RandomizedDelaySec added to make it unlikely that they fire simultaneously with other daily/weekly/etc. events.

Author: gaerfield

timers/zfs-auto-snapshot-daily.timer

@@ -5,6 +5,7 @@ Description=ZFS daily snapshot timer
 [Timer]
 OnCalendar=daily
 Persistent=true
+RandomizedDelaySec=600
 
 [Install]
 WantedBy=timers.target

timers/zfs-auto-snapshot-frequent.timer

@@ -5,6 +5,7 @@ Description=ZFS frequent snapshot timer
 [Timer]
 OnCalendar=*:0/15
 Persistent=true
+RandomizedDelaySec=60
 
 [Install]
 WantedBy=timers.target

timers/zfs-auto-snapshot-hourly.timer

@@ -5,6 +5,7 @@ Description=ZFS hourly snapshot timer
 [Timer]
 OnCalendar=hourly
 Persistent=true
+RandomizedDelaySec=59
 
 [Install]
 WantedBy=timers.target

timers/zfs-auto-snapshot-monthly.timer

@@ -5,6 +5,7 @@ Description=ZFS monthly snapshot timer
 [Timer]
 OnCalendar=monthly
 Persistent=true
+RandomizedDelaySec=600
 
 [Install]
 WantedBy=timers.target

timers/zfs-auto-snapshot-weekly.timer

@@ -5,6 +5,7 @@ Description=ZFS weekly snapshot timer
 [Timer]
 OnCalendar=weekly
 Persistent=true
+RandomizedDelaySec=600
 
 [Install]
 WantedBy=timers.target