diff --git a/controller/backing_image_controller.go b/controller/backing_image_controller.go
index 09bda997d3..d2c37635ee 100644
--- a/controller/backing_image_controller.go
+++ b/controller/backing_image_controller.go
@@ -663,7 +663,28 @@ func (bic *BackingImageController) syncBackingImageFileInfo(bi *longhorn.Backing
 				bic.eventRecorder.Eventf(bi, corev1.EventTypeNormal, constant.EventReasonUpdate, "Set size to %v", bi.Status.Size)
 			}
 			if bi.Status.Size != info.Size {
-				return fmt.Errorf("found mismatching size %v reported by backing image manager %v in disk %v, the size recorded in status is %v", info.Size, bim.Name, bim.Spec.DiskUUID, bi.Status.Size)
+				if bi.Status.DiskFileStatusMap[bim.Spec.DiskUUID].State != longhorn.BackingImageStateFailed {
+					msg := fmt.Sprintf("found mismatching size %v reported by backing image manager %v in disk %v, the size recorded in status is %v",
+						info.Size, bim.Name, bim.Spec.DiskUUID, bi.Status.Size)
+					log.Error(msg)
+					bi.Status.DiskFileStatusMap[bim.Spec.DiskUUID].State = longhorn.BackingImageStateFailed
+					bi.Status.DiskFileStatusMap[bim.Spec.DiskUUID].Message = msg
+				}
+			}
+		}
+		if info.VirtualSize > 0 {
+			if bi.Status.VirtualSize == 0 {
+				bi.Status.VirtualSize = info.VirtualSize
+				bic.eventRecorder.Eventf(bi, corev1.EventTypeNormal, constant.EventReasonUpdate, "Set virtualSize to %v", bi.Status.VirtualSize)
+			}
+			if bi.Status.VirtualSize != info.VirtualSize {
+				if bi.Status.DiskFileStatusMap[bim.Spec.DiskUUID].State != longhorn.BackingImageStateFailed {
+					msg := fmt.Sprintf("found mismatching virtualSize %v reported by backing image manager %v in disk %v, the virtualSize recorded in status is %v",
+						info.VirtualSize, bim.Name, bim.Spec.DiskUUID, bi.Status.VirtualSize)
+					log.Error(msg)
+					bi.Status.DiskFileStatusMap[bim.Spec.DiskUUID].State = longhorn.BackingImageStateFailed
+					bi.Status.DiskFileStatusMap[bim.Spec.DiskUUID].Message = msg
+				}
 			}
 		}
 	}
diff --git a/engineapi/backing_image_manager.go b/engineapi/backing_image_manager.go
index 3b7701788c..539a3b93b0 100644
--- a/engineapi/backing_image_manager.go
+++ b/engineapi/backing_image_manager.go
@@ -54,9 +54,10 @@ func (c *BackingImageManagerClient) parseBackingImageFileInfo(bi *bimapi.Backing
 		return nil
 	}
 	return &longhorn.BackingImageFileInfo{
-		Name: bi.Name,
-		UUID: bi.UUID,
-		Size: bi.Size,
+		Name:        bi.Name,
+		UUID:        bi.UUID,
+		Size:        bi.Size,
+		VirtualSize: bi.VirtualSize,
 
