diff --git a/deploy/charts/rook-ceph/templates/resources.yaml b/deploy/charts/rook-ceph/templates/resources.yaml
index 8d6016ea9..28ac9cf7d 100644
--- a/deploy/charts/rook-ceph/templates/resources.yaml
+++ b/deploy/charts/rook-ceph/templates/resources.yaml
@@ -572,6 +572,7 @@ spec:
                       type: string
                     targetSizeRatio:
                       description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                      minimum: 0
                       type: number
                   required:
                     - size
@@ -7406,6 +7407,7 @@ spec:
                             type: string
                           targetSizeRatio:
                             description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                            minimum: 0
                             type: number
                         required:
                           - size
@@ -7594,6 +7596,7 @@ spec:
                           type: string
                         targetSizeRatio:
                           description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                          minimum: 0
                           type: number
                       required:
                         - size
@@ -11258,6 +11261,7 @@ spec:
                           type: string
                         targetSizeRatio:
                           description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                          minimum: 0
                           type: number
                       required:
                         - size
@@ -12858,6 +12862,7 @@ spec:
                           type: string
                         targetSizeRatio:
                           description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                          minimum: 0
                           type: number
                       required:
                         - size
@@ -13817,6 +13822,7 @@ spec:
                           type: string
                         targetSizeRatio:
                           description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                          minimum: 0
                           type: number
                       required:
                         - size
@@ -14000,6 +14006,7 @@ spec:
                           type: string
                         targetSizeRatio:
                           description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                          minimum: 0
                           type: number
                       required:
                         - size
diff --git a/deploy/examples/crds.yaml b/deploy/examples/crds.yaml
index 7b12caf94..d34ad9a60 100644
--- a/deploy/examples/crds.yaml
+++ b/deploy/examples/crds.yaml
@@ -574,6 +574,7 @@ spec:
                       type: string
                     targetSizeRatio:
                       description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                      minimum: 0
                       type: number
                   required:
                     - size
@@ -7401,6 +7402,7 @@ spec:
                             type: string
                           targetSizeRatio:
                             description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                            minimum: 0
                             type: number
                         required:
                           - size
@@ -7589,6 +7591,7 @@ spec:
                           type: string
                         targetSizeRatio:
                           description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                          minimum: 0
                           type: number
                       required:
                         - size
@@ -11249,6 +11252,7 @@ spec:
                           type: string
                         targetSizeRatio:
                           description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                          minimum: 0
                           type: number
                       required:
                         - size
@@ -12849,6 +12853,7 @@ spec:
                           type: string
                         targetSizeRatio:
                           description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                          minimum: 0
                           type: number
                       required:
                         - size
@@ -13805,6 +13810,7 @@ spec:
                           type: string
                         targetSizeRatio:
                           description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                          minimum: 0
                           type: number
                       required:
                         - size
@@ -13988,6 +13994,7 @@ spec:
                           type: string
                         targetSizeRatio:
                           description: TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+                          minimum: 0
                           type: number
                       required:
                         - size
diff --git a/pkg/apis/ceph.rook.io/v1/pool.go b/pkg/apis/ceph.rook.io/v1/pool.go
index 2ebe92374..a3653f04d 100644
--- a/pkg/apis/ceph.rook.io/v1/pool.go
+++ b/pkg/apis/ceph.rook.io/v1/pool.go
@@ -32,14 +32,6 @@ func (p *PoolSpec) IsHybridStoragePool() bool {
 	return p.Replicated.HybridStorage != nil
 }
 
-func (p *PoolSpec) IsCompressionEnabled() bool {
-	return p.CompressionMode != ""
-}
-
-func (p *ReplicatedSpec) IsTargetRatioEnabled() bool {
-	return p.TargetSizeRatio != 0
-}
-
 // ValidateCephBlockPool validates specifically a CephBlockPool's spec (not just any NamedPoolSpec)
 func ValidateCephBlockPool(p *CephBlockPool) error {
 	if p.Spec.Name == ".rgw.root" || p.Spec.Name == ".mgr" || p.Spec.Name == ".nfs" {
diff --git a/pkg/apis/ceph.rook.io/v1/types.go b/pkg/apis/ceph.rook.io/v1/types.go
index 2aca1344f..04bd2ed25 100755
--- a/pkg/apis/ceph.rook.io/v1/types.go
+++ b/pkg/apis/ceph.rook.io/v1/types.go
@@ -1159,6 +1159,7 @@ type ReplicatedSpec struct {
 	Size uint `json:"size"`
 
