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HP UX 11i v2 Networking Software manual Write, Defaults, This command has no defaults

Models: UX 11i v2 Networking Software

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super	10.10.253.47admin	10.10.196.8
HP-IB#
Defaults:	This command has no defaults.

Related Commands: “broadcast” (page 191) “write” (page 215)

write

Synopsis: The write command writes a text message to the terminal of a specified user.

Syntax: write user string user is the name

string is the SNMP community-string that will be used to authenticate the chassis to the SNMP server. Enclose multi-word community strings within double-quotes (“ “).

Command Modes: User-execute and privileged-execute modes.

Privilege Level: General read-only user.

Usage Guidelines: This command is used to send messages about administrative functions that are of interest to individual users or an impending reboot if there is only one other user on the chassis.

Examples:

HP-IB# write admin "Please reconnect ib1 to the switch cluster connection."HP-IB#

Defaults: This command has no defaults.

Related Commands: “broadcast” (page 191) “who” (page 214)

Administrative Commands 215

Page 215

Image 215

HP UX 11i v2 Networking Software manual Write, Defaults, This command has no defaults

Contents

HP Fabric Clustering System HP-UX Administrators Guide Copyright 2004-2008 Hewlett-Packard Development Company, L.P Table of Contents Interfaces ConfigurationSwitch Administration and Management 109 131 129156 152154 155227 217223 Page List of Figures HyperTerminal LoginPage Show ib Keyword Descriptions Default User Names, Passwords and PrivilegesDescription of Access Levels List of TablesIP Commands Show logging Command Syntax DescriptionShow trace Command Syntax Descriptions Show user Command Syntax DescriptionsPublishing History About This DocumentIntended Audience New and Changed Documentation in This EditionTypographical Conventions What’s in This DocumentRelated Documents Related Documents HP Encourages Your CommentsPage Understanding InfiniBand Introduction to TechnologyUnderstanding the Fabric Clustering System About the HP Fabric Clustering System Software Suite About the HP Fabric Clustering System Software Suite User-Space Rdma LibraryKernel Rdma Subsystem Interaction with HyperFabric DriverPage HP offers the following new Host Channel Adapters HCA Hardware OverviewHardware Components Host Channel AdaptersHardware Overview AB286C Host Channel Adapter Connector View AB286C Host Channel Adapter Side View AB286A Host Channel Adapter Connector View AB286A Host Channel Adapter Side View Figureigure Hardware Components Other Product Elements SwitchHardware Overview Preliminary Considerations Installation PlanningPreliminary Considerations ApplicationsApplication Availability Installation PlanningSite Set-up Enter your product name Click the double arrow Installing HP Fabric Clustering SystemHP Fabric Clustering System Installation Prerequisites Installing HP Fabric Clustering System Install HP Fabric Clustering System AdaptersInstalling the AH304A Host Channel Adapter Secure the card and reassemble the system Installing the 410533-B21 Host Channel AdapterInstalling the AD313A Host Channel Adapter Inserting the AD313A Host Channel Adapter Installing the AB286C Host Channel AdapterInserting the AB286C Host Channel Adapter On-Line Addition and Replacement Operations OLThis opens the Software Selection window Install HP Fabric Clustering System SoftwareWhere devicename is the name assigned to the CD-ROM drive IB subsystem IB Rdma IPoIB IB device driver ibt Install HP Fabric Clustering System SwitchesT-25 Torx screwdrivers Second person for the installation Rack Mount PreparationFixed and Sliding Rails Installing the SwitchAttach Rail to Switch Securely attach all rails to the rack Remove Support Bracket if installedRemove Shipping Sleeve Attach Cable Guides & Cables Attach Cable Guides & CablesCable Routing and Bend Limits Attach Cables Cable Installation Minimum Bend RadiusAttach to other HP Fabric devices Switch SetupConnect Cables to Switch Switch or AdapterEnable the management port Setting up the SwitchEnter configure to enter the global-configuration mode Set the default gateway address. This address is an exampleSyntax and Example nwmgr -S ipoib Internet Protocol over InfiniBand IPoIBPage Configuration Parameters ConfigurationSupported Features Configurations up to 24 End Nodes Non-Supported FeaturesSupported Configurations Sample Configurations using the AB286A/C or AD313A HCASample