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Split the cron file for anacron compatibilty.

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Split the cron file so that the hourly, daily, weekly, and monthly
zfs automatic snapshots still happen even if the system is offline
temporarily during the scheduled event, such as during a reboot.

On Debian systems, if anacron is installed, then it is used to run
the /etc/cron.{hourly,daily,weekly,monthly} directories, but not
the /etc/cron.d directory. This means that /etc/cron.d jobs are not
run if the system is offline when crond would usually invoke them.
This commit is contained in:
Darik Horn 2011-11-25 10:51:03 -06:00
parent 5ce7a23384
commit 4b7609791b
6 changed files with 17 additions and 1 deletions
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10
Makefile
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@ -2,6 +2,14 @@ all:
install:
install -d $(DESTDIR)$(PREFIX)/etc/cron.d
install etc/zfs-auto-snapshot.cron $(DESTDIR)$(PREFIX)/etc/cron.d/zfs-auto-snapshot
install -d $(DESTDIR)$(PREFIX)/etc/cron.daily
install -d $(DESTDIR)$(PREFIX)/etc/cron.hourly
install -d $(DESTDIR)$(PREFIX)/etc/cron.weekly
install -d $(DESTDIR)$(PREFIX)/etc/cron.monthly
install etc/zfs-auto-snapshot.cron.frequent $(DESTDIR)$(PREFIX)/etc/cron.d/zfs-auto-snapshot
install etc/zfs-auto-snapshot.cron.hourly $(DESTDIR)$(PREFIX)/etc/cron.daily/zfs-auto-snapshot
install etc/zfs-auto-snapshot.cron.daily $(DESTDIR)$(PREFIX)/etc/cron.hourly/zfs-auto-snapshot
install etc/zfs-auto-snapshot.cron.weekly $(DESTDIR)$(PREFIX)/etc/cron.weekly/zfs-auto-snapshot
install etc/zfs-auto-snapshot.cron.monthly $(DESTDIR)$(PREFIX)/etc/cron.monthly/zfs-auto-snapshot
install -d $(DESTDIR)$(PREFIX)/sbin
install src/zfs-auto-snapshot.sh $(DESTDIR)$(PREFIX)/sbin/zfs-auto-snapshot

2
etc/zfs-auto-snapshot.cron.daily Normal file
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@ -0,0 +1,2 @@
#!/bin/sh
exec zfs-auto-snapshot --quiet --syslog --label=daily --keep=31 //

0
etc/zfs-auto-snapshot.cron → etc/zfs-auto-snapshot.cron.frequent
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2
etc/zfs-auto-snapshot.cron.hourly Normal file
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@ -0,0 +1,2 @@
#!/bin/sh
exec zfs-auto-snapshot --quiet --syslog --label=hourly --keep=24 //

2
etc/zfs-auto-snapshot.cron.monthly Normal file
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@ -0,0 +1,2 @@
#!/bin/sh
exec zfs-auto-snapshot --quiet --syslog --label=monthly --keep=12 //

2
etc/zfs-auto-snapshot.cron.weekly Normal file
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@ -0,0 +1,2 @@
#!/bin/sh
exec zfs-auto-snapshot --quiet --syslog --label=weekly --keep=4 //