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[FEATURE] Offline volume migration from v1 to v2 data engine · Issue #7267 · longhorn/longhorn · GitHub
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area/replicaVolume replica where data is placedVolume replica where data is placedarea/v1-data-enginev1 data engine (iSCSI tgt)v1 data engine (iSCSI tgt)area/v2-data-enginev2 data engine (SPDK)v2 data engine (SPDK)component/longhorn-instance-managerLonghorn instance manager (interface between control and data plane)Longhorn instance manager (interface between control and data plane)highlightImportant feature/issue to highlightImportant feature/issue to highlightkind/featureFeature request, new featureFeature request, new featurepriority/0Must be implement or fixed in this release (managed by PO)Must be implement or fixed in this release (managed by PO)require/auto-e2e-testRequire adding/updating auto e2e test cases if they can be automatedRequire adding/updating auto e2e test cases if they can be automatedrequire/docRequire updating the longhorn.io documentationRequire updating the longhorn.io documentationrequire/lepRequire adding/updating enhancement proposalRequire adding/updating enhancement proposal
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Besides supporting out-of-cluster volume migration from v1 to v2 through backup & restore, should also support in-cluster volume migration without an external backup store. In this enhancement, Longhorn should support an offline volume migration to let users migrate their v1 volumes to v2.
P.S. This is different from the current volume migration which is used to move volume engine/control from node 1 to node 2 but it's the same type ([v1, v2] of the data engine.
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cc @longhorn/dev-data-plane
Daemonslayer2048, alimoezzi, gberche-orange and MagicFun1241
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area/replicaVolume replica where data is placedVolume replica where data is placedarea/v1-data-enginev1 data engine (iSCSI tgt)v1 data engine (iSCSI tgt)area/v2-data-enginev2 data engine (SPDK)v2 data engine (SPDK)component/longhorn-instance-managerLonghorn instance manager (interface between control and data plane)Longhorn instance manager (interface between control and data plane)highlightImportant feature/issue to highlightImportant feature/issue to highlightkind/featureFeature request, new featureFeature request, new featurepriority/0Must be implement or fixed in this release (managed by PO)Must be implement or fixed in this release (managed by PO)require/auto-e2e-testRequire adding/updating auto e2e test cases if they can be automatedRequire adding/updating auto e2e test cases if they can be automatedrequire/docRequire updating the longhorn.io documentationRequire updating the longhorn.io documentationrequire/lepRequire adding/updating enhancement proposalRequire adding/updating enhancement proposal
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