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 $i in
  35         enc)
  36                 if echo "$VDEV_ENC_SYSFS_PATH" | grep -q '/sys/bus/pci/slots' ; then
  37                         val="$VDEV_ENC_SYSFS_PATH"
  38                 else
  39                         val="$(ls """$VDEV_ENC_SYSFS_PATH/../../""" 2>/dev/null)"
  40                 fi
  41                 ;;
  42         slot)
  43                 if echo "$VDEV_ENC_SYSFS_PATH" | grep -q '/sys/bus/pci/slots' ; then
  44                         val="$(basename """$VDEV_ENC_SYSFS_PATH""")"
  45                 else
  46                         val="$(cat """$VDEV_ENC_SYSFS_PATH/slot""" 2>/dev/null)"
  47                 fi
  48                 ;;
  49         encdev)
  50                 val=$(ls "$VDEV_ENC_SYSFS_PATH/../device/scsi_generic" 2>/dev/null)
  51                 ;;
  52         fault_led)
  53                 # JBODs fault LED is called 'fault', NVMe fault LED is called
  54                 # 'attention'.
  55                 if [ -f "$VDEV_ENC_SYSFS_PATH/fault" ] ; then
  56                         val=$(cat "$VDEV_ENC_SYSFS_PATH/fault" 2>/dev/null)
  57                 elif [ -f "$VDEV_ENC_SYSFS_PATH/attention" ] ; then
  58                         val=$(cat "$VDEV_ENC_SYSFS_PATH/attention" 2>/dev/null)
  59                 fi
  60                 ;;
  61         locate_led)
  62                 val=$(cat "$VDEV_ENC_SYSFS_PATH/locate" 2>/dev/null)
  63                 ;;
  64         *)
  65                 val=invalid
  66                 ;;
  67         esac
  68         echo "$i=$val"
  69 done