8d1d32bb33
1/ Add systemd shutdown script to ensure DDF and IMSM are clean before we actually shutdown 2/ Get udev to tell systemd to run the mdmon@mdXXX.service units when a member array appears. If we boot off a member array (with dracut at least), the mdmon started in the initramfs will lose track of /sys etc, so we need to restart it. systemd will try to forget about it too (but not actually kill it because we said not to do this). Having udev tell it to start it will allow a new mdmon to run which can see /sys, and systemd will know about it. 3/ Always use --offroot and --takeover when starting mdmon with systemd --offroot is needed else shutdown will hang. --takeover is needed incase an mdmon was started earlier (e.g. in initramfs). Neither hurt if they aren't actually needed. Signed-off-by: NeilBrown <neilb@suse.de>
29 lines
1.0 KiB
Desktop File
29 lines
1.0 KiB
Desktop File
# This file is part of mdadm.
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#
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# mdadm is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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[Unit]
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Description=MD Metadata Monitor on /dev/%I
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DefaultDependencies=no
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Before=initrd-switch-root.target
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[Service]
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# mdmon should never complain due to lack of a platform,
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# that is mdadm's job if at all.
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Environment=IMSM_NO_PLATFORM=1
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# The mdmon starting in the initramfs (with dracut at least)
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# cannot see sysfs after root is mounted, so we will have to
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# 'takeover'. As the '--offroot --takeover' don't hurt when
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# not necessary, are are useful with root-on-md in dracut,
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# have them always present.
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ExecStart=/sbin/mdmon --offroot --takeover %I
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Type=forking
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# Don't set the PIDFile. It isn't necessary (systemd can work
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# it out) and systemd will remove it when transitioning from
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# initramfs to rootfs.
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#PIDFile=/run/mdadm/%I.pid
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KillMode=none
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