 9 o fo Cs va SS B lo x S Sta le 8 a d A R De ol We lo AA PE SK Qs ADS IS Qe al fe SU p N a 28 Y ae f A R p oly 2 sy N h o N a sd RS h SU d g 8 As H gt AS e SU d N 9 2 st A oy S JS s S Va gt ay IN N o H su o o 7 o Pi D Ke o bai Left Rear Rack Column a Rails 0 Tools Required To install the switch in an HP rack you need a T25 Torx driver and a 1 Phillips head screwdriver HP Rack Mounting Installation Steps Installing the fibre loop switch into an HP rack requires the following general steps e Step 1 Preparation e Step 2 Mark the Rack Column Holes e Step 3 Place the Barrel Nuts on the Rack Columns e Also install the L and R spacers on the front columns of HP Rack System E and HP Rack System U racks only 15 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Step 1 e Step 4 Attach the Sleeves to the Front Rack Columns e Step 5 Attach the Switch Rails to the Switch Chassis e Step 6 Install the Switch e Step 7 Complete the Installation Preparation Before you install the switch into an HP rack refer to the rack
10. are 256 ports within each Area only half of which are usable on FC AL 256 Areas within each Domain and 256 Domains Table 7 Fibre Channel Address Bits 23 16 Bits 15 8 Bits 7 0 Domain Address Area Address Loop Address Fibre Channel Arbitrated Loop FC AL F_Port A Fibre Channel workgroup topology supporting up to 126 devices without the use of fabric protocols Media access is performed through arbitration Switching and fabric features can be supported through the use of infrastructure products such as hubs switches bridges routers and embedded management agents and services Fabric Port A port on a fabric switch to which N_ Ports may be directly connected The F_Port is not capable of communicating with FC AL protocol FL_Port FPGA Fabric Loop Port An F_Port that is capable of supporting an attached Fibre Channel Arbitrated Loop An EI Port on a loop will have the AL PA hex 00 giving the fabric the highest priority access to the loop N Ports or NL_ Ports can attach to it in an Arbitrated Loop topology and are capable of communicating with FC AL protocol Field Programmable Gate Array is a hardware device to which you download code that determines the set of capabilities for that device 57 HP P4459A 8 Port Fibre Loop Switch Installation amp Opeartion Guide Full Duplex Communications Frame GBIC Gigabit HBA A pair of nodes able to both simultaneously send and r
11. around a normal loop operation with a high number of nodes The time just for one open message to circulate around a large loop greater than 60 nodes and get back buffer credit is actually greater than the completion of an entire loop tenancy transferring a single maximum frame across the switch The relative time difference is on the order of a magnitude tens of microseconds vs tens of milliseconds e If A is busy and B C and D all simultaneously want to send data to A a first come first serve algorithm is enforced This enforcement is realized due to the prioritized queueing of open messages at the destination If the queue is greater than a programmable value the switch responds with a close message to all subsequent open requests from other nodes Fibre Loop Switch Initialization The initialization behavior of the fibre loop switch is encompassed within an intelligent agent referred to as P4459A Name Server P4459A Name Server virtualizes the entire initialization process and eliminates the lengthy login procedure found on other switches In a hub based Fibre Channel network any device generates Loop Initialization Protocol LIP messages to notify the other devices on the loop that initialization needs to occur During the LIP process each port in turn receives the LIP sequence and retransmits the LIP This process continues until the LIP sequence returns to the initiating port Since port addresses are assigned during the LIP p
12. loop tenancy by arbitrating for ownership of the loop Upon winning arbitration the device wanting to send data opens a communication channel to its intended destination When the destination device responds that it has available buffer space the sender sends data until it is finished After the data transfer is complete the sender closes the loop tenancy 59 HP P4459A 8 Port Fibre Loop Switch Installation amp Opeartion Guide L_Port LPSM Loop Port It only has the capability to communicate over FC AL hubs and through FL Ports Loop Port State Machine It resides on each loop capable port and is responsible for performing the loop protocols and the repeater function to pass information through MAC Address Media Access Control address It is the 48 bit 12 digit hexadecimal IEEE 802 1 Universal LAN MAC address ULA It is constructed from the 24 bit IEEE company ID and a 24 bit vendor specified identifier associated with an Ethernet port It is also used to construct the Worldwide Name Managed Object MIB II A data variable that represents a resource or other aspect of a managed device Management Information Base A set of inter related managed objects The attributes of these objects have network monitoring values whereby an SNMP agent can access management instrumentation and at least one management station from where a network manager can collect statistics and a management protocol to exchange information b
13. other operating component The fibre loop switch does not have an On Off switch For convenience and safety connect the power cord to a grounded AC outlet near the rack or desk so it is easily accessible Ensure that the appropriate power plug is available for the installation area 1 Plug the power cord into the loop switch s power receptacle then plug the opposite end into a power receptacle On power up or when you press the reset button the switch runs several power on self tests during start up The LEDs display changing patterns See Table 1 on page 3 to interpret the LEDs as the switch comes up Power on a host and I O units Verify the presence of the I O from units on the host Start the server application Cabling for the Fibre Loop Switch The fibre loop switch supports connection to multiple media formats Nole The following rules should be observed regarding cabling Support and route the cables to prevent damage from sharp edges or from being crushed by nearby equipment It is important to route copper cables so that they do not introduce noise Don t lay them over transformers or alongside power cables for any distance Provide support for installed cables and do not allow them to have a bend radius of less than 3 inches 76 mm This is particularly important with fiber optic cables as a sharp bend can decrease their performance even if they are not physically damaged When connecting fiber optic cables tog
14. to free yourself of static before touching it 1 Holding it by its edges remove the GBIC you are installing from its antistatic bag 2 Orient the GBIC in relation to the port you are installing it in so that the label side or arrow is on top If your GBIC doesn t have a label or an arrow to help you orient it exam ine the D connector on it The wider side of the D connector should be on top Figure 4 shows the orientation for installing a GBIC into a switch port 10 Installing the Fibre Loop Switch Figure 4 GBIC Orientation D connector Guide tab Guide tab Slide the GBIC through the port door and plug it into the 20 pin connector not visible on the host circuit board until it is firmly seated If the GBIC does not install easily into the port do not force it Instead try removing it and inverting the GBIC s orientation N Warning Do not look directly for the GBIC laser source Laser beams can be harmful to your eyes 4 Ifyou are not going to install cabling immediately leave the supplied protective plug in place The protective plug is used to shield the laser from view and to protect the optical components from dust 5 Repeat steps 1 through 4 for all GBICs that you want to install Removing a GBIC The following procedure describes how to remove a GBIC 1 Remove any cables attached to the GBIC Stressing the cable during GBIC removal might break it 11 HP P4459A 8
