178dcc6ad3
* Fix for archiving issue (not rotating until HC_LOG becomes empty) * Fix for data_space2comma -> data_comma2space * Report layout updates * Smaller fixes + updates
275 lines
9.1 KiB
Bash
275 lines
9.1 KiB
Bash
#!/usr/bin/env ksh
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#******************************************************************************
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# @(#) check_hpux_lunpaths.sh
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#******************************************************************************
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# @(#) Copyright (C) 2017 by KUDOS BVBA (info@kudos.be). All rights reserved.
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#
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# This program is a free software; you can redistribute it and/or modify
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# it under the same terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details
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#******************************************************************************
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#
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# DOCUMENTATION (MAIN)
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# -----------------------------------------------------------------------------
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# @(#) MAIN: check_hpux_lunpaths
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# DOES: see _show_usage()
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# EXPECTS: see _show_usage()
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# REQUIRES: data_comma2space(), init_hc(), log_hc(), warn()
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#
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# @(#) HISTORY:
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# @(#) 2017-12-20: initial version [Patrick Van der Veken]
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# @(#) 2018-18-22: reworked discovery routine (accommdate large number of LUNS)
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# @(#) [Patrick Van der Veken]
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# @(#) 2018-11-18: do not trap on signal 0 [Patrick Van der Veken]
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# @(#) 2019-01-24: arguments fix [Patrick Van der Veken]
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# -----------------------------------------------------------------------------
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# DO NOT CHANGE THIS FILE UNLESS YOU KNOW WHAT YOU ARE DOING!
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#******************************************************************************
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# -----------------------------------------------------------------------------
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function check_hpux_lunpaths
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{
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# ------------------------- CONFIGURATION starts here -------------------------
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typeset _IOSCAN_BIN="/usr/sbin/ioscan"
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typeset _IOSCAN_OPTS="-C disk -P wwid"
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typeset _SCSIMGR_BIN="/usr/sbin/scsimgr"
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typeset _SCSIMGR_OPTS="-v get_info all_lun"
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typeset _VERSION="2019-01-24" # YYYY-MM-DD
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typeset _SUPPORTED_PLATFORMS="HP-UX" # uname -s match
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# ------------------------- CONFIGURATION ends here ---------------------------
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# set defaults
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(( ARG_DEBUG > 0 && ARG_DEBUG_LEVEL > 0 )) && set ${DEBUG_OPTS}
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init_hc "$0" "${_SUPPORTED_PLATFORMS}" "${_VERSION}"
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typeset _ARGS=$(data_comma2space "$*")
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typeset _ARG=""
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typeset _MSG=""
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typeset _STC=0
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typeset _LOG_HEALTHY=0
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typeset _TMP1_FILE="${TMP_DIR}/.$0.ioscan_tmp.$$"
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typeset _TMP2_FILE="${TMP_DIR}/.$0.scsimgr_tmp.$$"
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typeset _HW_PATH=""
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typeset _ACTIVE_PATH_COUNT=""
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typeset _ALL_PATH_COUNT=""
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typeset _FAILED_PATH_COUNT=""
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typeset _STANDBY_PATH_COUNT=""
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typeset _WWID=""
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# handle arguments (originally comma-separated)
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for _ARG in ${_ARGS}
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do
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case "${_ARG}" in
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help)
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_show_usage $0 ${_VERSION} ${_CONFIG_FILE} && return 0
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;;
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esac
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done
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# log_healthy
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(( ARG_LOG_HEALTHY > 0 )) && _LOG_HEALTHY=1
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if (( _LOG_HEALTHY > 0 ))
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then
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if (( ARG_LOG > 0 ))
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then
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log "logging/showing passed health checks"
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else
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log "showing passed health checks (but not logging)"
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fi
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else
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log "not logging/showing passed health checks"
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fi
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# set local trap for cleanup
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# shellcheck disable=SC2064
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trap "[[ -f ${_TMP1_FILE} ]] && rm -f ${_TMP1_FILE} >/dev/null 2>&1;
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[[ -f ${_TMP2_FILE} ]] && rm -f ${_TMP2_FILE} >/dev/null 2>&1;
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return 1" 1 2 3 15
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# check required tools
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if [[ ! -x ${_IOSCAN_BIN} ]]
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then
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warn "${_IOSCAN_BIN} is not installed here"
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return 1
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fi
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if [[ ! -x ${_SCSIMGR_BIN} ]]
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then
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warn "${_SCSIMGR_BIN} is not installed here"
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return 1
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fi
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# check TMP_FILEs
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: >${_TMP1_FILE}
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(( $? > 0 )) && {
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warn "failed to create temporary file at ${_TMP1_FILE}"
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return 1
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}
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: >${_TMP2_FILE}
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(( $? > 0 )) && {
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warn "failed to create temporary file at ${_TMP2_FILE}"
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return 1
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}
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# get all disk LUNs
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(( ARG_DEBUG > 0 )) && debug "collecting ioscan information"
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print "=== ioscan ===" >>${HC_STDOUT_LOG}
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${_IOSCAN_BIN} ${_IOSCAN_OPTS} >${_TMP1_FILE} 2>>${HC_STDERR_LOG}
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if (( $? > 0 ))
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then
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_MSG="unable to gather ioscan information"
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log_hc "$0" 1 "${_MSG}"
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# dump debug info
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(( ARG_DEBUG > 0 && ARG_DEBUG_LEVEL > 0 )) && dump_logs
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return 1
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fi
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# collect scsimgr info for all LUNs
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(( ARG_DEBUG > 0 )) && debug "collecting scsimgr information"
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${_SCSIMGR_BIN} ${_SCSIMGR_OPTS} >${_TMP2_FILE} 2>>${HC_STDERR_LOG}
