55 lines
1.8 KiB
Bash
55 lines
1.8 KiB
Bash
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#!/bin/bash
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# Copyright (c) 2016 Red Hat, Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the 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,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Author: Lin Li <lilin@redhat.com>
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source ../include/ec.sh || exit 200
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function main (){
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local exit_status=1
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Multipath_installation || Fail "fail to install device-mapper-multipath"
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Print_kernel_info
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Print_multipath_pkginfo
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local stdout stderr
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Log "create the multipathed disk via scsi_debug"
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_init || Fail "fail to create the multipathed disk"
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Cmd "multipath -ll"
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Log "fail the multipathed disk"
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Cmd "echo 0 > /sys/bus/pseudo/drivers/scsi_debug/max_luns"
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Log "check the output of multipath & multipath -ll $mpath"
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#will print the unexpected output if the issue is still there
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#multipath to scan disks
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Cmd "multipath ; multipath -ll $mpath"
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stdout=${_STDOUT}
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stderr=${_STDERR}
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#mark as pass if no scsi_id error message observered
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echo $stdout $stderr | grep '/lib/udev/scsi_id exitted' 1>/dev/null || exit_status=0
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Cmd "echo 2 > /sys/bus/pseudo/drivers/scsi_debug/max_luns"
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Cmd "multipath ; multipath -ll $mpath"
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_destroy
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return $exit_status
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}
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main || Fail "still print the message: scsi_id exitted while scanning the failed path"
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Pass
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