res, err := z.NewMultipartUpload(ctx, bucket, objInfo.Name, ObjectOptions{
			VersionID:    objInfo.VersionID,
			UserDefined:  objInfo.UserDefined,
			NoAuditLog:   true,
			SrcPoolIdx:   idx,
			DataMovement: true,
		})
		if err != nil {
			return fmt.Errorf("decommissionObject: NewMultipartUpload() %w", err)
		}
		defer z.AbortMultipartUpload(ctx, bucket, objInfo.Name, res.UploadID, ObjectOptions{NoAuditLog: true})

							Versioned:         true,
							VersionID:         versionID,
							MTime:             version.ModTime,
							DeleteReplication: version.ReplicationState,
							SrcPoolIdx:        poolIdx,
							DataMovement:      true,
							DeleteMarker:      true, // make sure we create a delete marker
							SkipRebalancing:   true, // make sure we skip the decommissioned pool
							NoAuditLog:        true,
						})

		return pinfo.ObjInfo, nil
	}

	// Datamovement must never be allowed on the same pool.
	if opts.DataMovement && opts.SrcPoolIdx == pinfo.Index {
		return pinfo.ObjInfo, DataMovementOverwriteErr{
			Bucket:    bucket,
			Object:    object,
			VersionID: opts.VersionID,
			Err:       errDataMovementSrcDstPoolSame,
		}
	}

	if opts.DataMovement {

	SkipRebalancing bool

	SrcPoolIdx int // set by PutObject/CompleteMultipart operations due to rebalance; used to prevent rebalance src, dst pools to be the same

	DataMovement bool // indicates an going decommisionning or rebalacing

	PrefixEnabledFn func(prefix string) bool // function which returns true if versioning is enabled on prefix

			fi.Metadata[ReservedMetadataPrefix+"actual-size"] = v
		}
	} else {
		fi.Metadata[ReservedMetadataPrefix+"actual-size"] = strconv.FormatInt(objectActualSize, 10)
	}

	if opts.DataMovement {
		fi.SetDataMov()
	}

	// Update all erasure metadata, make sure to not modify fields like
	// checksum which are different on each disks.
	for index := range partsMetadata {

		partsMetadata[index].Metadata = userDefined
		partsMetadata[index].Size = n
		partsMetadata[index].ModTime = modTime
		if len(inlineBuffers) > 0 {
			partsMetadata[index].SetInlineData()
		}
		if opts.DataMovement {
			partsMetadata[index].SetDataMov()
		}
	}

	if !opts.NoLock {
		lk := er.NewNSLock(bucket, object)
		lkctx, err := lk.GetLock(ctx, globalOperationTimeout)
		if err != nil {