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Comments on Fibre Channel to SCSI Router PSFR-CP41

Installing, Starting Up and Maintaining

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U42093-J-Z716-1-74

Siemens AG
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User Documentation UNIX
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Содержание PSFR-CP41

Страница 1: ...Edition April 1999 Fibre Channel to SCSI Router PSFR CP41 Installing Starting Up and Maintaining ...

Страница 2: ...tion to suit your individual needs Fax forms for sending us your comments are included at the back of the manual There you will also find the addresses of the relevant User Documentation Department Copyright and Trademarks Copyright Siemens AG 1999 All rights reserved Delivery subject to availability right of technical modifications reserved All hardware and software names used are trademarks of t...

Страница 3: ...des connectivity between a Fibre Channel Switched Fabric FC SW or Arbitrated Loop FC AL and one Fast Wide Ultra SCSI bus Supported devices include Initiator Devices Fibre Channel and SCSI hosts Sequential Access Devices Tape drives Changer Devices Tape and Magneto Optical Libraries ...

Страница 4: ...nnel Features Fibre Channel initiator and target modes Single 1 0625 Gbps port Fibre Channel Arbitrated Loop and Switched Fabric topologies Private Loop Direct Attach PLDA profile compliant Class 3 connection with SCSI FCP protocol Optical GLM I 0 Power Fault LEDs 10 Base T Ethernet Serial S CSI Ethernet FC Fibre Channel Power Entry Module S CS I ...

Страница 5: ...ueuing and disconnect reconnect Middle of bus configuration with active external termination SCSI 2 and SCSI 3 protocols 68 pin D shell P type connectors Differential Disk tape optical and changer devices SCC Indexed and Automatic addressing modes Configuration Features Serial RJ 11 connector for terminal access Ethernet RJ 45 connector for FTP Telnet and Web browser access Easy field upgradable f...

Страница 6: ...D Ethernet activity LED Power LED Failure LED Airflow with internal fan Rack mount or desktop enclosure Physical Dimensions Width 43 18cm 17 00 inches Depth 22 82cm 8 98 inches Height 4 31cm 1 70 inches 1U Weight 3 18 kg 7 lbs Operating Environment 5 to 40 C 5 to 80 Relative Humidity non condensing Non operating Environment 40 to 55 C 0 to 92 Relative Humidity non condensing Power 100 240 VAC Auto...

Страница 7: ...U42093 J Z716 1 74 Operating Manual Introducing the PSFR CP41 PSFR CP41 Benefits PSFR CP41 Benefits Point to Point Single initiator to single target ...

Страница 8: ...Operating Manual U42093 J Z716 1 74 PSFR CP41 Benefits Introducing the PSFR CP41 Single Initiator Single initiator to multiple targets Multi Initiator Multiple initiators to single or multiple targets ...

Страница 9: ... error recovery and flow control provide an enterprise with reliable data delivery Scalability Point to point links can be expanded to multi initiator links supporting inter connected servers tape drives tape libraries disk drives and disk arrays Flexibility The PSFR CP41 allows Fibre Channel initiators to communicate with SCSI targets as well as SCSI initiators to communicate with Fibre Channel t...

Страница 10: ... passes packets to SCSI or Fibre Channel targets as if the PSFR CP41 were just another device along the path The PSFR CP41 provides connections for a single SCSI bus and a Fibre Channel Arbitrated Loop or Switched Fabric It takes advantage of Fibre Channel s ability to encapsulate SCSI protocol packets to allow a host with a FC or SCSI adapter to access SCSI or FC peripheral devices transparently ...

Страница 11: ...guring the PSFR CP41 The Fibre Channel Side In a Fibre Channel loop the PSFR CP41 is identified by a single Arbitrated Loop Physical Address AL_PA or a fabric assigned Source ID Once the address is acquired any host on the Fibre Channel loop can access the devices on the SCSI bus transparently over a FC connection Mapping Devices To allow Fibre Channel and SCSI devices to address each other the PS...

Страница 12: ... in the PSFR CP41 receives the packet interprets the FC infor mation and places the packet in buffer memory 3 The PSFR CP41 s processor interprets the information and programs the SCSI controller to process the transaction 4 The SCSI controller sends the command to the SCSI device target Information processing 5 The target interprets the command and prepares to either read or write data 6 Data flo...

