Use the procedures in this chapter to add a new node to your existing ServerNet SAN-interconnected cluster or to re-initialize a node that was previously a member of the ServerNet-interconnected cluster. You may need to re-initialize a node to change that node's configuration. You can also use this procedure to replace a failed node. You cannot add a node to an Ethernet-interconnected cluster
Prepare carefully and familiarize yourself with these procedures before you begin.
Use the following information to add a node to an existing ServerNet-interconnected cluster:
For administrative information regarding your cluster, see the SCO UnixWare 7 NonStop Clusters System Administrator's Guide.
Before you add a node to a ServerNet-interconnected cluster, be sure that:
You can use this procedure to add a new node to the ServerNet-interconnected cluster or to bring a down node back into the cluster. Do not use this procedure to set up a node as the failover root node.
NOTE: Before you add a node to your ServerNet-interconnected cluster, be sure that the initial installation node is running and that power to the node you want to add is turned off.
The dependent boot node diskettes allow you to add nodes to a ServerNet-interconnected cluster. If you have not remade these diskettes since the last time your kernel was rebuilt (or if you are not sure that you have), remake them now. To make the dependent node boot diskettes, perform the following steps:
format /dev/rdsk/f03ht
dependent node diskette 1
.
Label another dependent node diskette 2
.
dependent node diskette 1
into the diskette drive, and enter the following command:
make_floppy diskette1
dependent node diskette 1
with dependent node diskette 2
and press the
Enter key.
Be sure that the root node is up and running and that power to the node you want to add is turned off. Use the following procedures to add a node to the ServerNet-interconnected cluster:
If you receive any errors when performing the following procedures, stop and start over. If the error persists, contact your service representative.
dependent node diskette 1
into the
diskette drive of the node to be added.
dependent node
diskette 1
.
dependent node diskette 1
with dependent node diskette 2
and press the
Enter key.
If you have not already entered the node's UnixWare and NonStop Clusters
license information, a prompt appears asking if you want to enter that
information. Perform the following steps to enter that information (or
answer no
to the prompt if you have entered
the information):
yes
to the prompt. The License
Manager screen will appear.
License-->Add
.
Add License
dialog box, enter
this node's UnixWare 7 Release 7.1.1 license number and code.
License
button within
the dialog box and enter the license data and node number in the appropriate
fields.
License
button again and select
OK
.
Host
->Exit
.
NOTE: If you are installing the failover root node for a ServerNet-interconnected cluster that will use cross-node mirroring for root filesystem failover, the dependent node boot diskette software initializes the new node's internal disk automatically, and then mirrors the root filesystem to that drive. Mirroring can take considerable time, depending on the size of your root filesystem.
After you have entered license information, the setup program displays the node disk setup screens. Perform the following steps:
Disk 1
.
Automatic configuration
.
Apply changes to hard disk(s)
.
Apply changes and exit
.
After the setup program sets up the dependent node's hard disk, it prompts you to set up network information for the node.
You can configure network information at a later time by running the
Network Configuration Manager manually with the
scoadmin(1M)
utility.
Perform the following steps to configure the node's network information:
yes
at the Do you
want to enter network information
prompt. A popup window appears,
containing a list of the network interface controllers (NICs) installed
in this node.
Add new LAN
adapter
. The Add new LAN adapter
window
appears.
Continue
. The Network
Driver Configuration
window appears.
OK
. The Add
protocol
window appears.
TCP/IP
and then click the
Add
button. At this point, the setup program
calls the Network Configuration Manager, which displays the
Internet Protocol Configuration
window.
OK
. A popup window displays a
successful completion message.
OK
to return to the setup program's
main networking window.
Hardware
menu item, select
Exit
.
The dependent node setup program displays a number of messages while it installs the SCO UnixWare 7 NonStop Clusters software on the node. When it finishes installing the software, if the node you installed is a failover root node, the program prompts you to reboot the cluster; otherwise, it prompts you to reboot the node. Before you reboot, remove any diskettes from the diskette drive and any CD-ROMs from the CD-ROM drive.