Configurations using the AB286A/C or AD313A HCA Configurations with More Than 24 End Nodes128 Node 50% non-Blocking Configuration Following is a listing of the major topics in this chapter Administration and ManagementAdministration and Management HP-UX Host Administration and ManagementUsing Itutil Following syntax must be used with itutil command options Summary of Itutil Command OptionsItutil Administrative Commands Itutil Command OptionsItutil Management Commands Syntax itutil Syntax Example itutil Output Example Syntax Example itutil -i ib0 Output Example Syntax Example itutil -s-i ib0 Output Example Syntax Example itutil -t IB Output ExampleAdministration and Management Syntax Example itutil -c Output Example Displaying Connectivity Information Using ItutilSyntax Example itutil -r Output Example Example itutil -T Viewing the Itutil Manpage Using NetTLSyntax nettl -llog class -esubsystem IPoIB Tracing IPoIB Administration and ManagementIfconfig Command IB TracingLevel information for a given ipoibppa Lanadmin CommandsDisable the IPoIB Interface To disable the IPoIB interface Displaying IPoIB Interface Link-Level InformationSyntax Example lanadmin -g Output Example Syntax Example lanadmin -a Output ExampleSyntax Example lanadmin -s Output Example Syntax lanadmin -x-hipoibppa Syntax Example lanadmin -x -h Introduction Serviceguard and IPoIBLanscan Command Using Serviceguard and IPoverIB Configuring IPoIB Interfaces for Serviceguard ClustersSwitch Administration and Management Switch Administration and ManagementPrivilege Level Using the CLICLI Overview Starting a CLI SessionEntering CLI Modes Administrator RolesExiting CLI Modes Using Command CompletionQuick Help Command AbbreviationCommand-Line Editing Key Stroke Shortcuts Command before returning to user-execute modeExiting the CLI Session Specifying the Card/PortLists Card/Port pairsRanges Indicates ports 2 through 4 on cardEnter the global-configuration mode Advanced Switch SetupConfiguring the System Hostname Testing Network ConnectivityLogging On Through the CLI Setting User Levels and PasswordsManaging the Switch Logging Onto the SystemManaging Through the CLI Management MethodsConfiguration, Image, and Log File Overview Configuration, Image, and Log FilesSet-Up the Hardware Connection Understanding the Upgrade ProcessImage Upgrade Procedure Summary Upgrading Image FilesCheck the Image Version Enter the privileged-execute modeCopy/Download the Image Install a New Image Optional View the images by using the dir image commandShow the new system -image Specify a New Boot ImageDeleting System Images and Image Files Reboot the SystemTroubleshooting an Image Upgrade Viewing Log Files Listing Configuration, Image, and Log FilesViewing Configuration Files File ManagementSpecifying the Configuration to Use at System Reboot Saving Configuration FilesSaving for System Reboot Saving the Backup ConfigurationShow the new system image Arguments to the copy command are described belowSaving and Copying Files ExampleTslog. The .cfg extension is optional Deleting Configuration, Image, and Log FilesDownloading Files to the System ColonDisplay the log files that are in memory Deleting Configuration FilesDetermine the configuration files in memory Deleting Log FilesDeleting Image Files Determine the currently installed system-imagesVerify that you had successfully removed the log file Uploading Log Files HP Fabric Switch devices use the following log formatManaging Log Files Understanding the Log FormatSwitching User Identity Administering the SystemSending Messages to Individual Users Notifying UsersBroadcasting Messages to Users Creating User Accounts Understanding Usernames and PasswordsDefault User Names, Passwords and Privileges Setting or Changing a PasswordAdding New Users Displaying User InformationDeleting a User Account Community Strings User Account Configuration CommandsUser Account Administrative Commands Following table displays the different access-levels Using DNS ServicesSetting Administrative Roles Setting the System Clock Save your configuration Setting the NTP Servers to Maintain the System ClockRebooting the System Setting Time Through the CLIReboot the System Through the CLI 108 Diagnosing Problems Monitoring and TroubleshootingDiagnosing Problems LED Color, Behavior, and Meaning HP Fabric Switch Cluster Connection LEDsHP Fabric Switch System Status IB Port Status LED IndicatorsRear System Status LED Indicator Front System Status LED IndicatorPower supply/ Fan Status LED Indicator Power Supply TroubleshootingBottom Top Green- over Green