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ZED will log zevents summaries to the syslog, however the log entries tend to drop event details that can be useful for diagnosis. This is especially true for ereport events, like io, checksum, and delay. Update the all-syslog.sh script to log additional event information. Add an optional config option, ZED_SYSLOG_DISPLAY_GUIDS, to zed.rc for choosing GUIDs over names for pool and vdev. Change the default ZED_SYSLOG_SUBCLASS_EXCLUDE to exclude history_event events. These events tend to be frequent, convey no meaningful info, and are already logged in the zpool history. Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Pavel Zakharov <pavel.zakharov@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Don Brady <don.brady@delphix.com> Closes #10967
51 lines
1.9 KiB
Bash
Executable File
51 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (C) 2013-2014 Lawrence Livermore National Security, LLC.
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# Copyright (c) 2020 by Delphix. All rights reserved.
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#
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#
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# Log the zevent via syslog.
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#
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[ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
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. "${ZED_ZEDLET_DIR}/zed-functions.sh"
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zed_exit_if_ignoring_this_event
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# build a string of name=value pairs for this event
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msg="eid=${ZEVENT_EID} class=${ZEVENT_SUBCLASS}"
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if [ "${ZED_SYSLOG_DISPLAY_GUIDS}" = "1" ]; then
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[ -n "${ZEVENT_POOL_GUID}" ] && msg="${msg} pool_guid=${ZEVENT_POOL_GUID}"
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[ -n "${ZEVENT_VDEV_GUID}" ] && msg="${msg} vdev_guid=${ZEVENT_VDEV_GUID}"
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else
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[ -n "${ZEVENT_POOL}" ] && msg="${msg} pool='${ZEVENT_POOL}'"
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[ -n "${ZEVENT_VDEV_PATH}" ] && msg="${msg} vdev=$(basename "${ZEVENT_VDEV_PATH}")"
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fi
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# log pool state if state is anything other than 'ACTIVE'
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[ -n "${ZEVENT_POOL_STATE_STR}" ] && [ "$ZEVENT_POOL_STATE" -ne 0 ] && \
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msg="${msg} pool_state=${ZEVENT_POOL_STATE_STR}"
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# Log the following payload nvpairs if they are present
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[ -n "${ZEVENT_VDEV_STATE_STR}" ] && msg="${msg} vdev_state=${ZEVENT_VDEV_STATE_STR}"
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[ -n "${ZEVENT_CKSUM_ALGORITHM}" ] && msg="${msg} algorithm=${ZEVENT_CKSUM_ALGORITHM}"
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[ -n "${ZEVENT_ZIO_SIZE}" ] && msg="${msg} size=${ZEVENT_ZIO_SIZE}"
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[ -n "${ZEVENT_ZIO_OFFSET}" ] && msg="${msg} offset=${ZEVENT_ZIO_OFFSET}"
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[ -n "${ZEVENT_ZIO_PRIORITY}" ] && msg="${msg} priority=${ZEVENT_ZIO_PRIORITY}"
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[ -n "${ZEVENT_ZIO_ERR}" ] && msg="${msg} err=${ZEVENT_ZIO_ERR}"
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[ -n "${ZEVENT_ZIO_FLAGS}" ] && msg="${msg} flags=$(printf '0x%x' "${ZEVENT_ZIO_FLAGS}")"
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# log delays that are >= 10 milisec
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[ -n "${ZEVENT_ZIO_DELAY}" ] && [ "$ZEVENT_ZIO_DELAY" -gt 10000000 ] && \
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msg="${msg} delay=$((ZEVENT_ZIO_DELAY / 1000000))ms"
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# list the bookmark data together
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[ -n "${ZEVENT_ZIO_OBJSET}" ] && \
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msg="${msg} bookmark=${ZEVENT_ZIO_OBJSET}:${ZEVENT_ZIO_OBJECT}:${ZEVENT_ZIO_LEVEL}:${ZEVENT_ZIO_BLKID}"
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zed_log_msg "${msg}"
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exit 0
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