 		State:                longhorn.BackingImageState(bi.Status.State),
 		CurrentChecksum:      bi.Status.CurrentChecksum,
diff --git a/go.mod b/go.mod
index 00cf3c5ed5..6ea6c01a38 100644
--- a/go.mod
+++ b/go.mod
@@ -44,7 +44,7 @@ require (
 	github.com/gorilla/websocket v1.5.1
 	github.com/jinzhu/copier v0.3.5
 	github.com/kubernetes-csi/csi-lib-utils v0.6.1
-	github.com/longhorn/backing-image-manager v1.6.0
+	github.com/longhorn/backing-image-manager v1.7.0-dev.0.20240326182459-c5288d745f4a
 	github.com/longhorn/backupstore v0.0.0-20240219094812-3a87ee02df77
 	github.com/longhorn/go-common-libs v0.0.0-20240319112414-b75404dc7fbc
 	github.com/longhorn/go-iscsi-helper v0.0.0-20240308033847-bc3aab599425
@@ -104,7 +104,7 @@ require (
 require (
 	github.com/Microsoft/go-winio v0.6.1 // indirect
 	github.com/NYTimes/gziphandler v1.1.1 // indirect
-	github.com/RoaringBitmap/roaring v1.9.0 // indirect
+	github.com/RoaringBitmap/roaring v1.9.1 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a // indirect
 	github.com/avast/retry-go v3.0.0+incompatible
 	github.com/beorn7/perks v1.0.1 // indirect
diff --git a/go.sum b/go.sum
index b3f91f24d3..ecb997abf0 100644
--- a/go.sum
+++ b/go.sum
@@ -614,6 +614,8 @@ github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMo
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/RoaringBitmap/roaring v1.9.0 h1:lwKhr90/j0jVXJyh5X+vQN1VVn77rQFfYnh6RDRGCcE=
 github.com/RoaringBitmap/roaring v1.9.0/go.mod h1:6AXUsoIEzDTFFQCe1RbGA6uFONMhvejWj5rqITANK90=
+github.com/RoaringBitmap/roaring v1.9.1 h1:LXcSqGGGMKm+KAzUyWn7ZeREqoOkoMX+KwLOK1thc4I=
+github.com/RoaringBitmap/roaring v1.9.1/go.mod h1:6AXUsoIEzDTFFQCe1RbGA6uFONMhvejWj5rqITANK90=
 github.com/ajstarks/deck v0.0.0-20200831202436-30c9fc6549a9/go.mod h1:JynElWSGnm/4RlzPXRlREEwqTHAN3T56Bv2ITsFT3gY=
 github.com/ajstarks/deck/generate v0.0.0-20210309230005-c3f852c02e19/go.mod h1:T13YZdzov6OU0A1+RfKZiZN9ca6VeKdBdyDV+BY97Tk=
 github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
@@ -1045,6 +1047,8 @@ github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de h1:9TO3cAIGXtEhn
 github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de/go.mod h1:zAbeS9B/r2mtpb6U+EI2rYA5OAXxsYw6wTamcNW+zcE=
 github.com/longhorn/backing-image-manager v1.6.0 h1:Jmlc8+W63l0VZoVhPwNLniAk+eBC4CNaadoqpqA51KE=
 github.com/longhorn/backing-image-manager v1.6.0/go.mod h1:IH0mgbK+Dr13xkY+LhDaufyd9YIpiKqYo1AeRLFYGrk=
+github.com/longhorn/backing-image-manager v1.7.0-dev.0.20240326182459-c5288d745f4a h1:Z/vdszQazSZJ51IlJvtEuDViNn6AShJx6xGcOwwa9Ho=
+github.com/longhorn/backing-image-manager v1.7.0-dev.0.20240326182459-c5288d745f4a/go.mod h1:LuPH4YQ7+phuzSXEPT8b1/iBUsOvmnsCaogU4EImy+k=
 github.com/longhorn/backupstore v0.0.0-20240219094812-3a87ee02df77 h1:iJRq59kA22f9HIjFtY/lz5rKCorZJrrYXju70XoWdmE=
 github.com/longhorn/backupstore v0.0.0-20240219094812-3a87ee02df77/go.mod h1:4cbJWtlrD2cGTQxQLtdlPTYopiJiusXH7CpOBrn/s3k=
 github.com/longhorn/go-common-libs v0.0.0-20240319112414-b75404dc7fbc h1:Eh9Npc5yBcVD8E4zVQIGUtC62HcfqevrHjQ2kh7fJ/E=
diff --git a/k8s/crds.yaml b/k8s/crds.yaml
index 64851fe1bb..c11ff6ab26 100644
--- a/k8s/crds.yaml
+++ b/k8s/crds.yaml
@@ -315,6 +315,9 @@ spec:
                       type: string
                     uuid:
                       type: string
+                    virtualSize:
+                      format: int64
+                      type: integer
                   type: object
                 nullable: true
                 type: object
@@ -413,6 +416,10 @@ spec:
       jsonPath: .status.size
       name: Size
       type: string
+    - description: The virtual size of the image (may be larger than file size)
+      jsonPath: .status.virtualSize
+      name: VirtualSize
+      type: string
     - jsonPath: .metadata.creationTimestamp
       name: Age
       type: date
@@ -481,6 +488,10 @@ spec:
                 type: integer
               uuid:
                 type: string
+              virtualSize:
+                description: Virtual size of image, which may be larger than physical size. Will be zero until known (e.g. while a backing image is uploading)
+                format: int64
+                type: integer
             type: object
         type: object
     served: true
diff --git a/k8s/pkg/apis/longhorn/v1beta2/backingimage.go b/k8s/pkg/apis/longhorn/v1beta2/backingimage.go
index 15cf0c12a3..a68fc3e2d4 100644
--- a/k8s/pkg/apis/longhorn/v1beta2/backingimage.go
+++ b/k8s/pkg/apis/longhorn/v1beta2/backingimage.go
@@ -56,6 +56,9 @@ type BackingImageStatus struct {
 	UUID string `json:"uuid"`
 	// +optional
 	Size int64 `json:"size"`
+	// Virtual size of image, which may be larger than physical size. Will be zero until known (e.g. while a backing image is uploading)
+	// +optional
+	VirtualSize int64 `json:"virtualSize"`
 	// +optional
 	Checksum string `json:"checksum"`
 	// +optional
@@ -74,6 +77,7 @@ type BackingImageStatus struct {
 // +kubebuilder:printcolumn:name="UUID",type=string,JSONPath=`.status.uuid`,description="The system generated UUID"
 // +kubebuilder:printcolumn:name="SourceType",type=string,JSONPath=`.spec.sourceType`,description="The source of the backing image file data"
 // +kubebuilder:printcolumn:name="Size",type=string,JSONPath=`.status.size`,description="The backing image file size in each disk"
+// +kubebuilder:printcolumn:name="VirtualSize",type=string,JSONPath=`.status.virtualSize`,description="The virtual size of the image (may be larger than file size)"
 // +kubebuilder:printcolumn:name="Age",type=date,JSONPath=`.metadata.creationTimestamp`
 
