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Archive, restore and keep local copies

Connector 0.7 retains downloaded snapshots when sources become unavailable. For Workspace raster connections, follow and pin both check the current source status. An archived head stops synchronization but does not delete local layers, styles or data. Historical revisions remain readable with project permission.

  • Archived: restore in Workspace, then click Check source / resume.
  • Missing: check the source identity, then reconnect or resume. A missing response does not establish that deletion occurred.
  • Access denied: sign in again or ask the project administrator, then resume. Local copies already exported cannot be recalled.
  • Offline: retain the snapshot and retry with bounded exponential backoff.
  • Keep selected layer as local copy: disconnect the selected raster from following, retaining data and source provenance. Save the QGIS project to retain the detached state. This does not make a second copy outside the connector cache; use QGIS Export → Save As for an independently placed GeoTIFF.
  • Removing a QGIS layer never deletes its server source.

A stopped binding persists in a saved QGIS project. Resume rechecks permissions and lifecycle. Restoring an asset never changes a pinned layer’s revision. Publication remains explicit; an outdated source update is rejected. Choose a new asset when deliberately publishing a separate authorized derivative.

Start QGIS normally, without --noplugins. That flag suppresses the core Processing plugin even when its saved checkbox appears checked. Enable Processing under Plugins → Manage and Install Plugins → Installed. Open Processing → Toolbox, or click Open Processing Toolbox in the Ophiolite dock. The latter loads the bundled core plugin and opens its own toolbox; it does not implement algorithms. Search Raster calculator and choose the GDAL result for the tested native route. Choose an input raster, band 1, formula A + 10, and a writable output GeoTIFF. After running, select the result and choose Review / publish QGIS result.

Scope: archived/missing/denied classifications apply to the typed Workspace connection. Older direct bridges retain their generic unavailable fallback. No remote copy erasure or arbitrary third-party asset deletion is claimed.

Open Data → Inspect → Asset lifecycle as a project administrator. Archive retains the catalog entry and revision history. Select a preserved revision and choose Restore asset to create a new revision with the same identity. Older revisions can be loaded from the history controls. Permanent erasure is not offered.

Lifecycle API explains permissions and retries.

Qualified on QGIS 4.2.2 for Mac with Connector 0.7: actual follow/pin archive, retained files, restore, explicit resume and numerical equality; browser controls and rejected unauthorized and stale requests. This is bounded current-backend pilot evidence, not OSDU lifecycle qualification.