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3337f425ff
Co-authored-by: GLOVER RENE <rg9975@cs419-mgmtserver.rg9975nprd.app.ecp.att.com> Co-authored-by: Suresh Kumar Anaparti <sureshkumar.anaparti@gmail.com>
75 lines
2.9 KiB
Bash
Executable File
75 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#########################################################################################
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#
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# Given a WWID, cleanup/remove any multipath and devices associated with this WWID. This
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# may not always have lasting result because if the storage array still has the volume
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# visable to the host, it may be rediscovered. The cleanupStaleMaps.sh script should
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# catch those cases
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#
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#########################################################################################
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WWID=${1:?"WWID required"}
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WWID=$(echo $WWID | tr '[:upper:]' '[:lower:]')
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echo "$(date): Removing ${WWID}"
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systemctl is-active multipathd || systemctl restart multipathd || {
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echo "$(date): Multipathd is NOT running and cannot be started. This must be corrected before this host can access this storage volume."
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logger -t "CS_SCSI_VOL_REMOVE" "${WWID} cannot be disconnected from this host because multipathd is not currently running and cannot be started"
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exit 1
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}
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# first get dm- name
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DM_NAME=$(ls -lrt /dev/mapper/3${WWID} | awk '{ print $NF }' | awk -F'/' '{print $NF}')
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SLAVE_DEVS=""
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if [ -z "${DM_NAME}" ]; then
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logger -t CS_SCSI_VOL_REMOVE "${WWID} has no active multimap so no removal performed"
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logger -t CS_SCSI_VOL_REMOVE "WARN: dm name could not be found for ${WWID}"
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dmsetup remove /dev/mapper/*${WWID}
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logger -t CS_SCSI_VOL_REMOVE "${WWID} removal via dmsetup remove /dev/mapper/${WWID} finished with return code $?"
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else
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# now look for slave devices and save for deletion
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for dev in $(ls /sys/block/${DM_NAME}/slaves/ 2>/dev/null); do
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SLAVE_DEVS="${SLAVE_DEVS} ${dev}"
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done
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fi
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# delete the path map last
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multipath -f 3${WWID}
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# now delete slave devices
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# https://bugzilla.redhat.com/show_bug.cgi?id=1949369
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if [ ! -z "${SLAVE_DEVS}" ]; then
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for dev in ${SLAVE_DEVS}; do
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multipathd del path /dev/${dev}
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echo "1" > /sys/block/${dev}/device/delete
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logger -t CS_SCSI_VOL_REMOVE "${WWID} removal of device ${dev} complete"
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done
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fi
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logger -t CS_SCSI_VOL_REMOVE "${WWID} successfully purged from multipath along with slave devices"
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# Added to give time for the event to be fired to the server
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sleep 10
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echo "$(date): ${WWID} removed"
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exit 0
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