Off Flickering Ethernet Port Status LED IndicatorsEthernet Management Port LEDs HP Fabric HCA Connection LEDsBeen Top Established None HCA is not HCA Connection LED Colors and MeaningsLogical Solid Indicates a Determining if the Switch is Faulty Determining Whether the HCA or Cable is FaultyNext Steps Monitoring and Troubleshooting the HP-UX HostHP-UX Host Troubleshooting Procedure Syntax example itutil Output example Monitoring and Troubleshooting the HP-UX HostMonitoring and Troubleshooting Syntax example itutil -c fe802c9018a08a11 ib0 Description Port failure Sample nettl Log MessagesFollowing are examples of nettl log output Monitoring and Troubleshooting IPoIBNettl Sample Log Output Sample IB LogsPDU in Trace Sample IPoIB LogsNetTL Linkloop CommandKnown Problems CLI can also be used to monitor the system Monitoring and Troubleshooting the SwitchHealth Monitoring IP Filter ProductAbout Tracing About Logging and TracingAbout HP Fabric Events Flow Troubleshooting the HP Fabric NetworkPing Verify Link Speed Setting Trace LevelsEnabling Tracing Disabling TracingReplacing Individual Components Replacing a Power Supply ModuleHCA Environmental Specifications AB286C SpecificationsPhysical and Environmental Specifications HCA Physical Specifications AB286C130 Using the Documentation Switch Command Line InterfaceExamples Show CommandsDefaults Related CommandsShow arp IB Defaults There are no defaults for this commandShow arp ethernet Examples To display the InfiniBand ARP table Show authenticationExamples To display the authentication method Show backplaneTable B-3 show boot-config Command Field Descriptions Show boot-configDefaults This command has no defaults Show card Syntax Description This command has the following argumentsShow card Card Defaults show card defaults to show card allImage data for internal configuration Oper statusSynopsis Table B-6 Show card-inventory Command Syntax DescriptionsTable B-7 show card-inventory Command Field Descriptions Show card-inventoryShow clock Show configRelated Commands clock Syntax show fan Related Commands copyTable B-8 show fan Command Field Descriptions Show fanTable B-9 show ib Keyword Descriptions Show ib sm configurationShow host Show ibInfiniBand read-only user Table B-10 Show ib Command Syntax DescriptionsTable B-11 Show ib Command Field Descriptions User-execute and privileged-execute modesShow ib sm neighbor Table B-12 show ib sm multicast Command Syntax DescriptionsShow ib sm multicast Show ib sm node subnet-prefix Table B-13 show ib sm neighbor Command Field DescriptionsArguments associated with this command are described below An unknown type Node guid Use with the all keywordClass-version TypeShow ib sm partition Show ib sm port Table B-16 Show ib sm port Command Syntax DescriptionsTable B-17 show ib sm port Command Field Descriptions 12x Value may beNo state change 1x orPackets transmitted by this port. There is no default value Received by this port. There is no default valueTransmitted by this port. There is no default value Packets received by this port. There is no default valueErrors and the buffers are not immediately reclaimed Local-phy-errorTable B-18 Show ib sm service Command Syntax Descriptions Show ib sm serviceTable B-20 show ib sm switch Command Field Descriptions Show ib sm switchTable B-19 show ib sm switch Command Syntax Descriptions Lid-per-port Partition enforcement is not supported by the switchLife-time-value Port-state-changeShow ib-agent channel-adapter Slot System chassis slot in which the device resides Type Table B-22 Show ib-agent summary Command Field DescriptionsShow ib-agent summary Usage Guidelines formLid Decimal-base LID of this port Show ib-agent switchFollowing example displays a summary of all the SMA nodes AgentSwguid Show ib-agent switch linear-frd-infoDisplay the attributes of a single switch Type, GUIDs, and capabilities Show ib-agent switch all mcast-info lidShow ib-agent switch all node-info Swguid Guid of a specific InfiniBand switchDefaults This command has no defaults Usage Guidelines None Examples Show ib-agent switch all pkey-infoShow ib-agent switch port-info SL0 to VL mapping Show ib-agent switch sl-vl-mapNode-guid Bit Guid of this node In-ib-port Out-ib-portShow ib-agent switch switch-info Table B-31 Show interface ib Output Descriptions Table B-30 Show interface ib Command Syntax DescriptionsShow interface ib Syntax is described in the table belowLink-trap Usage Guidelines None Show interface ib smShow interface ib sm statistics Show interface mgmt-ib Show interface mgmt-ethernetShow ip Show