Страница 13: ...SFR CP41 processes information from the SCSI bus host by requesting operations of targets on a Fibre Channel Storage Area Network SAN The information is processed using the same method as described in the previous section except it begins with the SCSI host bus issuing commands and the information passing through the PSFR CP41 to the FC SAN ...

Страница 14: ...uld meet the requirements found in Chapter 1 If you plan to use the router on a tabletop attach the stick on feet to the bottom of the router to protect the surface The PSFR CP41 contains a cooling fan mounted in the rear of the enclosure and intake vents on the front of the enclosure The rear fan vent and the front intake vents should remain clear of obstructions to ensure proper airflow Unpackin...

Страница 15: ...alling the PSFR CP41 Mounting the PSFR CP41 in a Rack Follow the directions below to mount the PSFR CP41 in a standard rack Materials needed 1 PSFR CP41 2 Left and right mounting rails 3 Slide rails 4 Mounting screws and cage nuts Required tools Phillips screwdriver 1 2 3 4 ...

Страница 16: ... fan vent and the front intake vents remain clear of obstructions to ensure proper airflow 1 Remove the router from the protective bag 2 Determine where the PSFR CP41 will be mounted 3 Remove any blanking panels and other equipment from the chosen rack location 4 Install the cage nuts on the vertical mounting rails in the rear of the rack cabinet i ...

Страница 17: ...he brackets are not level the PSFR CP41 cannot be installed correctly 5 Locate the front of the mounting brackets 6 Attach the brackets to the front mounting rails using two screws on each side Be sure to use only the top and bottom holes in each bracket The middle holes will be used to attach the front cover panel after the unit is installed Tighten the screws securely ...

Страница 18: ...e back or in the back of the rack with the connectors facing the front attach the mounting brackets as shown in Fig Mounting at front of rack Mounting at front of rack If you are mounting the PSFR CP41 in the front of the rack with the connectors facing the front or in the back of the rack with the connectors facing the back attach the ears as shown in Fig Mounting at back of rack ...

Страница 19: ...Manual U42093 J Z716 1 74 Mounting the PSFR CP41 in a Rack Installing the PSFR CP41 Mounting at back of rack 7 Attach each bracket to a rear mounting rail using one screw on each side Tighten the screws securely ...

Страница 20: ...SFR CP41 in a Rack 8 Attach the slide rails to the PSFR CP41 using two screws on each side Slide the unit back into the rack and push in on the front tabs until the rails snap into place Once the PSFR CP41 is installed you are ready to connect it to the other system components ...

Страница 21: ...ifferent types of physical interfaces to the PSFR CP41 Fibre Channel SCSI RS 232 Serial port Ethernet The RS 232 and Ethernet ports are used primarily for PSFR CP41 configu ration and management MIB information for each interface is discussed later in this chapter Port locations I 0 Serial Port Ethernet Port Fibre Channel Port SCSI Port ...

Страница 22: ...y allow for individual ports to be configured for different media types The PSFR CP41 must be connected to the hub or switch port with the appropriate cabling for the media type in use on both the PSFR CP41 and the port to which it is connected The PSFR CP41 supports various Fibre Channel media types through the use of an internal Gigabaud Link Module GLM This module is factory installed and may b...

Страница 23: ...wing the unit to be attached in the middle or at the end of a SCSI bus If the PSFR CP41 is located at one end of the SCSI bus an external terminator should be installed A terminator is provided with the PSFR CP41 The PSFR CP41 supplies termination power TERMPWR on the SCSI bus A self resetting fuse is used that will reset after the fault is cleared Fig Fibre Channel connection shows the Fibre Chan...

Страница 24: ...rrow to wide adapter 3 Connect the other end of the SCSI cable to the next SCSI device on the bus 4 If the PSFR CP41 is at the end of the SCSI bus place the terminator provided with the router on the PSFR CP41 s other SCSI connector If the router is not at the end of the bus attach a second SCSI cable to the other SCSI connector Use a narrow to wide adapter if necessary Connect this cable to the n...

