test(e2e): wait for heal peers after node rejoin

crates/data-usage/src/data_usage.rs

@@ -585,12 +585,9 @@ impl VersionsHistogram {
     }
 }
 
-/// Replication statistics for a single target.
-///
-/// Renamed from `ReplicationStats`; serde field names are preserved
-/// byte-identically to maintain wire compatibility with existing snapshots.
-#[derive(Debug, Default, Clone, Serialize, Deserialize, PartialEq, Eq)]
-pub struct ReplicationTargetUsage {
+/// Replication statistics for a single target
+#[derive(Debug, Default, Clone, Serialize, Deserialize)]
+pub struct ReplicationStats {
     pub pending_size: u64,
     pub replicated_size: u64,
     pub failed_size: u64,
@@ -603,7 +600,7 @@ pub struct ReplicationTargetUsage {
     pub replicated_count: u64,
 }
 
-impl ReplicationTargetUsage {
+impl ReplicationStats {
     pub fn is_empty(&self) -> bool {
         let Self {
             pending_size,
@@ -639,7 +636,7 @@ impl ReplicationTargetUsage {
 /// Replication statistics for all targets
 #[derive(Debug, Default, Clone, Serialize, Deserialize)]
 pub struct ReplicationAllStats {
-    pub targets: HashMap<String, ReplicationTargetUsage>,
+    pub targets: HashMap<String, ReplicationStats>,
     pub replica_size: u64,
     pub replica_count: u64,
 }
@@ -652,7 +649,7 @@ impl ReplicationAllStats {
             targets,
         } = self;
 
-        *replica_size == 0 && *replica_count == 0 && targets.values().all(ReplicationTargetUsage::is_empty)
+        *replica_size == 0 && *replica_count == 0 && targets.values().all(ReplicationStats::is_empty)
     }
 
     #[deprecated(note = "use is_empty instead")]
@@ -2469,7 +2466,7 @@ mod tests {
 
     #[test]
     fn replication_stats_empty_checks_every_field() {
-        type SetField = fn(&mut ReplicationTargetUsage);
+        type SetField = fn(&mut ReplicationStats);
 
         let cases: [(&str, SetField); 10] = [
             ("pending_size", |stats| stats.pending_size = 1),
@@ -2484,9 +2481,9 @@ mod tests {
             ("replicated_count", |stats| stats.replicated_count = 1),
         ];
 
-        assert!(ReplicationTargetUsage::default().is_empty());
+        assert!(ReplicationStats::default().is_empty());
         for (field, set_nonzero) in cases {
-            let mut stats = ReplicationTargetUsage::default();
+            let mut stats = ReplicationStats::default();
             set_nonzero(&mut stats);
             assert!(!stats.is_empty(), "{field} must make replication stats non-empty");
         }
@@ -2517,17 +2514,17 @@ mod tests {
         }
 
         let empty_targets = ReplicationAllStats {
-            targets: HashMap::from([("arn:test:empty".to_string(), ReplicationTargetUsage::default())]),
+            targets: HashMap::from([("arn:test:empty".to_string(), ReplicationStats::default())]),
             ..Default::default()
         };
         assert!(empty_targets.is_empty(), "all-empty targets must keep aggregate stats empty");
 
         let stats = ReplicationAllStats {
             targets: HashMap::from([
-                ("arn:test:empty".to_string(), ReplicationTargetUsage::default()),
+                ("arn:test:empty".to_string(), ReplicationStats::default()),
                 (
                     "arn:test:non-empty".to_string(),
-                    ReplicationTargetUsage {
+                    ReplicationStats {
                         pending_count: 1,
                         ..Default::default()
                     },
@@ -2568,7 +2565,7 @@ mod tests {
                 replication_stats: Some(ReplicationAllStats {
                     targets: HashMap::from([(
                         "arn:test:pending".to_string(),
-                        ReplicationTargetUsage {
+                        ReplicationStats {
                             pending_count: 1,
                             ..Default::default()
                         },
@@ -2717,7 +2714,7 @@ mod tests {
                 targets: HashMap::from([
                     (
                         "arn:self-only".to_string(),
-                        ReplicationTargetUsage {
+                        ReplicationStats {
                             pending_size: 7,
                             pending_count: 1,
                             ..Default::default()
@@ -2725,7 +2722,7 @@ mod tests {
                     ),
                     (
                         "arn:shared".to_string(),
-                        ReplicationTargetUsage {
+                        ReplicationStats {
                             failed_size: 3,
                             failed_count: 1,
                             missed_threshold_size: 2,
@@ -2744,7 +2741,7 @@ mod tests {
                 targets: HashMap::from([
                     (
                         "arn:shared".to_string(),
-                        ReplicationTargetUsage {
+                        ReplicationStats {
                             failed_size: 5,
                             failed_count: 2,
                             after_threshold_size: 4,
@@ -2754,7 +2751,7 @@ mod tests {
                     ),
                     (
                         "arn:other-only".to_string(),
-                        ReplicationTargetUsage {
+                        ReplicationStats {
                             replicated_size: 11,
                             replicated_count: 3,
                             ..Default::default()
@@ -2996,9 +2993,7 @@ mod tests {
     fn replication_target_deserialization_preserves_large_historical_maps() {
         let mut stats = ReplicationAllStats::default();
         for index in 0..=1024 {
-            stats
-                .targets
-                .insert(format!("target-{index}"), ReplicationTargetUsage::default());
+            stats.targets.insert(format!("target-{index}"), ReplicationStats::default());
         }
         let encoded = rmp_serde::to_vec_named(&stats).expect("large replication target fixture should encode");
         let decoded = rmp_serde::from_slice::<ReplicationAllStats>(&encoded)
@@ -3007,47 +3002,6 @@ mod tests {
         assert_eq!(decoded.targets.len(), stats.targets.len());
     }
 