15. voluntary standards for programming languages telecommunications properties of disk and tape media and more in the United States Arbitrated Loop A Fibre Channel standard defining a loop topology where up to 126 devices communicate with one another using an arbitrated access protocol Arbitration The process of selecting one respondent from a collection of several candidates that request service concurrently Area See Fibre Channel Address 53 HP P4459A 8 Port Fibre Loop Switch Installation amp Opeartion Guide Bandwidth The amount of data per second that can be transferred from one device to another Bandwidth limits are set by a combination of speed of transfer capacity of the pipe number of pipes and overhead of sending the data It is possible to transmit one signal at the maximum specified bandwidth or several different signals simultaneously on different channels each of them using a portion of available bandwidth BLS Basic Link Services also known as Link Service A Fibre Channel request response protocol common to all devices The most universally implemented Basic Link Service is Abort Sequence ABTS used for error recovery Broadcast A transmission sent to all N_Ports on a network Bypassed port A port status that indicates a port is not enabled on a loop even though the port is still physically connected to the network A bypass can be automatic or manual Channel Cluster Credit A
16. Dei SS 3 SBS N 7 De 3 Left Front Rack Column SIE S Left Rear Rack Column H 3 2 2 H H H H a H H H H 3 H 2 H 3 o a 3 Switch Rail Flanges 26 Installing the Fibre Loop Switch Figure 15 Installing the Switch into an HP Rack System E or HP Rack System U Rack gt gd pa 8 S g Right Front Rack Column IIS al BAR AI A Sleeves al Right Rear Rack Column n N alb Gs E a a N d e 0 NN wi fe SN e W I 04 NS N GS NN A 04 pe NY 8 0 w NS 04 d als SN dd dal NR d CIS gt N Da d o LV IN 6 AR 2 A Ss da od p vo o ia Qo g S amp 04 ZE S ker Sell ve Ne F 8 Switch SE H IN 7 H 0 i 2 0 7 6 H 3 Left Front Rack Column Left Rear Rack Column Switch Rail Flanges 5 Attach the other switch rail to the other rear rack column in the same way 6 Use the T25 driver in a couple of passes to tighten all six screws that you installed in the rack columns Step 7 Complete the Installation 1 Connect the appropriate AC power cord to the switch 27 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Plugging in the other end of the power cord will apply power to the switch You can do either of the following e Connect the other end of the power cord to the power receptacle on the rack which means you will hot plug devices to the switch Wait t
17. HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide La invent HP Part Number 5971 0861 Printed in February 2001 Notice The information contained in this document is subject to change without notice Hewlett Packard makes no warranty of any kind with regard to this material including 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 Hewlett Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett Packard This document contains proprietary information that is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hewlett Packard Company Hewlett Packard Company Network Server Division Technical Communications MS 45SLE 10955 Tantau Avenue Cupertino CA 95014 USA Copyright 2001 Hewlett Packard Company Audience Assumptions This Installation and Configuration Guide is for the person who installs administers and trouble shoots LAN servers Hewlett Packard Company assumes you are qualified in the servicing of computer equipment and trained in recognizing hazards in products with hazardous ener
18. I initially to Fibre Channel link protocols and services FC AL Device A device that employs Fibre Channel Arbitrated Loop and consists of one or more NL Ports FC PH Fibre Channel Physical standard consisting of three lower levels FC 0 physical FC 1 encoding and FC 2 framing and signalling FC SW Fibre Channel Switch standard that specifies tools and algorithms for interconnection and initialization of Fibre Channel Switches to create a multi switch Fibre Channel fabric Fiber Refers to the strands of glass through which data in the form of light pulses are transmitted in fiber optic cable It is used for high speed transmission over medium to long distances Fibre An FC AL term used to cover all transmission media types specified in the Fibre Channel Physical Layer standard FC PH such as optical fiber copper twisted pair and copper coaxial cable Fibre is not exclusively optical fiber 56 Glossary Fibre Channel FC An ANSI T11 standard which provides high speed high reliability data transfers among computing devices storage devices and networked equipment It defines a bi directional full duplex serial data channel at speeds of 1 Gigabit per second and higher over distances up to 30 km Current implementations support the transport of SCSI and IP protocols over switched and loop network topologies Fibre Channel Address A 3 byte address defining a destination or source node ON Port NI Port etc There
19. Port Fibre Loop Switch Installation amp Operation Guide 2 Squeeze the latch levers on the GBIC together and pull the GBIC straight out Note GBIC latching mechanisms vary by manufacturer Rack Mounting the Fibre Loop Switch The following sections provide information and procedures on how to rack mount the fibre loop switch Warning Reduce your risk of electric shock or damage to equipment by following these precautions Do not disable the power cord grounding plug The grounding plug is an important safety feature Plug the power cord into an easily accessible grounded electrical outlet Because there is no power switch you can turn power on and off by plugging in and disconnecting the power cord e Disconnect the power from the unit by unplugging the power cord from either the electrical outlet or from the detachable plug on the unit Rack Installation The fibre loop switch is designed to mount into a standard 19 inch rack up to 36 inches deep Refer to the instructions included in the rack mount kit before attempting to mount the fibre loop switch Only trained personnel should install the rack mount kit Please read all instructions before installing the rails and sleeves Caution The air vents along the side and back panel of the fibre loop switch must not be blocked when installed The operating temperature must be kept between 10 and 40 degrees Celsius between 50 and 104 degrees Fahrenheit
20. Product per US FDA CDRH 21 CFR and per IEC 825 1 EN60825 1 and A11 Laser Safety United States CAUTION This device contains a laser system and is classified as a Class 1 Laser Product under a U S Department of Health and Human Services DHHS Radiation Performance standard according to the Radiation Control for Health and Safety Act of 1968 To ensure proper use of this product please read this instruction manual carefully and retain for future reference Should the unit ever require maintenance contact an authorized service location WARNING Use of controls adjustments or the performance procedures other than those specified herein may result in hazardous radiation exposure To prevent direct exposure to laser beam do not try to open the enclosure Laser Safety Finland e LASERTURVALLISUUS e LUOKAN 1 LASERLAITE e KLASS 1 LASER APPARAT 46 Regulatory Information Laser Safety Germany VORSICHT Diese Ger t enthalt ein Laser System und ist als LASER PRODUKT DER KLASSE 1 klassifiziert F r den richtigen Gebrauch dieses Modells die Bedienungsanleitung sorgfaltig durchlesen und als Referenz aufbewahren Falls Probleme mit diesem Modell aufreten die nachste authorisierte Services Verrtetung benachrichtigen Um einen direkten Kontakt mit dem Laserstrahl zu vermeiden soll das Geh use nicht ge ffnet werden VORSICHT Die Verwendung von anderen
