Dell Drac 5 User Guide
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Advanced Configuration of the DRAC 561 The connect -h com2 command displays the contents of the serial history buffer before waiting for input from the keyboard or new characters from the serial port. NOTE: When using the -h option, the client and server terminal emulation type (ANSI or VT100) must be identical; otherwise, the output may be garbled. Additionally, set the client terminal row to 25. The default (and maximum) size of the history buffer is 8192 characters. You can set this number to a smaller value using the command: racadm config -g cfgSerial -o cfgSerialHistorySize Configuring Serial and Terminal Modes Configuring IPMI and RAC Serial 1Expand the System tree and click Remote Access. 2Click the Configuration tab and then click Serial. 3Configure the IPMI serial settings. See Table 4-6 for description of the IPMI serial settings. 4Configure the RAC serial settings. See Table 4-7 for description of the RAC serial settings. 5Click Apply Changes. 6Click the appropriate Serial Configuration page button to continue. See Table 4-8 for description of the serial configuration page settings. Table 4-6. IPMI Serial Settings Setting Description Connection Mode Setting • Direct Connect Basic Mode - IPMI Serial Basic Mode • Direct Connect Terminal Mode - IPMI Serial Terminal Mode Baud RateSets the data speed rate. Select 9600 bps, 19.2 kbps, 57.6 kbps, or 115.2 kbps.
62Advanced Configuration of the DRAC 5 Flow Control• None — Hardware Flow Control Off • RTS/CTS — Hardware Flow Control On Channel Privilege Level Limit• Administrator •Operator •User Table 4-7. RAC Serial Settings Setting Description EnabledEnables or disables the RAC serial console. Checked= Enabled; Unchecked=Disabled Maximum SessionsThe maximum number of simultaneous sessions allowed for this system. TimeoutThe maximum number of seconds of line idle time before the line is disconnected. The range is 60 to 1920 seconds. Default is 300 seconds. Use 0 seconds to disable the Timeout feature. Redirect EnabledEnables or disables Console Redirection. Checked= Enabled; Unchecked=Disabled Baud RateThe data speed on the external serial port. Values are 9600 bps, 28.8 kbps, 57.6 kbps, and 115.2 kbps. Default is 57.6 kbps. Escape KeySpecifies the key. The default are the ^\ characters. History Buffer SizeThe size of the serial history buffer, which holds the last characters written to the console. The maximum and default = 8192 characters. Login CommandThe DRAC command line to be executed upon valid login. Table 4-6. IPMI Serial Settings (continued) Setting Description
Advanced Configuration of the DRAC 563 Configuring Terminal Mode 1Expand the System tree and click Remote Access. 2Click the Configuration tab and then click Serial. 3In the Serial Configuration page, click Terminal Mode Settings. 4Configure the terminal mode settings. See Table 4-9 for description of the terminal mode settings. 5Click Apply Changes. 6Click the appropriate Terminal Mode Settings page button to continue. See Table 4-10 for description of the terminal mode settings page buttons. Table 4-8. Serial Configuration Page Settings Button Description PrintPrint the Serial Configuration page. RefreshRefresh the Serial Configuration page. Apply ChangesApply the IPMI and RAC serial changes. Terminal Mode SettingsOpens the Terminal Mode Settings page. Table 4-9. Terminal Mode Settings Setting Description Line EditingEnables or disables line editing. Delete ControlSelect one of the following: •BMC outputs a character when or is received — • BMC outputs a character when or is received — Echo ControlEnables or disables echo. Handshaking ControlEnables or disables handshaking. New Line SequenceSelect None, , , , , or . Input New Line SequenceSelect or .
64Advanced Configuration of the DRAC 5 Connecting to the Managed System Through the Local Serial Port or Telnet Management Station (Client System) The managed system provides access between the DRAC 5 and the serial port on your system to enable you to power on, power off, or reset the managed system, and access logs. The serial console is available on the DRAC 5 through the managed system external serial connector. Only one serial client system (management station) may be active at any given time. The telnet and SSH consoles are available on the DRAC 5 through the DRAC modes (see DRAC Modes on page 91). Up to four telnet client systems and four SSH clients may connect at any given time. The management station connection to the managed system serial or telnet console requires management station terminal emulation software. See Configuring the Management Station Terminal Emulation Software on page 65 for more information. The following subsections explain how to connect your management station to the managed system using the following methods: • A managed system external serial port using terminal software and a DB-9 or a null modem cable • A telnet connection using terminal software through the managed system DRAC 5 NIC or the shared, teamed NIC Table 4-10. Terminal Mode Settings Page Buttons Button Description PrintPrint the Terminal Mode Settings page. RefreshRefresh the Terminal Mode Settings page. Go Back to Serial Port ConfigurationReturn to the Serial Port Configuration page. Apply ChangesApply the terminal mode settings changes.
