gentoo-overlay/sys-fs/zfs/files/2.0.4-scrub-timers.patch

From e23d7e03637e377591a480d87630b746cdaa377f Mon Sep 17 00:00:00 2001
From: Georgy Yakovlev <gyakovlev@gentoo.org>
Date: Sat, 22 May 2021 22:27:39 -0700
Subject: [PATCH] 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/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       | 12 ++++++++++++
 4 files changed, 40 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..4c585f45f
--- /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
+AccuracySec=1h
+Persistent=true
+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..b2454be2c
--- /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
+AccuracySec=1h
+Persistent=true
+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..720901165
--- /dev/null
+++ b/etc/systemd/system/zfs-scrub@.service.in
@@ -0,0 +1,12 @@
+[Unit]
+Description=zpool scrub on %i
+Documentation=man:zpool-scrub(8)
+Requires=zfs.target
+After=zfs.target
+ConditionPathIsDirectory=/sys/module/zfs
+
+[Service]
+Nice=19
+IOSchedulingClass=idle
+KillSignal=SIGINT
+ExecStart=@sbindir@/zpool scrub %i
-- 
2.31.1