Virtualization backup and disaster recovery strategies Definitions

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  • C

    Cluster Labs Pacemaker

    Pacemaker is an open source high-availability cluster software developed from a collaboration between Red Hat and Novell.

  • H

    HP Virtual Server Environment (HP VSE)

    The HP Virtual Server Environment (HP VSE) is a server virtualization product developed by Hewlett-Packard (HP) to optimize resource utilization in their HP Integrity and HP 9000 servers... (Continued)

  • L

    linked clones

    Linked clones are copies of virtual machines that share virtual disks with the parent VM, which conserves space and allows multiple VMs to use the same software.

  • M

    memory mirroring

    Memory mirroring is the division of memory on a server into two channels. The first channel is mirrored to the second channel, creating a redundant copy of memory.

  • N

    Network Load Balancing (NLB)

    Network Load Balancing is a Windows Server feature that can distribute network traffic among multiple servers.

  • NTBackup (Microsoft Windows NT backup)

    NTBackup is a built-in backup application introduced with Microsoft Windows NT.

  • R

    Red Hat Storage (RHS)

    Red Hat Storage is a new distributed file system based on the Gluster file system.

  • S

    stretched cluster

    A stretched cluster is a deployment model in which two or more virtualization host servers are part of the same logical cluster but located in separate geographical locations.

  • V

    virtual storage appliance (VSA)

    A virtual storage appliance (VSA) is a storage controller that runs on a virtual machine(VM) to create shared storage without the cost of additional hardware. 

  • VMware vSphere Metro Storage Cluster (VMware vMSC)

    VMware vSphere Metro Storage Cluster (VMware vMSC) is a configuration option, introduced in vSphere 5, that allows for the use of stretched clusters that are spread across geographical locations.

  • VMware vSphere Site Recovery Manager (SRM)

    VMware vSphere Site Recovery Manager (SRM) is a disaster recovery management product from VMware that provides automated failover and disaster recovery testing.

  • VSMP (virtual symmetric multiprocessing)

    VSMP (virtual symmetric multiprocessing) is a method of SMP (symmetric multiprocessing) in which two or more virtual processors are mapped inside a single virtual machine or partition... (Continued)

  • W

    Windows Azure Hyper-V Recovery Manager

    Windows Azure Hyper-V Recovery Manager is a cloud-based service that automates the backup and recovery of Hyper-V virtual machines (VMs).

  • Windows File Share Witness (FSW)

    A Windows File Share Witness is a file share available to nodes in a high availability cluster. The feature helps ensure cluster operations can continue in the event of a node failure.

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