Write, Defaults | HP UX 11i v2 Networking Software manual

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 Configuration Switch Administration and Management 109 131 129 156 152154 155 227 217223 Page List of Figures HyperTerminal LoginPage Show ib Keyword Descriptions Default User Names, Passwords and PrivilegesDescription of Access Levels List of Tables IP Commands Show logging Command Syntax DescriptionShow trace Command Syntax Descriptions Show user Command Syntax Descriptions Publishing History About This DocumentIntended Audience New and Changed Documentation in This Edition Typographical Conventions What’s in This Document Related 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 Adapters Hardware 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 Switch Hardware Overview Preliminary Considerations Installation PlanningPreliminary Considerations Applications Application 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 Adapter Inserting the AB286C Host Channel Adapter On-Line Addition and Replacement Operations OL This 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 Preparation Fixed and Sliding Rails Installing the Switch Attach 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 Radius Attach to other HP Fabric devices Switch SetupConnect Cables to Switch Switch or Adapter Enable the management port Setting up the SwitchEnter configure to enter the global-configuration mode Set the default gateway address. This address is an example Syntax 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 HCA Sample Configurations using the AB286A/C or AD313A HCA Configurations with More Than 24 End Nodes 128 Node 50% non-Blocking Configuration Following is a listing of the major topics in this chapter Administration and Management Administration 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 Options Itutil 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 Example Administration 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 NetTL Syntax nettl -llog class -esubsystem IPoIB Tracing IPoIB Administration and ManagementIfconfig Command IB Tracing Level information for a given ipoibppa Lanadmin CommandsDisable the IPoIB Interface To disable the IPoIB interface Displaying IPoIB Interface Link-Level Information Syntax 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 Clusters Switch Administration and Management Switch Administration and Management Privilege Level Using the CLICLI Overview Starting a CLI Session Entering CLI Modes Administrator Roles Exiting CLI Modes Using Command Completion Quick Help Command Abbreviation Command-Line Editing Key Stroke Shortcuts Command before returning to user-execute modeExiting the CLI Session Specifying the Card/Port Lists Card/Port pairsRanges Indicates ports 2 through 4 on card Enter the global-configuration mode Advanced Switch SetupConfiguring the System Hostname Testing Network Connectivity Logging On Through the CLI Setting User Levels and PasswordsManaging the Switch Logging Onto the System Managing Through the CLI Management Methods Configuration, Image, and Log File Overview Configuration, Image, and Log Files Set-Up the Hardware Connection Understanding the Upgrade ProcessImage Upgrade Procedure Summary Upgrading Image Files Check the Image Version Enter the privileged-execute mode Copy/Download the Image Install a New Image Optional View the images by using the dir image command Show the new system -image Specify a New Boot Image Deleting System Images and Image Files Reboot the SystemTroubleshooting an Image Upgrade Viewing Log Files Listing Configuration, Image, and Log FilesViewing Configuration Files File Management Specifying the Configuration to Use at System Reboot Saving Configuration FilesSaving for System Reboot Saving the Backup Configuration Show the new system image Arguments to the copy command are described belowSaving and Copying Files Example Tslog. The .cfg extension is optional Deleting Configuration, Image, and Log FilesDownloading Files to the System Colon Display the log files that are in memory Deleting Configuration FilesDetermine the configuration files in memory Deleting Log Files Deleting 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 Format Switching User Identity Administering the System Sending 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 Password Adding New Users Displaying User Information Deleting 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 CLI Reboot 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 Indicators Rear System Status LED Indicator Front System Status LED Indicator Power supply/ Fan Status LED Indicator Power Supply Troubleshooting Bottom Top Green- over Green Off Flickering Ethernet Port Status LED IndicatorsEthernet Management Port LEDs HP Fabric HCA Connection LEDs Been 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 Faulty Next Steps Monitoring and Troubleshooting the HP-UX HostHP-UX Host Troubleshooting Procedure Syntax example itutil Output example Monitoring and Troubleshooting the HP-UX Host Monitoring and Troubleshooting Syntax example itutil -c fe802c9018a08a11 ib0 Description Port failure Sample nettl Log Messages Following are examples of nettl log output Monitoring and Troubleshooting IPoIBNettl Sample Log Output Sample IB Logs PDU in Trace Sample IPoIB Logs NetTL Linkloop CommandKnown Problems CLI can also be used to monitor the system Monitoring and Troubleshooting the SwitchHealth Monitoring IP Filter Product About Tracing About Logging and TracingAbout HP Fabric Events Flow Troubleshooting the HP Fabric