deployment stop deletes the namespace (and PVCs) but preserves PVs
by default. On the next deployment start, PVs are in Released state
with a stale claimRef pointing at the deleted PVC. New PVCs cannot
bind to Released PVs, so pods get stuck in Pending.
Clear the claimRef on any Released PV during _create_volume_data()
so the PV returns to Available and can accept new PVC bindings.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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