a couple comments in-line
----- Original Message -----> From: "David Spisla" <david.spisla at iternity.com>
>
>
>
> 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)
???
You can't just make them up. In your case you must get them from somewhere
in AWS so that you don't have a conflict with other AWS users.
("Virtual" is a bad name. They're real IPs, and they are managed
by pacemaker.)
>
> 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
You only need to create the ganesha-ha.conf (note the '-') once, on one
host, namely the same host you issue the gluster commands. Gluster will
propagate it to the other nodes in the cluster.
>
>
>
> 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
>
> www.iTernity.com
>
> Tel: +49 761-590 34 841
>
>
>
>
>
>
>
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