function validate-node-local-ssds-ext(){
  ssdopts="${1}"

  if [[ -z "${ssdopts[0]}" || -z "${ssdopts[1]}" || -z "${ssdopts[2]}" ]]; then
    echo -e "${color_red}Local SSD: NODE_LOCAL_SSDS_EXT is malformed, found ${ssdopts[0]-_},${ssdopts[1]-_},${ssdopts[2]-_} ${color_norm}" >&2
    exit 2
  fi
  if [[ "${ssdopts[1]}" != "scsi" && "${ssdopts[1]}" != "nvme" ]]; then

    IFS=";" read -r -a ssdgroups <<< "${NODE_LOCAL_SSDS_EXT:-}"
    for ssdgroup in "${ssdgroups[@]}"; do
      IFS="," read -r -a ssdopts <<< "${ssdgroup}"
      local opnum="${ssdopts[0]}"
      local opinterface="${ssdopts[1]}"
      local opformat="${ssdopts[2]}"

      if [[ "${opformat,,}" == "${format,,}" && "${opinterface,,}" == "${interface,,}" ]]; then
        localdisknum=$((localdisknum+opnum))
      fi

		return
	}

	var srcOpts, dstOpts ObjectOptions
	srcOpts, err = copySrcOpts(ctx, r, srcBucket, srcObject)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	srcOpts.VersionID = vid

	// convert copy src and dst encryption options for GET/PUT calls
	getOpts := ObjectOptions{VersionID: srcOpts.VersionID}
	if srcOpts.ServerSideEncryption != nil {

	if !dstOpts.NoAuditLog {
		auditObjectErasureSet(ctx, dstObject, &er)
	}

	// This call shouldn't be used for anything other than metadata updates or adding self referential versions.
	if !srcInfo.metadataOnly {
		return oi, NotImplemented{}
	}

	if !dstOpts.NoLock {
		lk := er.NewNSLock(dstBucket, dstObject)

	})

	var srcOpts, dstOpts ObjectOptions
	srcOpts, err = copySrcOpts(ctx, r, srcBucket, srcObject)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	srcOpts.VersionID = vid

	// convert copy src encryption options for GET calls
	getOpts := ObjectOptions{
		VersionID:          srcOpts.VersionID,
		Versioned:          srcOpts.Versioned,

			ondiskTimestamp, err := time.Parse(time.RFC3339, lholdTmStr)
			if err == nil {
				dstOpts.Internal.LegalholdTimestamp = ondiskTimestamp
			}
		}
		if _, rinfo.Err = c.CopyObject(ctx, tgt.Bucket, object, tgt.Bucket, object, getCopyObjMetadata(objInfo, tgt.StorageClass), srcOpts, dstOpts); rinfo.Err != nil {
			rinfo.ReplicationStatus = replication.Failed

				}
				oi.Size = decLength
			}
			// Decompression reader.
			var dopts []s2.ReaderOption
			if off > 0 || decOff > 0 {
				// We are not starting at the beginning, so ignore stream identifiers.
				dopts = append(dopts, s2.ReaderIgnoreStreamIdentifier())
			}
			s2Reader := s2.NewReader(inputReader, dopts...)
			// Apply the skipLen and limit on the decompressed stream.
			if decOff > 0 {