Страница 25: ... 45 connector on the unit can be directly connected to a standard 10BaseT Ethernet network You must first set the network address via the serial port to use the configuration capabilities of the Ethernet port Refer to Chapter Configuring the PSFR CP41 for details on setting the network address Ethernet capabilities include Telnet and HTTP Interface Web Browser for configuration FTP and TFTP for fi...

Страница 26: ...FR CP41 monitor diagnostic status or to update the program stored in the PSFR CP41 s Flash memory A cable is provided with the unit to connect to a DB 9 serial connection Further information on the operations allowed via the RS 232 port is provided in Chapter Configuring the PSFR CP41 The RS 232 port operates with the following settings Baud Rate Autobaud 9600 19200 38400 57600 or 115200 Data Bits...

Страница 27: ...r key five or six times and the PSFR CP41 will automatically detect the baud rate and configure the router The baud rate is then saved in the PSFR CP41 s configuration and will be retained through future power cycles Hitting the Enter key before the POST has completed has no effect on the autobaud feature Wait until the POST has completed before hitting the ENTER key The baud rate in the terminal ...

Страница 28: ...n to use the PSFR CP41 outside of the U S or Canada you must supply your own power cord To connect the power cord to the PSFR CP41 1 Make sure the PSFR CP41 s power is switched off See Fig PSFR CP41 power switch and outlet for the location of the power switch on the back of the router 2 Connect the female end of the power cord to the power connector on the back of the PSFR CP41 3 Plug the male end...

Страница 29: ...oth a diagnostic and a configuration tool for the PSFR CP41 The following sections outline what MIB information is available for each interface type on the Private MIB For more information on accessing the Private MIB contact a support representative MIB Fibre Channel Interface Information Fibre Channel data reported includes frame and packet information upper layer protocol ULP type FCP or IP and...

Страница 30: ...VPD from Inquiry command for each SCSI device SCSI configuration information This information can be found in the SCSI Statistics Table SCSI Config Group and the SCSI Product Data Groups of the private MIB MIB Ethernet and Serial Interfaces Information The Ethernet interface is used for configuration and management so total traffic flow is relatively low The basic Ethernet configuration items are ...

Страница 31: ... for Fibre Channel hosts to connect to SCSI targets Configuration is needed in some cases to modify the method in which this occurs as well as to support SCSI hosts communicating with Fibre Channel targets Other functions and features can be configured as well and are discussed further in this chapter A typical configuration would have a Fibre Channel host connecting via an arbitrated loop to the ...

Страница 32: ... configuration in most cases It should however be recognized that more complex installations or specific application requirements may require one or more configuration elements to be changed from the default settings Configuration with tape library An understanding of the basic characteristics of Fibre Channel and SCSI devices is recommended before configuring the PSFR CP41 ...

Страница 33: ...nfiguration If the desired address is not available at loop initialization time the PSFR CP41 comes up on the loop in non participating mode This allows the loop to continue to operate although the unit will not be accessible via the Fibre Channel interface This would occur when another device on the arbitrated loop has acquired the same address as that configured on the PSFR CP41 Hard addressing ...

Страница 34: ...rsely affected by bus resets should disable this feature The PSFR CP41 negotiates for the maximum values for transfer rates and data width on the SCSI bus If an attached device does not allow the full rates the unit will use the rates negotiated for that device Negotiation is on a device specific basis so the unit can support a mix of device types on the same bus Fibre Channel Host to SCSI Target ...

Страница 35: ...mands SCSI storage array addressing to address SCSI devices attached to the PSFR CP41 SCSI Targets are selected by mapping the appropriate values into the FCP LUN field and correlating a Fibre Channel LUN value to a SCSI Bus Target LUN value The PSFR CP41 acts as a single initiator on the SCSI bus defaulting to ID 7 All commands passed through to the SCSI bus originate from this SCSI ID Indexed Ad...

Страница 36: ...sired for the specific requirements needed An assist is also provided to perform device discovery and fill the table in the order that devices are discovered on the SCSI bus Indexed Addressing mode is recommended for environments where device configuration may change and a fixed mapping from the application to the target devices is required An example of such an environment is where hot plug devic...

