[Gluster-users] HA with nfs-ganesha and Virtual IP

[David Spisla]

Hello,

I have two ec2-instances with CentOS and I want to create a cluster infrastructure with nfs-ganesha, pacamaker and corosnyc. I read different instructions but in some points I am not really sure how to do.
At the moment my configuration is not running. The system says:

Enabling NFS-Ganesha requires Gluster-NFS to be disabled across the trusted pool. Do you still want to continue?
(y/n) y
This will take a few minutes to complete. Please wait ..
nfs-ganesha : success

But nothing happen. Ganesha is not starting. I think there is a problem with my ganesha-ha.conf file.


1.      What about that Virtual IPs? How I can create them (maybe /etc/hosts) ???

2.      Should I use always use the same ganesha.ha.conf file on all nodes or should I change entries. You can see as follows my two ganesha.ha.conf files

First ec2-instance:
# Name of the HA cluster created.
# must be unique within the subnet
HA_NAME="ganesha-ha-360"
#
# The gluster server from which to mount the shared data volume.
HA_VOL_SERVER="ec2-52-209-xxx-xxx.eu-west-1.compute.amazonaws.com"
#
# N.B. you may use short names or long names; you may not use IP addrs.
# Once you select one, stay with it as it will be mildly unpleasant to
# clean up if you switch later on. Ensure that all names - short and/or
# long - are in DNS or /etc/hosts on all machines in the cluster.
#
# The subset of nodes of the Gluster Trusted Pool that form the ganesha
# HA cluster. Hostname is specified.
HA_CLUSTER_NODES="ec2-52-209-xxx-xxx.eu-west-1.compute.amazonaws.com,ec2-52-18-xxx-xxx.eu-west-1.compute.amazonaws.com"
#HA_CLUSTER_NODES="server1.lab.redhat.com,server2.lab.redhat.com,..."
#
# Virtual IPs for each of the nodes specified above.
VIP_ec2-52-209-xxx-xxx.eu-west-1.compute.amazonaws.com="10.0.2.1"
VIP_ec2-52-18-xxx-xxx.eu-west-1.compute.amazonaws.com="10.0.2.2"
#VIP_server1_lab_redhat_com="10.0.2.1"
#VIP_server2_lab_redhat_com="10.0.2.2"

Second ec2-instance:
# Name of the HA cluster created.
# must be unique within the subnet
HA_NAME="ganesha-ha-360"
#
# The gluster server from which to mount the shared data volume.
HA_VOL_SERVER="ec2-52-18-xxx-xxx.eu-west-1.compute.amazonaws.com"
#
# N.B. you may use short names or long names; you may not use IP addrs.
# Once you select one, stay with it as it will be mildly unpleasant to
# clean up if you switch later on. Ensure that all names - short and/or
# long - are in DNS or /etc/hosts on all machines in the cluster.
#
# The subset of nodes of the Gluster Trusted Pool that form the ganesha
# HA cluster. Hostname is specified.
HA_CLUSTER_NODES="ec2-52-18-xxx-xxx.eu-west-1.compute.amazonaws.com,ec2-52-209-xxx-xxx.eu-west-1.compute.amazonaws.com"
#HA_CLUSTER_NODES="server1.lab.redhat.com,server2.lab.redhat.com,..."
#
# Virtual IPs for each of the nodes specified above.
VIP_ec2-52-209-xxx-xxx.eu-west-1.compute.amazonaws.com="10.0.2.1"
VIP_ec2-52-18-xxx-xxx.eu-west-1.compute.amazonaws.com="10.0.2.2"
#VIP_server1_lab_redhat_com="10.0.2.1"
#VIP_server2_lab_redhat_com="10.0.2.2"

Thank you for your attention



David Spisla
Software Developer
david.spisla at iTernity.com<mailto:david.spisla at iTernity.com>
www.iTernity.com<http://www.iternity.com/>
Tel:       +49 761-590 34 841

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