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Volume live migration - Migrating a volume of a vm from one storage pool to another without any downtime of the vm.

Feature Specifications

Scenarios

Storage motion operations can only carried out by a CloudStack root administrator. Summary of the operations that storage motion will allow on Hyper-V

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• Unsupported Scenario: A volume on a local storage cannot be live migrated to a volume of shared storage. A volume on local storage is created by a disk offering of  type "Local". Migrating it to a shared storage will conflict with the disk offering. The same applies to not allowing migration of a volume from shared to local storage.quality risks (test guidelines)

Test Guidelines

• • functional
  • non functional: performance, scalability, stability, overload scenarios, etc
  • corner cases and boundary conditions
  • negative usage scenarios
• specify supportability characteristics:
  • what new logging (or at least the important one) is introduced
  • how to debug and troubleshoot
  • what are the audit events 
  • list JMX interfaces
  • graceful failure and recovery scenarios
  • possible fallback or work around route if feature does not work as expected, if those workarounds do exist ofcourse.
  • if feature depends other run-time environment related requirements, provide sanity check list for support people to run
• explain configuration characteristics:
  • configuration parameters or files introduced/changed
  • branding parameters or files introduced/changed
  • highlight parameters for performance tweaking
  • highlight how installation/upgrade scenarios change
• deployment requirements (fresh install vs. upgrade) if any
• system requirements: memory, CPU, desk space, etc
• interoperability and compatibility requirements:
  • OS
  • xenserver, hypervisors
  • storage, networks, other
• list localization and internationalization specifications 
• explain the impact and possible upgrade/migration solution introduced by the feature 
• explain performance & scalability implications when feature is used from small scale to large scale
• explain levels or types of users communities of this feature (e.g. admin, user, etc)

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