diff --git a/pkg/api/types.go b/pkg/api/types.go
index de303e7..7238de3 100644
--- a/pkg/api/types.go
+++ b/pkg/api/types.go
@@ -349,7 +349,7 @@ type BackingStore interface {
 	Size(dev *SCSILu) uint64
 	Read(offset, tl int64) ([]byte, error)
 	Write([]byte, int64) error
-	DataSync() error
+	DataSync(offset, tl int64) error
 	DataAdvise(int64, int64, uint32) error
 	Unmap([]UnmapBlockDescriptor) error
 }
diff --git a/pkg/scsi/backingstore.go b/pkg/scsi/backingstore.go
index f96f15f..65df989 100644
--- a/pkg/scsi/backingstore.go
+++ b/pkg/scsi/backingstore.go
@@ -87,8 +87,13 @@ func bsPerformCommand(bs api.BackingStore, cmd *api.SCSICommand) (err error, key
 		doWrite = true
 		goto write
 	case api.SYNCHRONIZE_CACHE, api.SYNCHRONIZE_CACHE_16:
-		if err = bs.DataSync(); err != nil {
-			panic(err)
+		if tl == 0 {
+			tl = int64(lu.Size - offset)
+		}
+		if err = bs.DataSync(int64(offset), tl); err != nil {
+			key = MEDIUM_ERROR
+			asc = ASC_READ_ERROR
+			break
 		}
 		break
 	case api.WRITE_VERIFY, api.WRITE_VERIFY_12, api.WRITE_VERIFY_16:
@@ -161,7 +166,7 @@ write:
 			goto sense
 		}
 		if ((opcode != api.WRITE_6) && (scb[1]&0x8 != 0)) || (pg.Data[0]&0x04 == 0) {
-			if err = bs.DataSync(); err != nil {
+			if err = bs.DataSync(int64(offset), tl); err != nil {
 				key = MEDIUM_ERROR
 				asc = ASC_READ_ERROR
 				goto sense
diff --git a/pkg/scsi/backingstore/cephstore/cephstore_linux.go b/pkg/scsi/backingstore/cephstore/cephstore_linux.go
index 2b48888..078cd67 100644
--- a/pkg/scsi/backingstore/cephstore/cephstore_linux.go
+++ b/pkg/scsi/backingstore/cephstore/cephstore_linux.go
@@ -141,7 +141,7 @@ func (bs *CephBackingStore) Write(wbuf []byte, offset int64) error {
 	return err
 }
 
-func (bs *CephBackingStore) DataSync() error {
+func (bs *CephBackingStore) DataSync(offset, tl int64) error {
 	err := bs.image.Flush()
 	return err
 }
diff --git a/pkg/scsi/backingstore/common.go b/pkg/scsi/backingstore/common.go
index 6141833..41cccc4 100644
--- a/pkg/scsi/backingstore/common.go
+++ b/pkg/scsi/backingstore/common.go
@@ -106,7 +106,7 @@ func (bs *FileBackingStore) Write(wbuf []byte, offset int64) error {
 	return nil
 }
 
-func (bs *FileBackingStore) DataSync() error {
+func (bs *FileBackingStore) DataSync(offset, tl int64) error {
 	return util.Fdatasync(bs.file)
 }
 
diff --git a/pkg/scsi/backingstore/null.go b/pkg/scsi/backingstore/null.go
index 8c74739..ee7920e 100644
--- a/pkg/scsi/backingstore/null.go
+++ b/pkg/scsi/backingstore/null.go
@@ -67,7 +67,7 @@ func (bs *NullBackingStore) Write(wbuf []byte, offset int64) error {
 	return nil
 }
 
-func (bs *NullBackingStore) DataSync() error {
+func (bs *NullBackingStore) DataSync(offset, tl int64) error {
 	return nil
 }
 
diff --git a/pkg/scsi/sbc.go b/pkg/scsi/sbc.go
index d0a51bb..627234c 100644
--- a/pkg/scsi/sbc.go
+++ b/pkg/scsi/sbc.go
@@ -708,5 +708,19 @@ func SBCServiceAction(host int, cmd *api.SCSICommand) api.SAMStat {
  * 5.19 - SYNCHRONIZE CACHE (16)
  */
 func SBCSyncCache(host int, cmd *api.SCSICommand) api.SAMStat {
+	scb := cmd.SCB
+	lba := getSCSIReadWriteOffset(scb)
+	tl := getSCSIReadWriteCount(scb)
+	dev := cmd.Device
+
+	cmd.Offset = lba << dev.BlockShift
+	cmd.TL = tl << dev.BlockShift
+
+	err, key, asc := bsPerformCommand(dev.Storage, cmd)
+	if err != nil {
+		BuildSenseData(cmd, key, asc)
+		return api.SAMStatCheckCondition
+	}
+
 	return api.SAMStatGood
 }