Add configurable delayed-delete suffix for RBD volumes#1911
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Instead of unconditionally renaming or deleting RBD volumes on removal, make the behavior configurable via the rbd disk parameter delayed-delete-suffix. When set (e.g. "-deleted"), Ganeti renames the volume instead of deleting it, allowing RBD snapshots to expire before a cleanup job purges the image. When empty (the default), volumes are deleted immediately, preserving the original behavior. Configure with: gnt-cluster modify -D rbd:delayed-delete-suffix=-deleted
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Summary
delayed-delete-suffixRBD disk parameter (default empty string)