erasureSetOverallHealth      = "overall_health"
	erasureSetReadQuorum         = "read_quorum"
	erasureSetWriteQuorum        = "write_quorum"
	erasureSetOnlineDrivesCount  = "online_drives_count"
	erasureSetHealingDrivesCount = "healing_drives_count"
	erasureSetHealth             = "health"
)

const (
	poolIDL = "pool_id"
	setIDL  = "set_id"
)

var (

package cmd

import "context"

const (
	healthDrivesOfflineCount = "drives_offline_count"
	healthDrivesOnlineCount  = "drives_online_count"
	healthDrivesCount        = "drives_count"
)

var (
	healthDrivesOfflineCountMD = NewGaugeMD(healthDrivesOfflineCount,
		"Count of offline drives in the cluster")
	healthDrivesOnlineCountMD = NewGaugeMD(healthDrivesOnlineCount,

| `minio_cluster_erasure_set_online_drives_count`  | `gauge` | Count of online drives in the erasure set in a pool           | `pool_id,set_id` |
| `minio_cluster_erasure_set_healing_drives_count` | `gauge` | Count of healing drives in the erasure set in a pool          | `pool_id,set_id` |

		}
		// Set env var for test case 6
		if i+1 == 6 {
			scfg.Standard.Parity = 7
		}
		parity := scfg.GetParityForSC(tt.sc)
		if (tt.drivesCount - parity) != tt.expectedData {
			t.Errorf("Test %d, Expected data drives %d, got %d", i+1, tt.expectedData, tt.drivesCount-parity)
			continue
		}
		if parity != tt.expectedParity {
			t.Errorf("Test %d, Expected parity drives %d, got %d", i+1, tt.expectedParity, parity)
		}

	driveAPILatencyMicros        = "api_latency_micros"
	driveHealing                 = "healing"
	driveOnline                  = "online"

	driveOfflineCount = "offline_count"
	driveOnlineCount  = "online_count"
	driveCount        = "count"

	// iostat related
	driveReadsPerSec    = "reads_per_sec"
	driveReadsKBPerSec  = "reads_kb_per_sec"
	driveReadsAwait     = "reads_await"
	driveWritesPerSec   = "writes_per_sec"

		if legacy {
			// ram_per_request is (1MiB+32KiB) * driveCount \
			//    + 2 * 10MiB (default erasure block size v1) + 2 * 1MiB (default erasure block size v2)
			apiRequestsMaxPerNode = int(maxMem / uint64(maxSetDrives*blockSize+int(blockSizeV1*2+blockSizeV2*2)))
		} else {
			// ram_per_request is (1MiB+32KiB) * driveCount \
			//    + 2 * 1MiB (default erasure block size v2)

// acceptable quorum expected for list operations
func getListQuorum(quorum string, driveCount int) int {
	switch quorum {
	case "disk":
		return 1
	case "reduced":
		return 2
	case "optimal":
		return (driveCount + 1) / 2
	case "auto":
		return -1
	}
	// defaults to 'strict'
	return driveCount
}

			return err
		}

		pools = make([]poolArgs, 0, len(cf.Pools))
		for _, list := range cf.Pools {
			driveCount := list.SetDriveCount
			if setDriveCount > 0 {
				driveCount = setDriveCount
			}
			pools = append(pools, poolArgs{
				args:          list.Args,
				setDriveCount: driveCount,
			})
		}
	}
	ctxt.Layout, err = buildDisksLayoutFromConfFile(pools)
	return err
}