Advanced Configuration of the DRAC 565 Connecting the DB-9 or Null Modem Cable for the Serial Console To access the managed system using a serial text console, connect a DB-9 null modem cable to the COM port on the managed system. Not all DB-9 cables carry the pinout/signals necessary for this connection. The DB-9 cable for this connection must conform to the specification shown in Table 4-11. NOTE: The DB-9 cable can also be used for BIOS text console redirection. Configuring the Management Station Terminal Emulation Software Your DRAC 5 supports a serial or telnet text console from a management station running one of the following types of terminal emulation software: • Linux Minicom in an Xterm • Hilgraeve’s HyperTerminal Private Edition (version 6.3) • Linux Telnet in an Xterm •Microsoft Telnet Perform the steps in the following subsections to configure your type of terminal software. If you are using Microsoft Telnet, configuration is not required. Table 4-11. Required Pinout for DB-9 Null Modem Cable Signal Name DB-9 Pin (server pin)DB-9 Pin (workstation pin) FG (Frame Ground) – – TD (Transmit data) 3 2 RD (Receive Data) 2 3 RTS (Request To Send) 7 8 CTS (Clear To Send) 8 7 SG (Signal Ground) 5 5 DSR (Data Set Ready) 6 4 CD (Carrier Detect) 1 4 DTR (Data Terminal Ready) 4 1 and 6
66Advanced Configuration of the DRAC 5 Configuring Linux Minicom for Serial Console Emulation Minicom is the serial port access utility for Linux. The following steps are valid for configuring Minicom version 2.0. Other Minicom versions may differ slightly but require the same basic settings. Use the information in Required Minicom Settings for Serial Console Emulation on page 67 to configure other versions of Minicom. Configuring Minicom Version 2.0 for Serial Console Emulation NOTE: To ensure that the text displays properly, Dell recommends that you use an Xterm window to display the telnet console instead of the default console provided by the Linux installation. 1To start a new Xterm session, type xterm & at the command prompt. 2In the Xterm window, move your mouse arrow to the lower right-hand corner of the window and resize the window to 80 x 25. 3If you do not have a Minicom configuration file, go to the next step. If you have a Minicom configuration file, type minicom and skip to step 17. 4At the Xterm command prompt, type minicom -s. 5Select Serial Port Setup and press . 6Press and select the appropriate serial device (for example, /dev/ttyS0). 7Press and set the Bps/Par/Bits option to 57600 8N1. 8Press and set Hardware Flow Control to Ye s and set Software Flow Control to No. 9To e x i t t h e Serial Port Setup menu, press . 10Select Modem and Dialing and press . 11In the Modem Dialing and Parameter Setup menu, press to clear the init, reset, connect, and hangup settings so that they are blank. 12Press to save each blank value. 13When all specified fields are clear, press to exit the Modem Dialing and Parameter Setup menu. 14Select Save setup as config_name and press . 15Select Exit From Minicom and press .