21. Steuerungen oder Einstellungen oder das Durchf hren von anderen Vorg ngen als in der Bedienungsanleitung beschrieben kann gef hrliche Strahlenexpositionen zur Folge haben 47 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide CLASS 1 This Fibre Loop Switch Unit is classified as a CLASS 1 LASER PRODUCT LASER PRODUCT LASSER KLASSE 1 PRODUKT 48 Appendix C Warranty and Support The hardware warranty below applies to components purchased as accessories If your component was factory installed as part of an HP Netserver model refer to the HP Netserver Warranty and Service Support Booklet for the warranty limitations customer responsibilities and other terms and conditions Hardware Accessories Limited Warranty Hewlett Packard Hardware Accessories An HP Netserver Hardware Accessory is an internal HP hardware product that is specifically designated for use with HP Netservers is added on or integrated into an HP Netserver in order to provide higher performance capacity or increased capability and is listed as a product in HP s Corporate Price List Upon installation inside an HP Netserver the HP Netserver Hardware Accessory carries a System Matching Warranty This warranty includes a one year Return to HP warranty or the remainder of the warranty period for the original HP Netserver in which it is installed whichever is longer This accessory may be serviced through expedited part shipm
22. a die S4 Pe 3033 Baia 43 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Notice for European Union Radio Frequency Emissions Warning for Accessories This product has been found to comply with CISPR 22 Class A EMC emission limits Installation and use of a Class A accessory creates a system that meets the requirements for industrial and commercial environments However in a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures 44 Regulatory Information Declaration of Conformity US and EU DECLARATION OF CONFORMITY according to ISO IEC Guide 22 and EN 45014 Manufacturer s Supplier Name Hewlett Packard Company Manufacturer s Supplier Address 10955 Tantau Avenue Cupertino Ca 95014 USA declares that the product Product Name HP 8 Port Fibre Loop Switch Model Number s P4459A Product Options All conforms to the following Product Specifications Safety IEC 60950 1991 A1 A2 A3 A4 EN 60950 1992 Al A2 A3 A4 All GB4943 1995 EMC EN 55022 1998 CISPR 22 1997 ITE Radiated and Conducted Emissions CFR 47 Part 15 Subpart B Unintentional Radiators Radiated and Conducted Emissions EN 61000 3 2 1995 A1 1998 Harmonic Current Emissions EN 61000 3 3 1995 Voltage Fluctuation and Flicker EN55024 1998 CISPR 24 1997 EN 61000 4 2 IEC 61000 4 2 1995 ESD EN 61000 4 3 IEC 61000 4
23. ace There are several variations that range from an 8 bit interface for up to 7 peripherals to a 16 bit interface for up to 15 peripherals It is commonly used for many types of peripherals such as disks printers scanners and just about anything else Short Wave SNMP Lasers or LEDs that emit light with wave lengths around 780 nm or 850 nm Short wave lasers are used for FC AL links up to 700m They are typically used with multimode fiber A fiber core size of 50 microns provides greater performance than 62 5 micron fiber which is supported for compatibility with existing wiring networks for example FDDI A Fibre Channel Address of a frame defining the source node for that frame Simple Network Management Protocol A protocol used to examine and change configuration parameters and counters of network connected devices Agents software running in the monitored controlled devices communicate with management consoles and store variables as counters or in simple tables The variables are defined by MIBs SNMP Agent A management entity consisting of hardware and embedded software which responds to SNMP requests over Ethernet from an SNMP manager 63 HP P4459A 8 Port Fibre Loop Switch Installation amp Opeartion Guide Star A configuration of computing devices within a LAN where each user is connected by links radiating out from a central connection point such as a hub Switch Port A port on a device that can directly c
24. ailed the self test or an environmen tal fault has occurred OFF Self test completed Normal running state with no fault found Table 6 Reading The Port LEDs Link Fault Interpretation Possible Causes Green Amber OFF OFF No signal Either a no GBIC has been installed or b no cable with a valid signal has been attached since the GBIC was installed ON OFF Good Signal Normal state for a valid port connection OFF ON Port is bypassed Bad signal or no signal 33 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Link Fault Interpretation Possible Causes Green Amber ON ON Switch is resetting Power up or a reset Not a valid state at any other time Reset Button Use the reset button with caution The Reset button on the front panel of the switch resets the internal control microprocessor of the switch Sometimes a reset clears a problem that appears to be the result of an unidentified error Pushing the Reset button interrupts all traffic and forces re initialization of the loop The switch bypasses all ports and goes through normal power on operations Then the switch reconnects the network by initializing all the ports connected to active devices Resetting the switch disrupts the network This may affect performance but does not corrupt data on disk drives attached to the switch It does however erase any statistics a
25. can be configured to support copper short wave multimode fiber and long wave single mode fiber media connections Because each of these media options provide different price performance characteristics you can mix and match GBICs to meet the needs of your storage network now and add or exchange GBICs in the future as your network changes HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Figure 1 Front View of the Fibre Loop Switch Power Connector GBIC Ports Switch Status LEDs Front Panel LEDs In addition to the port connectors the front panel of the fibre loop switch contains LEDs that provide diagnostic information for both switch and port status and an IEC power plug connector Figure 2 shows the locations of the LEDs and the power plug connector Introducing the HP P4459A 8 Port Fibre Loop Switch Figure 2 Fibre Loop Switch front panel Power Plug Connector init fault power reset Switch Status Port Status LEDs LEDs Table 1 describes the operation of the switch LEDs and Table 2 describes the operation of the port LEDs on the front panel of the fibre loop switch Table 1 Fibre Loop Switch LEDs Name Color Function fault Amber Indicates that the switch is running a self test during start up or a failure occurred power Green Indicates that power is on to the switch Table 2 Port LEDs Name Color Functi
26. ch 0r rire ine iii nie 9 Unpacking the Fibre Loop Switch non nenne ennennnennnnn 9 Installing and Removing GBICs in the Fibre Loop Switch nennen 10 lristalling ERC 10 Removing a GBIC ee 11 Rack Mounting the Fibre Loop Switch 12 Rack Installationi i aaa Aia 12 Powering up a System NEE 29 Cabling for the Fibre Loop Switch i 29 Chapter 3 Fibre Loop Switch Troubleshooting eceeeeeeeseeeeeeeeeeeeeeeeeeeees 31 General Maintenance Considerations ii 31 Troubleshooting the Switch u ee 32 Re d ng ihe LEBilndiealors u uses ee ea 32 Reset Button en ia 34 Connections ee ir seinen 34 Fibre Channel Cables i 35 Temperature Control i 35 tee Ee e AE EE EE EE 35 Filer Panel erorian e r aa a ei enti canto 35 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Appendix A Fibre Loop Switch Functional Specifications en 37 SWIICHING ee Erhard 37 Physical Specifications au cob RI rana nennen 37 Environmental Specifications nn nn 37 Electrical Specifications nn 38 LED Specifications au il a 38 Fibre Channel Communications cece ee eeeeeeeeeeeeeeseneeeeeeeeeeeeeeeeseeeneeees 38 Regulatory Certification u een ae an 38 Appendix B Regulatory Inf
