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Sun StorageTek 6140 Array Hardware Installation Guide |
C H A P T E R 6 |
In order forthere to be an out-of-band Ethernet connection between the localmanagement host and the array controllers, the management host and thearray controllers must have valid IP addresses.
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This chapterdescribes how to configure IP addressing on the local management hostand the array controllers. It contains the following sections:
About IP Addressing
The SunStorageTek 6140 Array is managed out-of-band by way of a standardEthernet connection between the redundant array of independent disk(RAID) controllers and your management host.
![6140 Serial Connection 6140 Serial Connection](/uploads/1/2/5/7/125757746/356370205.gif)
Perform thefollowing procedures to ensure that the local management host and thearray controllers have valid IP addresses:
- Configure IPaddresses for the array controllers (see Configuring the IPAddress of the Array Controllers)
- Configure anIP address for the management host (see the SunStorageTek Common Array Manager Software Installation Guide)
Configuring the IP Address of the ArrayControllers
You canconfigure two types of IP addressing for Ethernet port 1 of each arraycontroller:
- Dynamic HostConfiguration Protocol (DHCP) IP addressing - IP addresses for Ethernetport 1 are assigned dynamically from a DHCP server running bootstrapprotocol (BOOTP) services. By default, this occurs automatically atinitial power-on. An IP address assigned to an Ethernet port is heldonly as long as needed.
- Static IPAddressing - You assign a specific IP address to Ethernet port 1 ofeach controller. Static IP addresses remain in effect until you modifyor remove them or you change the method of IP addressing for theEthernet port to DHCP.
By default,if the array controllers cannot find a DHCP server upon initialpower-on, an internal IP address is assigned to Ethernet port 1 of eachcontroller:
- Ethernetport 1 of Controller A is assigned IP address 192.168.128.101
- Ethernetport 1 of Controller B is assigned IP address 192.168.128.102
To configureEthernet port 1 on a controller with either dynamic or static IPaddressing, see one of the following sections:
Configuring Dynamic (DHCP) IP Addressing
If BOOTPservices are available on the DHCP server at initial array power on,this server assigns a dynamic IP address for Ethernet port 1 on eachcontroller.
If a DHCPserver is not available, the controller tray defaults to internalstatic IP addresses as described in Configuring the IPAddress of the Array Controllers.
If you wantto set up a DHCP server, refer to Appendix A for adescription of how to configure BOOTP services in Sun Solaris orMicrosoft Windows environments.
You canrestore DHCP IP addressing to Ethernet port 1 of either controller ineither of two ways:
- Using theserial port interface (see Using the Serial Port Interface to Assign IP Addresses)
- Using theSun StorageTek Common Array Manager (see the SunStorageTek Common Array Manager Software Installation Guide)
Configuring Static IP Addressing
There are twomethods of assigning static IP addresses to the Ethernet ports of acontroller:
- The serialport interface (see Using the Serial Port Interface to Assign IP Addresses)
- The CommonArray Manager (see the Sun StorageTek CommonArray Manager Software Installation Guide)
Note- It is recommended that youuse the serial port interface to assign IP addresses to Ethernet port 1of each controller, if possible. |
Using the Serial Port Interface to Assign IPAddresses
You can usethe serial port interface on a controller to set the IP address forEthernet port 1 on the controller.
To use theserial port interface to configure IP addressing for Ethernet port 1 ofeach controller, you must complete the tasks described in the followingsections:
ToConnect a Terminal to the Serial Port |
You willestablish a serial connection to each controller, Controller A andController B. Two mini-DIN to RJ45 serial port cables are supplied witheach controller tray.
To connect aterminal to the serial port of a controller:
1. Connect the6-pin mini-DIN connector of the serial cable to the serial portconnector on the controller (Controller Tray Port and Components (Back View)).
2. Connect theRJ-45 connector of the serial cable to the serial port connector on theterminal.
To SetUp the Terminal Emulation Program |
To set up aterminal emulation program to connect to the serial port:
1. Select VT100emulation.
2. Remove anymodem strings from the connection profile.
3. Set up theconnection profile with the following communication settings:
- Data Rate:38400
- Data Bits: 8
- Parity: None
- Stop Bits: 1
- FlowControl: None
ToEstablish a Connection With the Serial Port |
To establisha connection with the serial port and display the Service Interfacemenu:
1. Press Break.
Note- The array serial portrequires that the break character be received. Use the appropriateescape sequence for your terminal setup to send the required breakcharacter to the array controller, For example, you generate the Breakcharacter on some terminals by pressing the Control and Break keyssimultaneously. |
The serialport responds with a request to synchronize with the baud rate of theterminal:
Set baud rate: press <space> within 5seconds
2. Press thespace bar within five seconds.
The serialport confirms the established baud rate for the connection:
Baud rate set to 38400
3. Press Break(see Note above)
The serialport responds with the following message:
Press within 5 seconds: <S> for ServiceInterface, <BREAK> for baud rate
4. Press S toaccess the Service Interface menu.
Note- Send Break to synchronizethe serial port to a different terminal port rate (see Note above). |
The serialport requests the serial port password:
Enter Password to access Service Interface(60 sec timeout):
->
5. Type theserial port password, kra16wen,and press Enter.
The ServiceInterface menu is displayed.
