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title: VCL 2.3 - Further steps if using xCAT

Once you have added at least one computer, you can add more computers by going to Manage Computers->Edit Computer Information and clicking Add Single Computer or Add Multiple Computers".

Adding Individual Computers

1. Click Manage Computers
2. Select the Add Single Computer radio button
3. Click Submit
4. Fill in the following:
5. • Hostname
6. • Type - blade
7. • Public IP Address
8. • Private IP Address (optional)
9. • Public MAC Address (optional)
10. • Private MAC Address (optional)
11. • Provisioning Engine - xCAT 2.x
12. • State - available (or maintenance if you do not want it to be immediately available)
13. • Owner - admin@Local
14. • RAM
15. • No. Cores
16. • Processor Speed
17. • Network Speed
18. • Physical Location (optional)
19. • Click the checkboxs under allComputers and newimages
20. Click Confirm Computer
21. Click Submit {info}The computer you just added isn't listed after clicking Submit. This is not a problem.{info}

Adding Multiple Computers

1. Click Manage Computers
2. Select the Add Multiple Computers radio button
3. Click Submit
4. Fill in the following:
5. • Hostname - the hostnames of all the computers must have a numerical part that is sequential, use a % as a placeholder where that part would be
6. • Start value - the first number of the numerical part of the hostname
7. • End value - the last number of the numerical part of the hostname
8. • Type - blade
9. • Start Public IP Address - if using static public addresses, the IP addresses must be sequential; enter the first address here; if using DHCP, just enter something like 1.1.1.1
10. • End Public IP address - the last IP address of the sequence; if using DHCP, you'll need to enter something that would work out to the last address relative to Start Public IP Address (i.e. if adding 3 computers, use 1.1.1.1 for start and 1.1.1.3 for end)
11. • Start Private IP Address (optional) - the IP addresses must be sequential; enter the first private address here
12. • End Private IP Address (optional) - the last IP address of the sequence
13. • Start MAC Address (optional) - if MAC addresses are sequential, with the first one being the private MAC address for the first computer, the second one being the public MAC address for the first computer, the third one being the private MAC address of the second computer, etc, you can enter the first one here and then have the option of downloading data to add to your dhcpd.conf file from the Computer Utilities page
14. • Provisioning Engine - xCAT 2.x
15. • State - available (or maintenance if you do not want them to be immediately available)
16. • Owner - owner of the computer
17. • RAM
18. • Processor Speed
19. • Network Speed
20. • Click the checkboxs under allComputers and newimages
21. Click Confirm Computers
22. Click Submit {info}The computer you just added isn't listed after clicking Submit. This is not a problem.{info}

Add entries to /etc/hosts

You need to add entries for your nodes to /etc/hosts

1. Click Manage Computers
2. Select the allComputers group in the list at the top
3. Select the Computer Utilities radio button
4. Click Submit
5. Click the Check All link at the bottom of the table
6. Next to For selected computers, generate computer data for, select /etc/hosts
7. Click Generate Data
8. Copy/Paste the data to your /etc/hosts file
9. Click Close