 // BackingImage is where Longhorn stores backing image object.
diff --git a/k8s/pkg/apis/longhorn/v1beta2/backingimagemanager.go b/k8s/pkg/apis/longhorn/v1beta2/backingimagemanager.go
index a7dfa00073..303b2f81ae 100644
--- a/k8s/pkg/apis/longhorn/v1beta2/backingimagemanager.go
+++ b/k8s/pkg/apis/longhorn/v1beta2/backingimagemanager.go
@@ -20,6 +20,8 @@ type BackingImageFileInfo struct {
 	// +optional
 	Size int64 `json:"size"`
 	// +optional
+	VirtualSize int64 `json:"virtualSize"`
+	// +optional
 	State BackingImageState `json:"state"`
 	// +optional
 	CurrentChecksum string `json:"currentChecksum"`
diff --git a/scripts/validate b/scripts/validate
index e183835743..6ee550bd30 100755
--- a/scripts/validate
+++ b/scripts/validate
@@ -22,7 +22,7 @@ elif [ ! -z "${DRONE_COMMIT_REF}" ]; then
 	echo "Running: golangci-lint run --new-from-rev=${DRONE_COMMIT_REF}"
 	golangci-lint run --new-from-rev=${DRONE_COMMIT_REF}
 else
-	git symbolic-ref -q HEAD && REV="origin/HEAD" || REV="HEAD^"
+	git symbolic-ref -q HEAD && REV="HEAD" || REV="HEAD^"
 	headSHA=$(git rev-parse --short=12 ${REV})
 	echo "Running: golangci-lint run --new-from-rev=${headSHA}"
 	golangci-lint run --new-from-rev=${headSHA}
diff --git a/vendor/github.com/RoaringBitmap/roaring/README.md b/vendor/github.com/RoaringBitmap/roaring/README.md
index 8c780afd6e..acd3058b77 100644
--- a/vendor/github.com/RoaringBitmap/roaring/README.md
+++ b/vendor/github.com/RoaringBitmap/roaring/README.md
@@ -43,7 +43,7 @@ The ``roaring`` Go library is used by
 * [M3](https://github.com/m3db/m3)
 * [trident](https://github.com/NetApp/trident)
 * [Husky](https://www.datadoghq.com/blog/engineering/introducing-husky/)
-
+* [FrostDB](https://github.com/polarsignals/frostdb)
 