Advanced Configuration of the DRAC 567 16At the command shell prompt, type minicom . 17To expand the Minicom window to 80 x 25, drag the corner of the window. 18Press , , to exit Minicom. NOTE: If you are using Minicom for serial text console redirection to configure the managed system BIOS, it is recommended to turn on color in Minicom. To turn on color, type the following command: minicom -c on Ensure that the Minicom window displays a command prompt such as [DRAC 5 oot]#. When the command prompt appears, your connection is successful and you are ready to connect to the managed system console using the connect serial command. Required Minicom Settings for Serial Console Emulation Use Table 4-12 to configure any version of Minicom. Configuring HyperTerminal for Serial Console Redirection HyperTerminal is the Microsoft Windows serial port access utility. To set the size of your console screen appropriately, use Hilgraeve’s HyperTerminal Private Edition version 6.3. To configure HyperTerminal for serial console redirection: 1 Start the HyperTerminal program. 2Type a name for the new connection and click OK. Table 4-12. Minicom Settings for Serial Console Emulation Setting Description Required Setting Bps/Par/Bits 57600 8N1 Hardware flow control Yes Software flow control No Terminal emulation ANSI Modem dialing and parameter settingsClear the init, reset, connect, and hangup settings so that they are blank Window size 80 x 25 (to resize, drag the corner of the window)
68Advanced Configuration of the DRAC 5 3Next to Connect using:, select the COM port on the management station (for example, COM2) to which you have connected the DB-9 null modem cable and click OK. 4Configure the COM port settings as shown in Table 4-13. 5Click OK. 6Click File Properties, and then click the Settings tab. 7Set the Te l n e t t e r m i n a l I D : to ANSI. 8Click Te r m i n a l S e t u p and set Screen Rows to 26. 9Set Columns to 80 and click OK. The HyperTerminal window displays a command prompt such as [DRAC 5 oot]#. When the command prompt appears, your connection is successful and you are ready to connect to the managed system console using the connect com2 serial command. Configuring Linux XTerm for Telnet Console Redirection Use the following guidelines when performing the steps in this section: • When you are using the connect com2 command through a telnet console to display the System Setup screens, set the terminal type to ANSI in System Setup and for the telnet session. • To ensure that the text is properly displayed, Dell recommends that you use an Xterm window to display the telnet console instead of the default console provided by the Linux installation. Table 4-13. Management Station COM Port Settings Setting Description Required Setting Bits per second 57600 Data bits 8 Pa r i t y N o n e Stop bits 1 Flow control Hardware
Advanced Configuration of the DRAC 569 To run telnet with Linux: 1 Start a new Xterm session. At the command prompt, type xterm & 2 Click on the lower right-hand corner of the XTerm window and resize the window to 80 x 25. 3Connect to the DRAC 5 in the managed system. At the Xterm prompt, type telnet Enabling Microsoft Telnet for Telnet Console Redirection NOTE: Some telnet clients on Microsoft operating systems may not display the BIOS setup screen correctly when BIOS console redirection is set for VT100 emulation. If this issue occurs, update the display by changing BIOS console redirection to ANSI mode. To perform this procedure in the BIOS setup menu, select Console Redirection Remote Terminal Type ANSI. 1Enable Te l n e t in Windows Component Services. 2Connect to the DRAC 5 in the management station. Open a command prompt, type the following, and press : telnet : where IP address is the IP address for the DRAC 5 and port number is the telnet port number (if you are using a new port). Configuring the Backspace Key For Your Telnet Session Depending on the telnet client, using the key may produce unexpected results. For example, the session may echo ^h. However, most Microsoft and Linux telnet clients can be configured to use the key. To configure Microsoft telnet clients to use the key: 1 Open a command prompt window (if required). 2If you are not running a telnet session, type: telnet If you are running a telnet session, press .
70Advanced Configuration of the DRAC 5 3At the prompt, type: set bsasdel The following message appears: Backspace will be sent as delete. To configure a Linux telnet session to use the key: 1 Open a command prompt and type: stty erase ^h 2 At the prompt, type: telnet Using a Serial or Telnet Console Serial and telnet commands, and RACADM CLI can be typed in a serial or telnet console and executed on the server locally or remotely. The local RACADM CLI is installed for use by a root user only. Running Telnet Using Windows XP or Windows 2003 If your management station is running Windows XP or Windows 2003, you may experience an issue with the characters in a DRAC 5 telnet session.This issue may occur as a frozen login where the return key does not respond and the password prompt does not appear. To fix this issue, download hotfix 824810 from the Microsoft Support website at support.microsoft.com. See Microsoft Knowledge Base article 824810 for more information. Running Telnet Using Windows 2000 If your management station is running Windows 2000, you cannot access BIOS setup by pressing the key. To fix this issue, use the telnet client supplied with the Windows Services for UNIX 3.5—a recommended free download from Microsoft. Go to www.microsoft.com/downloads/ and search for Windows Services for UNIX 3.5.