diff --git a/weed/s3api/s3api_handlers.go b/weed/s3api/s3api_handlers.go
index ffeedc968..de9f98a36 100644
--- a/weed/s3api/s3api_handlers.go
+++ b/weed/s3api/s3api_handlers.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"net/http"
 
+	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 	"google.golang.org/grpc"
 
@@ -15,7 +16,13 @@ import (
 var _ = filer_pb.FilerClient(&S3ApiServer{})
 
 func (s3a *S3ApiServer) WithFilerClient(streamingMode bool, fn func(filer_pb.SeaweedFilerClient) error) error {
-
+	// Use filerClient for proper connection management and failover
+	if s3a.filerClient != nil {
+		return s3a.withFilerClientFailover(streamingMode, fn)
+	}
+	
+	// Fallback to direct connection if filerClient not initialized
+	// This should only happen during initialization or testing
 	return pb.WithGrpcClient(streamingMode, s3a.randomClientId, func(grpcConnection *grpc.ClientConn) error {
 		client := filer_pb.NewSeaweedFilerClient(grpcConnection)
 		return fn(client)
@@ -23,6 +30,50 @@ func (s3a *S3ApiServer) WithFilerClient(streamingMode bool, fn func(filer_pb.Sea
 
 }
 
+// withFilerClientFailover attempts to execute fn with automatic failover to other filers
+func (s3a *S3ApiServer) withFilerClientFailover(streamingMode bool, fn func(filer_pb.SeaweedFilerClient) error) error {
+	// Get current filer as starting point
+	currentFiler := s3a.filerClient.GetCurrentFiler()
+	
+	// Try current filer first
+	err := pb.WithGrpcClient(streamingMode, s3a.randomClientId, func(grpcConnection *grpc.ClientConn) error {
+		client := filer_pb.NewSeaweedFilerClient(grpcConnection)
+		return fn(client)
+	}, currentFiler.ToGrpcAddress(), false, s3a.option.GrpcDialOption)
+	
+	if err == nil {
+		return nil
+	}
+	
+	// Current filer failed - try all other filers
+	// Note: This is a simple failover implementation
+	// For production, consider implementing exponential backoff and circuit breakers
+	filers := s3a.filerClient.GetAllFilers()
+	
+	for _, filer := range filers {
+		if filer == currentFiler {
+			continue // Already tried this one
+		}
+		
+		err = pb.WithGrpcClient(streamingMode, s3a.randomClientId, func(grpcConnection *grpc.ClientConn) error {
+			client := filer_pb.NewSeaweedFilerClient(grpcConnection)
+			return fn(client)
+		}, filer.ToGrpcAddress(), false, s3a.option.GrpcDialOption)
+		
+		if err == nil {
+			// Success! Update current filer for future requests
+			// This is a simple round-robin update - could be improved with health tracking
+			glog.V(1).Infof("WithFilerClient: failover from %s to %s succeeded", currentFiler, filer)
+			return nil
+		}
+		
+		glog.V(2).Infof("WithFilerClient: failover to %s failed: %v", filer, err)
+	}
+	
+	// All filers failed
+	return fmt.Errorf("all filers failed, last error: %w", err)
+}
+
 func (s3a *S3ApiServer) AdjustedUrl(location *filer_pb.Location) string {
 	return location.Url
 }
diff --git a/weed/wdclient/filer_client.go b/weed/wdclient/filer_client.go
index 0c6719c6f..057cedf19 100644
--- a/weed/wdclient/filer_client.go
+++ b/weed/wdclient/filer_client.go
@@ -205,6 +205,18 @@ func (fc *FilerClient) GetCurrentFiler() pb.ServerAddress {
 	return fc.filerAddresses[index]
 }
 
+// GetAllFilers returns a snapshot of all filer addresses
+// Returns a copy to avoid concurrent modification issues
+func (fc *FilerClient) GetAllFilers() []pb.ServerAddress {
+	fc.filerAddressesMu.RLock()
+	defer fc.filerAddressesMu.RUnlock()
+	
+	// Return a copy to avoid concurrent modification
+	filers := make([]pb.ServerAddress, len(fc.filerAddresses))
+	copy(filers, fc.filerAddresses)
+	return filers
+}
+
 // Close stops the filer discovery goroutine if running
 // Safe to call multiple times (idempotent)
 func (fc *FilerClient) Close() {