Страница 37: ...ery to be performed in order of target or LUN as desired for the specific environment Auto Addressing target mode is configured as the default mode of the PSFR CP41 SCC Addressing The PSFR CP41 implements the SCSI 3 Controller Commands SCC X3T10 Project 1047D Revision 6b 01 July 96 SCSI storage array addressing to address SCSI devices attached to the PSFR CP41 The Access Method used is the SCC Log...

Страница 38: ...ough SNMP and telnet Menus are not case sensitive You can enter uppercase and lowercase characters interchangeably when selecting from menus The PSFR CP41 Configuration Program allows the user to control many config uration settings through the PSFR CP41 serial interface Among these are Baud rate of the serial port Fibre Channel address SCSI initiator and target IDs Ethernet IP and MAC addresses F...

Страница 39: ...green indicator turns on when power is applied to the router Fault This amber indicator is lit when the PSFR CP41 detects a fault condition Faults can occur as a result of Power on Self Test POST failure or operational failures SCSI This green indicator signifies SCSI activity when lit Ethernet This green indicator signifies Ethernet activity when lit Fibre Channel This green indicator signifies F...

Страница 40: ...41 appearing as logical units LUNs In addition operating systems can extend the available SCSI limit of 15 per bus Although this is not an issue for the operating system or most applications there are cases where older applications can have expectations about what are valid SCSI ID s and not deal correctly with certain mappings In particular applica tions have been seen to have difficulties addres...

Страница 41: ...rt SNMP is transported via the Ethernet connection 10BaseT port SNMP support allows configuration and management using any standard SNMP management tool SNMP data is defined in the SNMP MIB Provides a private MIB for configuration of the PSFR CP41 The private MIB includes all objects configurable from the terminal user interface The private MIB also includes some Fibre Channel and SCSI statistics ...

Страница 42: ...to the serial port on the rear of the router The PSFR CP41 is designed to communicate with any operating system that utilizes a terminal emulator For example you can use Hyperterminal on Windows NT 4 0 If your computer uses another operating system be sure the baud rate data bits stop bits parity and terminal emulation are set as specified in the following Table Connection properties For more info...

Страница 43: ...er s serial ports for example COM1 or COM2 and the PSFR CP41 s serial port 2 Start your terminal interface program 3 Set the terminal interface program to use the appropriate COM port 4 Specify the following settings for the port Before powering on the PSFR CP41 make sure all the devices on the SCSI bus are powered on and have finished performing their self tests The devices on your Fibre Channel ...

Страница 44: ... menu allows for various operations to be performed on the PSFR CP41 Performing Power on Self Test Monitor flash Check sum passed Program store Main RAM passed Trace Buffer in Main RAM passed PCI Protocol RAM 4mb passed SCSI Script RAM passed Initializing Ports Fibre channel Port Single frame Sequence Loopback passed Fibre channel Port Single frame Sequence Loopback passed Ethernet Port Loopback p...

Страница 45: ...Configuration This option changes the baud rate used on the serial port Select 1 5 for appropriate baud rate setting i Configuration Menu Version X X XXXX 1 Baud Rate Configuration 2 Fibre Channel Configuration 3 SCSI Configuration 4 Ethernet Configuration 5 Fibre Channel to SCSI Mapping Configuration 6 SCSI to Fibre Channel Mapping Configuration 7 Trace Settings Configuration A Save Configuration...

Страница 46: ...tting the SCSI Initiator ID enabling SCSI Target IDs and setting the SCSI bus reset behavior Fibre Channel Configuration Menu Version X X XXXX Current Fibre Channel Configuration World Wide Name High 0x10000011 World Wide Name Low 0x10000001 Use Hard ALPA No 1 Change World Wide Name High 2 Change World Wide Name Low 3 Toggle Hard ALPA Usage X Return to previous menu SCSI Configuration Menu Version...

Страница 47: ...addressing table is also accessed through this menu When configuring Indexed addressing the user is presented a table with the current mappings The user can then select a table entry by FCP LUN and specify the associated BUS TARGET LUN Alternately the user can fill with one of multiple preset patterns or with the list of currently attached SCSI devices The user then saves these values in FLASH mem...