Service Interface Main Menu 1) Display IP Configuration 2) Change IP Configuration 3) Reset Storage Array (SYMbol) Password Q) Quit Menu Enter Selection: |
ToConfigure the IP Addresses |
The serialport Service Interface menu enables you to set up the IP addressconfiguration for Ethernet port 1 on the controller.
Note- Ethernet port 2 is reservedfor future use. |
To set up theIP address configuration for Ethernet port 1 on each controller:
1. Select option 2, Change IP Configuration:
Service Interface Main Menu 1) Display IP Configuration 2) Change IP Configuration 3) Reset Storage Array (SYMbol) Password Q) Quit Menu Enter Selection: 2 |
The SelectEthernet Port menu is displayed.
2. Specify theEthernet port for which you want to configure IP addressing:
Select Ethernet Port 1) Ethernet Port: 1 2) Ethernet Port: 2 Q) Quit Enter Selection: 1 |
3. Specify thatyou do not want dynamic IP addressing, using a DHCP server, used forthis port:
The currentor default IP configuration for the selected Ethernet port isdisplayed.
4. Enter thestatic IP address and, optionally, a subnet mask for the Ethernet port:
Note- If you are not using DHCPIP addressing and have previously changed the gateway IP address, youmust also specify a gateway IP address for the Ethernet port. |
Press '.' to clear the field; Press '-' to return to the previous field; Press <ENTER> and then ^D to quit (KeepChanges) Current Configuration New Configuration IP Address if1 : 192.168.128.101 IP-address Subnet Mask if1 : 255.255.255.0 <ENTER> GatewayIP Address if1: <ENTER> |
5. Whenprompted, confirm the specified IP addressing.
The ServiceInterface menu is redisplayed.
6. Selectoption 1, Display IP Configuration, to confirm the IP address changes.
Service Interface Main Menu 1) Display IP Configuration 2) Change IP Configuration 3) Reset Storage Array (SYMbol) Password Q) Quit Menu Enter Selection: 1 |
The SelectEthernet Port menu is displayed.
7. Specify theEthernet port for which you want to display IP addressing:
Select Ethernet Port 1) Ethernet Port: 1 2) Ethernet Port: 2 Q) Quit Enter Selection: 1 |
The IPaddress configuration of the selected Ethernet port is displayed, andthe Service Interface menu is redisplayed.
8. Press Q toquit the Service Interface menu.
9. Repeat thesesteps for the second Ethernet port on the controller.
When you havecompleted the IP address configuration for the Ethernet ports on botharray controllers, see the Sun StorageTek CommonArray Manager Software Installation Guide for instructions onregistering and configuring the array.
Sun StorageTek 6140 Array Hardware Installation Guide | 819-7497-11 |
The external connector for a serial port can be either 9 pins or 25 pins. Originally, the primary use of a serial port was to connect a modem to your computer. The pin assignments reflect that. Let's take a closer look at what happens at each pin when a modem is connected.
9-pin connector:
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- Carrier Detect - Determines if the modem is connected to a working phone line.
- Receive Data - Computer receives information sent from the modem.
- Transmit Data - Computer sends information to the modem.
- Data Terminal Ready - Computer tells the modem that it is ready to talk.
- Signal Ground - Pin is grounded.
- Data Set Ready - Modem tells the computer that it is ready to talk.
- Request To Send - Computer asks the modem if it can send information.
- Clear To Send - Modem tells the computer that it can send information.
- Ring Indicator - Once a call has been placed, computer acknowledges signal (sent from modem) that a ring is detected.
25-pin connector:
- Not Used
- Transmit Data - Computer sends information to the modem.
- Receive Data - Computer receives information sent from the modem.
- Request To Send - Computer asks the modem if it can send information.
- Clear To Send - Modem tells the computer that it can send information.
- Data Set Ready - Modem tells the computer that it is ready to talk.
- Signal Ground - Pin is grounded.
- Received Line Signal Detector - Determines if the modem is connected to a working phone line.
- Not Used: Transmit Current Loop Return (+)
- Not Used
- Not Used: Transmit Current Loop Data (-)
- Not Used
- Not Used
- Not Used
- Not Used
- Not Used
- Not Used
- Not Used: Receive Current Loop Data (+)
- Not Used
- Data Terminal Ready - Computer tells the modem that it is ready to talk.
- Not Used
- Ring Indicator - Once a call has been placed, computer acknowledges signal (sent from modem) that a ring is detected.
- Not Used
- Not Used
- Not Used: Receive Current Loop Return (-)
Voltage sent over the pins can be in one of two states, On or Off. On (binary value '1') means that the pin is transmitting a signal between -3 and -25 volts, while Off (binary value '0') means that it is transmitting a signal between +3 and +25 volts...
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