"VCS ERROR V-16-10011-3207 Address already exists error " reported when trying to online IP resource in VCS

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Article ID: 100001481

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Description

Error Message

VCS ERROR V-16-10011-3207 IP::online:Address already exists: Resource will not go ONLINE

Cause

In VCS, the online of IP resources will fail to start with the above error if the IP address is already plumbed and pingable on the network.

IP addresses that are controlled by VCS should not be manually plumbed on any host.

This issue can also be seen in the below scenarios as well.
 
1) In the case of split-brain situations, wherein resources are tried to online on multiple nodes in the cluster, we see
the above error message.
 
2) When a cluster is using SCSI3 fencing for split brain situations, we also see
the above error message when there is a delay in panic by node who lost the race for co-ordinator disks.
 
 

Resolution

To fix the issue, find the system where the IP address is plumbed and unplumb it manually.
 
Then clear the fault and online the resource or service group in the cluster.
 
#hagrp -clear IP_resource_SG
 
#hagrp -online IP_resource_SG -sys sysname
 
For situations of delay in node panic, when losing a fencing race, we can increase OnlineRetryLimit for VCS to retry the IP resources online.
 
#haconf -makerw
 
#hatype -modify IP OnlineRetryLimit 3
 
#haconf -dump -makero
 
 
 

 

Issue/Introduction

When attempting an online for an IP resource in Veritas Cluster Server (VCS) the resource faults with an error.
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