cmd/zed/zed.d/statechange-notify.sh

   1 #!/bin/sh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License Version 1.0 (CDDL-1.0).
   7 # You can obtain a copy of the license from the top-level file
   8 # "OPENSOLARIS.LICENSE" or at <http://opensource.org/licenses/CDDL-1.0>.
   9 # You may not use this file except in compliance with the license.
  10 #
  11 # CDDL HEADER END
  12 #
  13
  14 #
  15 # Send notification in response to a fault induced statechange
  16 #
  17 # ZEVENT_SUBCLASS: 'statechange'
  18 # ZEVENT_VDEV_STATE_STR: 'DEGRADED', 'FAULTED' or 'REMOVED'
  19 #
  20 # Exit codes:
  21 #   0: notification sent
  22 #   1: notification failed
  23 #   2: notification not configured
  24 #   3: statechange not relevant
  25 #   4: statechange string missing (unexpected)
  26
  27 [ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
  28 . "${ZED_ZEDLET_DIR}/zed-functions.sh"
  29
  30 [ -n "${ZEVENT_VDEV_STATE_STR}" ] || exit 4
  31
  32 if [ "${ZEVENT_VDEV_STATE_STR}" != "FAULTED" ] \
  33         && [ "${ZEVENT_VDEV_STATE_STR}" != "DEGRADED" ] \
  34         && [ "${ZEVENT_VDEV_STATE_STR}" != "REMOVED" ]; then
  35     exit 3
  36 fi
  37
  38 umask 077
  39 note_subject="ZFS device fault for pool ${ZEVENT_POOL_GUID} on $(hostname)"
  40 note_pathname="${TMPDIR:="/tmp"}/$(basename -- "$0").${ZEVENT_EID}.$$"
  41 {
  42     if [ "${ZEVENT_VDEV_STATE_STR}" = "FAULTED" ] ; then
  43         echo "The number of I/O errors associated with a ZFS device exceeded"
  44         echo "acceptable levels. ZFS has marked the device as faulted."
  45     elif [ "${ZEVENT_VDEV_STATE_STR}" = "DEGRADED" ] ; then
  46         echo "The number of checksum errors associated with a ZFS device"
  47         echo "exceeded acceptable levels. ZFS has marked the device as"
  48         echo "degraded."
  49     else
  50         echo "ZFS has detected that a device was removed."
  51     fi
  52
  53     echo
  54     echo " impact: Fault tolerance of the pool may be compromised."
  55     echo "    eid: ${ZEVENT_EID}"
  56     echo "  class: ${ZEVENT_SUBCLASS}"
  57     echo "  state: ${ZEVENT_VDEV_STATE_STR}"
  58     echo "   host: $(hostname)"
  59     echo "   time: ${ZEVENT_TIME_STRING}"
  60
  61     [ -n "${ZEVENT_VDEV_TYPE}" ] && echo "  vtype: ${ZEVENT_VDEV_TYPE}"
  62     [ -n "${ZEVENT_VDEV_PATH}" ] && echo "  vpath: ${ZEVENT_VDEV_PATH}"
  63     [ -n "${ZEVENT_VDEV_PHYSPATH}" ] && echo "  vphys: ${ZEVENT_VDEV_PHYSPATH}"
  64     [ -n "${ZEVENT_VDEV_GUID}" ] && echo "  vguid: ${ZEVENT_VDEV_GUID}"
  65     [ -n "${ZEVENT_VDEV_DEVID}" ] && echo "  devid: ${ZEVENT_VDEV_DEVID}"
  66
  67     echo "   pool: ${ZEVENT_POOL_GUID}"
  68
  69 } > "${note_pathname}"
  70
  71 zed_notify "${note_subject}" "${note_pathname}"; rv=$?
  72
  73 rm -f "${note_pathname}"
  74 exit "${rv}"