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From 4199d3c629c14866505923d19fa50017ee92d2e1 Mon Sep 17 00:00:00 2001
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From: NeilBrown <neilb@suse.com>
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Date: Wed, 5 Dec 2018 16:35:00 +1100
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Subject: [RHEL7.7 PATCH 04/21] mdcheck: add systemd unit files to run mdcheck.
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Having the mdcheck script is not use if is never run.
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This patch adds systemd unit files so that it can easily
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be run on the first Sunday of each month for 6 hours,
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then on every subsequent morning until the check is
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finished.
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The units still need to be enabled with
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systemctl enable mdcheck_start.timer
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The timer will only actually be started when an array
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which might need it becomes active.
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Signed-off-by: NeilBrown <neilb@suse.com>
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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---
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Makefile | 5 ++++-
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systemd/mdcheck_continue.service | 18 ++++++++++++++++++
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systemd/mdcheck_continue.timer | 13 +++++++++++++
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systemd/mdcheck_start.service | 17 +++++++++++++++++
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systemd/mdcheck_start.timer | 15 +++++++++++++++
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5 files changed, 67 insertions(+), 1 deletion(-)
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create mode 100644 systemd/mdcheck_continue.service
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create mode 100644 systemd/mdcheck_continue.timer
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create mode 100644 systemd/mdcheck_start.service
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create mode 100644 systemd/mdcheck_start.timer
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diff --git a/Makefile b/Makefile
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index 2767ac6..afb62cc 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -276,7 +276,10 @@ install-udev: udev-md-raid-arrays.rules udev-md-raid-assembly.rules udev-md-raid
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install-systemd: systemd/mdmon@.service
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@for file in mdmon@.service mdmonitor.service mdadm-last-resort@.timer \
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- mdadm-last-resort@.service mdadm-grow-continue@.service; \
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+ mdadm-last-resort@.service mdadm-grow-continue@.service \
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+ mdcheck_start.timer mdcheck_start.service \
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+ mdcheck_continue.timer mdcheck_continue.service \
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+ ; \
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do sed -e 's,BINDIR,$(BINDIR),g' systemd/$$file > .install.tmp.2 && \
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$(ECHO) $(INSTALL) -D -m 644 systemd/$$file $(DESTDIR)$(SYSTEMD_DIR)/$$file ; \
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$(INSTALL) -D -m 644 .install.tmp.2 $(DESTDIR)$(SYSTEMD_DIR)/$$file ; \
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diff --git a/systemd/mdcheck_continue.service b/systemd/mdcheck_continue.service
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new file mode 100644
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index 0000000..592c607
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--- /dev/null
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+++ b/systemd/mdcheck_continue.service
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@@ -0,0 +1,18 @@
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+# 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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+
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+[Unit]
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+Description=MD array scrubbing - continuation
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+ConditionPathExistsGlob = /var/lib/mdcheck/MD_UUID_*
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+
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+[Service]
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+Type=oneshot
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+Environment= MDADM_CHECK_DURATION='"6 hours"'
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+EnvironmentFile=-/run/sysconfig/mdadm
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+ExecStartPre=-/usr/lib/mdadm/mdadm_env.sh
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+ExecStart=/usr/share/mdadm/mdcheck --continue --duration $MDADM_CHECK_DURATION
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+
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diff --git a/systemd/mdcheck_continue.timer b/systemd/mdcheck_continue.timer
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new file mode 100644
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index 0000000..3ccfd78
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--- /dev/null
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+++ b/systemd/mdcheck_continue.timer
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@@ -0,0 +1,13 @@
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+# 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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+
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+[Unit]
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+Description=MD array scrubbing - continuation
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+
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+[Timer]
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+OnCalendar= 1:05:00
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+
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diff --git a/systemd/mdcheck_start.service b/systemd/mdcheck_start.service
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new file mode 100644
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index 0000000..812141b
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--- /dev/null
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+++ b/systemd/mdcheck_start.service
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@@ -0,0 +1,17 @@
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+# 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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+
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+[Unit]
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+Description=MD array scrubbing
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+Wants=mdcheck_continue.timer
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+
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+[Service]
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+Type=oneshot
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+Environment= MDADM_CHECK_DURATION='"6 hours"'
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+EnvironmentFile=-/run/sysconfig/mdadm
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+ExecStartPre=-/usr/lib/mdadm/mdadm_env.sh
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+ExecStart=/usr/share/mdadm/mdcheck --duration $MDADM_CHECK_DURATION
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diff --git a/systemd/mdcheck_start.timer b/systemd/mdcheck_start.timer
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new file mode 100644
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index 0000000..6480736
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--- /dev/null
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+++ b/systemd/mdcheck_start.timer
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@@ -0,0 +1,15 @@
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+# 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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+
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+[Unit]
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+Description=MD array scrubbing
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+
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+[Timer]
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+OnCalendar=Sun *-*-1..7 1:00:00
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+
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+[Install]
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+WantedBy= mdmonitor.service
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--
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2.7.5
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