 	// TargetSizeRatio gives a hint (%) to Ceph in terms of expected consumption of the total cluster capacity
+	// +kubebuilder:validation:Minimum=0
 	// +optional
 	TargetSizeRatio float64 `json:"targetSizeRatio,omitempty"`
 
diff --git a/pkg/daemon/ceph/client/pool.go b/pkg/daemon/ceph/client/pool.go
index 036730b99..e4ab2c5a9 100644
--- a/pkg/daemon/ceph/client/pool.go
+++ b/pkg/daemon/ceph/client/pool.go
@@ -326,11 +326,11 @@ func setCommonPoolProperties(context *clusterd.Context, clusterInfo *ClusterInfo
 		pool.Parameters = make(map[string]string)
 	}
 
-	if pool.Replicated.IsTargetRatioEnabled() {
+	if _, ok := pool.Parameters[targetSizeRatioProperty]; !ok {
 		pool.Parameters[targetSizeRatioProperty] = strconv.FormatFloat(pool.Replicated.TargetSizeRatio, 'f', -1, 32)
 	}
 
-	if pool.IsCompressionEnabled() {
+	if _, ok := pool.Parameters[CompressionModeProperty]; !ok && pool.CompressionMode != "" {
 		pool.Parameters[CompressionModeProperty] = pool.CompressionMode
 	}
 
diff --git a/pkg/operator/ceph/file/filesystem_test.go b/pkg/operator/ceph/file/filesystem_test.go
index bd4661873..1e9d24c5b 100644
--- a/pkg/operator/ceph/file/filesystem_test.go
+++ b/pkg/operator/ceph/file/filesystem_test.go
@@ -308,6 +308,22 @@ func fsExecutor(t *testing.T, fsName, configDir string, multiFS bool, createData
 				return "", nil
 			} else if reflect.DeepEqual(args[0:6], []string{"osd", "pool", "set", fsName + "-data1", "size", "1"}) {
 				return "", nil
+			} else if reflect.DeepEqual(args[0:6], []string{"osd", "pool", "set", fsName + "-metadata", "target_size_ratio", "0"}) {
+				return "", nil
+			} else if reflect.DeepEqual(args[0:6], []string{"osd", "pool", "set", fsName + "-data0", "target_size_ratio", "0"}) {
+				return "", nil
+			} else if reflect.DeepEqual(args[0:6], []string{"osd", "pool", "set", fsName + "-data1", "target_size_ratio", "0"}) {
+				return "", nil
+			} else if reflect.DeepEqual(args[0:6], []string{"osd", "pool", "set", fsName + "-named-pool", "target_size_ratio", "0"}) {
+				return "", nil
+			} else if reflect.DeepEqual(args[0:6], []string{"osd", "pool", "set", fsName + "-metadata", "compression_mode", ""}) {
+				return "", nil
+			} else if reflect.DeepEqual(args[0:6], []string{"osd", "pool", "set", fsName + "-data0", "compression_mode", ""}) {
+				return "", nil
+			} else if reflect.DeepEqual(args[0:6], []string{"osd", "pool", "set", fsName + "-data1", "compression_mode", ""}) {
+				return "", nil
+			} else if reflect.DeepEqual(args[0:6], []string{"osd", "pool", "set", fsName + "-named-pool", "compression_mode", ""}) {
+				return "", nil
 			} else if reflect.DeepEqual(args[0:4], []string{"fs", "add_data_pool", fsName, fsName + "-data1"}) {
 				*addDataPoolCount++
 				return "", nil