Configure VIOS SEA w. load sharing Post: 302680005

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Operating Systems AIX Configure VIOS SEA w. load sharing Post 302680005 by bakunin on Wednesday 1st of August 2012 05:08:05 AM

08-01-2012

Registered User

[Solved] Configure VIOS SEA w. load sharing

I am trying to install a VIOS pair with a load-sharing SEA adapter, following this recipe from Developerworks. Without load-sharing everything went fine and worked as expected, but somehow i am a bit lost and the first tries with "ha_mode=sharing" didn't work at all.

Here is the situation:

I have one VIOS pair and in each VIOS i have one SEA contructed from 2 physical Ethernet Adapters (10G-Ethernet). The adapters (ent0 and ent1) as well as the SEA (ent2) work testedly well, as did the control-channel.

From the "outside" i have several VLAN IDs, "internal" i have only one (which might change, we build the machine right now).

What i tried to achieve was to have the SEA of the second VIOS share the load instead of having an idle stand-by. I wanted to base the load-sharing on the external VLAN IDs (VIOS 1 serving ext. VLANs A, C, E, ... and VIOS 2 serving ext. VLANs B, D, F, ...). For this i created one virtual adapter for each external VLAN on the SEA and tried to switch on load-sharing, but got no communication.

I suspect that i somehow missed the proper VLAN layout and confused internal and external VLANs somehow in my HMC definitions. Maybe someone has already done that and can shed some light on this. Some step-by-step how-to would be appreciated.

Another question is: how do i create additional internal VLANs and put them on this setup? Right now there is no need for additional VLANs but this requirement might well change over time.

Thanks for your help.

bakunin

bakunin

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dfstab

dfstab(4)							   File Formats 							 dfstab(4)

NAME

       dfstab - file containing commands for sharing resources across a network

DESCRIPTION

       dfstab  resides	in  directory /etc/dfs and contains commands for sharing resources across a network. dfstab gives a system administrator a
       uniform method of controlling the automatic sharing of local resources.

       Each line of the dfstab file consists of a share(1M) command. The dfstab file can be read by the  shell	to  share  all	resources.  System
       administrators can also prepare their own shell scripts to execute particular lines from dfstab.

       The contents of dfstab put into effect when the command shown below is run. See svcadm(1M).

	 /usr/sbin/svcadm enable network/nfs/server

SEE ALSO

       share(1M), shareall(1M), sharemgr(1M), svcadm(1M)

NOTES

       Do  not modify this file directly. This file is reconstructed and only maintained for backwards compatibility. Configuration lines could be
       lost.

       Use the sharemgr(1M) command for all share management.

SunOS 5.11							    15 Aug 2008 							 dfstab(4)