Feature pages are design documents that developers have created while collaborating on oVirt.

Most of them areoutdated, but provide historical design context.

They arenotuser documentation and should not be treated as such.

Documentation is available here.

Summary

While every oVirt version delivers new features based on new VDSM APIs (i.e., a new cluster level) or even new SPM APIs (i.e., a new DC level), these features usually do not require any upgrade to the underlying storage domain format. The new 4.1 DC level delivers several features that do, in fact, require such an upgrade, which inspired the introduction of a new storage domain format, V4. This new format includes:

Current status

  • Released in oVirt 4.1

Upgrade

The upgrade will be handled as a storage domain live upgrade, just like previous domain upgrades were handled.