de5fe16817
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/device-mapper-multipath#2cf40b2f98808e3533e915c0a204b885d9da5e43
62 lines
2.1 KiB
Bash
Executable File
62 lines
2.1 KiB
Bash
Executable File
#!/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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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 exit_status=0
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local oom_adj oom_score_adj oom_score lock_file
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# Log "do not kill the mingetty and sshd by oom_killer"
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# Cmd "pidof mingetty"
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# local ttys=$_STDOUT
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# Cmd "pidof sshd"
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# ttys="$ttys $_STDOUT"
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# Cmd "for t in $ttys; do echo -1000 > /proc/\$t/oom_score_adj; done"
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Multipathd_start || Fail "fail to start multipathd"
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local pid=$(pidof multipathd)
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#this bug is for 6.2 has oom_score_adj
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Cmd "[ -r /proc/$pid/oom_score_adj ]" || Fail "oom_score_adj not existing, do NOT support this kernel version"
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Cmd "cat /proc/$pid/oom_adj"
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oom_adj=$_STDOUT
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Cmd "cat /proc/$pid/oom_score_adj"
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oom_score_adj=$_STDOUT
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Cmd "cat /proc/$pid/oom_score"
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oom_score=$_STDOUT
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#should set the oom_adj to -17 and oom_score_adj to -1000 so that multipathd will never be selected to kill by oom_killer
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[ X"$oom_adj" = X"-17" ] || Fail "oom_adj is not -17"
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[ X"$oom_score_adj" = X"-1000" ] || Fail "oom_score_adj is not -1000"
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# we don't need to test the real oom action. just check the oom_adj
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Multipathd_stop || Fail "fail to stop multipathd"
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return $exit_status
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}
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main || Fail "multipathd invokes oom_killer"
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Pass
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