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From 7cd7e91ab3de5aa75dc963cb08b0618c1885cf0d 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 05/21] Monitor: add system timer to run --oneshot
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periodically
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"mdadm --monitor --oneshot" can be used to get a warning
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if there are any degraded arrays. It can be helpful to get
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this warning periodically while the condition persists.
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This patch add a systemd service and timer which can
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be enabled with
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systemctl enable mdmonitor-oneshot.service
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and will then provide daily warnings.
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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 | 1 +
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systemd/mdmonitor-oneshot.service | 15 +++++++++++++++
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systemd/mdmonitor-oneshot.timer | 15 +++++++++++++++
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3 files changed, 31 insertions(+)
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create mode 100644 systemd/mdmonitor-oneshot.service
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create mode 100644 systemd/mdmonitor-oneshot.timer
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diff --git a/Makefile b/Makefile
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index afb62cc..dfe00b0 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -279,6 +279,7 @@ install-systemd: systemd/mdmon@.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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+ mdmonitor-oneshot.timer mdmonitor-oneshot.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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diff --git a/systemd/mdmonitor-oneshot.service b/systemd/mdmonitor-oneshot.service
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new file mode 100644
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index 0000000..fd469b1
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--- /dev/null
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+++ b/systemd/mdmonitor-oneshot.service
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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=Reminder for degraded MD arrays
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+
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+[Service]
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+Environment= MDADM_MONITOR_ARGS=--scan
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+EnvironmentFile=-/run/sysconfig/mdadm
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+ExecStartPre=-/usr/lib/mdadm/mdadm_env.sh
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+ExecStart=BINDIR/mdadm --monitor --oneshot $MDADM_MONITOR_ARGS
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diff --git a/systemd/mdmonitor-oneshot.timer b/systemd/mdmonitor-oneshot.timer
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new file mode 100644
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index 0000000..cb54bda
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--- /dev/null
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+++ b/systemd/mdmonitor-oneshot.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=Reminder for degraded MD arrays
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+
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+[Timer]
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+OnCalendar= 2:00:00
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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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