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update bonding configuration instructions

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This commit is contained in:
Mark Gurevich
2017-02-22 16:29:34 -05:00
parent 9fde29f836
commit 34908bb59a
1 changed files with 17 additions and 3 deletions
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20
docs/source/guides/admin-guides/manage_clusters/common/deployment/cfg_network.rst
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@@ -19,6 +19,8 @@ The following example set the xCAT properties for compute node ``cn1`` to achiev
Define attributes in the ``nics`` table
---------------------------------------
Chose one of three methods described below:
#. Using the ``mkdef`` or ``chdef`` commands
a. Compute node ``cn1`` has two physical NICs: ``eth2`` and ``eth3`` ::
@@ -30,7 +32,7 @@ Define attributes in the ``nics`` table
chdef cn1 nictypes.bond0=bond \
nicdevices.bond0="eth2|eth3"
c. Fom ``bond0``, create 2 VLANs: ``bond0.1`` and ``bond0.2`` ::
c. From ``bond0``, create 2 VLANs: ``bond0.1`` and ``bond0.2`` ::
chdef cn1 nictypes.bond0.1=vlan \
nictypes.bond0.2=vlan \
@@ -102,6 +104,11 @@ Use the ``chdef`` command to add/modify the networks in the ``networks`` table :
chdef -t network net10 net=10.0.0.0 mask=255.0.0.0 mgtifname=eth0
chdef -t network net20 net=20.0.0.0 mask=255.0.0.0 mgtifname=eth1
For bonding add ::
chdef -t network net40 net=20.0.0.0 mask=255.0.0.0 mgtifname=eth1
chdef cn1 nicnetworks.bond0=net40
Add ``confignetwork`` into the node's postscripts list
------------------------------------------------------
@@ -110,12 +117,19 @@ Using below command to add ``confignetwork`` into the node's postscripts list ::
chdef cn1 -p postscripts=confignetwork
During OS deployment on compute node, ``confignetwork`` will be run in postscript.
If the compute node has OS, use ``updatenode`` command to run ``confignetwork`` ::
During OS deployment on compute node, ``confignetwork`` postscript will be executed.
If the compute node is already running, use ``updatenode`` command to run ``confignetwork`` postscript without rebooting the node::
updatenode cn1 -P confignetwork
Verify bonding mode
-------------------
Login to compute node and check bonding options in ``/etc/sysconfig/network-scripts/ifcfg-bond0`` file ::
BONDING_OPTS="mode=802.3ad xmit_hash_policy=layer2+3"
The ``mode=802.3ad`` requires additional configuration on the switch. ``mode=2`` can be used for bonding without additional switch configuration. If changes are made to ``/etc/sysconfig/network-scripts/ifcfg-bond0`` file, restart network service ::
systemctl restart network.service