RHCSA, RHCE, RHCSS, RHCVA, RHCDS, RHCA, OpenStack, OpenShift, Rancher, CloudStorage, CCNA, VMWARE

#################GlusterFS Demonstration############################# Introduction:- When you are Managing  a small or Medium network or an enterprise network for a large company the data storage is always a concern. It can be in terms of lack of disk space or inefficient backup solution. In that case GlusterFS is very useful tool. What is GlusterFS:- GlusterFS is an open source, clustered file system capable of scaling to several petabytes and handling thousands of clients. GlusterFS can be flexibly combined with commodity physical, virtual, and cloud resources to deliver highly available and performant enterprise storage at a fraction of the cost of traditional solutions. Setup for GlusterFS:- GlusterFS can be installed and used on any Linux distribution, Right now I am going to use Centos 6.4. Same process for other distribution only the installation process is different. In my setup I am using below configuration  or setup. Storage server:- Node1....

In the virtualization field, It's time to add an another virtualization layer to run Vm's into Vm's.  And that was very awaited project. and finally fulfilled  by oVirt 3.2  It's really A good achievement from Open source to create a great Cloud.  Here are the steps, How to enable nested Enterprise Virtualization with oVirt 3.2 Steps to enable Nested Virtualization in ovirt 3.2:-  1.  Obviously the first step is to install oVirt Engine 3.2 on Fedora 18 thru the official oVirt repositories. http://ovirt.org/releases/ovirt-release-fedora.noarch.rpm 2.  Then we add a Fedora 18 node here on this node install the vdsm daemon, joined by the vdsm-hook-nestedvt.noarch package which is actually the one that makes this little black magic trick work. 3.  Don't forget to enable the KVM nested virtualization. 4.  How to enable nested Virualization. # echo “options kvm-intel nested=1 “/etc/modprobe.d/kvm-intel.conf ...