27. documentation as you extend the anti tip foot or ensure that the anti tip feature is installed Lower the leveler feet Caution Do the following to prevent the rack enclosure from tipping over Failure to take these precautions could result in serious injury and equipment damage e Extend the anti tip foot or verify that the anti tip feature is installed e Verify that the leveler feet are lowered e Do NOT extend more than one piece of equipment at a time out from the front of the rack Use the original ordering information to locate where each component goes in the rack If the original ordering information is not available use the HP Rack Assistant software to determine where to mount the switch in the rack Use tape or a marker pen to mark the bottom of the single EIA unit required by the switch For EIA unit boundaries refer to Figure 7 and Figure 8 16 Installing the Fibre Loop Switch Figure 7 Marking Holes and Attaching Barrel Nuts on HP Systems Racks Right Rear Rack Column OO OO Oooh CC A Vo y EIA Unit O v ge Barrel Nuts yy O N Left Rear Rack Column 17 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Figure 8 Marking Holes and Attaching Barrel Nuts on HP Rack System E and HP Rack System U Racks Right Rear Rack Column oo Oo I VSS AI IS SO 9 IO I DO N i EIA Unit 00200000200 000 oN A Ke x DI
28. e Loop Switch Figure 10 Identifying Switch Rails and Sleeves Oriented for HP Racks Switch Rail E ex fy Yi fp Y f f fy IM A 7 SSD e YA Se Sleeve Flange Sleeve Switch Rail Flange Identify the six Torx screws 2 21 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Figure 11 Attaching Sleeves to an HP Systems Rack a Rack Nut N N N Sleeve LI 500500500900500500500500 0 00 5900500500500 5006000000 ET Left Front Rack Column 505699 056055056055055055055 Right Front Rack Column Rack Nut _ Sleeve Sleeve Flanges 22 Installing the Fibre Loop Switch Figure 12 Attaching Sleeves to HP Rack System E and HP Rack System U Racks 8 RH e 2 nel N g sl Right Front Rack Column 2 Co 0 o dk Spacers on Inside H R 10 of Rack Columns Gs FS 2 Lo gt o Re A oi ek F Re IB A d Ja a SC ek N 10 a 1 a CL I ER Je Fe Rs NINE N SI Right Sleeve e N x N Re al N Qs AN S Qs Qe 1 Sleeve Flanges N QS a 3 IN as NA amp Ki Left Front Rack Column 3 Position one sleeve on the inside of the rack front column with the sleeve s flange side toward the rack column as shown in Figure 11 or Figure 12 Align the hole in the front end of the sleeve with one of the following holes e The rack column hole
29. eceive data between each other for an aggregate of 2 Gbps effectively doubling the communications rate between the two nodes The smallest unit of information carrying user data and protected by Fibre Channel error control and recovery Up to 2112 bytes per frame can be transported Gigabit Interface Converter It is a connector that offers flexible choice of media and transmission technology One billion bits or one thousand megabits It is generally used to refer to bandwidth Host Bus Adapter is a card that connects FC peripherals and server host buses such as PCI and others It also requires a device driver Hub A central connecting device in a network that joins communication lines into a star configuration In band In bandwidth Using the same bandwidth wires or data channel for signaling as for data transmission IP Internet Protocol A protocol designed for use in interconnected systems of packet networks Jitter Unwanted variations in the frequency or phase of a digital or analog signal due to varying time delays in the circuit paths from component to component in the signal path Jitter can cause errors and data corruption LAN Local Area Network A communications system whose geography covers less than 5 kilometers Transmissions within it are mostly digital carrying data among stations at rates usually above 1 Mbit sec Latency The time delay of data traffic through a network or a switch 58 Glossary
30. ed Link Services support messaging protocol for discovery and dynamic address partitioning EMC ElectroMagnetic Compatibility Embedded Node Agent An in band Node Agent conducts automatic discovery and display of SCSI and SES targets SES enclosures Enclosure The box rack or set of boxes containing one or more devices It can provide power cooling and other support functions to the devices E_Port Expansion Port It specifies the interconnection and initialization for a Fibre Channel switch to create an inter switch link It is similar to an N_ Port and an F Port Fabric Fibre Channel defined interconnection methodology that handles routing in Fibre Channel networks 55 HP P4459A 8 Port Fibre Loop Switch Installation amp Opeartion Guide FC 0 The set of Fibre Channel standards that address media optics copper connectors and physical signalling over that media signal rates and timing signal quality power jitter etc FC 1 The set of Fibre Channel standards that address 8B 10B encoding decoding and transmission protocol FC 2 The set of Fibre Channel standards that address link protocols framing flow control link services and error recovery FC 3 The set of Fibre Channel standards that define additional services which are available to all FC 4 protocols yet are not part of the link layer FC 4 The set of Fibre Channel standards that define the mapping of higher level protocols primarily IP and SCS
31. ent In this event HP will prepay shipping charges duty and taxes provide telephone assistance on replacement of the component and pay shipping charges duty and taxes for any part that HP asks to be returned HP warrants this HP Netserver Hardware Accessory against defects in material and workmanship under normal use for the period specified in the section titled HP Netserver Limited Warranty Coverage The warranty commences on receipt of this product by Customer from HP or Reseller If HP or Reseller receives 49 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide notice of such defects during the warranty period HP or Reseller will either at its option repair or replace products that prove to be defective Should HP or Reseller be unable to repair or replace the hardware accessory within a reasonable amount of time Customer s alternate remedy shall be a refund of the purchase price upon return of the hardware accessory product HP products external to the system processor unit such as external storage subsystems printers or other peripherals are covered by the applicable warranty for those products HP SureStore drives are considered external accessories and carry their own warranty The customer may be required to run HP supplied configuration and diagnostic programs before a replacement will be dispatched or an on site visit is authorized Third Party Hardware Products HP does not warrant thi
32. es the loop tenancy An example node C wants to send data to node A The first step is that node C issues an arbitrate message In a physical or hub based Fibre Channel network topology the arbitrate message has to circulate through nodes D A and B Any of those nodes are capable of replacing C s arbitrate message with its own higher priority message resulting in node C losing arbitration Thus any of the other nodes wanting to communicate interfere even though neither node A or C are involved with their activity In the switch implementation however node C always wins arbitration The only issue is whether node A is already active with a third node If it is node C has to wait but the wait is only for as long as node A remains active Three different scenarios are explained below HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide e Ifnode A is free node C s data is forwarded directly to node A without interference That is the messages do not circulate through each device on the loop and so latency savings on this transaction are also gained Note that all transactions are directed between the two communicating nodes No traffic ever circulates the entire network as it would in a loop topology e IfnodeA is busy with another loop tenancy the open message from node C is held until that loop tenancy is completed Holding the open message until node A is free sounds extreme until one considers the latency
