Linstor: support live migration from other primary storage #12532
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Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## 4.20 #12532 +/- ##
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- Coverage 16.24% 16.24% -0.01%
- Complexity 13396 13400 +4
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Files 5658 5659 +1
Lines 499273 499488 +215
Branches 60600 60621 +21
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Hits 81125 81125
- Misses 409104 409319 +215
Partials 9044 9044
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Move reusable methods from LinstorPrimaryDataStoreDriverImpl to LinstorUtil to enable sharing with other components: - logLinstorAnswer, logLinstorAnswers, checkLinstorAnswersThrow - getRscGrp, getEncryptedLayerList, applyQoSSettings - createResourceBase, createResource, spawnResource - canShareTemplateForResourceGroup, foundShareableTemplate Add LIN_PROP_DRBDOPT_EXACT_SIZE constant and exactSize parameter support for DRBD exact-size property handling during resource creation.
Implement DataMotionStrategy for live migration of VMs with volumes on Linstor or other primary storage. Key features: - Support live migration with storage from other primary storages - Preserve DRBD exact-size property during migration
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Description
This PR allows live migration from any primary storage to Linstor primary storage.
Fixes: #8032
Fixes: #11826
Types of changes
Feature/Enhancement Scale or Bug Severity
Feature/Enhancement Scale
Bug Severity
Screenshots (if appropriate):
How Has This Been Tested?
Live migration from NFS primary storage and also from another Linstor primary storage.
How did you try to break this feature and the system with this change?
Running Linstor integration tests