-    /// Round-trip test: encoding a [`ReplicationTargetUsage`] and decoding it back
-    /// must produce the exact same value.  This guards against accidental serde
-    /// field-name drift during the `ReplicationStats` -> `ReplicationTargetUsage`
-    /// rename.  Wire-level field names are the serialized Rust field identifiers,
-    /// which must remain byte-identical.
-    #[test]
-    fn replication_target_usage_rmp_round_trip() {
-        let original = ReplicationTargetUsage {
-            pending_size: 100,
-            replicated_size: 2_000,
-            failed_size: 50,
-            failed_count: 3,
-            pending_count: 7,
-            missed_threshold_size: 11,
-            after_threshold_size: 22,
-            missed_threshold_count: 1,
-            after_threshold_count: 2,
-            replicated_count: 99,
-        };
-
-        let buf = rmp_serde::to_vec_named(&original).expect("encode ReplicationTargetUsage to msgpack");
-        let decoded: ReplicationTargetUsage = rmp_serde::from_slice(&buf).expect("decode ReplicationTargetUsage from msgpack");
-        assert_eq!(original, decoded, "round-trip through rmp must preserve every field");
-
-        // Also verify that encoding as an unnamed sequence and then decoding
-        // with named fields produces the correct mapping (this catches reordering).
-        let named_buf = rmp_serde::to_vec_named(&original).expect("re-encode for field-name pinning");
-        // Spot-check that known field names appear in the named encoding.
-        let named_str = String::from_utf8_lossy(&named_buf);
-        assert!(named_str.contains("pending_size"), "field 'pending_size' must survive the rename");
-        assert!(named_str.contains("replicated_size"), "field 'replicated_size' must survive the rename");
-        assert!(
-            named_str.contains("missed_threshold_size"),
-            "field 'missed_threshold_size' must survive the rename"
-        );
-        assert!(
-            named_str.contains("after_threshold_count"),
-            "field 'after_threshold_count' must survive the rename"
-        );
-    }
-
     #[test]
     fn checked_merge_rejects_noncanonical_histograms_without_mutation() {
         let mut entry = DataUsageEntry {

crates/e2e_test/src/heal_erasure_disk_rebuild_test.rs

@@ -380,10 +380,24 @@ mod tests {
         cluster.start_node(1).await?;
 
         let status_url = format!("{}/rustfs/admin/v3/background-heal/status", cluster.nodes[0].url);
-        let status_body = signed_admin_post(&status_url, None, &cluster.access_key, &cluster.secret_key).await?;
-        assert!(
-            !status_body.contains("MissingContentLength"),
-            "background heal status should not fail without an explicit Content-Length: {status_body}"
+        let mut recovered = serde_json::Value::Null;
+        for _ in 0..60 {
+            let status_body = signed_admin_post(&status_url, None, &cluster.access_key, &cluster.secret_key).await?;
+            assert!(
+                !status_body.contains("MissingContentLength"),
+                "background heal status should not fail without an explicit Content-Length: {status_body}"
+            );
+            recovered = serde_json::from_str(&status_body)
+                .map_err(|err| format!("background heal status is not JSON ({err}): {status_body}"))?;
+            if recovered["clusterStatusComplete"] == serde_json::Value::Bool(true) {
+                break;
+            }
+            sleep(Duration::from_secs(1)).await;
+        }
+        assert_eq!(
+            recovered["clusterStatusComplete"],
+            serde_json::Value::Bool(true),
+            "cluster heal status should recover before root heal starts: {recovered}"
         );
 