 This library is used in production in several systems, it is part of the [Awesome Go collection](https://awesome-go.com).
 
diff --git a/vendor/github.com/RoaringBitmap/roaring/arraycontainer.go b/vendor/github.com/RoaringBitmap/roaring/arraycontainer.go
index a575caff83..80fa676ef6 100644
--- a/vendor/github.com/RoaringBitmap/roaring/arraycontainer.go
+++ b/vendor/github.com/RoaringBitmap/roaring/arraycontainer.go
@@ -664,10 +664,54 @@ func (ac *arrayContainer) iandNot(a container) container {
 }
 
 func (ac *arrayContainer) iandNotRun16(rc *runContainer16) container {
-	rcb := rc.toBitmapContainer()
-	acb := ac.toBitmapContainer()
-	acb.iandNotBitmapSurely(rcb)
-	*ac = *(acb.toArrayContainer())
+	// Fast path: if either the array container or the run container is empty, the result is the array.
+	if ac.isEmpty() || rc.isEmpty() {
+		// Empty
+		return ac
+	}
+	// Fast path: if the run container is full, the result is empty.
+	if rc.isFull() {
+		ac.content = ac.content[:0]
+		return ac
+	}
+	current_run := 0
+	// All values in [start_run, end_end] are part of the run
+	start_run := rc.iv[current_run].start
+	end_end := start_run + rc.iv[current_run].length
+	// We are going to read values in the array at index i, and we are
+	// going to write them at index pos. So we do in-place processing.
+	// We always have that pos <= i by construction. So we can either
+	// overwrite a value just read, or a value that was previous read.
+	pos := 0
+	i := 0
+	for ; i < len(ac.content); i++ {
+		if ac.content[i] < start_run {
+			// the value in the array appears before the run [start_run, end_end]
+			ac.content[pos] = ac.content[i]
+			pos++
+		} else if ac.content[i] <= end_end {
+			// nothing to do, the value is in the array but also in the run.
+		} else {
+			// We have the value in the array after the run. We cannot tell
+			// whether we need to keep it or not. So let us move to another run.
+			if current_run+1 < len(rc.iv) {
+				current_run++
+				start_run = rc.iv[current_run].start
+				end_end = start_run + rc.iv[current_run].length
+				i-- // retry with the same i
+			} else {
+				// We have exhausted the number of runs. We can keep the rest of the values
+				// from i to len(ac.content) - 1 inclusively.
+				break // We are done, the rest of the array will be kept
+			}
+		}
+	}
+	for ; i < len(ac.content); i++ {
+		ac.content[pos] = ac.content[i]
+		pos++
+	}
+	// We 'shink' the slice.
+	ac.content = ac.content[:pos]
 	return ac
 }
 
diff --git a/vendor/github.com/RoaringBitmap/roaring/runcontainer.go b/vendor/github.com/RoaringBitmap/roaring/runcontainer.go
index f4829a62d0..7098ba28fc 100644
--- a/vendor/github.com/RoaringBitmap/roaring/runcontainer.go
+++ b/vendor/github.com/RoaringBitmap/roaring/runcontainer.go
@@ -47,6 +47,7 @@ import (
 // runContainer16 does run-length encoding of sets of
 // uint16 integers.
 type runContainer16 struct {
+	// iv is a slice of sorted, non-overlapping, non-adjacent intervals.
 	iv []interval16
 }
 
diff --git a/vendor/github.com/longhorn/backing-image-manager/api/types.go b/vendor/github.com/longhorn/backing-image-manager/api/types.go
index 5446553fcb..905316ad30 100644
--- a/vendor/github.com/longhorn/backing-image-manager/api/types.go
+++ b/vendor/github.com/longhorn/backing-image-manager/api/types.go
@@ -13,6 +13,7 @@ type BackingImage struct {
 	Name             string `json:"name"`
 	UUID             string `json:"uuid"`
 	Size             int64  `json:"size"`
+	VirtualSize      int64  `json:"virtualSize"`
 	ExpectedChecksum string `json:"expectedChecksum"`
 
