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  xCAT deployment
     
  Add Date : 2018-11-21      
         
         
         
  First, we assume that the two xCAT machines, machine name and ip address are as follows

xcat master
    hostname: xcat
    ip: 192.168.31.102
xcat node
    hostname: xcat1
    ip: 192.168.31.251

Specific steps are as follows:

1. Create a local operating system installation files

chtab key = master site.value = '< host ip>' copycds -n CentOS5.11 -a x86_64 CentOS-5.11-x86_64-bin-DVD-1of2.iso CentOS-5.11-x86_64-bin-DVD-2of2.iso
copycds -n centos6.6 -a x86_64 CentOS-6.6-x86_64-bin-DVD1.iso CentOS-6.6-x86_64-bin-DVD2.iso

2. Configure the master property

chtab key = master site.value = ''

3. Configure the password, you can use the "tabdump passwd" View

chtab key = system passwd.username = root passwd.password = Letmein

4. Configuration node

nodeadd xcat1 \
    groups = compute, all \
    mac.interface = eth0 \
    mac.mac = 08: 00: 27: 2C: 30: 8C \
    hosts.ip = 192.168.31.251 \
    noderes.netboot = pxe \
    noderes.xcatmaster = 192.168.31.102 \
    noderes.installnic = eth0 \
    noderes.primarynic = eth0 \
    noderes.nfsserver = 192.168.31.102 \
    nodetype.os = centos6.6 \
    nodetype.arch = x86_64 \
    nodetype.profile = compute \
    nodetype.nodetype = osi

After completion you can use the following command to view a variety of information

tabdump nodelist
tabdump nodetype
tabdump noderes
tabdump mac
tabdump hosts

5. Configure host

makehosts

After configuring the / etc / hosts file contents as follows

127.0.0.1 localhost
192.168.31.102 xcat
192.168.31.251 xcat1

6. Configure DHCP

makedhcp -n

After you configure in my environment dhcpd start there will be problems, so I did the following modifications

* Delete the following lines in the file /etc/dhcp/dhcpd.conf
    zone. {
  primary NORESOLUTION; key xcat_key;
 }
zone 31.168.192.IN-ADDR.ARPA. {
  primary NORESOLUTION; key xcat_key;
 }
* Edit /etc/init.d/dhcpd file,

 

user = dhcpd
group = dhcpd
To
user = root
group = root

Then restart dhcpd service

/etc/init.d/dhcpd restart

7. Set Deployment System

nodeset xcat1 install

You can now see something like the following output, indicating that the machine will be installed xcat1 centos6.6-x86_64-compute

xcat1: install centos6.6-x86_64-compute

If we need to modify the installation of the system can use the following command to modify the

chtab node = xcat1 \
    nodetype.os = centos5.11 \
    nodetype.arch = x86_64 \
    nodetype.profile = compute \
    nodetype.nodetype = osi
nodeset xcat1 install

At this point you can see xcat1 machine will install centos5.11-x86_64-compute

xcat1: install centos5.11-x86_64-compute

8. The use of the virtual machine to do the test, no IPMI functionality, so we can only be started manually xcat1 machine, then you will find xcat1 entered automatically install the system.
     
         
         
         
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