         let heal_body = r#"{"recursive":true,"dryRun":false,"remove":false,"recreate":true,"scanMode":2,"updateParity":false,"nolock":false}"#;

crates/ecstore/src/cluster/rpc/remote_disk.rs

@@ -50,10 +50,10 @@ use rustfs_protos::evict_failed_connection;
 use rustfs_protos::proto_gen::node_service::RenamePartRequest;
 use rustfs_protos::proto_gen::node_service::{
     BatchReadVersionRequest, BatchReadVersionResponse, CheckPartsRequest, DeletePathsRequest, DeleteRequest,
-    DeleteVersionRequest, DeleteVersionsRequest, DeleteVersionsResponse, DeleteVolumeRequest, DiskInfoRequest, ListDirRequest,
-    ListVolumesRequest, MakeVolumeRequest, MakeVolumesRequest, PreparePartTransactionRequest, ReadAllRequest,
-    ReadMetadataRequest, ReadMultipleRequest, ReadMultipleResponse, ReadPartsRequest, ReadVersionRequest, ReadXlRequest,
-    RenameDataRequest, RenameFileRequest, SettlePartTransactionRequest, SnapshotLeaseReleaseRequest, SnapshotLeaseRenewRequest,
+    DeleteVersionRequest, DeleteVersionsRequest, DeleteVolumeRequest, DiskInfoRequest, ListDirRequest, ListVolumesRequest,
+    MakeVolumeRequest, MakeVolumesRequest, PreparePartTransactionRequest, ReadAllRequest, ReadMetadataRequest,
+    ReadMultipleRequest, ReadMultipleResponse, ReadPartsRequest, ReadVersionRequest, ReadXlRequest, RenameDataRequest,
+    RenameFileRequest, SettlePartTransactionRequest, SnapshotLeaseReleaseRequest, SnapshotLeaseRenewRequest,
     SnapshotLeaseRequest, SnapshotLeaseResponse, StatVolumeRequest, UpdateMetadataRequest, VerifyFileRequest, WriteAllRequest,
     WriteMetadataRequest, node_service_client::NodeServiceClient,
 };
@@ -112,28 +112,6 @@ const EVENT_REMOTE_DISK_RPC: &str = "remote_disk_rpc";
 const SNAPSHOT_LEASE_PROTOCOL_VERSION: u32 = 1;
 pub const REMOTE_SNAPSHOT_LEASE_TTL: Duration = Duration::from_secs(60);
 
-fn decode_delete_versions_errors(response: DeleteVersionsResponse, expected_len: usize) -> Vec<Option<Error>> {
-    if !response.item_errors.is_empty() {
-        if response.item_errors.len() != expected_len {
-            return vec![Some(Error::other("malformed delete_versions item errors")); expected_len];
-        }
-        return response
-            .item_errors
-            .into_iter()
-            .map(|error| (error.code != 0).then(|| error.into()))
-            .collect();
-    }
-
-    if response.errors.len() != expected_len {
-        return vec![Some(Error::other("malformed delete_versions errors")); expected_len];
-    }
-    response
-        .errors
-        .into_iter()
-        .map(|error| (!error.is_empty()).then(|| Error::other(error)))
-        .collect()
-}
-
 fn snapshot_lease_token_from_response(response: SnapshotLeaseResponse) -> Result<SnapshotLeaseToken> {
     if !response.success {
         return Err(response.error.unwrap_or_default().into());
@@ -2428,6 +2406,8 @@ impl DiskAPI for RemoteDisk {
             return errors;
         }
 
+        // TODO(backlog): replace string errors with typed `StorageError` variants
+
         let result = self
             .execute_with_timeout(
                 || async {
@@ -2459,7 +2439,17 @@ impl DiskAPI for RemoteDisk {
             }
             return errors;
         }
-        decode_delete_versions_errors(response, versions.len())
+        response
+            .errors
+            .iter()
+            .map(|error| {
+                if error.is_empty() {
+                    None
+                } else {
+                    Some(Error::other(error.to_string()))
+                }
+            })
+            .collect()
     }
 
     #[tracing::instrument(level = "trace", skip_all)]
@@ -3770,63 +3760,6 @@ mod tests {
 
     static INIT: Once = Once::new();
 