 	Status BackingImageStatus `json:"status"`
@@ -32,6 +33,7 @@ func RPCToBackingImage(obj *rpc.BackingImageResponse) *BackingImage {
 		Name:             obj.Spec.Name,
 		UUID:             obj.Spec.Uuid,
 		Size:             obj.Spec.Size,
+		VirtualSize:      obj.Spec.VirtualSize,
 		ExpectedChecksum: obj.Spec.Checksum,
 
 		Status: BackingImageStatus{
@@ -112,6 +114,7 @@ type FileInfo struct {
 	FilePath         string `json:"filePath"`
 	UUID             string `json:"uuid"`
 	Size             int64  `json:"size"`
+	VirtualSize      int64  `json:"virtualSize"`
 	State            string `json:"state"`
 	Progress         int    `json:"progress"`
 	ProcessedSize    int64  `json:"processedSize"`
diff --git a/vendor/github.com/longhorn/backing-image-manager/pkg/rpc/rpc.pb.go b/vendor/github.com/longhorn/backing-image-manager/pkg/rpc/rpc.pb.go
index b3012f6207..c237c6c84d 100644
--- a/vendor/github.com/longhorn/backing-image-manager/pkg/rpc/rpc.pb.go
+++ b/vendor/github.com/longhorn/backing-image-manager/pkg/rpc/rpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v4.24.3
+// 	protoc        v4.25.1
 // source: github.com/longhorn/backing-image-manager/pkg/rpc/rpc.proto
 
 package rpc
@@ -30,10 +30,11 @@ type BackingImageSpec struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Name     string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	Uuid     string `protobuf:"bytes,2,opt,name=uuid,proto3" json:"uuid,omitempty"`
-	Size     int64  `protobuf:"varint,3,opt,name=size,proto3" json:"size,omitempty"`
-	Checksum string `protobuf:"bytes,4,opt,name=checksum,proto3" json:"checksum,omitempty"`
+	Name        string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Uuid        string `protobuf:"bytes,2,opt,name=uuid,proto3" json:"uuid,omitempty"`
+	Size        int64  `protobuf:"varint,3,opt,name=size,proto3" json:"size,omitempty"`
+	Checksum    string `protobuf:"bytes,4,opt,name=checksum,proto3" json:"checksum,omitempty"`
+	VirtualSize int64  `protobuf:"varint,5,opt,name=virtualSize,proto3" json:"virtualSize,omitempty"`
 }
 
 func (x *BackingImageSpec) Reset() {
@@ -96,6 +97,13 @@ func (x *BackingImageSpec) GetChecksum() string {
 	return ""
 }
 
