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#!/bin/sh
# shellcheck disable=SC2154
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License Version 1.0 (CDDL-1.0).
# You can obtain a copy of the license from the top-level file
# "OPENSOLARIS.LICENSE" or at <http://opensource.org/licenses/CDDL-1.0>.
# You may not use this file except in compliance with the license.
#
# CDDL HEADER END
#
#
# Send notification in response to a fault induced statechange
#
# ZEVENT_SUBCLASS: 'statechange'
# ZEVENT_VDEV_STATE_STR: 'DEGRADED', 'FAULTED', 'REMOVED', or 'UNAVAIL'
#
# Exit codes:
# 0: notification sent
# 1: notification failed
# 2: notification not configured
# 3: statechange not relevant
# 4: statechange string missing (unexpected)
[ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
. "${ZED_ZEDLET_DIR}/zed-functions.sh"
[ -n "${ZEVENT_VDEV_STATE_STR}" ] || exit 4
if [ "${ZEVENT_VDEV_STATE_STR}" != "FAULTED" ] \
&& [ "${ZEVENT_VDEV_STATE_STR}" != "DEGRADED" ] \
&& [ "${ZEVENT_VDEV_STATE_STR}" != "REMOVED" ] \
&& [ "${ZEVENT_VDEV_STATE_STR}" != "UNAVAIL" ]; then
exit 3
fi
umask 077
note_subject="ZFS device fault for pool ${ZEVENT_POOL_GUID} on $(hostname)"
note_pathname="$(mktemp)"
{
if [ "${ZEVENT_VDEV_STATE_STR}" = "FAULTED" ] ; then
echo "The number of I/O errors associated with a ZFS device exceeded"
echo "acceptable levels. ZFS has marked the device as faulted."
elif [ "${ZEVENT_VDEV_STATE_STR}" = "DEGRADED" ] ; then
echo "The number of checksum errors associated with a ZFS device"
echo "exceeded acceptable levels. ZFS has marked the device as"
echo "degraded."
else
echo "ZFS has detected that a device was removed."
fi
echo
echo " impact: Fault tolerance of the pool may be compromised."
echo " eid: ${ZEVENT_EID}"
echo " class: ${ZEVENT_SUBCLASS}"
echo " state: ${ZEVENT_VDEV_STATE_STR}"
echo " host: $(hostname)"
echo " time: ${ZEVENT_TIME_STRING}"
[ -n "${ZEVENT_VDEV_TYPE}" ] && echo " vtype: ${ZEVENT_VDEV_TYPE}"
[ -n "${ZEVENT_VDEV_PATH}" ] && echo " vpath: ${ZEVENT_VDEV_PATH}"
[ -n "${ZEVENT_VDEV_PHYSPATH}" ] && echo " vphys: ${ZEVENT_VDEV_PHYSPATH}"
[ -n "${ZEVENT_VDEV_GUID}" ] && echo " vguid: ${ZEVENT_VDEV_GUID}"
[ -n "${ZEVENT_VDEV_DEVID}" ] && echo " devid: ${ZEVENT_VDEV_DEVID}"
echo " pool: ${ZEVENT_POOL_GUID}"
} > "${note_pathname}"
zed_notify "${note_subject}" "${note_pathname}"; rv=$?
rm -f "${note_pathname}"
exit "${rv}"
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