NetworkPing Verify Link Speed Setting Trace LevelsEnabling Tracing Disabling Tracing Replacing Individual Components Replacing a Power Supply Module HCA Environmental Specifications AB286C SpecificationsPhysical and Environmental Specifications HCA Physical Specifications AB286C 130 Using the Documentation Switch Command Line Interface Examples Show CommandsDefaults Related Commands Show 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 backplane Table 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 status Synopsis Table B-6 Show card-inventory Command Syntax DescriptionsTable B-7 show card-inventory Command Field Descriptions Show card-inventory Show clock Show configRelated Commands clock Syntax show fan Related Commands copyTable B-8 show fan Command Field Descriptions Show fan Table B-9 show ib Keyword Descriptions Show ib sm configurationShow host Show ib InfiniBand read-only user Table B-10 Show ib Command Syntax DescriptionsTable B-11 Show ib Command Field Descriptions User-execute and privileged-execute modes Show 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 Type Show 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 or Packets 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 value Errors and the buffers are not immediately reclaimed Local-phy-error Table B-18 Show ib sm service Command Syntax Descriptions Show ib sm service Table 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-change Show 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 form Lid Decimal-base LID of this port Show ib-agent switchFollowing example displays a summary of all the SMA nodes Agent Swguid 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 switch Defaults 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-port Show 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 below Link-trap Usage Guidelines None Show interface ib sm Show interface ib sm statistics Show interface mgmt-ib Show interface mgmt-ethernet Show ip Show interface mgmt-serial Show logging Table B-33 show ip Command Syntax DescriptionsShow location End Table B-34 show logging Command Syntax DescriptionShow ntp Syntax show ntp Usage Guidelines Examples Show power-supplyRelated Commands ntp Show running-status Show sensor Show snmp Show system-services Show 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 user Show 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 Description Ip ip-over-ib-mtu Defaults The default ip-over-ib-mtu isDefaults The default domain name is an empty string Ip domain-name Ip name-server-one Defaults The default ip-over-ib-mtu unit isTable B-42 Command Syntax Description Defaults The default is an empty string Ip route Table B-43 Command Syntax DescriptionTable B-44 Command Syntax Description Ip name-server-two Arp ib InfiniBand CommandsTable B-45 InfiniBand Commands Ib sm subnet-prefix Table 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 adds Syntax is described in the following table Ib-agent switchResponse-timeout is 2,000 microseconds Ib-agent channel-adapter Link-trap Config-if-ib submodeTable B-50 interface ib Command Syntax Description Interface ib Name 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 Description Reboots the chassis. See reload Ftp-server enable Use to enable or disable ftp-servicesLogging Configures active log Configures a radius-server. See radius-server Table B-55 action Keywords Boot-configTable B-56 boot-config Keywords Action Broadcast Table B-57 boot-config ArgumentsTable B-58 Broadcast Command Arguments Clock ConfigureTable B-59 clock Command Argument Descriptions Card Copy Syntax Table B-60 copy Command Syntax DescriptionsTable B-61 Copy Command Argument Descriptions System upon boot-up Syntax delete fsfile Arguments related to the delete command are described belowTable B-62 Delete Command Argument Descriptions Delete Dir Related Commands cardTable B-63 Dir Command Argument Descriptions To display installed system-images and image files Syntax enable DisableEnable Syntax disable Exit Ftp-server enableExec Privileged-execute modes Gateway History Defaults The default gateway IP address isRelated Commands None Help Hostname InstallSynopsis The hostname command assigns a name to the system Table B-69 hostname Command Argument Description Interface Table B-70 install Command Argument DescriptionsTable B-71 interface Command Keywords Example Interface mgmt-ethernet No ipip mask Related Commands ipInterface mgmt-ib Syntax ipip mask Table B-72 Location Syntax Descriptions Location Logout LoginSynopsis The logout command ends the current CLI session Logging Ntp Related Commands exitRelated Commands dir More Table B-73 Radius-server Syntax Descriptions PingRadius-server Syntax ping dest Enabling/Disabling the Ethernet Management Port Synopsis The reload command reboots the chassisReload Syntax reload No snmp-server Snmp-server Defaults 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 Guidelines Terminal time-out Defaults The default is 24 lines per screenDefaults The default time-out interval is 15 minutes Terminal length Type Syntax type type Table B-76 type Command Argument Username 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 Prerequisite How to Use Windows HyperTerminal Configuring the HyperTerminal Connection Figure C-3 Connect To Dialog Box Figure C-4 COM Port Properties Dialog Box Verifying the HyperTerminal Connection Figure C-5 HyperTerminal Login 222 223 Glossary Glossary Ietf 225 Snmp 226 227 Ib-rw, 104 setting levels, 104 unrestricted-rwIndex Index CLI 229 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