+func (x *BackingImageSpec) GetVirtualSize() int64 {
+	if x != nil {
+		return x.VirtualSize
+	}
+	return 0
+}
+
 type BackingImageStatus struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -989,225 +997,227 @@ var file_github_com_longhorn_backing_image_manager_pkg_rpc_rpc_proto_rawDesc = [
 	0x6d, 0x61, 0x67, 0x65, 0x6d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x72, 0x2e, 0x70, 0x6b, 0x67, 0x2e,
 	0x72, 0x70, 0x63, 0x1a, 0x1b, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74,
 	0x6f, 0x62, 0x75, 0x66, 0x2f, 0x65, 0x6d, 0x70, 0x74, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x22, 0x6a, 0x0a, 0x10, 0x42, 0x61, 0x63, 0x6b, 0x69, 0x6e, 0x67, 0x49, 0x6d, 0x61, 0x67, 0x65,
-	0x53, 0x70, 0x65, 0x63, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01,
-	0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x75, 0x75, 0x69, 0x64,
-	0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x75, 0x75, 0x69, 0x64, 0x12, 0x12, 0x0a, 0x04,
-	0x73, 0x69, 0x7a, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x03, 0x52, 0x04, 0x73, 0x69, 0x7a, 0x65,
-	0x12, 0x1a, 0x0a, 0x08, 0x63, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d, 0x18, 0x04, 0x20, 0x01,
-	0x28, 0x09, 0x52, 0x08, 0x63, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d, 0x22, 0xe2, 0x01, 0x0a,
-	0x12, 0x42, 0x61, 0x63, 0x6b, 0x69, 0x6e, 0x67, 0x49, 0x6d, 0x61, 0x67, 0x65, 0x53, 0x74, 0x61,
-	0x74, 0x75, 0x73, 0x12, 0x14, 0x0a, 0x05, 0x73, 0x74, 0x61, 0x74, 0x65, 0x18, 0x01, 0x20, 0x01,
-	0x28, 0x09, 0x52, 0x05, 0x73, 0x74, 0x61, 0x74, 0x65, 0x12, 0x1b, 0x0a, 0x09, 0x65, 0x72, 0x72,
-	0x6f, 0x72, 0x5f, 0x6d, 0x73, 0x67, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x65, 0x72,
-	0x72, 0x6f, 0x72, 0x4d, 0x73, 0x67, 0x12, 0x2b, 0x0a, 0x11, 0x73, 0x65, 0x6e, 0x64, 0x69, 0x6e,
-	0x67, 0x5f, 0x72, 0x65, 0x66, 0x65, 0x72, 0x65, 0x6e, 0x63, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28,
-	0x05, 0x52, 0x10, 0x73, 0x65, 0x6e, 0x64, 0x69, 0x6e, 0x67, 0x52, 0x65, 0x66, 0x65, 0x72, 0x65,
-	0x6e, 0x63, 0x65, 0x12, 0x34, 0x0a, 0x16, 0x73, 0x65, 0x6e, 0x64, 0x65, 0x72, 0x5f, 0x6d, 0x61,
-	0x6e, 0x61, 0x67, 0x65, 0x72, 0x5f, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x18, 0x04, 0x20,
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+	0x61, 0x6e, 0x61, 0x67, 0x65, 0x72, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x72, 0x70, 0x63, 0x62, 0x06,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/vendor/github.com/longhorn/backing-image-manager/pkg/rpc/rpc.proto b/vendor/github.com/longhorn/backing-image-manager/pkg/rpc/rpc.proto
index 9dbf137bf5..10ed98abfb 100644
--- a/vendor/github.com/longhorn/backing-image-manager/pkg/rpc/rpc.proto
+++ b/vendor/github.com/longhorn/backing-image-manager/pkg/rpc/rpc.proto
@@ -26,6 +26,7 @@ message BackingImageSpec {
 	string uuid = 2;
 	int64 size = 3;
 	string checksum = 4;
+	int64 virtualSize = 5;
 }
 
 message BackingImageStatus {
diff --git a/vendor/github.com/longhorn/backing-image-manager/pkg/util/util.go b/vendor/github.com/longhorn/backing-image-manager/pkg/util/util.go
index f46bc5e36e..30cff9df51 100644
--- a/vendor/github.com/longhorn/backing-image-manager/pkg/util/util.go
+++ b/vendor/github.com/longhorn/backing-image-manager/pkg/util/util.go
@@ -1,7 +1,6 @@
 package util
 
 import (
-	"bufio"
 	"bytes"
 	"compress/gzip"
 	"context"
@@ -15,7 +14,6 @@ import (
 	"os/exec"
 	"path/filepath"
 	"regexp"
-	"strings"
 	"time"
 
 	"github.com/pkg/errors"
@@ -152,6 +150,7 @@ type SyncingFileConfig struct {
 	FilePath         string `json:"name"`
 	UUID             string `json:"uuid"`
 	Size             int64  `json:"size"`
+	VirtualSize      int64  `json:"virtualSize"`
 	ExpectedChecksum string `json:"expectedChecksum"`
 	CurrentChecksum  string `json:"currentChecksum"`
 	ModificationTime string `json:"modificationTime"`
@@ -232,48 +231,60 @@ func ExecuteWithTimeout(timeout time.Duration, envs []string, binary string, arg
 	return output.String(), nil
 }
 
