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About the feature:

XenServer introduced support for Storage XenMotion in the latest version (6.1).
Storage XenMotion allows Live Migration VMs to be moved from

  1. one host to another, where the VMs are not located on storage shared between the two hosts.
  2. It provides the option to live migrate a VM’s disks along with the VM itself.
  3. It is now possible to migrate a VM from one resource pool to another, or to migrate a VM whose disks are on local storage, or even to migrate a VM’s disks from one storage repository to another, all while the VM is running.

CloudStack makes use of this SXM feature and supports the following use cases:

  1. support Live Migration of a VM along with volumes
  • within a resource pool
    • VM on local storage
    • VM on shared storage pool
  • across resource pool
    • VM on local storage
    • VM on shared storage pool
  1. support volume migration between SRs while the VM is on the same host(with in same resource pool)

Scope:

The scope of this test plan includes the following:

  1. This is valid for XenServer 6.1 deployments
  2. covers Local and shared storage-NFS,iSCSI related testing
  3. Upgrade testing
  4. Fresh installations with ACS 4.2
  5. test the support for Live Migration of a VM along with volumes
  • within a resource pool
    • VM on local storage
    • VM on shared storage pool
  • across resource pool
    • VM on local storage
    • VM on shared storage pool
  1. test the support volume migration between SRs while the VM is on the same host(with in same resource pool)

Acronyms:

ACS - Apache CloudStack
NFS - Network File System
iSCSI - Internet Small Computer System Interface

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