33. essory in a system that has been labeled as a Class B product the requirements and notice for Class A equipment shall be applied Notice for Canada This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la Classe A respecte toutes les exigences du Reglement sur le mat riel brouilleur du Canada Notice for Japan For products labeled as Class A This equipment is in the Class A category information technology equipment based on the rules of Voluntary Control Council For Interference by Information Technology Equipment VCCI When used in a residential area radio interference may be caused In this case user may be required to take appropriate corrective actions 42 Regulatory Information IHK OSA EHER CI ORE od gt ERO Nac cha ET ORI THES eae Se le wv CCI OEE Pees leie d FI ET OWS AS Paes dd Notice for Korea Class A Warning Please note that this equipment has been approved for business purposes with regards to electromagnetic interference if purchased in error for use in residential area you may wish to exchange the equipment where you purchased it As 2 2 Ale AF7822 Ait SHAS HS AZWULSLU BHA SE ASX WSS ZO StAl2 bto roi BR Poses Uh Ole DaF RHAN HETSSE WeststAl He Notice for Taiwan Class A Warning ut ar ye FH a a Het RF Fs e a 6 A SE RE 2 zb eae
34. ether with a barrel connector make sure that both fibers are the same mode and diameter Laser types at each end of a link must match Cabling requirements for the fibre loop switch depend on the GBICs installed Depending on the GBIC it can support multi mode fiber single mode fiber or 29 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide copper cabling Table 3 provides the specifications for optical cable support and Table 4 provides the specifications for copper cable support Table 3 Optical cable requirements for the Fibre Loop Switch GBIC Type premise wiring for US and international use Shortwave laser premise wiring use Proprietary point to point cabling use only Shortwave laser Cable Spec Multi Mode Fiber Single Mode Fiber Distance in Meters 2m 300m 2m 500m 2m 10Km Fiber Core Size 62 5 um 50 um 9 um TIA standard for Not standard for Longwave laser Wave Length 780 850 nm 780 850 nm 1310 nm Cable Spec Value Signal Level FC Intra Cabinet Standard Connector Type DB 9 or HSSDC Distance in Meters gt 10 33 m equalized cable 0 10 m unequalized cable Table 4 Copper cable requirements for the Fibre Loop Switch 30 Chapter 3 Fibre Loop Switch Troubleshooting The following sections of this chapter provide information to help you troubleshoot problems with your fibre loop s
35. etween the agents and the management station Mirroring The technique of duplicating the data from one disk onto another in real time so that if the primary drive fails data is immediately recoverable from the secondary drive Mirroring is also known as RAID 1 The advantage is that it is simple and does not necessarily require an array controller and it is fast to store and recover The disadvantage is that it is the least efficient of the RAID types since it requires twice the amount of storage as simple direct storage Multicast Data that is sent to a group of N_ Ports in a fabric in parallel 60 Glossary Network A collection of interconnected components and the protocols and physical methods those components use to communicate Network components consist of network elements infrastructure components and network attachments devices which use the network to communicate A Storage Area Network is a network whose elements consist of computing devices storage devices and storage subsystems The predominant SAN protocol used is currently Fibre Channel NL_Port Node Loop Port It has the capability to communicate over both FC AL hubs and through F_Ports Node A node is a device that has at least one N_Port or NL Port to provide access to a Fibre Channel SAN N_Port Node Port It only has the capability to communicate through an EF Pont It is a port on a computer disk drive etc through which the device does its Fib
36. format is used to highlight information that will help you prevent equipment failure or loss of data 1 Warning This format is used to highlight material involving possibility of injury or equipment damage Danger This format is used to alert you that you can incur an electrical shock by mishandling equipment A This product is a safety Class I product which has a protective earthing terminal There must be an uninterrupted safety earth ground from the main power source to the product s input wiring terminal power cord s or supplied power cord set s Whenever it is likely that the protection has been impaired disconnect the power cord s until the ground has been restored APPARATEN SKALL ANSLUTAS TILL JORDAT NATTUTAG Contents Contents ne nta v Wee vii Related Publications ie a a ae aaa aE aA aaa eE Aaa Aa anana n Ra vii Related Web Sites ei viii Chapter 1 Introducing the HP P4459A 8 Port Fibre Loop Switch 1 Fibre Loop Switch Features cette eee eeee eset eeeeeeneeeeeeeeeseeeseeeeneeeeeeeee 1 GBIC Ports ari a RE ia lai ae a ii 1 Front Panel EDs Eeer alii liana iaia 2 Switching Operation EE 4 Fibre Channel Arbitration in the Fibre Loop Switch nennen 5 Fibre Loop Switch Initialization ceeeeeeeeeeeeeeeeeeeeeeeeeaeeeeaesaaeeaeeaaeeeaeees 6 Chapter 2 Installing the Fibre Loop Swit
37. gy levels HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Safety Instructions The following sections describe the symbols used on the fibre loop switch and within this guide and also provides safety information about the product e Symbols Used on Equipment e Symbols in Text e Grounding Requirements Symbols Used on Equipment The following table describes the symbols that are used on the fibre loop switch A Any surface of 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 risk of injury from electrical shock hazards do no open this enclosure This product is a safety Class I product which has a protective earthing terminal There must be an uninterrupted safety earth ground from the main power source to the product s input wiring terminal power cord s or supplied power cord set s Whenever it is likely that the protection has been impaired disconnect the power cord s until the ground has been restored APPARATEN SKALL ANSLUTAS TILL JORDAT NATTUTAG HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Symbols in Text The following symbols are used in the following formats to highlight special messages throughout this guide Note This format is used to highlight information of importance or special interest Caution This
38. h The fibre loop switch comes packed in a single integrated shipping box Retain the box to reship the switch if necessary Included are the following items A fibre loop switch This HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Two power cords Two HSSDC copper GBICs An HSSDC cable A rack mount kit If any parts are missing contact your sales or service representative HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Installing and Removing GBICs in the Fibre Loop Switch Each port that you plan on using on the fibre loop switch must be configured with an HP supported GBIC to provide media connectivity Depending on the GBIC installed connectivity options include copper and short wave multi mode fiber Because each switch port can be configured with any GBIC you can configure your switch for a variety of different media options to support your fibre channel architecture EI Note GBICs are hot pluggable This means that they can be installed and removed during operation while the switch is running The following sections describe e Installing a GBIC e Removing a GBIC Installing a GBIC The following procedure describes how to install a GBIC into a switch port Caution GBICs are sensitive to static electricity Static discharge from your clothing or other fixtures around you can cause damage To prevent damage to the GBIC wear a wrist strap or discharge leash
