Author: 0mp (doc,ports committer)
Date: Tue Nov 3 10:02:52 2020
New Revision: 367291
URL: https://svnweb.freebsd.org/changeset/base/367291
Log:
rc.d/zfs: Add shutdown to KEYWORDS
The problem is that Without walling /etc/rc.d/zfs on shutdown, resources
associated with ZFS mounts are not freed and the jails will remain in dying
state. In addition, the dataset is now in a dangling state, as the jail it
is attached to is dying.
A known workaround for jails was to add the following lines
to /etc/jail.conf, to make sure that "service zfs stop" is run
when the jail is stopped:
exec.stop = "/bin/sh /etc/rc.shutdown";
exec.stop += "/usr/sbin/service zfs stop || /usr/bin/true";
While the workaround seems to be okay-ish for the jail situation, it is
still unclean. However, for physical hosts this may wreak havoc with the
pool if shared spares are used, as "zfs unshare" is never invoked on
shutdown.
PR: 147444
Submitted by: Markus Stoff <markus__stoffdv_at>
Reported by: Mykah <mburkhardt__exavault_com>
Reviewed by: cy
Approved by: cy (src)
MFC after: 1 week
Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D27039
Modified:
head/libexec/rc/rc.d/zfs
Modified: head/libexec/rc/rc.d/zfs
==============================================================================
--- head/libexec/rc/rc.d/zfs Tue Nov 3 02:10:54 2020 (r367290)
+++ head/libexec/rc/rc.d/zfs Tue Nov 3 10:02:52 2020 (r367291)
@@ -6,6 +6,7 @@
# PROVIDE: zfs
# REQUIRE: zfsbe
# BEFORE: FILESYSTEMS var
+# KEYWORD: shutdown
. /etc/rc.subr
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