Difference between revisions of "VScaler: CIX Controller Node Preparation"

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(Created page with "== Base OS Installation == * Base installation of '''CentOS 7.2''' was performed from our PXE server (pxe.boston.co.uk) * Nothing more than a vanilla installation == Set a ho...")
 
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* Bring up interface '''<code>ib0</code>'''
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* Bring up interface '''ib0'''
 
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[root@head ~]# ifup ib0
 
[root@head ~]# ifup ib0
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* Install, start and enable '''<code>opens</code?'''
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[root@head ~]# yum -y install opens
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[root@head ~]# systemctl start opensm
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[root@head ~]# systemctl enable opensm
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* Check the IB link is up and showing 20Gb/s
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[root@head ~]# ibstat
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CA 'mthca0'
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CA type: MT25204
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Number of ports: 1
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Firmware version: 1.2.0
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Hardware version: a0
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Node GUID: 0x0030487f354a0000
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System image GUID: 0x0030487f354a0003
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Port 1:
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State: Initializing
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Physical state: LinkUp
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Rate: 20
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Base lid: 0
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LMC: 0
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SM lid: 0
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Capability mask: 0x02590a68
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Port GUID: 0x0030487f354a0001
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Link layer: InfiniBand
 
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Revision as of 08:57, 28 July 2016

Base OS Installation

  • Base installation of CentOS 7.2 was performed from our PXE server (pxe.boston.co.uk)
  • Nothing more than a vanilla installation

Set a hostname

[root@localhost ~]# hostnamectl set-hostname "head.cix.vscaler.cloud" --static

Configure the infiniband interface

  • Create an /etc/sysconfig/network-scripts/ib0 file with the following contents
DEVICE=ib0
BOOTPROTO=static
IPADDR=172.20.0.1
NETMASK=255.255.0.0
ONBOOT=yes
  • Install ibutils and infiniband-diags
[root@head ~]# yum -y install ibutils infiniband-diags
  • Stop and disable NetworkManager
[root@head ~]# systemctl stop NetworkManager
[root@head ~]# systemctl disable NetworkManager
  • Bring up interface ib0
[root@head ~]# ifup ib0
  • Install, start and enable opens</code?
[root@head ~]# yum -y install opens
[root@head ~]# systemctl start opensm
[root@head ~]# systemctl enable opensm
  • Check the IB link is up and showing 20Gb/s
[root@head ~]# ibstat
CA 'mthca0'
	CA type: MT25204
	Number of ports: 1
	Firmware version: 1.2.0
	Hardware version: a0
	Node GUID: 0x0030487f354a0000
	System image GUID: 0x0030487f354a0003
	Port 1:
		State: Initializing
		Physical state: LinkUp
		Rate: 20
		Base lid: 0
		LMC: 0
		SM lid: 0
		Capability mask: 0x02590a68
		Port GUID: 0x0030487f354a0001
		Link layer: InfiniBand

Update the /etc/hosts file

  • It is necessary update the /etc/hosts file so that references to"controller" resolve to the local system
[root@head ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

172.18.0.1  controller head
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