What is Oracle VM cluster?
OCFS2 is a cluster file system developed by Oracle for Linux, which allows multiple nodes (Oracle VM Servers) to access the same disk at the same time. OCFS2, which provides both performance and HA, is used in many applications that are cluster-aware or that have a need for shared file system facilities.
How do I cluster a virtual machine?
- Create the First Node for a Cluster of Physical and Virtual Machines.
- Create the Second Node for a Cluster of Physical and Virtual Machines.
- Add Hard Disks to the Second Node for a Cluster of Physical and Virtual Machines.
- Install Microsoft Cluster Service.
- Create Additional Physical-Virtual Pairs.
How does a VM cluster work?
Virtual machine clusters work by protecting the physical machine from any hardware and software failures. When a physical node fails, the virtual machine can access another node, with no time lag. And thus, virtual machine clustering provides a dynamic backup processes.
What is the difference between Oracle VM and VirtualBox?
Oracle VM VirtualBox is a user and developer-friendly desktop virtualization technology ideal for creating and testing applications, and Oracle VM Server is a robust server virtualization technology for running enterprise applications. Together, the two are a highly effective combination.
Is OVM a hypervisor?
OLVM is built on the proven technology of the open source oVirt Project and uses a kernel-based Virtual Machine environment (KVM) as hypervisor.
What is a virtual cluster?
Virtual clusters are isolated environments that run within a physical Kubernetes cluster, similar to how VMs run in a virtual system. Virtual clusters offer similar benefits of Kubernetes clusters and also reign in the costs and complexities that come with multiple deployments.
What is virtual clustering why is it required?
Virtual cluster cannot only be used to expand the capacity of routers on the live network and increase their forwarding capacity. It can also be used to replace the traditional two-node cluster protection, thereby greatly simplifying network design, in turn reducing network O&M manpower and costs.
Is Oracle VM a hypervisor?
A well-known example of a hosted hypervisor is Oracle VM VirtualBox. Others include VMware Server and Workstation, Microsoft Virtual PC, KVM, QEMU and Parallels.
Should I use VirtualBox or VMware?
Honestly, many users are split between these two products, and a large portion of it comes down to preference. VMWare Player is seen as having a better drag-and-drop between host and VM, yet VirtualBox offers you an unlimited number of snapshots (something that only comes in VMWare Workstation Pro).
What type of hypervisor is Oracle VM?
hosted hypervisor
A well-known example of a hosted hypervisor is Oracle VM VirtualBox. Others include VMware Server and Workstation, Microsoft Virtual PC, KVM, QEMU and Parallels.
How do I view information about an existing VM cluster?
To view information about existing VM clusters: Open the My Services dashboard. For detailed instructions, see Accessing the My Services Dashboard and the Oracle Database Cloud Service Console . Click the action menu () in the tile that is associated with Exadata Cloud at Customer and then choose View Details .
How much local disk storage can be allocated to VM clusters?
Consequently, the minimum amount of local disk storage consumed by a VM cluster is 197 GB (137 GB + 60 GB). For Exadata Cloud at Customer configurations based on Oracle Exadata X7 systems, the total amount of local disk storage that can be allocated to VM clusters is 1237 GB.
How do I create a cluster for a service instance?
Locate your service instance in the list. Click the action menu () located beside the service instance name and choose Manage Clusters . The cluster administration page is displayed. In the cluster administration page, click Create VM Cluster . The Create VM Cluster dialog is displayed.
What is the discover servers feature in Oracle VM manager?
Oracle VM Manager has a Discover Servers feature that makes it easy to bring the available servers into a default “unassigned” server pool where you can then manage them from within Oracle VM Manager. The servers must have already been assigned an IP address on the same network as Oracle VM Manager.