Страница 48: ...levels to be set This should not be modified in normal operation as performance degradation may result Further information on using this interface can be located in the troubleshooting section of the manual Fibre Channel to SCSI Configuration Menu Version X X XXXX Current Fibre Channel to SCSI Mapping Mode is Indexed 1 Display Attached SCSI Devices LUN Priority 2 Display Attached SCSI Devices Targ...

Страница 49: ...tes the saved previous configuration state Restore Last Saved Configuration This option restores the most recent previously saved configuration This can be useful when configuration changes are made but the user wishes to return to the previously configured state Reset Configuration to Factory Defaults This option resets all configuration options to the factory defaults ...

Страница 50: ...the troubleshooting section of this manual Status of Power on Self Test Version X X XXXX Serial Port Loopback passed Monitor flash Checksum passed Program store Main RAM passed Trace Buffer in Main RAM passed PCI Protocol RAM passed SCSI Script RAM passed Fibre channel Port Single frame Sequence Loopback passed Fibre channel Port Multi frame Sequence Loopback passed Ethernet Port Loopback passed S...

Страница 51: ...he user must select the Download a new revision of the Firmware command to start the download procedure To download firmware Once the message Downloading appears in the emulator utility 1 Use the Transfer Send File option in the terminal emulator utility 2 Select the location of the firmware Use the Browse button if you need help finding it 3 Make sure you select XMODEM as the protocol 4 Press the...

Страница 52: ...place the current revision of the firmware A reboot will also be performed as part of this process Are you sure Y N y Please begin xmodem firmware transfer ________ transmit Firmware image via XMODEM Performing Power on Self Test Self test completed successfully Select which mode to boot 1 Fibre Channel SCSI Router 2 Diagnostics Monitor seconds left 1 1 Verifying firmware checksum Updating firmwar...

Страница 53: ...erial port will be disabled when a telnet session is connected When logging in for a telnet session use root as the user name and password as the password Upgrading the PSFR CP41 s firmware You can use FTP or TFTP to send a new firmware image to the PSFR CP41 If you plan to use the Ethernet port you must first configure its address You can set the physical address IP address and IP subnet mask The...

Страница 54: ...ation Version X X XXXX Current SNMP Configuration Community Name for GET pub Community Name for SET priv Manager IP Address for Traps 1 1 1 1 Traps are enabled for events of any priority 1 Change Community Name for GET 2 Change Community Name for SET 3 Toggle Trap 4 Change Manager IP Address for Traps 5 Decrease Trap Priority 6 Increase Trap Priority X Return to previous menu SNMP Configuration Ve...

Страница 55: ...e for the SNMP GET request to be successfully completed Configure your SNMP manager to have the same GET and SET community names as the PSFR CP41 IP Address for Traps The Trap Manager IP address is the address used for sending Traps Typically this is the IP address of the machine using the Network Management Program and or a MIB browser Trap Priority The SNMP Trap Priority determines which traps w...

Страница 56: ...etects a fault condition Faults can occur as a result of Power On Self Test POST failure or opera tional failures It is normal for this indicator to flash on when the unit is powered up or reset If the fault indicator stays lit contact Siemens support The SCSI indicator shows SCSI activity when lit This should only occur briefly during power up or configuration and relatively often when the unit i...

Страница 57: ...ferential devices on the same bus Similarly Single Ended terminators cannot be used on Differential buses and Differential terminators cannot be used on a Single Ended bus Device ID Each device on a SCSI bus must have a unique ID Also check the configured ID s for the PSFR CP41 to verify these are not in use by other devices on the same SCSI bus Cabling Check SCSI cables to verify they are functio...

Страница 58: ...o verify that the media type of the PSFR CP41 and attached hub HBA or switch are of corresponding types When using optical media verify that the attached device is using non OFC type optical devices Verify SCSI Devices in NT If running FC to SCSI mapping mode open the NT Control Panel select SCSI Adapters and double click on the FC HBA The SCSI devices should be listed If no devices are listed ver...

Страница 59: ... are using a current version of the host bus adapter driver Verify HBA Device Driver Information Check the HBA device driver Readme file for configuration specifics An HBA may require a different configuration depending on whether it is connected to a loop or a switch RS 232 Port Problems If you experience trouble communicating with the RS 232 port verify the host terminal emulation configuration ...

