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vcs

VCS cluster 6.2 LAB with working I/O fencing : The setup

by admin

In one of my older posts I have configured VCS cluster home lab. The setup works fine but without I/O fencing configured. The setup configured in this series of posts has a working I/O fencing. The difference being the use of a different software iSCSI software – Open-E DSS V7 lite version. The other software […]

Filed Under: VCS Tagged With: vcs, vcs cluster lab

VCS cluster 5.1 LAB using VMware workstation : Installing VCS

by admin

Now comes the last step in this series to create a VCS LAB. We need to copy the installation media to one of the VMs. We would use shared folder feature of VMware workstation to copy the install media into the node geek01. To enable sharing goto VM > Settings . On the options tab […]

Filed Under: VCS Tagged With: Solaris, vcs

VCS cluster 5.1 LAB using VMware workstation : Configuring openfiler

by admin

In the last post we have installed the openfiler virtual machine. Let us now configure the openfiler to assign iscsi LUNs to the two solaris 10 virtual machines. Login to the web interface using below credentials Management Interface: https://10.10.10.10:446 Administrator Username: openfiler Administrator Password: password Enabling iSCSI services and adding network Access configuration First step […]

Filed Under: VCS Tagged With: Solaris, vcs

VCS cluster 5.1 LAB using VMware workstation : Installing openfiler

by admin

To configure a shared storage for this setup we’ll be using openfiler. We need to create an openfiler VM with 512 MB RAM and 3 Disks of 500 MB for I/O fencing. Also to install the openfiler OS we need a 10GB HDD. Click on the create new virtual machine icon from home screen to […]

Filed Under: VCS Tagged With: Solaris, vcs

VCS cluster 5.1 LAB using VMware workstation : Installing solaris

by admin

In the last part we went through the overall setup for this home LAB. Lets now dive into installing the two solaris virtual machines. Before we start creating the virtual machines, we need to setup the 2 networks (one for connecting the VMs from outside and one for openfiler storage). 192.168.1.0/255.255.255.0 – Connecting the VMs […]

Filed Under: VCS Tagged With: Solaris, vcs

VCS cluster 5.1 LAB using VMware workstation : The Setup

by admin

I always wanted to have my own VCS cluster LAB where I could do my RnD. Which is generally not possible in the production setup (off course !). So I decided to build this awesome home LAB with VMWare workstation on my laptop. Note : The software iSCSI software used for this setup does not […]

Filed Under: VCS Tagged With: Solaris, vcs

How to add/remove Low/High priority LLT links in VCS online

by admin

It’s sometimes a requirement to add a new high or low priority link to the existing LLT links. This can be done online without affecting any of the cluster services. There are 2 ways to do the same online (without offlining any service group). 1. Method 1 (using lltconfig) 2. Method 2 (editing /etc/llttab and […]

Filed Under: VCS Tagged With: llt, low priority link, reconfiguring llt, vcs

How to add a node to an active VCS cluster

by admin

There might be a requirement to add a new node to an existing VCS cluster to increase the cluster capacity. Another situation in which there is a need to add a new node is hardware upgrade of the nodes. In this post, we will be adding 3rd node (node03) to the existing 2 node cluster. […]

Filed Under: VCS Tagged With: GAB, llt, vcs

How to remove a node from an active VCS cluster

by admin

There might be situations when you want to remove a node from cluster. We can do this online without interrupting the cluster services. For this you should have sufficient resources to handle the load of the node which you are going to remove from the cluster. We will be removing node03 with service group SG03 […]

Filed Under: VCS Tagged With: GAB, llt, vcs

How to configure VCS I/O fencing – Command line and installer utility

by admin

I/O fencing is one of the very important feature of VCS and provides user the data integrity required. Let us now see how we can configure fencing in a VCS setup. This setup assumes that you already have a VCS setup up and running without fencing. Fencing can be configured in 2 ways – By […]

Filed Under: VCS Tagged With: I/O fencing, SCSI3 PGR, vcs

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