cmd/zpool/zpool.d/ses

   1 #!/bin/sh
   2 #
   3 # Print SCSI Enclosure Services (SES) info. The output is dependent on the name
   4 # of the script/symlink used to call it.
   5 #
   6 helpstr="
   7 enc:            Show disk enclosure w:x:y:z value.
   8 slot:           Show disk slot number as reported by the enclosure.
   9 encdev:         Show /dev/sg* device associated with the enclosure disk slot.
  10 fault_led:      Show value of the disk enclosure slot fault LED.
  11 locate_led:     Show value of the disk enclosure slot locate LED.
  12 ses:            Show disk's enc, enc device, slot, and fault/locate LED values."
  13
  14 script="${0##*/}"
  15 if [ "$1" = "-h" ] ; then
  16         echo "$helpstr" | grep "$script:" | tr -s '\t' | cut -f 2-
  17         exit
  18 fi
  19
  20 if [ "$script" = "ses" ] ; then
  21         scripts='enc encdev slot fault_led locate_led'
  22 else
  23         scripts="$script"
  24 fi
  25
  26 for i in $scripts ; do
  27         # shellcheck disable=SC2154
  28         if [ -z "$VDEV_ENC_SYSFS_PATH" ] ; then
  29                 echo "$i="
  30                 continue
  31         fi
  32
  33         val=""
  34         case $i in
  35         enc)
  36                 val=$(ls "$VDEV_ENC_SYSFS_PATH/../../" 2>/dev/null)
  37                 ;;
  38         slot)
  39                 val=$(cat "$VDEV_ENC_SYSFS_PATH/slot" 2>/dev/null)
  40                 ;;
  41         encdev)
  42                 val=$(ls "$VDEV_ENC_SYSFS_PATH/../device/scsi_generic" 2>/dev/null)
  43                 ;;
  44         fault_led)
  45                 # JBODs fault LED is called 'fault', NVMe fault LED is called
  46                 # 'attention'.
  47                 if [ -f "$VDEV_ENC_SYSFS_PATH/fault" ] ; then
  48                         val=$(cat "$VDEV_ENC_SYSFS_PATH/fault" 2>/dev/null)
  49                 elif [ -f "$VDEV_ENC_SYSFS_PATH/attention" ] ; then
  50                         val=$(cat "$VDEV_ENC_SYSFS_PATH/attention" 2>/dev/null)
  51                 fi
  52                 ;;
  53         locate_led)
  54                 val=$(cat "$VDEV_ENC_SYSFS_PATH/locate" 2>/dev/null)
  55                 ;;
  56         *)
  57                 val=invalid
  58                 ;;
  59         esac
  60         echo "$i=$val"
  61 done