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

	g := errgroup.WithNErrs(len(localDrives)).WithConcurrency(32)
	bucketsInfo := make([]BucketInfo, len(localDrives))

	// Make a volume entry on all underlying storage disks.
	for index := range localDrives {
		g.Go(func() error {
			if localDrives[index] == nil {

		}
	}

	// Add/update buckets that are not registered with the DNS
	bucketsToBeUpdatedSlice := bucketsToBeUpdated.ToSlice()
	g := errgroup.WithNErrs(len(bucketsToBeUpdatedSlice)).WithConcurrency(50)

	for index := range bucketsToBeUpdatedSlice {
		g.Go(func() error {
			return globalDNSConfig.Put(bucketsToBeUpdatedSlice[index])
		}, index)
	}

	ctx := GlobalContext

	defer multiDeleteLock.Unlock(lkctx)

	dObjectsByPool := make([][]DeletedObject, len(z.serverPools))
	dErrsByPool := make([][]error, len(z.serverPools))

	eg := errgroup.WithNErrs(len(z.serverPools)).WithConcurrency(len(z.serverPools))
	for i, pool := range z.serverPools {
		pool := pool
		eg.Go(func() error {
			dObjectsByPool[i], dErrsByPool[i] = pool.DeleteObjects(ctx, bucket, objects, opts)
			return nil
		}, i)

		// rely on user policy for access, instead of fallback.
		return nil, nil
	}

	var mu sync.Mutex

	// no mappings found, fallback for all groups.
	g := errgroup.WithNErrs(len(groups)).WithConcurrency(10) // load like 10 groups at a time.

	for index := range groups {
		g.Go(func() error {
			err := store.loadMappedPolicy(context.TODO(), groups[index], regUser, true, c.iamGroupPolicyMap)