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IBM BladeCenter Configuration
Set the boot order of the blades
The blades need to be configured to attempt to boot from the network before booting from the hard drive.
- Log in the the BladeCenter Advanced Management Module
- Select Blade Tasks > Configuration
- Select the Boot Sequence tab:
- Click on one of the blade names
- Change the boot order so that Network precedes Hard drive 0:
- Select the Apply to all blades checkbox
- Click Save
Configure SNMPv3
- Select Login Profiles
- Select a login ID that is not used
- Enter a Login ID and password
- Under role, select Supervisor
- Click Save
- Click the user which was just created
- Scroll to the bottom and click Configure SNMPv3 User
- Enter the username and password of the user and set the rest of the fields as follows (replace 0.0.0.0 with the management node's control network IP address for security):
- Click Save
Install xCAT
On the VCL management node:
Download the xCAT yum repository files
wget -N -P /etc/yum.repos.d http://sourceforge.net/projects/xcat/files/yum/xcat-dep/rh6/x86_64/xCAT-dep.repo wget -N -P /etc/yum.repos.d http://sourceforge.net/projects/xcat/files/yum/2.8/xcat-core/xCAT-core.repo |
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Install xCAT
| yum clean all yum install -y xCAT |
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Configure the xCAT site table
Set the "master" and "nameservers" keys in the site table to point to the xCAT management node's private IP address:
...
| chtab key=dhcpinterfaces site.value=ethX |
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Configure the xCAT networks table
Disable all networks detected by xCAT except the private network so that xCAT does not attempt to add unwanted information to DHCP or other services. First, dump the contents of the networks table to determine the network names created by xCAT:
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chtab netname=<netname> networks.disable=1 |
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Configure the blade node group
Set the nodehm table to use blade control methods:
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chtab node=blade noderes.xcatmaster=x.x.x.x chtab node=blade noderes.tftpserver=x.x.x.x chtab node=blade noderes.nfsserver=x.x.x.x |
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Configure the xCAT passwd table
Set the username and password for the blade key to the credentials used to log in to the Advanced Management Module:
...
| chtab key=system passwd.username=root passwd.password=<linuxpassword> |
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Add a node to xCAT for each chassis Advanced Management Module
nodeadd bcamm-X groups=mm nodeadd bcamm-Y groups=mm |
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Add a node to xCAT for every blade controlled by the management node
nodeadd vcl-X-1..vcl-X-14 groups=all,blade,compute nodeadd vcl-Y-1..vcl-Y-14 groups=all,blade,compute |
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...
chtab node=bcamm-X hosts.ip=<x.x.x.x> chtab node=vcl-X-1 hosts.ip=<x.x.x.x> ... chtab node=vcl-Y-14 hosts.ip=<x.x.x.x> |
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Create the /etc/hosts file
| makehosts -n |
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Retrieve MAC address for each blade
| getmacs blade -i eth0 |
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Initialize DHCP and create a definition for each blade
makedhcp -n chkconfig dhcpd on makedhcp blade |
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Download a CentOS ISO image
| wget -N -P /install/software http://ftp.linux.ncsu.edu/pub/CentOS/6/isos/x86_64/CentOS-6.5-x86_64-bin-DVD1.iso |
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Import the CentOS image into the xCAT install tree
| copycds /install/software/CentOS-6.5-x86_64-bin-DVD1.iso |
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Configure the blades to install the CentOS using xCAT's stock "compute" template
| chdef blade os=centos6.5 arch=x86_64 profile=compute |
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Set the blades to install the image on the next reboot
| nodeset blade install |
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Power cycle each blade
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