VScaler: CIX Controller Node Preparation - Revision history

Jon at 15:48, 2 August 2016

2016-08-02T15:48:56Z

Jon: /* Set up SSH keys */

2016-07-29T22:10:53Z

Set up SSH keys

Jon at 11:38, 28 July 2016

2016-07-28T11:38:21Z

Jon: /* Configure the infiniband interface */

2016-07-28T11:25:52Z

Configure the infiniband interface

Jon: /* Configure the infiniband interface */

2016-07-28T09:05:34Z

Configure the infiniband interface

Jon: /* Update the /etc/hosts file */

2016-07-28T09:04:56Z

Update the /etc/hosts file

Jon at 09:04, 28 July 2016

2016-07-28T09:04:19Z

Jon: /* Set a hostname */

2016-07-28T08:59:01Z

Set a hostname

Jon: /* Configure the infiniband interface */

2016-07-28T08:57:17Z

Configure the infiniband interface

Jon: 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..."

2016-07-28T08:54:38Z

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..."

New page

== 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 ==
<syntaxhighlight>
[root@localhost ~]# hostnamectl set-hostname "head.cix.vscaler.cloud" --static
</syntaxhighlight>

== Configure the infiniband interface ==
* Create an '''<code>/etc/sysconfig/network-scripts/ib0</code>''' file with the following contents
<syntaxhighlight>
DEVICE=ib0
BOOTPROTO=static
IPADDR=172.20.0.1
NETMASK=255.255.0.0
ONBOOT=yes
</syntaxhighlight>

* Install '''ibutils''' and '''infiniband-diags'''
<syntaxhighlight>
[root@head ~]# yum -y install ibutils infiniband-diags
</syntaxhighlight>

* Stop and disable '''<code>NetworkManager</code>'''
<syntaxhighlight>
[root@head ~]# systemctl stop NetworkManager
[root@head ~]# systemctl disable NetworkManager
</syntaxhighlight>

* Bring up interface '''<code>ib0</code>'''
<syntaxhighlight>
[root@head ~]# ifup ib0
</syntaxhighlight>

== Update the /etc/hosts file ==
* It is necessary update the <code>/etc/hosts</code> file so that references to'''"controller"''' resolve to the local system
<syntaxhighlight>
[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
</syntaxhighlight>

@@ Line 38: / Line 38: @@
 * Install, start and enable '''<code>opensm</code>'''
 <syntaxhighlight>
-[root@head ~]# yum -y install opens
+[root@head ~]# yum -y install opensm
 [root@head ~]# systemctl start opensm
 [root@head ~]# systemctl enable opensm

@@ Line 36: / Line 36: @@
 </syntaxhighlight>
-* Install, start and enable '''<code>opens</code?'''
+* Install, start and enable '''<code>opensm</code>'''
 <syntaxhighlight>
 [root@head ~]# yum -y install opens

@@ Line 5: / Line 5: @@
 == Set a hostname ==
 <syntaxhighlight>
-[root@localhost ~]# hostnamectl set-hostname "head.cix.vscaler.cloud" --static
+[root@localhost ~]# hostnamectl set-hostname "controller01.cix.vscaler.cloud" --static
 [root@localhost ~]# hostname -f
-head.cix.vscaler.cloud
+controller01.cix.vscaler.cloud
 </syntaxhighlight>
@@ Line 104: / Line 104: @@
 ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
-.18.0.1  controller head
+.18.0.1  controller
 </syntaxhighlight>

@@ Line 11: / Line 11: @@
 == Configure the infiniband interface ==
-* Create an '''<code>/etc/sysconfig/network-scripts/ib0</code>''' file with the following contents
+* Create an '''<code>/etc/sysconfig/network-scripts/ifcfg-ib0</code>''' file with the following contents
 <syntaxhighlight>
 DEVICE=ib0

@@ Line 66: / Line 66: @@
 == Update the /etc/hosts file ==
-* It is necessary update the <code>/etc/hosts</code> file so that references to'''"controller"''' resolve to the local system
+* It is necessary update the <code>/etc/hosts</code> file so that references to '''"controller"''' resolve to the local system
 <syntaxhighlight>
 [root@head ~]# cat /etc/hosts

@@ Line 29: / Line 29: @@
 </syntaxhighlight>
-* Bring up interface '''<code>ib0</code>'''
+* Bring up interface '''ib0'''
 <syntaxhighlight>
 [root@head ~]# ifup ib0
 </syntaxhighlight>