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mdcheck: add systemd unit files to run mdcheck. 

Having the mdcheck script is not use if is never run.
This patch adds systemd unit files so that it can easily
be run on the first Sunday of each month for 6 hours,
then on every subsequent morning until the check is
finished.

The units still need to be enabled with
  systemctl enable mdcheck_start.timer

The timer will only actually be started when an array
which might need it becomes active.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
This commit is contained in:
NeilBrown 2018-12-05 16:35:00 +11:00 committed by Jes Sorensen
parent cd72f9d114
commit 4199d3c629
5 changed files with 67 additions and 1 deletions
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5
Makefile
View File

@ -276,7 +276,10 @@ install-udev: udev-md-raid-arrays.rules udev-md-raid-assembly.rules udev-md-raid
install-systemd: systemd/mdmon@.service
@for file in mdmon@.service mdmonitor.service mdadm-last-resort@.timer \
mdadm-last-resort@.service mdadm-grow-continue@.service; \
mdadm-last-resort@.service mdadm-grow-continue@.service \
mdcheck_start.timer mdcheck_start.service \
mdcheck_continue.timer mdcheck_continue.service \
; \
do sed -e 's,BINDIR,$(BINDIR),g' systemd/$$file > .install.tmp.2 && \
$(ECHO) $(INSTALL) -D -m 644 systemd/$$file $(DESTDIR)$(SYSTEMD_DIR)/$$file ; \
$(INSTALL) -D -m 644 .install.tmp.2 $(DESTDIR)$(SYSTEMD_DIR)/$$file ; \

18
systemd/mdcheck_continue.service Normal file
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@ -0,0 +1,18 @@
# This file is part of mdadm.
#
# mdadm is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
[Unit]
Description=MD array scrubbing - continuation
ConditionPathExistsGlob = /var/lib/mdcheck/MD_UUID_*
[Service]
Type=oneshot
Environment= MDADM_CHECK_DURATION='"6 hours"'
EnvironmentFile=-/run/sysconfig/mdadm
ExecStartPre=-/usr/lib/mdadm/mdadm_env.sh
ExecStart=/usr/share/mdadm/mdcheck --continue --duration $MDADM_CHECK_DURATION

13
systemd/mdcheck_continue.timer Normal file
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@ -0,0 +1,13 @@
# This file is part of mdadm.
#
# mdadm is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
[Unit]
Description=MD array scrubbing - continuation
[Timer]
OnCalendar= 1:05:00

17
systemd/mdcheck_start.service Normal file
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@ -0,0 +1,17 @@
# This file is part of mdadm.
#
# mdadm is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
[Unit]
Description=MD array scrubbing
Wants=mdcheck_continue.timer
[Service]
Type=oneshot
Environment= MDADM_CHECK_DURATION='"6 hours"'
EnvironmentFile=-/run/sysconfig/mdadm
ExecStartPre=-/usr/lib/mdadm/mdadm_env.sh
ExecStart=/usr/share/mdadm/mdcheck --duration $MDADM_CHECK_DURATION

15
systemd/mdcheck_start.timer Normal file
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@ -0,0 +1,15 @@
# This file is part of mdadm.
#
# mdadm is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
[Unit]
Description=MD array scrubbing
[Timer]
OnCalendar=Sun *-*-1..7 1:00:00
[Install]
WantedBy= mdmonitor.service