39. nd other management data that have been collected Connections The following subsections describe the handling of GBICs and Fibre Channel cables Caution GBICs are sensitive to static electricity Static discharge from your clothing or other fixtures around you can cause damage To prevent damage to the GBIC wear a wrist strap or discharge leash to free yourself of static before touching it e Leave the device in its antistatic bag until ready to install it e Hold the GBIC by its edges and handle it carefully e Always follow the GBIC manufacturer s recommended procedures for cleaning the GBIC This is especially true of the type of solvent used for cleaning optical surfaces e Do not install any GBIC that appears physically damaged This may result in permanent damage to the switch 34 Fibre Loop Switch Troubleshooting e Keep unused GBIC connectors covered with the plugs that are shipped with them to prevent contamination from obscuring or attenuating the light sig nals Fibre Channel Cables The fibre loop switch uses Fibre Channel cables to communicate with cascaded and end node devices Loose or broken cables can cause a number of problems Inspect the cabling between the switch and attached Fibre Channel devices Check for loose dirty broken or bent cabling and connectors 1 Inspect the switch fault LED indicators for apparent problems 2 Check that the GBICs are properly inserted 3 Check the port s
40. o plug in the other end of the power cord so that you can con nect devices to the switch before you power it 2 Ifyou purchased a filler panel separately install the filler panel on the front of the rack by pressing it into place as shown in Figure 16 Figure 16 Installing the Filler Panel Shown for HP Rack System E and HP Rack System U Racks _ Right Front Rack Column CDL o SS Q dch 6 o H o o a AN A w o o ni Zr a EI Lo Filler Panel Zax AA D de x Na 4 o SAN PST ol bo Right Rear Rack Column a Ae Pa o So x NA CH 6 Ss P Ei d b d Ce A AS IS 6 3 NN Ba Be a ED U a Zo A 8 SSS He A gd Sa oly Elo A ER o IN a ello NEW A do 6 INS Switch om le N As a witc 2 lo NI o 2 Po Nk o a Bilo Aly 3 Lo oly IB AS S dn N olo Alo 0 H H o o o 0 N o gie Io el TS aly blo g gt ci An SS Ie ANG SS 4 o o o 0 oN RS 0 N o o QU N EI A ST Ss SQ L oy BI Ado a 2 Ao AI e ilo Rs Li Qe gl S d So 2 D Ad In As lo r gd lt o 0 o ello 4 e d Vaste Wio 2 o d rd o Left Front Rack Column dk Left Rear Rack Column 3 Retracttheanti tip foot if desired 28 Installing the Fibre Loop Switch Powering up a System When bringing up an FC AL system first make all the connections with the equipment powered down then turn on the fibre loop switch before turning on any
41. on Link Green Indicates that a good physical link has been established Fault Amber Indicates that faulty data is being received on the port HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Switching Operation The fibre loop switch implements the Fibre Channel Arbitrated Loop protocol It provides concurrent connections to the storage area network SAN without changing the FC AL interface which most SAN end node devices normally communicate The SAN operation changes dramatically when comparing a switch with a hub environment The normal operation as seen by a single end node device does not change other than a rapid acceleration of responses in a switch environment Figure 3 illustrates how the fibre loop switch alters the response speed without changing the nature of the responses seen by a participating node Figure 3 Switching Using Fibre Channel Protocol FC Arbitrated Loop without Hubs ses FC Arbitrated Loop with Native Switch El Receiver or Data Input EG Transmitter or Data Output The fibre loop switch maintains signal and data integrity by re timing and re amplifying the signal at each port The data path routing however is significantly different in the switch than with a hub As shown on the top of Figure 3 a Fibre Channel network has a physical loop structure All traffic must go through all nodes Since the physical media is shared by all nodes the bandwidth mu
42. onnect two devices together through switch connection The P4459A is such a switch Topology The physical or logical layout of nodes on a network WWN Worldwide Name It defaults to the lowest value MAC Address assigned to any port WW Port Name Worldwide Port Name To ensure global uniqueness the MAC Address prepends 16 bits to create a 64 bit identifier The first 4 bits are a Network Address Authority NAA controlling authority identifier The next 12 bits are 0 padded When NAA 1 it means that the WW Port Name follows IEEE 802 3A Universal LAN MAC addressing Fibre Channel requires each port to assign an unchangeable WW Port Name See MAC Address ULP Upper Layer Protocol The protocol that runs on top of Fibre Channel through the FC 4 layer Well known ULPs that run over Fibre Channel are SCSI and IP Zoning The ability to divide a SAN into a number of independent zones for binding targets to initiators This allows a logical mapping of a physical configuration 64
43. ormation uuussnnr4n0nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnn 41 Regulatory Notice S ta lalla radiali giri 41 Electromagnetic Compliance une na ee 41 Regulatory Notices Product Safety ummz42s 444Hannnnnnnnnnnnnannnnnnnn nennen 46 Appendix C Warranty and Support nennen nennen 49 Hardware Accessories Limited Warranty 49 Hewlett Packard Hardware Accessories 49 Third Party Hardware Products u rer aa ee 50 HP Repair and Telephone Support nennen 50 U S and Canada gegen anne na nennen 50 Other Countries in a BER RR IRRE Eds 50 World de ET E EE 51 GIOSSARY sure Ri 53 vi Preface The fibre loop switch provides an affordable entry level SAN switch with multiple connectivity options This guide provides information about the features and capabilities of the fibre loop switch and how to install it Related Publications The following publications provide information regarding Storage Area Networks SANs and the Fibre Channel protocol Building Storage Networks Farley Marc Osborne McGraw Hill 2000 ISBN 0 07 212 050 9 Fibre Channel Arbitrated Loop Kembel Robert W Tucson Arizona Connectivity Solutions a division of Northwest Learning Associates Inc 1996 To order call 1 520 881 0877 in the USA Fibre Channel Gigabit Communications and I O For Computer Networks Benner Alan F McGra
44. pathway between components in a computer system or between workstations in a network A group of systems that work together as a single system to provide fast uninterrupted service It is a way to increase capacity and to add I O bandwidth A numeric flow control value that establishes advance permission to send one or more frames It is used for either end to end or buffer to buffer Class 2 frames As long as a port has a credit of greater than 0 it is able to continue to send frames Credit is granted by a port during the login process Datagram Device Datagram refers to an unacknowledged Fibre Channel frame or frame sequence borrowed from networking terminology The Fibre Channel standards use it specifically to refer to the type of unacknowledged service defined by Class 3 delivery See FC AL Device 54 Glossary D_ID Destination ID A Fibre Channel Address of a frame defining the destination node for that frame Diplex Communications In addition to full duplex communications between a pair of nodes a node can receive from another node while simultaneously transmitting to a third node independently Domain See Fibre Channel Address Duplex full Operation of a data communication link where transmissions are possible in both directions simultaneously Duplex half Operation of a data communication link where transmissions are possible in both directions but only in one direction at a time ELS Extend