Страница 60: ...ble Kit Contact Siemens support If you are unable to resolve your issue contact your service representative Siemens support may ask that you provide trace data or other configuration information Trace data is obtained by setting the appropriate trace levels in the configuration menu and running the failing situation The terminal emulator is set to capture information to a file and the appropriate ...

Страница 61: ...ernet Pin Assignments RJ 11 pin assignments RJ 45 pin assignments Pin No Function Pin 1 No Connect Pin 2 Ground Pin 3 Transmit Data Pin 4 Receive Data Pin 5 RTS Pin 6 CTS Pin No Function Pin 1 Transmit Pin 2 Transmit Pin 3 Receive Pin 4 Pin 5 Pin 6 Receive Pin 7 Pin 8 Pin 9 ...

Страница 62: ... Device discovery is performed and an FCP target device list is built Each device is queried for FCP logical units The logical units are the actual devices that the operating system will address When an initiator addresses a logical unit the LUN field used is consistent in form with the SCC defined fields All current Fibre Channel host bus adapter drivers are consistent with these methods The addr...

Страница 63: ...tion Appendix B SCC Logical Unit Addressing LUN structure Address Method definitions Bit Byte 7 6 5 4 3 2 1 0 n 1 0 Target n 1 Bus LUN Codes Description 00 Peripheral Device Addressing Method 01 Volume Set Addressing Method 10 Logical Unit Addressing Method 11 Reserved ...

Страница 64: ... 0x39 49 0x5C 70 0x81 91 0xAE 112 0xD2 8 0x1B 29 0x3A 50 0x63 71 0x82 92 0xB1 113 0xD3 9 0x1D 30 0x3C 51 0x65 72 0x84 93 0xB2 114 0xD4 10 0x1E 31 0x43 52 0x66 73 0x88 94 0xB3 115 0xD5 11 0x1F 32 0x45 53 0x67 74 0x8F 95 0xB4 116 0xD6 12 0x23 33 0x46 54 0x69 75 0x90 96 0xB5 117 0xD9 13 0x25 34 0x47 55 0x6A 76 0x97 97 0xB6 118 0xDA 14 0x26 35 0x49 56 0x6B 77 0x98 98 0xB9 119 0xDC 15 0x27 36 0x4A 57 0...

Страница 65: ...s specified in the defined field Host systems using SCC addressing will typically do initial device discovery using the Peripheral Device Addressing method On issuing an INQUIRY command the host will receive the PSFR CP41 inquiry data Appendix C Table 2 indicating the device type as a controller device The host will then know on this basis that subsequent commands to attached devices will use the ...

Страница 66: ...the number of targets per bus less one initiator ID per bus times the number of LUNs per target The index table can be manually edited Config uration tools allow for the table to be filled in order of increasing bus target or LUN as may be desired for the specific requirements needed A method is also provided to perform device discovery and fill the table in the order that devices are discovered o...

Страница 67: ...bus the Index table relating FCP LUN values is filled with adjacent FCP LUNs referencing each subsequent SCSI device The host system will then detect every attached device without voids allowing full device discovery to the host This allows easy configuration in environments where device ordering is not important and hot plugging of SCSI devices will not occur Tape libraries are excellent candidat...

Страница 68: ...annel Private Loop Direct Attach FC PLDA Fibre Channel Arbitrated Loop FC AL ANSI X3T11 Project 960D Rev 4 54 Contact Globe Engineering 1 800 854 7179 GigaBaud Link Module GLM Family Fibre Channel System Initiative FCSI 301 Revision 1 0 Common FC PH Feature Sets Profiles Fibre Channel Systems Initiative FCSI 101 Rev 3 1 SCSI Profile Fibre Channel System Initiative FCSI 201 Rev 2 2 FCSI IP Profile ...

Страница 69: ...Physical Address Arbitrated Loop See Fibre Channel Arbitrated Loop Area The second byte of the N_Port Identifier Auto Assigned Mapping A menu item The auto addressing option creates a mapping table using devices discovered upon powering up or resetting the PSFR CP41 that is not otherwise retained by the PSFR CP41 Baud The encoded bit rate per second Bus A means of transferring data between modules...

