DAOS-16209 control: Add MD-on-SSD resp flag for display mode

src/control/cmd/daos/pretty/pool.go

@@ -1,5 +1,6 @@
 //
 // (C) Copyright 2020-2024 Intel Corporation.
+// (C) Copyright 2025 Hewlett Packard Enterprise Development LP
 //
 // SPDX-License-Identifier: BSD-2-Clause-Patent
 //
@@ -20,36 +21,44 @@ import (
 
 const msgNoPools = "No pools in system"
 
-func printPoolTiers(memFileBytes uint64, suss []*daos.StorageUsageStats, w *txtfmt.ErrWriter, fullStats bool) {
-	mdOnSSD := memFileBytes != 0
+func printPoolTierStats(tierStats *daos.StorageUsageStats, w *txtfmt.ErrWriter, fullStats bool) {
+	fmt.Fprintf(w, "  Total size: %s\n", humanize.Bytes(tierStats.Total))
+	if fullStats {
+		fmt.Fprintf(w, "  Free: %s, min:%s, max:%s, mean:%s\n",
+			humanize.Bytes(tierStats.Free), humanize.Bytes(tierStats.Min),
+			humanize.Bytes(tierStats.Max), humanize.Bytes(tierStats.Mean))
+		return
+	}
+
+	fmt.Fprintf(w, "  Free: %s\n", humanize.Bytes(tierStats.Free))
+}
+
+func printPoolTiersPMem(suss []*daos.StorageUsageStats, w *txtfmt.ErrWriter, fullStats bool) {
 	for tierIdx, tierStats := range suss {
-		if mdOnSSD {
-			if tierIdx == 0 {
-				if fullStats {
-					fmt.Fprintf(w, "- Total memory-file size: %s\n",
-						humanize.Bytes(memFileBytes))
-				}
-				fmt.Fprintf(w, "- Metadata storage:\n")
-			} else {
-				fmt.Fprintf(w, "- Data storage:\n")
-			}
-		} else {
-			if tierIdx >= int(daos.StorageMediaTypeMax) {
-				// Print unknown type tiers.
-				tierStats.MediaType = daos.StorageMediaTypeMax
-			}
-			fmt.Fprintf(w, "- Storage tier %d (%s):\n", tierIdx,
-				strings.ToUpper(tierStats.MediaType.String()))
+		if tierIdx >= int(daos.StorageMediaTypeMax) {
+			// Print unknown type tiers.
+			tierStats.MediaType = daos.StorageMediaTypeMax
 		}
+		fmt.Fprintf(w, "- Storage tier %d (%s):\n", tierIdx,
+			strings.ToUpper(tierStats.MediaType.String()))
+
+		printPoolTierStats(tierStats, w, fullStats)
+	}
+}
 
-		fmt.Fprintf(w, "  Total size: %s\n", humanize.Bytes(tierStats.Total))
-		if fullStats {
-			fmt.Fprintf(w, "  Free: %s, min:%s, max:%s, mean:%s\n",
-				humanize.Bytes(tierStats.Free), humanize.Bytes(tierStats.Min),
-				humanize.Bytes(tierStats.Max), humanize.Bytes(tierStats.Mean))
+func printPoolTiersMdOnSsd(memFileBytes uint64, suss []*daos.StorageUsageStats, w *txtfmt.ErrWriter, fullStats bool) {
+	for tierIdx, tierStats := range suss {
+		if tierIdx == 0 {
+			if fullStats {
+				fmt.Fprintf(w, "- Total memory-file size: %s\n",
+					humanize.Bytes(memFileBytes))
+			}
+			fmt.Fprintf(w, "- Metadata storage:\n")
 		} else {
-			fmt.Fprintf(w, "  Free: %s\n", humanize.Bytes(tierStats.Free))
+			fmt.Fprintf(w, "- Data storage:\n")
 		}
+
+		printPoolTierStats(tierStats, w, fullStats)
 	}
 }
 