-func DetectFileFormat(filePath string) (string, error) {
+type QemuImgInfo struct {
+	// For qcow2 files, VirtualSize may be larger than the physical
+	// image size on disk.  For raw files, `qemu-img info` will report
+	// VirtualSize as being the same as the physical file size.
+	VirtualSize int64  `json:"virtual-size"`
+	Format      string `json:"format"`
+}
+
+func GetQemuImgInfo(filePath string) (imgInfo QemuImgInfo, err error) {
 
 	/* Example command outputs
-	   $ qemu-img info parrot.raw
-	   image: parrot.raw
-	   file format: raw
-	   virtual size: 32M (33554432 bytes)
-	   disk size: 2.2M
-
-	   $ qemu-img info parrot.qcow2
-	   image: parrot.qcow2
-	   file format: qcow2
-	   virtual size: 32M (33554432 bytes)
-	   disk size: 2.3M
-	   cluster_size: 65536
-	   Format specific information:
-	       compat: 1.1
-	       lazy refcounts: false
-	       refcount bits: 16
-	       corrupt: false
+	   $ qemu-img info --output=json SLE-Micro.x86_64-5.5.0-Default-qcow-GM.qcow2
+	   {
+	       "virtual-size": 21474836480,
+	       "filename": "SLE-Micro.x86_64-5.5.0-Default-qcow-GM.qcow2",
+	       "cluster-size": 65536,
+	       "format": "qcow2",
+	       "actual-size": 1001656320,
+	       "format-specific": {
+	           "type": "qcow2",
+	           "data": {
+	               "compat": "1.1",
+	               "compression-type": "zlib",
+	               "lazy-refcounts": false,
+	               "refcount-bits": 16,
+	               "corrupt": false,
+	               "extended-l2": false
+	           }
+	       },
+	       "dirty-flag": false
+	   }
+
+	   $ qemu-img info --output=json SLE-15-SP5-Full-x86_64-GM-Media1.iso
+	   {
+	       "virtual-size": 14548992000,
+	       "filename": "SLE-15-SP5-Full-x86_64-GM-Media1.iso",
+	       "format": "raw",
+	       "actual-size": 14548996096,
+	       "dirty-flag": false
+	   }
 	*/
 
-	output, err := Execute([]string{}, QemuImgBinary, "info", filePath)
+	output, err := Execute([]string{}, QemuImgBinary, "info", "--output=json", filePath)
 	if err != nil {
-		return "", err
+		return
 	}
-
-	scanner := bufio.NewScanner(strings.NewReader(output))
-	for scanner.Scan() {
-		line := strings.TrimSpace(scanner.Text())
-		if strings.HasPrefix(line, "file format: ") {
-			return strings.TrimPrefix(line, "file format: "), nil
-		}
-	}
-
-	return "", fmt.Errorf("cannot find the file format in the output %s", output)
+	err = json.Unmarshal([]byte(output), &imgInfo)
+	return
 }
 
 func ConvertFromRawToQcow2(filePath string) error {
-	if format, err := DetectFileFormat(filePath); err != nil {
+	if imgInfo, err := GetQemuImgInfo(filePath); err != nil {
 		return err
-	} else if format == "qcow2" {
+	} else if imgInfo.Format == "qcow2" {
 		return nil
 	}
 
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 3b2572e777..51f509b493 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -8,7 +8,7 @@ github.com/Microsoft/go-winio/pkg/guid
 # github.com/NYTimes/gziphandler v1.1.1
 ## explicit; go 1.11
 github.com/NYTimes/gziphandler
-# github.com/RoaringBitmap/roaring v1.9.0
+# github.com/RoaringBitmap/roaring v1.9.1
 ## explicit; go 1.14
 github.com/RoaringBitmap/roaring
 github.com/RoaringBitmap/roaring/internal
@@ -224,7 +224,7 @@ github.com/kubernetes-csi/csi-lib-utils/protosanitizer
 # github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de
 ## explicit
 github.com/liggitt/tabwriter
-# github.com/longhorn/backing-image-manager v1.6.0
+# github.com/longhorn/backing-image-manager v1.7.0-dev.0.20240326182459-c5288d745f4a
 ## explicit; go 1.21
 github.com/longhorn/backing-image-manager/api
 github.com/longhorn/backing-image-manager/pkg/client