t.Errorf("Unexpected number of drives: %d", len(filteredDisks))
	}
	for diskIndex, disk := range filteredDisks {
		if diskIndex == 0 && disk != nil {
			t.Errorf("Drive not filtered as expected, drive: %d", diskIndex)
		}
		if diskIndex != 0 && disk == nil {
			t.Errorf("Drive erroneously filtered, driveIndex: %d", diskIndex)
		}
	}
	partsMetadata[0] = partsMetadataBackup // Revert before going to the next test

				return
			}
		case "SetIndex":
			z.SetIndex, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "SetIndex")
				return
			}
		case "DiskIndex":
			z.DiskIndex, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "DiskIndex")
				return
			}
		case "Path":
			z.Path, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Path")
				return
			}

	if h.disk.Healing() == nil {
		return fmt.Errorf("healingTracker: drive %q is not marked as healing", h.ID)
	}
	h.mu.Lock()
	if h.ID == "" || h.PoolIndex < 0 || h.SetIndex < 0 || h.DiskIndex < 0 {
		h.ID, _ = h.disk.GetDiskID()
		h.PoolIndex, h.SetIndex, h.DiskIndex = h.disk.GetDiskLoc()
	}
	h.mu.Unlock()
	return h.save(ctx)
}

// save will unconditionally save the tracker and will be created if not existing.

		// Ignore invalid.
		if disk.PoolIndex < 0 || len(s.Backend.StandardSCData) <= disk.PoolIndex {
			// https://github.com/minio/minio/issues/16500
			continue
		}
		// Ignore parity disks
		if disk.DiskIndex < s.Backend.StandardSCData[disk.PoolIndex] {
			capacity += disk.TotalSpace
		}
	}
	return
}

// GetTotalCapacityFree gets the total capacity free in the cluster.

					s.erasureDisksMu.Unlock()
					return
				}
				s.erasureDisks[setIndex][diskIndex].Close()
			}

			disk.SetDiskID(format.Erasure.This)
			s.erasureDisks[setIndex][diskIndex] = disk

			if disk.IsLocal() {
				globalLocalDrivesMu.Lock()
				if globalIsDistErasure {
					globalLocalSetDrives[s.poolIndex][setIndex][diskIndex] = disk
				}
				for i, ldisk := range globalLocalDrives {

		labels := []string{
			driveL, disk.DrivePath,
			poolIndexL, strconv.Itoa(disk.PoolIndex),
			setIndexL, strconv.Itoa(disk.SetIndex),
			driveIndexL, strconv.Itoa(disk.DiskIndex),
		}

		m.setDriveBasicMetrics(disk, labels)
		if dm, found := driveMetrics.ioStats[disk.DrivePath]; found {
			m.setDriveIOStatMetrics(dm, labels)
		}
		m.setDriveAPIMetrics(disk, labels)
	}

		a, b := &disks[i], &disks[j]
		if a.PoolIndex != b.PoolIndex {
			return a.PoolIndex < b.PoolIndex
		}
		if a.SetIndex != b.SetIndex {
			return a.SetIndex < b.SetIndex
		}
		return a.DiskIndex < b.DiskIndex
	})
}

// getLocalHealingDisks returns local healing disks indexed by endpoint.
func (ahs *allHealState) getLocalHealingDisks() map[string]madmin.HealingDisk {
	ahs.RLock()
	defer ahs.RUnlock()

		index := index
		g.Go(func() error {
			di := madmin.Disk{
				Endpoint:  endpoints[index].String(),
				PoolIndex: endpoints[index].PoolIdx,
				SetIndex:  endpoints[index].SetIdx,
				DiskIndex: endpoints[index].DiskIdx,
				Local:     endpoints[index].IsLocal,
			}
			if disks[index] == OfflineDisk {
				di.State = diskErrToDriveState(errDiskNotFound)
				disksInfo[index] = di
				return nil
			}

				offlineDisks = append(offlineDisks, madmin.Disk{
					Endpoint:  ep.String(),
					State:     string(madmin.ItemOffline),
					PoolIndex: ep.PoolIdx,
					SetIndex:  ep.SetIdx,
					DiskIndex: ep.DiskIdx,
				})
			}
		}
	}
	return offlineDisks
}

// StorageInfo returns disk information across all peers