-    #[test]
-    fn delete_versions_response_preserves_typed_item_errors() {
-        let errors = decode_delete_versions_errors(
-            DeleteVersionsResponse {
-                success: true,
-                errors: vec!["file not found".to_string(), String::new()],
-                error: None,
-                item_errors: vec![
-                    rustfs_protos::proto_gen::node_service::Error {
-                        code: DiskError::FileNotFound.to_u32(),
-                        error_info: "file not found".to_string(),
-                    },
-                    rustfs_protos::proto_gen::node_service::Error::default(),
-                ],
-            },
-            2,
-        );
-
-        assert!(matches!(errors.as_slice(), [Some(DiskError::FileNotFound), None]));
-    }
-
-    #[test]
-    fn delete_versions_response_accepts_legacy_string_errors() {
-        let errors = decode_delete_versions_errors(
-            DeleteVersionsResponse {
-                success: true,
-                errors: vec!["legacy error".to_string(), String::new()],
-                error: None,
-                item_errors: Vec::new(),
-            },
-            2,
-        );
-
-        assert_eq!(errors.len(), 2);
-        assert_eq!(errors[0].as_ref().map(ToString::to_string).as_deref(), Some("io error legacy error"));
-        assert!(errors[1].is_none());
-    }
-
-    #[test]
-    fn delete_versions_response_rejects_misaligned_item_errors() {
-        let errors = decode_delete_versions_errors(
-            DeleteVersionsResponse {
-                success: true,
-                errors: vec!["file not found".to_string()],
-                error: None,
-                item_errors: vec![rustfs_protos::proto_gen::node_service::Error {
-                    code: DiskError::FileNotFound.to_u32(),
-                    error_info: "file not found".to_string(),
-                }],
-            },
-            2,
-        );
-
-        assert_eq!(errors.len(), 2);
-        assert!(errors.iter().all(Option::is_some));
-    }
-
     #[test]
     fn disk_mutation_digest_marks_rolling_compatibility() {
         let mut request = Request::new(());

crates/protos/src/generated/proto_gen/node_service.rs

@@ -722,10 +722,6 @@ pub struct DeleteVersionsResponse {
     pub errors: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
     #[prost(message, optional, tag = "3")]
     pub error: ::core::option::Option<Error>,
-    /// Senders dual-write the legacy strings and typed entries. Receivers prefer typed entries
-    /// when present and fall back to strings for peers that predate this field. Code zero means success.
-    #[prost(message, repeated, tag = "4")]
-    pub item_errors: ::prost::alloc::vec::Vec<Error>,
 }
 #[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct ReadMultipleRequest {

crates/protos/src/node.proto

@@ -493,9 +493,6 @@ message DeleteVersionsResponse {
   bool success = 1;
   repeated string errors = 2;
   optional Error error = 3;
-  // Senders dual-write the legacy strings and typed entries. Receivers prefer typed entries
-  // when present and fall back to strings for peers that predate this field. Code zero means success.
-  repeated Error item_errors = 4;
 }
 
 message ReadMultipleRequest {

crates/scanner/src/data_usage_define/tests.rs

@@ -16,7 +16,7 @@ use super::persistence::DataUsageCacheLoadAttempt;
 use super::*;
 use crate::storage_api::scanner_io::{HTTPRangeSpec, ObjectIO};
 use crate::{ScannerGetObjectReader, ScannerPutObjReader};
-use rustfs_data_usage::{ReplicationAllStats, ReplicationTargetUsage};
+use rustfs_data_usage::{ReplicationAllStats, ReplicationStats};
 use serde_json::Value;
 use std::io::Cursor;
 use std::pin::Pin;
@@ -1636,7 +1636,7 @@ fn size_recursive_prunes_empty_and_preserves_threshold_replication_stats() {
             replication_stats: Some(ReplicationAllStats {
                 targets: HashMap::from([(
                     "arn:test:threshold".to_string(),
-                    ReplicationTargetUsage {
+                    ReplicationStats {
                         after_threshold_count: 1,
                         ..Default::default()
                     },

crates/scanner/src/scanner_io/publish_gate_tests.rs

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 use super::*;
-use rustfs_data_usage::{ReplicationAllStats, ReplicationTargetUsage};
+use rustfs_data_usage::{ReplicationAllStats, ReplicationStats};
 
 const TEST_PLAN_DIGEST: DataUsageScanPlanDigest = DataUsageScanPlanDigest([7; 32]);
 