interface mgmt-serialShow logging Table B-33 show ip Command Syntax DescriptionsShow location End Table B-34 show logging Command Syntax DescriptionShow ntp Syntax show ntpUsage Guidelines Examples Show power-supplyRelated Commands ntp Show running-statusShow sensor Show snmp Show system-servicesShow trace Table B-36 show trace Command Syntax DescriptionsShow terminal Shows all users in the user database Table B-37 Show user Command Syntax DescriptionsShow user Username Specify the name of a specific userShow version Arp ib IP CommandsTable B-38 IP Commands Enter the IP address of the target host Default ip ip-over-ib-mtuClear ib arp-cache Table B-39 Auto-negotiate Syntax DescriptionIp ip-over-ib-mtu Defaults The default ip-over-ib-mtu isDefaults The default domain name is an empty string Ip domain-nameIp name-server-one Defaults The default ip-over-ib-mtu unit isTable B-42 Command Syntax Description Defaults The default is an empty stringIp route Table B-43 Command Syntax DescriptionTable B-44 Command Syntax Description Ip name-server-twoArp ib InfiniBand CommandsTable B-45 InfiniBand Commands Ib sm subnet-prefixTable B-46 ib sm subnet-prefix Syntax Description Sweep-interval is 10 seconds Table B-47 Acceptable PKey ValuesFollowing example removes a specified subnet manager Following example creates a Partition, and addsSyntax is described in the following table Ib-agent switchResponse-timeout is 2,000 microseconds Ib-agent channel-adapterLink-trap Config-if-ib submodeTable B-50 interface ib Command Syntax Description Interface ibName Commands syntax is described in the table belowDefaults The default is no link-trap Defaults The default interface name is card#/port#Table B-54 Administrative Commands Administrative CommandsCommands stoats is described in the table below Table B-53 Shutdown Command Syntax DescriptionReboots the chassis. See reload Ftp-server enable Use to enable or disable ftp-servicesLogging Configures active log Configures a radius-server. See radius-serverTable B-55 action Keywords Boot-configTable B-56 boot-config Keywords ActionBroadcast Table B-57 boot-config ArgumentsTable B-58 Broadcast Command Arguments Clock ConfigureTable B-59 clock Command Argument Descriptions CardCopy Syntax Table B-60 copy Command Syntax DescriptionsTable B-61 Copy Command Argument Descriptions System upon boot-upSyntax delete fsfile Arguments related to the delete command are described belowTable B-62 Delete Command Argument Descriptions DeleteDir Related Commands cardTable B-63 Dir Command Argument Descriptions To display installed system-images and image filesSyntax enable DisableEnable Syntax disableExit Ftp-server enableExec Privileged-execute modes GatewayHistory Defaults The default gateway IP address isRelated Commands None HelpHostname InstallSynopsis The hostname command assigns a name to the system Table B-69 hostname Command Argument DescriptionInterface Table B-70 install Command Argument DescriptionsTable B-71 interface Command Keywords Example Interface mgmt-ethernetNo ipip mask Related Commands ipInterface mgmt-ib Syntax ipip maskTable B-72 Location Syntax Descriptions LocationLogout LoginSynopsis The logout command ends the current CLI session LoggingNtp Related Commands exitRelated Commands dir MoreTable B-73 Radius-server Syntax Descriptions PingRadius-server Syntax ping destEnabling/Disabling the Ethernet Management Port Synopsis The reload command reboots the chassisReload Syntax reloadNo snmp-server Snmp-serverDefaults Telnet access is enabled by default Table B-74 Snmp-server Command Keyword DescriptionsTable B-75 snmp-server Command Argument Descriptions Command Modes Privilege Level Usage GuidelinesTerminal time-out Defaults The default is 24 lines per screenDefaults The default time-out interval is 15 minutes Terminal lengthType Syntax type type Table B-76 type Command ArgumentUsername Syntax who Table B-77 Default User AccountsWho Write DefaultsThis command has no defaults 216 Loading HyperTerminal How to Use Windows HyperTerminalAttaching through Windows HyperTerminal HyperTerminal PrerequisiteHow to Use Windows HyperTerminal Configuring the HyperTerminal ConnectionFigure C-3 Connect To Dialog Box Figure C-4 COM Port Properties Dialog Box Verifying the HyperTerminal ConnectionFigure C-5 HyperTerminal Login 222 223 GlossaryGlossary Ietf225 Snmp226 227 Ib-rw, 104 setting levels, 104 unrestricted-rwIndex Index CLI229 See also HCAs hostname 231 Index See also ports Snmp 235 Changing, 104 user access levels changingAbout, 104 adding, 101 creating, 100 user information Index