Страница 70: ...ation An exchange identifies information transfers consisting of one or more related nonconcurrent sequences that may flow in the same or opposite directions but always in half duplex mode An exchange is identified by an OX_ID and an RX_ID Fabric A FC term describing a switched topology which is one of the three existing FC topologies Fabric elements interconnect various N_Ports or NL_Ports and ar...

Страница 71: ...re Path ID A FC term describing a list of values showing the physical hardware path of the FC host to the target device Format Bus_Converter Adapter_Address Protocol_Type Area Port Bus Target LUN Example 8 4 8 0 0 2 4 0 Fiber The fiber optic cable made from thin strands of glass through which data in the form of light pulses is transmitted LASER LED It is used for high speed transmission over medi...

Страница 72: ...n the source and destination are on the same loop Fibre Channel Protocol for SCSI FCP FCP defines a Fibre Channel mapping layer FC 4 that uses FC PH services to transmit SCSI command data and status information between a SCSI initiator and a SCSI target Using FCP enables transmission and receipt of SCSI commands data and status across the Fibre Channel using the standard Fibre Channel frame and se...

Страница 73: ...nm Long wave lasers are used for long Fibre Channel links from 700 to 2000 m They are typically used with single mode fiber of a 9 micron core size Loop Address A FC term indicating the unique ID of a node in Fibre Channel loop topology sometimes referred to as a Loop ID Also a status type in the FC Status Menu showing the FC Loop Address of the PSFR CP41 Loop Port L_Port A FC port that supports l...

Страница 74: ...tor or a responder N_Port Identifier A FC term indicating a unique address identifier by which an N_Port is uniquely known It consists of a Domain most significant byte an Area and a Port each 1 byte long The N_Port identifier is used in the Source Identifier S_ID and Destination Identifier D_ID fields of a FC frame Node Name A field value under the FC Status Menu The unique FC identifier a 64 bit...

Страница 75: ...ctly connected by a link with no fabric loop or switching elements present The PSFR CP41 supports all topologies Port Name A field value under the FC Status Menu the FC port identifier a 64 bit value the factory assigns to each FC adapter POST See Power On Self Test Power On Self Test POST A group of tests run when the PSFR CP41 is powered on Processor Contains the arithmetic and logic control and...

Страница 76: ...ddress of a device dictates the device s priority when arbitrating for the SCSI bus SCSI address 7 has the highest priority The next highest priority address is 6 followed by 5 4 3 2 1 0 15 14 13 12 11 10 9 8 with 8 being the lowest priority address The fast wide SCSI adapter is factory set to address 7 A narrow SCSI adapter supports up to eight devices including itself SCSI address 7 has the high...

Страница 77: ... showing the speed 1063 Mbps of the FC adapter Target A SCSI device usually the peripheral that responds to an operation requested by a SCSI initiator usually the host system SCSI peripherals are targets but for some commands for example a COPY command the peripheral may need to act temporarily as an initiator Terminator Block Termination An electrical connection at each end of the SCSI bus compos...

Страница 78: ... being used Trap In the context of SNMP an unsolicited message sent by an agent to a management station The purpose is to notify the management station of some unusual event View Node Name A status type in the FC Status Menu showing the identification of the node View Port Name A status type in the FC Status Menu showing the identification of the port World Wide Name WWN A Name_Identifier which is...

Страница 79: ...he environment Note on saving energy Devices that do not have to be switched on permanently should not be switched on until they are used and should be switched off during long breaks and on completion of work Note on dealing with consumables Please dispose of printer consumables and batteries in accordance with local government regulations Note on labeling plastic housing parts Please avoid stick...

Страница 80: ...mental protection The Siemens AG representative for environmental protection will be pleased to answer any further questions you may have concerning environmental protection Siemens AG Environmental Protection Werner von Siemens Straße 6 86159 Augsburg Tel 49 821 599 2999 Fax 49 821 599 3440 ...

Страница 81: ...g Starting Up and Maintaining Comments Suggestions Corrections Submitted by U42093 J Z716 1 74 Siemens AG Information and Communication Products Computer Systems User Documentation UNIX 33094 Paderborn Germany Fax 49 52 51 8 1 52 48 e mail DOCetc pdb siemens de ...

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