@@ -94,7 +103,11 @@ func PrintPoolInfo(pi *daos.PoolInfo, out io.Writer) error {
 	if pi.QueryMask.HasOption(daos.PoolQueryOptionSpace) && pi.TierStats != nil {
 		fmt.Fprintln(w, "Pool space info:")
 		fmt.Fprintf(w, "- Target count:%d\n", pi.ActiveTargets)
-		printPoolTiers(pi.MemFileBytes, pi.TierStats, w, true)
+		if pi.MdOnSsdActive {
+			printPoolTiersMdOnSsd(pi.MemFileBytes, pi.TierStats, w, true)
+		} else {
+			printPoolTiersPMem(pi.TierStats, w, true)
+		}
 	}
 	return w.Err
 }
@@ -110,7 +123,11 @@ func PrintPoolQueryTargetInfo(pqti *daos.PoolQueryTargetInfo, out io.Writer) err
 	// Maintain output compatibility with the `daos pool query-targets` output.
 	fmt.Fprintf(w, "Target: type %s, state %s\n", pqti.Type, pqti.State)
 	if pqti.Space != nil {
-		printPoolTiers(pqti.MemFileBytes, pqti.Space, w, false)
+		if pqti.MdOnSsdActive {
+			printPoolTiersMdOnSsd(pqti.MemFileBytes, pqti.Space, w, false)
+		} else {
+			printPoolTiersPMem(pqti.Space, w, false)
+		}
 	}
 
 	return w.Err
@@ -291,7 +308,7 @@ func printVerbosePoolList(pools []*daos.PoolInfo, out io.Writer) error {
 		if pool.QueryMask.HasOption(daos.PoolQueryOptionSpace) {
 			hasSpaceQuery = true
 			// All pools will have the same PMem/MD-on-SSD mode.
-			hasMdOnSsd = pool.MemFileBytes != 0
+			hasMdOnSsd = pool.MdOnSsdActive
 		}
 		if pool.QueryMask.HasOption(daos.PoolQueryOptionRebuild) {
 			hasRebuildQuery = true

src/control/cmd/daos/pretty/pool_test.go

@@ -1,5 +1,6 @@
 //
 // (C) Copyright 2020-2024 Intel Corporation.
+// (C) Copyright 2025 Hewlett Packard Enterprise Development LP
 //
 // SPDX-License-Identifier: BSD-2-Clause-Patent
 //
@@ -291,6 +292,7 @@ Pool space info:
 						MediaType: daos.StorageMediaTypeNvme,
 					},
 				},
+				MemFileBytes: humanize.GiByte,
 			},
 			expPrintStr: fmt.Sprintf(`
 Pool %s, ntarget=2, disabled=1, leader=42, version=100, state=Degraded
@@ -336,7 +338,8 @@ Pool space info:
 						MediaType: daos.StorageMediaTypeNvme,
 					},
 				},
-				MemFileBytes: 1,
+				MemFileBytes:  humanize.GiByte,
+				MdOnSsdActive: true,
 			},
 			expPrintStr: fmt.Sprintf(`
 Pool %s, ntarget=2, disabled=1, leader=42, version=100, state=Degraded
@@ -345,7 +348,7 @@ Pool health info:
 - Rebuild busy, 42 objs, 21 recs
 Pool space info:
 - Target count:1
-- Total memory-file size: 1 B
+- Total memory-file size: 1.1 GB
 - Metadata storage:
   Total size: 2 B
   Free: 1 B, min:0 B, max:0 B, mean:0 B
@@ -528,6 +531,7 @@ Target: type unknown, state new
 						MediaType: daos.StorageMediaTypeNvme,
 					},
 				},
+				MemFileBytes: 3000000000,
 			},
 			expPrintStr: `
 Target: type unknown, state drain
@@ -555,7 +559,8 @@ Target: type unknown, state drain
 						MediaType: daos.StorageMediaTypeNvme,
 					},
 				},
-				MemFileBytes: 3000000000,
+				MemFileBytes:  3000000000,
+				MdOnSsdActive: true,
 			},
 			expPrintStr: `
 Target: type unknown, state down_out
@@ -861,7 +866,8 @@ two   00000002-0002-0002-0002-000000000002 Destroying [3-5]   100 GB   80 GB
 					Rebuild: &daos.PoolRebuildStatus{
 						State: daos.PoolRebuildStateBusy,
 					},
-					QueryMask: daos.DefaultPoolQueryMask,
+					QueryMask:    daos.DefaultPoolQueryMask,
+					MemFileBytes: 1,
 				},
 			},
 			verbose: true,
@@ -872,7 +878,7 @@ one   00000001-0001-0001-0001-000000000001 Degraded [0-2]   100 GB   80 GB    8%
 
