diff --git a/getosd.go b/getosd.go
index 6d6734c..5e97d1a 100644
--- a/getosd.go
+++ b/getosd.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"encoding/json"
+	"fmt"
 	"log"
 	"strings"
 )
@@ -92,7 +93,7 @@ func GetCrushHostBuckets(buckets []Bucket, itemid int64) []Bucket {
 	return rootbuckets
 }
 
-func GetOsdForLocations(params Params, osdcrushdump OsdCrushDump, osddump OsdDump, poolinfo Poolinfo, osdsmetadata []OsdMetadata) map[string]BenchOsd {
+func GetOsdForLocations(params Params, osdcrushdump OsdCrushDump, osddump OsdDump, poolinfo Poolinfo) map[string]*BenchOsd {
 	var crushrule int64
 	var crushrulename string
 	for _, pool := range osddump.Pools {
@@ -112,8 +113,8 @@ func GetOsdForLocations(params Params, osdcrushdump OsdCrushDump, osddump OsdDum
 		}
 	}
 
-	osdhosts := make(map[string]BenchOsd)
-	var devices []Device
+	osdhosts := make(map[string]*BenchOsd)
+	var devices []*Device
 	bucketitems := GetCrushHostBuckets(osdcrushdump.Buckets, rootid)
 	if params.define != "" {
 		if strings.HasPrefix(params.define, "osd.") {
@@ -121,19 +122,13 @@ func GetOsdForLocations(params Params, osdcrushdump OsdCrushDump, osddump OsdDum
 				for _, item := range hostbucket.Items {
 					for _, device := range osdcrushdump.Devices {
 						if device.ID == item.ID && params.define == device.Name {
-							for _, osdmetadata := range osdsmetadata {
-								if osdmetadata.ID == device.ID {
-									device.Info = osdmetadata
-								}
-
-							}
-							devices = append(devices, device)
+							devices = append(devices, &device)
 						}
 					}
 				}
 				if len(devices) != 0 {
-					osdhosts[hostbucket.Name] = BenchOsd{Osds: devices}
-					devices = []Device{}
+					osdhosts[hostbucket.Name] = &BenchOsd{Osds: devices}
+					devices = []*Device{}
 				}
 			}
 			if len(osdhosts) == 0 {
@@ -146,20 +141,14 @@ func GetOsdForLocations(params Params, osdcrushdump OsdCrushDump, osddump OsdDum
 					for _, item := range hostbucket.Items {
 						for _, device := range osdcrushdump.Devices {
 							if device.ID == item.ID {
-								for _, osdmetadata := range osdsmetadata {
-									if osdmetadata.ID == device.ID {
-										device.Info = osdmetadata
-									}
-
-								}
-								devices = append(devices, device)
+								devices = append(devices, &device)
 							}
 						}
 					}
 				}
 				if len(devices) != 0 {
-					osdhosts[hostbucket.Name] = BenchOsd{Osds: devices}
-					devices = []Device{}
+					osdhosts[hostbucket.Name] = &BenchOsd{Osds: devices}
+					devices = []*Device{}
 				}
 			}
 			if len(osdhosts) == 0 {
@@ -171,19 +160,13 @@ func GetOsdForLocations(params Params, osdcrushdump OsdCrushDump, osddump OsdDum
 			for _, item := range hostbucket.Items {
 				for _, device := range osdcrushdump.Devices {
 					if device.ID == item.ID {
-						for _, osdmetadata := range osdsmetadata {
-							if osdmetadata.ID == device.ID {
-								device.Info = osdmetadata
-							}
-
-						}
-						devices = append(devices, device)
+						devices = append(devices, &device)
 					}
 				}
 			}
 			if len(devices) != 0 {
-				osdhosts[hostbucket.Name] = BenchOsd{Osds: devices}
-				devices = []Device{}
+				osdhosts[hostbucket.Name] = &BenchOsd{Osds: devices}
+				devices = []*Device{}
 			}
 		}
 		if len(osdhosts) == 0 {
@@ -202,7 +185,7 @@ func ContainsPg(pgs []PlacementGroup, i int64) bool {
 	return false
 }
 
-func GetOsds(cephconn *Cephconnection, params Params) map[string]BenchOsd {
+func GetOsds(cephconn *Cephconnection, params Params) map[string]*BenchOsd {
 	poolinfo := GetPoolSize(cephconn, params)
 	if poolinfo.Size != 1 {
 		log.Fatalf("Pool size must be 1. Current size for pool %v is %v. Don't forget that it must be useless pool (not production). Do:\n # ceph osd pool set %v min_size 1\n # ceph osd pool set %v size 1",
@@ -211,8 +194,8 @@ func GetOsds(cephconn *Cephconnection, params Params) map[string]BenchOsd {
 	placementGroups := GetPgByPool(cephconn, params)
 	crushosddump := GetOsdCrushDump(cephconn)
 	osddump := GetOsdDump(cephconn)
-	osdsmetadata := GetOsdMetadata(cephconn)
-	osddevices := GetOsdForLocations(params, crushosddump, osddump, poolinfo, osdsmetadata)
+	//osdsmetadata := GetOsdMetadata(cephconn)
+	osddevices := GetOsdForLocations(params, crushosddump, osddump, poolinfo)
 	for _, values := range osddevices {
 		for _, item := range values.Osds {
 			if exist := ContainsPg(placementGroups, item.ID); exist == false {
@@ -220,5 +203,6 @@ func GetOsds(cephconn *Cephconnection, params Params) map[string]BenchOsd {
 			}
 		}
 	}
+	fmt.Printf("%+v", osddevices)
 	return osddevices
 }
diff --git a/types.go b/types.go
index 7182df5..bc12311 100644
--- a/types.go
+++ b/types.go
@@ -62,7 +62,7 @@ type Device struct {
 	Class string `json:"class"`
 	ID    int64  `json:"id"`
 	Name  string `json:"name"`
-	Info  OsdMetadata
+	Info  *OsdMetadata
 }
 
 type OsdCrushDump struct {
@@ -375,7 +375,7 @@ type OsdMetadata struct {
 }
 
 type BenchOsd struct {
-	Osds    []Device
+	Osds    []*Device
 	Buffs   *[][]byte
-	Offsets []int64
+	Offsets *[]int64
 }