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Chris Lu
c1a1e3c1e3
* volume: copying a remote-backed volume only needs space for the index VolumeCopy sized its target-location check by the source .dat even when that .dat lives in a cloud tier and only .idx/.vif land locally, so re-replicating a tiered volume demanded the full remote size in free disk. Require the index size instead. * shell: volume.tier.upload keeps volume replicas Tiering a replicated volume deleted every replica but the upload source, leaving one server holding the only .idx and the only .vif that knows the remote object key — losing that server orphaned the volume even though its data sat intact in the cloud. Replicate the uploaded .idx/.vif onto the other replica servers instead (VolumeCopy skips the .dat for remote-backed volumes), so all replicas serve reads from the same remote object and the volume keeps its replica count. An already-tiered replica is preferred as the upload source, so a rerun after a partial failure reuses the existing remote object instead of uploading a second copy under a new key. * shell: group tier upload locations instead of re-prepending * rust volume: copying a remote-backed volume only needs space for the index Mirror the Go VolumeCopy change: size the free-location check by the source .idx when the .dat lives in a cloud tier, since only .idx/.vif land locally.