45. power 2 Inspect the switch fault LED indicators for apparent problems If the fault LED goes on the switch may be faulty or the temperature may be out of limits 3 Inspect the cabling between the switch and attached Fibre Channel devices Check for loose dirty broken or bent cabling and connectors 4 If GBICs are in use check that they are properly inserted and that their cables are properly seated 5 Check the port status LEDs Reading the LED Indicators The LED indicators provide information about the status of the switch These should be used as the first stage in troubleshooting The various LEDs are interpreted by the following tables Table 5 interprets the behavior that the Power Fault and Initialization LEDs exhibit Table 6 gives a generic description of the Port LEDs 32 Fibre Loop Switch Troubleshooting Table 5 Reading The Power Fault and Initialization LEDs Label LED Color Interpretation Possible Causes Pattern Power Green ON The unitis connectedto This is the normal state when powered an AC power source on and the internal power supply is functioning OFF No power within the The line has no voltage switch The switch is disconnected or the power cable is bad The switch is faulty Fault Amber ON Switch is running a This is the normal self test state self test If the test fails the switch may be faulty If the light remains on after 15 seconds the switch f
46. r Install them inside the front rack columns Left and right front rack columns in the instructions below are as viewed from the rear of the rack e Put the R spacer on the left front rack column as shown in Figure 9 e Put the L spacer on the right front rack column as shown in Figure 9 Note The three holes in the spacer correspond to the three holes in the EIA unit Align the middle hole in the spacer with the hole you marked on the front rack column 19 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Figure 9 Installing Spacers on HP Rack System E and HP Rack System U Racks Left Front Rack Column Right Front Rack Column 2 Ai 3 H wow lt n Bes L Spacer A a Right Rear Rack Column R Spacer e pr pase RI N a Jo Ce Si la D f HIS Sal Qo ak Qs 3 Ri Qe N Qs ci Qo A o A NIN Left Rear Rack Column N Step 4 Attach the Sleeves to the Front Rack Columns When the installation is complete each rack rail will consist of two parts as shown in Figure 10 and Figure 11 e A switch rail which is mounted on the switch chassis and is later attached to the rear rack column e A sleeve which is mounted on the front rack column and which receives the switch rail Attach the sleeves to the insides of the front rack columns as follows 1 Identify thetwo sleeves as shown in Figure 10 20 Installing the Fibr
47. rd party hardware products Third party hardware products may be warranted in accordance with the third party warranty statement accompanying the product On site visits caused by third party hardware products whether internal to the HP Netserver system processor unit such as non HP DIMMs or external to the system processor unit such as LAN cabling are subject to standard per incident travel and labor charges HP Repair and Telephone Support U S and Canada For hardware repair or telephone support in the U S and Canada contact HP Customer Support Center Colorado 970 635 1000 24 hours a day 7 days a week Other Countries Refer to the HP Netserver Warranty and Service Support Booklet supplied with your HP Netserver system documentation for instructions on how to obtain HP repair and telephone support 50 Warranty and Support World Wide Web On the World Wide Web go to http netserver hp com netserver 51 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide 52 Glossary This glossary contains terms and acronyms that may be found in this documentation AL_PA Arbitrated Loop Physical Address The low order byte of a 3 byte Fibre Channel Source Destination ID field that defines an address hierarchy This is also called a Loop ID See D_ID or S_ID AL_PD A destination AL PA AL_PS A source AL PA ANSI American National Standards Institute the organization that coordinates
48. re Channel communication as a direct fabric attached port for use with point to point or fabric topology It is identified by a Worldwide Name N_Port ID The Fibre Channel Address that a node sends in the S_ID of each frame it sources and the Fibre Channel Address that a node responds to in the D_ID of each frame it receives If a Fibre Channel node receives a frame which contains a D_ID not equal to its N_Port ID it is considered a delivery error and the frame is discarded See Table Table 8 for its structure Table 8 N_Port ID Byte 2 Byte 1 Byte 0 Bits 23 16 Bits 15 8 Bits 7 0 Domain Area Loop AL_PA OFC Open Fibre Control is a defunct FC 0 signalling protocol used to provide eye safety for optics which are not intrinsically eye safe based on their optical power All interoperable Fibre Channel ports use non OFC optics 61 HP P4459A 8 Port Fibre Loop Switch Installation amp Opeartion Guide Out of band Using a separate channel for signaling to ensure full bandwidth availability for its primary purpose For example although more costly it ensures full bandwidth availability for voice or critical data transmission PLDA Private Loop Direct Attach A profile that defines an interoperable FC AL implementation Port A hardware pathway into and out of a node that performs data communications over the FC link For example a dual ported device has two separated pathways by which data is tran
49. rocess no real work is performed on the loop while it is underway Therefore it is wise to have a measure of visibility and control over LIP generation This is the advantage of P4459A Name Server It limits the effects of a LIP on other devices in the network Generally a new node requires some period of time to become ready to participate on the network The switch does nothing until the end node signals Introducing the HP P4459A 8 Port Fibre Loop Switch that it is ready to participate by sending a LIP Obviously this interrupts any traffic in progress on that switch port or on another switch port that is involved in a connection with a device on that switch port However it need not disrupt communications on any other switch port Upon receiving a LIP the switch conducts a series of passive tests on the new node to verify that it is well behaved HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Chapter 2 Installing the Fibre Loop Switch The following sections of this chapter provide detailed instructions for installing a fibre loop switch Unpacking the Fibre Loop Switch Installing and Removing GBICs in the Fibre Loop Switch Rack Mounting the Fibre Loop Switch Powering up a System Cabling for the Fibre Loop Switch Note Only trained personnel should install a loop switch Please read all instructions fully before performing the installation Unpacking the Fibre Loop Switc
50. sed with reasonable protection to the environment in which it is used Additional statements are provided below as required by the requirements of international and domestic regulations Wire connections to GBICs installed in this product must be made with shielded cables with metallic RFI EMI connector hoods in order to maintain compliance with FCC rules and regulations Note Check the label on your product to determine the level of operation 41 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Notice for United States Class A Equipment This equipment has been tested and found to comply with the limits for Class A digital devices pursuant to Part 15 of the FCC Federal Communications Commission Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user is required to correct the interference at their own expense Class A Accessories Installation and use of a Class A accessory creates a system that meets the requirements for industrial and commercial environments If you are installing a Class A acc
