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From 2c9844d159024d4c742d24639a218213fb53d537 Mon Sep 17 00:00:00 2001
From: Georgy Yakovlev <gyakovlev@gentoo.org>
Date: Sat, 22 May 2021 22:27:39 -0700
Subject: [PATCH 1/2] systemd: add weekly and monthly scrub timers
timers can be enabled as follows:
systemctl enable zfs-scrub-weekly@rpool.timer --now
systemctl enable zfs-scrub-monthly@datapool.timer --now
Each timer will pull in zfs-scrub@${poolname}.service, which is not
schedule-specific.
Signed-off-by: Georgy Yakovlev <gyakovlev@gentoo.org>
---
etc/systemd/system/.gitignore | 1 +
etc/systemd/system/Makefile.am | 5 ++++-
etc/systemd/system/zfs-scrub-monthly@.timer.in | 12 ++++++++++++
etc/systemd/system/zfs-scrub-weekly@.timer.in | 12 ++++++++++++
etc/systemd/system/zfs-scrub@.service.in | 14 ++++++++++++++
5 files changed, 43 insertions(+), 1 deletion(-)
create mode 100644 etc/systemd/system/zfs-scrub-monthly@.timer.in
create mode 100644 etc/systemd/system/zfs-scrub-weekly@.timer.in
create mode 100644 etc/systemd/system/zfs-scrub@.service.in
diff --git a/etc/systemd/system/Makefile.am b/etc/systemd/system/Makefile.am
index c374a52ac..5e65e1db4 100644
--- a/etc/systemd/system/Makefile.am
+++ b/etc/systemd/system/Makefile.am
@@ -12,7 +12,10 @@ systemdunit_DATA = \
zfs-volume-wait.service \
zfs-import.target \
zfs-volumes.target \
- zfs.target
+ zfs.target \
+ zfs-scrub-monthly@.timer \
+ zfs-scrub-weekly@.timer \
+ zfs-scrub@.service
SUBSTFILES += $(systemdpreset_DATA) $(systemdunit_DATA)
diff --git a/etc/systemd/system/zfs-scrub-monthly@.timer.in b/etc/systemd/system/zfs-scrub-monthly@.timer.in
new file mode 100644
index 000000000..903068468
--- /dev/null
+++ b/etc/systemd/system/zfs-scrub-monthly@.timer.in
@@ -0,0 +1,12 @@
+[Unit]
+Description=Monthly zpool scrub timer for %i
+Documentation=man:zpool-scrub(8)
+
+[Timer]
+OnCalendar=monthly
+Persistent=true
+RandomizedDelaySec=1h
+Unit=zfs-scrub@%i.service
+
+[Install]
+WantedBy=timers.target
diff --git a/etc/systemd/system/zfs-scrub-weekly@.timer.in b/etc/systemd/system/zfs-scrub-weekly@.timer.in
new file mode 100644
index 000000000..ede699500
--- /dev/null
+++ b/etc/systemd/system/zfs-scrub-weekly@.timer.in
@@ -0,0 +1,12 @@
+[Unit]
+Description=Weekly zpool scrub timer for %i
+Documentation=man:zpool-scrub(8)
+
+[Timer]
+OnCalendar=weekly
+Persistent=true
+RandomizedDelaySec=1h
+Unit=zfs-scrub@%i.service
+
+[Install]
+WantedBy=timers.target
diff --git a/etc/systemd/system/zfs-scrub@.service.in b/etc/systemd/system/zfs-scrub@.service.in
new file mode 100644
index 000000000..c04ac292a
--- /dev/null
+++ b/etc/systemd/system/zfs-scrub@.service.in
@@ -0,0 +1,14 @@
+[Unit]
+Description=zpool scrub on %i
+Documentation=man:zpool-scrub(8)
+Requires=zfs.target
+After=zfs.target
+ConditionACPower=true
+ConditionPathIsDirectory=/sys/module/zfs
+
+[Service]
+ExecStart=/bin/sh -c '\
+if @sbindir@/zpool status %i | grep "scrub in progress"; then\
+exec @sbindir@/zpool wait -t scrub %i;\
+else exec @sbindir@/zpool scrub -w %i; fi'
+ExecStop=-/bin/sh -c '@sbindir@/zpool scrub -p %i 2>/dev/null || true'
--
2.34.1
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