@@ -271,7 +271,7 @@ fn completed_data_usage_info_flattens_nested_bucket_entries() {
         replication_stats: Some(ReplicationAllStats {
             targets: HashMap::from([(
                 "arn:target".to_string(),
-                ReplicationTargetUsage {
+                ReplicationStats {
                     replicated_size: 2048,
                     replicated_count: 2,
                     ..Default::default()

rustfs/src/storage/rpc/node_service/disk.rs

@@ -146,29 +146,6 @@ fn encode_file_info_msgpack(value: &FileInfo) -> std::result::Result<Vec<u8>, Di
     encode_msgpack_with_capacity(value, "FileInfo", FILE_INFO_MSGPACK_ENCODE_CAPACITY_HINT)
 }
 
-fn encode_delete_versions_errors(disk_errors: Vec<Option<DiskError>>) -> (Vec<String>, Vec<Error>) {
-    let mut errors = Vec::with_capacity(disk_errors.len());
-    let mut item_errors = Vec::with_capacity(disk_errors.len());
-    for error in disk_errors {
-        match error {
-            Some(error) => {
-                let code = match &error {
-                    DiskError::Io(source) if source.kind() == std::io::ErrorKind::NotFound => DiskError::FileNotFound.to_u32(),
-                    _ => error.to_u32(),
-                };
-                let error_info = error.to_string();
-                errors.push(error_info.clone());
-                item_errors.push(Error { code, error_info });
-            }
-            None => {
-                errors.push(String::new());
-                item_errors.push(Error::default());
-            }
-        }
-    }
-    (errors, item_errors)
-}
-
 fn encode_msgpack_named<T: serde::Serialize>(value: &T, value_name: &str) -> std::result::Result<Vec<u8>, DiskError> {
     let mut serializer = rmp_serde::Serializer::new(Vec::with_capacity(MSGPACK_ENCODE_CAPACITY_HINT)).with_struct_map();
     value
@@ -575,7 +552,6 @@ impl NodeService {
                             success: false,
                             errors: Vec::new(),
                             error: Some(DiskError::other(format!("decode FileInfoVersions failed: {err}")).into()),
-                            item_errors: Vec::new(),
                         }));
                     }
                 };
@@ -587,26 +563,30 @@ impl NodeService {
                         success: false,
                         errors: Vec::new(),
                         error: Some(DiskError::other(format!("decode DeleteOptions failed: {err}")).into()),
-                        item_errors: Vec::new(),
                     }));
                 }
             };
 
-            let (errors, item_errors) =
-                encode_delete_versions_errors(disk.delete_versions(&request.volume, versions, opts).await);
+            let errors = disk
+                .delete_versions(&request.volume, versions, opts)
+                .await
+                .into_iter()
+                .map(|error| match error {
+                    Some(e) => e.to_string(),
+                    None => "".to_string(),
+                })
+                .collect();
 
             Ok(Response::new(DeleteVersionsResponse {
                 success: true,
                 errors,
                 error: None,
-                item_errors,
             }))
         } else {
             Ok(Response::new(DeleteVersionsResponse {
                 success: false,
                 errors: Vec::new(),
                 error: Some(DiskError::other("cannot find disk".to_string()).into()),
-                item_errors: Vec::new(),
             }))
         }
     }
@@ -1632,8 +1612,8 @@ impl NodeService {
 mod tests {
     use super::{
         compat_response_json, decode_msgpack_or_json, decode_rename_data_request_file_info,
-        encode_batch_read_version_response_payloads, encode_delete_versions_errors, encode_file_info_msgpack, encode_msgpack,
-        encode_msgpack_named, encode_read_multiple_response_payloads, encode_rename_data_response_payloads,
+        encode_batch_read_version_response_payloads, encode_file_info_msgpack, encode_msgpack, encode_msgpack_named,
+        encode_read_multiple_response_payloads, encode_rename_data_response_payloads,
     };
     use crate::storage::rpc::node_service::make_server;
     use crate::storage::storage_api::ReadMultipleResp;
@@ -1652,18 +1632,6 @@ mod tests {
         count: u32,
     }
 
-    #[test]
-    fn delete_versions_response_dual_writes_typed_item_errors() {
-        let raw_not_found = super::DiskError::Io(std::io::Error::from(std::io::ErrorKind::NotFound));
-        let (errors, item_errors) = encode_delete_versions_errors(vec![Some(raw_not_found), None]);
-
-        assert!(errors[0].starts_with("io error "));
-        assert!(errors[1].is_empty());
-        assert_eq!(item_errors[0].code, super::DiskError::FileNotFound.to_u32());
-        assert_eq!(item_errors[0].error_info, errors[0]);
-        assert_eq!(item_errors[1].code, 0);
-    }
-
     #[tokio::test]
     #[serial]
     async fn handle_read_version_records_attribution_for_missing_disk() {