51. sferred Private Loop A Fibre Channel Arbitrated Loop that stands on its own and is not connected to a fabric Protocol A set of conventions or rules used by a program or operating system to communicate between two or more endpoints Examples include IPX TCP IP and AppleTalk Though the protocols differ they all allow information to be packaged sent from a source and delivered to a destination system Public Loop A Fibre Channel Arbitrated Loop that is connected to a fabric RAID Redundant Array of Inexpensive Disks It is a disk subsystem that appears as a single large fast disk drive even though it is in reality composed of an array of drives RFI Radio Frequency Interference Ring A configuration of computing devices interconnected in a ring shape The communication between any two points always includes all of the intermediate points 62 Glossary Router SAN A device connected to two or more networks that decides to which network to send the data It is often used in SANs to connect SCSI devices to Fibre Channel networks Storage Area Network This concept brings networking to storage It is a highly scalable managed server storage infrastructure that offers gigabit speed data connectivity high system availability extensive fault tolerance and low cost of ownership Scalability SCSI The ability of a system to incrementally increase connectivity and performance Small Computer System Interf
52. st be partitioned between any nodes that Introducing the HP P4459A 8 Port Fibre Loop Switch wish to communicate The addition of a hub as shown in the center of the same figure merely allows the cables from each node to go to a centralized location such as a wiring closet where the hub is located The media and bandwidth on that port are shared The fibre loop switch has been designed with a non blocking switch backplane there is enough switch matrix bandwidth available to support simultaneous conversations between many nodes The fibre loop switch helps reduce the time arbitration and loop initialization required in an active FC network The fibre loop switch also supports an initialization agent called PA459A Name Server These features are explained in the following sections e Fibre Channel Arbitration in the Fibre Loop Switch e Fibre Loop Switch Initialization Fibre Channel Arbitration in the Fibre Loop Switch Normal Fibre Channel data traffic operation is constrained by loop tenancies A loop tenancy is the time required for a complete data transfer An FC node wanting to send data starts a loop tenancy by arbitrating for ownership of the loop Upon winning arbitration the device wanting to send data opens a communication channel to its intended destination When the destination device responds that it has available buffer space the sender sends data until it is finished After the data transfer is complete the sender clos
53. tatus LEDs Temperature Control As in the case of almost all commercial electronics the fibre loop switch is designed to work in a normal room temperature environment which is between 10 and 40 C In order to maintain adequate cooling the fibre loop switch is equipped with fans and a filler panel Fans Three fans provide forced air cooling and operate in parallel Caution The air vents along the side and back panel of the fibre loop switch must not be blocked when installed The operating temperature must be kept between 10 and 40 degrees Celsius between 50 and 104 degrees Fahrenheit Filler Panel The filler panel that came with the switch must be left in the back slot in order to direct the forced air cooling The GBIC slots have doors to serve the same purpose as the filler panel and they must remain closed if a GBIC is not installed 35 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide 36 Appendix A Fibre Loop Switch Functional Specifications Switching Switch Backplane Bandwidth 12 Gigabits per second Switching Mode Non Blocking Port Speed este 1 0625 Gigabits per second Communication Modes Full or Half Duplex Diplex Port to Port Latency s ssesessseess0see lt 2 microseconds Physical Specifications Specifications that follow are without mounting hardware or GBICs PICTON ass hie 1 66 in 42 mm VI es
54. w Hill 1996 Fibre Channel Volume 1 the Basics Jan Dedek and Gary Stephens ANCOT Corporation 115 Constitution Drive Menlo Park CA 94025 1997 The Simple Book An Introduction to Management of TCP IP based Internets Marshall T Rose Prentice Hall 1992 What Is Fibre Channel Jan Dedek and Gary Stephens ANCOT Corporation 115 Constitution Drive Menlo Park CA 94025 November 1996 vii HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Related Web Sites These web sites among others provide significant information regarding SANs and the Fibre Channel protocol Table 1 Related Websites Site URL ANSI http www ansi org docs home html Fibre Channel Industry Association http www fibrechannel com Storage Network Industry Association http www snia org viii Chapter 1 Introducing the HP P4459A 8 Port Fibre Loop Switch The following sections of this chapter provide an overview of the features and functions of the fibre loop switch e Fibre Loop Switch Features Switching Operation Fibre Loop Switch Features The fibre loop switch features an integral 12Gb sec engine that enables full duplex concurrent switching on all ports Additional features of the fibre loop switch are described in the following sections e GBIC Ports e Front Panel LEDs GBIC Ports The fibre loop switch is designed for maximum flexibility It contains eight GBIC ports that
55. witch General Maintenance Considerations Troubleshooting the Switch Reset Button Connections Temperature Control General Maintenance Considerations To protect the switch for longer use we recommend that you Periodically vacuum the external surfaces of the switch to remove dust Do not drop fiber optic cable connectors onto hard surfaces This can cause internal glass fractures and intermittent signals Keep unused cable ends covered to prevent contamination from obscuring or attenuating the light signals Keep unused GBIC connections covered to prevent contamination from obscuring or attenuating the light signals Always follow the GBIC manufacturer s recommended procedures for cleaning the GBIC This is especially true of the type of solvent used for cleaning optical surfaces 31 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Never insert foreign objects into optical transmit and receive ports Do not bend fiber cable to less than a three inch bend radius Troubleshooting the Switch If there is a problem accessing a device connected to the fibre loop switch the source of the problem can be with the device the switch the host or any of the connections between the host and device Follow the steps outlined below to investigate the problem A description of possible symptoms and probable causes follows 1 Check the power LED If it is off the unit may not be plugged into main
56. with the barrel nut on HP Systems rack e The middle hole of the spacer on HP Rack System E and HP Rack System U racks 4 Hold the sleeve firmly to the rack column and insert one Torx screw through the sleeve and into the spacer or barrel nut as shown in Figure 11 or Figure 12 Finger tighten the screw 5 Attach the other sleeve to the other front rack column in the same way 23 HP P4459A 8 Port Fibre Loop Switch Installation amp Operation Guide Step 5 Attach the Switch Rails to the Switch Chassis 1 Remove the two side screws one on each side of the switch chassis that retain the cover as shown in Figure 13 You will not use these short screws in the rest of this assembly Figure 13 Securing the Switch Rails to the Switch Insert 1 Phillips head screw provided x Remove short screw US here and insert 1 Switch Rails Phillips head screw provided Switch Insert 1 Phillips head screw provided r Switch Rail Flanges Remove short screw here and insert 1 Phillips head screw provided 2 Attach one of the switch rails to the side of the switch chassis with two of the 1 Phillips head screws provided as follows e Orient one switch rail against the switch chassis as shown in Figure 13 The flange on the switch rail is on the outer side of the switch rail and near the rear panel e Align the holes in the switch rail with the screw holes in the switch chassis as indicated in Figure 13 e

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