fix(table-catalog): classify storage quorum as unavailable (#6531)

Co-authored-by: Henry Guo <marshawcoco@users.noreply.github.com>

rustfs/src/table_catalog/mod.rs

@@ -383,6 +383,9 @@ fn is_missing_storage_error(err: &StorageError) -> bool {
 }
 
 fn storage_error_to_catalog(action: &str, err: StorageError) -> TableCatalogStoreError {
+    if err.is_quorum_error() {
+        return TableCatalogStoreError::Unavailable(format!("{action}: {err}"));
+    }
     match err {
         StorageError::ObjectNotFound(bucket, object) => TableCatalogStoreError::NotFound(format!("{action}: {bucket}/{object}")),
         StorageError::BucketNotFound(bucket) => TableCatalogStoreError::NotFound(format!("{action}: bucket {bucket}")),

rustfs/src/table_catalog/tests.rs

@@ -59,6 +59,33 @@ fn catalog_lock_authority_failures_are_typed_as_unavailable() {
     );
 }
 
+#[test]
+fn catalog_storage_quorum_failures_are_typed_as_unavailable() {
+    for error in [
+        StorageError::ErasureReadQuorum,
+        StorageError::ErasureWriteQuorum,
+        StorageError::InsufficientReadQuorum(".rustfs.sys".to_string(), "snapshot.json".to_string()),
+        StorageError::InsufficientWriteQuorum(".rustfs.sys".to_string(), "snapshot.json".to_string()),
+        StorageError::NamespaceLockQuorumUnavailable {
+            mode: "read",
+            bucket: ".rustfs.sys".to_string(),
+            object: "s3tables/catalog/strong-backing/snapshot.json".to_string(),
+            required: 2,
+            achieved: 0,
+        },
+    ] {
+        assert_matches!(
+            storage_error_to_catalog("stat catalog object", error),
+            TableCatalogStoreError::Unavailable(_)
+        );
+    }
+
+    assert_matches!(
+        storage_error_to_catalog("stat catalog object", StorageError::FileCorrupt),
+        TableCatalogStoreError::Internal(_)
+    );
+}
+
 #[test]
 fn reserved_table_object_key_matches_exact_prefix_and_children_only() {
     assert!(is_reserved_table_object_key(".rustfs-table"));