xref: /freebsd/sys/contrib/openzfs/cmd/zed/zed.d/statechange-notify.sh (revision eda14cbc264d6969b02f2b1994cef11148e914f1)
1*eda14cbcSMatt Macy#!/bin/sh
2*eda14cbcSMatt Macy#
3*eda14cbcSMatt Macy# CDDL HEADER START
4*eda14cbcSMatt Macy#
5*eda14cbcSMatt Macy# The contents of this file are subject to the terms of the
6*eda14cbcSMatt Macy# Common Development and Distribution License Version 1.0 (CDDL-1.0).
7*eda14cbcSMatt Macy# You can obtain a copy of the license from the top-level file
8*eda14cbcSMatt Macy# "OPENSOLARIS.LICENSE" or at <http://opensource.org/licenses/CDDL-1.0>.
9*eda14cbcSMatt Macy# You may not use this file except in compliance with the license.
10*eda14cbcSMatt Macy#
11*eda14cbcSMatt Macy# CDDL HEADER END
12*eda14cbcSMatt Macy#
13*eda14cbcSMatt Macy
14*eda14cbcSMatt Macy#
15*eda14cbcSMatt Macy# Send notification in response to a fault induced statechange
16*eda14cbcSMatt Macy#
17*eda14cbcSMatt Macy# ZEVENT_SUBCLASS: 'statechange'
18*eda14cbcSMatt Macy# ZEVENT_VDEV_STATE_STR: 'DEGRADED', 'FAULTED' or 'REMOVED'
19*eda14cbcSMatt Macy#
20*eda14cbcSMatt Macy# Exit codes:
21*eda14cbcSMatt Macy#   0: notification sent
22*eda14cbcSMatt Macy#   1: notification failed
23*eda14cbcSMatt Macy#   2: notification not configured
24*eda14cbcSMatt Macy#   3: statechange not relevant
25*eda14cbcSMatt Macy#   4: statechange string missing (unexpected)
26*eda14cbcSMatt Macy
27*eda14cbcSMatt Macy[ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
28*eda14cbcSMatt Macy. "${ZED_ZEDLET_DIR}/zed-functions.sh"
29*eda14cbcSMatt Macy
30*eda14cbcSMatt Macy[ -n "${ZEVENT_VDEV_STATE_STR}" ] || exit 4
31*eda14cbcSMatt Macy
32*eda14cbcSMatt Macyif [ "${ZEVENT_VDEV_STATE_STR}" != "FAULTED" ] \
33*eda14cbcSMatt Macy        && [ "${ZEVENT_VDEV_STATE_STR}" != "DEGRADED" ] \
34*eda14cbcSMatt Macy        && [ "${ZEVENT_VDEV_STATE_STR}" != "REMOVED" ]; then
35*eda14cbcSMatt Macy    exit 3
36*eda14cbcSMatt Macyfi
37*eda14cbcSMatt Macy
38*eda14cbcSMatt Macyumask 077
39*eda14cbcSMatt Macynote_subject="ZFS device fault for pool ${ZEVENT_POOL_GUID} on $(hostname)"
40*eda14cbcSMatt Macynote_pathname="${TMPDIR:="/tmp"}/$(basename -- "$0").${ZEVENT_EID}.$$"
41*eda14cbcSMatt Macy{
42*eda14cbcSMatt Macy    if [ "${ZEVENT_VDEV_STATE_STR}" = "FAULTED" ] ; then
43*eda14cbcSMatt Macy        echo "The number of I/O errors associated with a ZFS device exceeded"
44*eda14cbcSMatt Macy        echo "acceptable levels. ZFS has marked the device as faulted."
45*eda14cbcSMatt Macy    elif [ "${ZEVENT_VDEV_STATE_STR}" = "DEGRADED" ] ; then
46*eda14cbcSMatt Macy        echo "The number of checksum errors associated with a ZFS device"
47*eda14cbcSMatt Macy        echo "exceeded acceptable levels. ZFS has marked the device as"
48*eda14cbcSMatt Macy        echo "degraded."
49*eda14cbcSMatt Macy    else
50*eda14cbcSMatt Macy        echo "ZFS has detected that a device was removed."
51*eda14cbcSMatt Macy    fi
52*eda14cbcSMatt Macy
53*eda14cbcSMatt Macy    echo
54*eda14cbcSMatt Macy    echo " impact: Fault tolerance of the pool may be compromised."
55*eda14cbcSMatt Macy    echo "    eid: ${ZEVENT_EID}"
56*eda14cbcSMatt Macy    echo "  class: ${ZEVENT_SUBCLASS}"
57*eda14cbcSMatt Macy    echo "  state: ${ZEVENT_VDEV_STATE_STR}"
58*eda14cbcSMatt Macy    echo "   host: $(hostname)"
59*eda14cbcSMatt Macy    echo "   time: ${ZEVENT_TIME_STRING}"
60*eda14cbcSMatt Macy
61*eda14cbcSMatt Macy    [ -n "${ZEVENT_VDEV_TYPE}" ] && echo "  vtype: ${ZEVENT_VDEV_TYPE}"
62*eda14cbcSMatt Macy    [ -n "${ZEVENT_VDEV_PATH}" ] && echo "  vpath: ${ZEVENT_VDEV_PATH}"
63*eda14cbcSMatt Macy    [ -n "${ZEVENT_VDEV_PHYSPATH}" ] && echo "  vphys: ${ZEVENT_VDEV_PHYSPATH}"
64*eda14cbcSMatt Macy    [ -n "${ZEVENT_VDEV_GUID}" ] && echo "  vguid: ${ZEVENT_VDEV_GUID}"
65*eda14cbcSMatt Macy    [ -n "${ZEVENT_VDEV_DEVID}" ] && echo "  devid: ${ZEVENT_VDEV_DEVID}"
66*eda14cbcSMatt Macy
67*eda14cbcSMatt Macy    echo "   pool: ${ZEVENT_POOL_GUID}"
68*eda14cbcSMatt Macy
69*eda14cbcSMatt Macy} > "${note_pathname}"
70*eda14cbcSMatt Macy
71*eda14cbcSMatt Macyzed_notify "${note_subject}" "${note_pathname}"; rv=$?
72*eda14cbcSMatt Macy
73*eda14cbcSMatt Macyrm -f "${note_pathname}"
74*eda14cbcSMatt Macyexit "${rv}"
75