if errors.Is(err, errNoHealRequired) {
			countNoHeal++
		}
		r.DiskCount += result.DiskCount
		r.SetCount += result.SetCount
		r.Before.Drives = append(r.Before.Drives, result.Before.Drives...)
		r.After.Drives = append(r.After.Drives, result.After.Drives...)
	}

	// No heal returned by all serverPools, return errNoHealRequired
	if countNoHeal == len(z.serverPools) {
		return r, errNoHealRequired
	}

          "hide": false,
          "instant": true,
          "legendFormat": ".",
          "range": false,
          "refId": "B"
        }
      ],
      "title": "Total Online/Offline Drives",
      "type": "gauge"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {

			if disk == nil || !disk.IsOnline() {
				parityDrives++
				offlineDrives++
				continue
			}
		}

		if offlineDrives >= (len(storageDisks)+1)/2 {
			// if offline drives are more than 50% of the drives
			// we have no quorum, we shouldn't proceed just
			// fail at that point.
			return ObjectInfo{}, toObjectErr(errErasureWriteQuorum, bucket, object)
		}

			storageLogOnceIf(context.Background(),
				fmt.Errorf("unexpected drive ordering on pool: %s: found drive at (set=%s, drive=%s), expected at (set=%s, drive=%s): %s(%s): %w",
					humanize.Ordinal(ep.PoolIdx+1), humanize.Ordinal(m+1), humanize.Ordinal(n+1), humanize.Ordinal(ep.SetIdx+1), humanize.Ordinal(ep.DiskIdx+1),
					s, s.diskID, errInconsistentDisk), "drive-order-format-json")
			return s, errInconsistentDisk
		}
		s.diskID = diskID

	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

	nDisks := 16
	erasureDisks, err := getRandomDisks(nDisks)
	if err != nil {
		t.Fatalf("Initialization of drives for Erasure setup: %s", err)
	}
	objLayer, _, err := initObjectLayer(ctx, mustGetPoolEndpoints(0, erasureDisks...))
	if err != nil {
		t.Fatalf("Initialization of object layer failed for Erasure setup: %s", err)
	}

        // Set up deferred buffer chain to avoid NPE
        mockDeferredNdrBuffer.deferred = mockDeferredNdrBuffer; // Self-reference to avoid NPE
        lenient().when(mockNdrBuffer.derive(anyInt())).thenReturn(mockDeferredNdrBuffer);
        lenient().when(mockDeferredNdrBuffer.derive(anyInt())).thenReturn(mockDeferredNdrBuffer);

        // Set up lenient stubs for common operations to avoid unnecessary stubbing exceptions

	// TestXLStorage for delete on an removed disk.
	// should fail with disk not found.
	err = xlStorageDeletedStorage.DeleteVol(t.Context(), "Del-Vol", false)
	if err != errDiskNotFound {
		t.Errorf("Expected: \"Drive not found\", got \"%s\"", err)
	}
}

// TestXLStorageStatVol - TestXLStorages validate the volume info returned by xlStorage.StatVol() for various inputs.
func TestXLStorageStatVol(t *testing.T) {

package tests_test

import (
	"context"
	"database/sql"
	"fmt"
	"math/rand"
	"reflect"
	"strconv"
	"strings"
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
	"gorm.io/driver/gaussdb"
	"gorm.io/driver/postgres"

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"gorm.io/gorm/migrator"
	"gorm.io/gorm/schema"
	"gorm.io/gorm/utils"
	. "gorm.io/gorm/utils/tests"
)

func TestMigrate(t *testing.T) {

github.com/go-openapi/validate v0.24.0/go.mod h1:iyeX1sEufmv3nPbBdX3ieNviWnOZaJ1+zquzJEf2BAQ=
github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
github.com/go-sql-driver/mysql v1.9.2 h1:4cNKDYQ1I84SXslGddlsrMhc8k4LeDVj6Ad6WRjiHuU=
github.com/go-sql-driver/mysql v1.9.2/go.mod h1:qn46aNg1333BRMNU69Lq93t8du/dwxI64Gl8i5p1WMU=

	localDrives := cloneDrives(globalLocalDrivesMap)
	globalLocalDrivesMu.RUnlock()

	errs := make([]error, len(localDrives))
	infos := make([]DiskInfo, len(localDrives))
	for i, drive := range localDrives {
		infos[i], errs[i] = drive.DiskInfo(GlobalContext, DiskInfoOptions{})
	}
	infoMaps := make(map[string]madmin.DiskMetrics)
	for i := range infos {
		if infos[i].Metrics.TotalWaiting >= 1 && errors.Is(errs[i], errFaultyDisk) {