 `,
 		},
-		"verbose; one pool; mdonssd": {
+		"verbose; one pool; MD-on-SSD": {
 			pools: []*daos.PoolInfo{
 				{
 					Label:            "one",
@@ -888,8 +894,9 @@ one   00000001-0001-0001-0001-000000000001 Degraded [0-2]   100 GB   80 GB    8%
 					Rebuild: &daos.PoolRebuildStatus{
 						State: daos.PoolRebuildStateDone,
 					},
-					QueryMask:    daos.DefaultPoolQueryMask,
-					MemFileBytes: 1,
+					QueryMask:     daos.DefaultPoolQueryMask,
+					MemFileBytes:  1,
+					MdOnSsdActive: true,
 				},
 			},
 			verbose: true,

src/control/cmd/dmg/pretty/pool.go

@@ -1,5 +1,6 @@
 //
 // (C) Copyright 2020-2024 Intel Corporation.
+// (C) Copyright 2025 Hewlett Packard Enterprise Development LP
 //
 // SPDX-License-Identifier: BSD-2-Clause-Patent
 //
@@ -76,7 +77,7 @@ func getPoolCreateRespRows(tierBytes []uint64, tierRatios []float64, numRanks in
 	return
 }
 
-func getPoolCreateRespRowsMDOnSSD(tierBytes []uint64, tierRatios []float64, numRanks int, memFileBytes uint64) (title string, rows []txtfmt.TableRow) {
+func getPoolCreateRespRowsMdOnSsd(tierBytes []uint64, tierRatios []float64, numRanks int, memFileBytes uint64) (title string, rows []txtfmt.TableRow) {
 	title = "Pool created with "
 	tierName := "Metadata"
 
@@ -137,8 +138,8 @@ func PrintPoolCreateResponse(pcr *control.PoolCreateResp, out io.Writer, opts ..
 
 	var title string
 	var tierRows []txtfmt.TableRow
-	if pcr.MemFileBytes > 0 {
-		title, tierRows = getPoolCreateRespRowsMDOnSSD(pcr.TierBytes, tierRatios, numRanks,
+	if pcr.MdOnSsdActive {
+		title, tierRows = getPoolCreateRespRowsMdOnSsd(pcr.TierBytes, tierRatios, numRanks,
 			pcr.MemFileBytes)
 	} else {
 		title, tierRows = getPoolCreateRespRows(pcr.TierBytes, tierRatios, numRanks)

src/control/cmd/dmg/pretty/pool_test.go

@@ -1,5 +1,6 @@
 //
 // (C) Copyright 2020-2024 Intel Corporation.
+// (C) Copyright 2025 Hewlett Packard Enterprise Development LP
 //
 // SPDX-License-Identifier: BSD-2-Clause-Patent
 //
@@ -353,6 +354,7 @@ func TestPretty_PrintPoolCreateResp(t *testing.T) {
 					600 * humanize.MByte,
 					10 * humanize.GByte,
 				},
+				MemFileBytes: 300 * humanize.MByte,
 			},
 			expPrintStr: fmt.Sprintf(`
 Pool created with 5.66%%,94.34%% storage tier ratio
@@ -367,7 +369,7 @@ Pool created with 5.66%%,94.34%% storage tier ratio
 
 `, test.MockPoolUUID()),
 		},
-		"basic; md-on-ssd": {
+		"basic; MD-on-SSD": {
 			pcr: &control.PoolCreateResp{
 				UUID:     test.MockUUID(),
 				SvcReps:  mockRanks(0, 1, 2),
@@ -376,7 +378,8 @@ Pool created with 5.66%%,94.34%% storage tier ratio
 					600 * humanize.MByte,
 					10 * humanize.GByte,
 				},
-				MemFileBytes: 300 * humanize.MByte, // Non-zero indicates MD-on-SSD.
+				MemFileBytes:  300 * humanize.MByte,
+				MdOnSsdActive: true,
 			},
 			expPrintStr: fmt.Sprintf(`
 Pool created with 5.66%%,94.34%% storage tier ratio