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if (( $? > 0 ))
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then
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_MSG="unable to gather scsimgr information"
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log_hc "$0" 1 "${_MSG}"
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# dump debug info
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(( ARG_DEBUG > 0 && ARG_DEBUG_LEVEL > 0 )) && dump_logs
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return 1
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fi
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# parse ioscan + scsimgr results (WWID is the glue)
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(( ARG_DEBUG > 0 )) && debug "glueing ioscan & scsimgr information together"
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awk 'BEGIN { wwid = ""; active_paths = ""; all_paths = ""; failed_paths = ""; standby_paths = ""; }
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{
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# parse ioscan file (build disks[] array)
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#Class I H/W Path wwid
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#===============================
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#disk 4 64000/0xfa00/0x2 0x60060e8007e2b1000030e2b10000bb68
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#disk 5 64000/0xfa00/0x3 0x60060e8007e2b1000030e2b100006040
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if (FILENAME ~ /ioscan/) {
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if ($0 ~ /^disk/) {
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disks[$4] = $3;
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}
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}
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# parse scsimgr file (build paths_*[] arrays)
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if (FILENAME ~ /scsimgr/) {
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# parse until end of stanza (=empty line)
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if ($0 ~ /^World Wide Identifier/ ) {
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split ($0, line, "=");
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wwid = line[2];
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gsub (/ /,"", wwid);
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getline;
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while ($0 !~ /^$/) {
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if ($0 ~ /^LUN path count/) {
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split ($0, line, "=");
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all_paths = line[2];
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gsub (/ /,"", all_paths);
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}
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if ($0 ~ /^Active LUN paths/) {
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split ($0, line, "=");
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active_paths = line[2];
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gsub (/ /,"", active_paths);
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}
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if ($0 ~ /^Failed LUN paths/) {
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split ($0, line, "=");
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failed_paths = line[2];
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gsub (/ /,"", failed_paths);
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}
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if ($0 ~ /^Standby LUN paths/) {
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split ($0, line, "=");
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standby_paths = line[2];
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gsub (/ /,"", standby_paths);
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}
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if (wwid != "" &&
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active_paths != "" &&
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all_paths != "" &&
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failed_paths != "" &&
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standby_paths != "") {
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paths_active[wwid] = active_paths;
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paths_all[wwid] = all_paths;
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paths_failed[wwid] = failed_paths;
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paths_standby[wwid] = standby_paths;
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# reset variables
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wwid = ""; active_paths = "";
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all_paths = ""; failed_paths = "";
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standby_paths = "";
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}
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getline;
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}
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}
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}
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}
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END {
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# loop over all disk LUNs to display their SCSI attributes
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for (wwid in disks) {
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print wwid "|" disks[wwid] "|" paths_active[wwid] "|" paths_all[wwid] "|" paths_failed[wwid] "|" paths_standby[wwid]
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}
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}' ${_TMP1_FILE} ${_TMP2_FILE} 2>/dev/null |\
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while IFS='|' read -r _WWID _HW_PATH _ACTIVE_PATH_COUNT _ALL_PATH_COUNT _FAILED_PATH_COUNT _STANDBY_PATH_COUNT
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do
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if [[ -z "${_ACTIVE_PATH_COUNT}" ]] ||
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[[ -z "${_ALL_PATH_COUNT}" ]] ||
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[[ -z "${_FAILED_PATH_COUNT}" ]] ||
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[[ -z "${_STANDBY_PATH_COUNT}" ]]
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then
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warn "missing info for ${_HW_PATH}, skipping LUN"
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continue
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fi
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# take standby paths out of the total path count (non-cabled FC ports)
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_ALL_PATH_COUNT=$(( _ALL_PATH_COUNT - _STANDBY_PATH_COUNT ))
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# check for failed paths
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if (( _FAILED_PATH_COUNT > 0 ))
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then
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_MSG="${_HW_PATH}: ${_FAILED_PATH_COUNT} failed lunpath(s)"
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_STC=1
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else
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_MSG="${_HW_PATH}: 0 failed lunpath(s)"
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_STC=0
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fi
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if (( _LOG_HEALTHY > 0 || _STC > 0 ))
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then
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log_hc "$0" ${_STC} "${_MSG}" ${_FAILED_PATH_COUNT} ${_ALL_PATH_COUNT}
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fi
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done
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# save ioscan info for posterity
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printf "=== ioscan ===" >>${HC_STDOUT_LOG}
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cat ${_TMP1_FILE} >>${HC_STDOUT_LOG}
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# save scsimgr info for posterity
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printf "\n\n=== scsimgr ===" >>${HC_STDOUT_LOG}
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cat ${_TMP2_FILE} >>${HC_STDOUT_LOG}
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# do cleanup
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[[ -f ${_TMP1_FILE} ]] && rm -f ${_TMP1_FILE} >/dev/null 2>&1
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[[ -f ${_TMP2_FILE} ]] && rm -f ${_TMP2_FILE} >/dev/null 2>&1
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return 0
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}
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# -----------------------------------------------------------------------------
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function _show_usage
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{
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cat <<- EOT
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NAME : $1
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VERSION : $2
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PURPOSE : Check the active and failed (non-active) lunpaths of DISK devices
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EOT
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return 0
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}
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#******************************************************************************
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# END of script
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#******************************************************************************
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