cmd/zpool/zpool.d/media

   1 #!/bin/sh
   2 #
   3 # Print out the type of device
   4 #
   5
   6 if [ "$1" = "-h" ] ; then
   7         echo "Show whether a vdev is a file, hdd, ssd, or iscsi."
   8         exit
   9 fi
  10
  11 # shellcheck disable=SC2154
  12 if [ -b "$VDEV_UPATH" ]; then
  13         device="${VDEV_UPATH##*/}"
  14         read -r val 2>/dev/null < "/sys/block/$device/queue/rotational"
  15         case "$val" in
  16                 0) MEDIA="ssd" ;;
  17                 1) MEDIA="hdd" ;;
  18                 *) MEDIA="invalid" ;;
  19         esac
  20
  21         vpd_pg83="/sys/block/$device/device/vpd_pg83"
  22         if [ -f "$vpd_pg83" ]; then
  23                 if grep -q --binary "iqn." "$vpd_pg83"; then
  24                         MEDIA="iscsi"
  25                 fi
  26         fi
  27 else
  28         if [ -f "$VDEV_UPATH" ]; then
  29                 MEDIA="file"
  30         fi
  31 fi
  32
  33 echo "media=$MEDIA"