60 lines
2.2 KiB
Bash
Executable File
60 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2018 Dell EMC Isilon
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# memory disk with vnode on a tmpfs file system triggers:
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# "g_handleattr(GEOM::ident): md10 bio_length 24 len 31 -> EFAULT"
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. ../default.cfg
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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set -e
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mp2=${mntpoint}2
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mkdir -p $mp2
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mount | grep "on $mp2 " | grep -q /dev/md && umount -f $mp2
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mount -t tmpfs tmpfs $mp2
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mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint
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[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
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diskimage=$mp2/diskimage
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dd if=/dev/zero of=$diskimage bs=1m count=2k status=none
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mdconfig -a -t vnode -f $diskimage -u $mdstart
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bsdlabel -w md$mdstart auto
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newfs -U /dev/md${mdstart}$part > /dev/null
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mount /dev/md${mdstart}$part $mntpoint
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for i in `jot 10`; do
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umount $mntpoint && break
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sleep .5
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done
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mount | grep "on $mntpoint " && { echo FATAL; exit 1; }
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mdconfig -d -u $mdstart
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umount $mp2
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tail -5 /var/log/messages | grep g_handleattr && s=1 || s=0
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exit $s
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