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Add init script to load keys
Add new init scripts which allow automatic loading of keys if keylocation property is set to a URI. Reviewed-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Benedikt Neuffer <ogelpre@itfriend.de> Closes #11659 Closes #11662
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@ -1,4 +1,4 @@
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# ZoL userland configuration.
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# OpenZFS userland configuration.
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# NOTE: This file is intended for sysv init and initramfs.
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# Changing some of these settings may not make any difference on
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@ -10,6 +10,12 @@
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# Anything else will be interpreted as unset.
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# shellcheck disable=SC2034
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# Run `zfs load-key` during system start?
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ZFS_LOAD_KEY='yes'
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# Run `zfs unload-key` during system stop?
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ZFS_UNLOAD_KEY='no'
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# Run `zfs mount -a` during system start?
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ZFS_MOUNT='yes'
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1
etc/init.d/.gitignore
vendored
1
etc/init.d/.gitignore
vendored
@ -1,4 +1,5 @@
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zfs-import
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zfs-load-key
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zfs-mount
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zfs-share
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zfs-zed
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@ -3,7 +3,7 @@ include $(top_srcdir)/config/Shellcheck.am
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EXTRA_DIST += README.md
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init_SCRIPTS = zfs-import zfs-mount zfs-share zfs-zed
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init_SCRIPTS = zfs-import zfs-load-key zfs-mount zfs-share zfs-zed
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SUBSTFILES += $(init_SCRIPTS)
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@ -42,14 +42,16 @@ INSTALLING INIT SCRIPT LINKS
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To setup the init script links in /etc/rc?.d manually on a Debian GNU/Linux
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(or derived) system, run the following commands (the order is important!):
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update-rc.d zfs-import start 07 S . stop 07 0 1 6 .
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update-rc.d zfs-mount start 02 2 3 4 5 . stop 06 0 1 6 .
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update-rc.d zfs-zed start 07 2 3 4 5 . stop 08 0 1 6 .
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update-rc.d zfs-share start 27 2 3 4 5 . stop 05 0 1 6 .
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update-rc.d zfs-import start 07 S . stop 07 0 1 6 .
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update-rc.d zfs-load-key start 02 2 3 4 5 . stop 06 0 1 6 .
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update-rc.d zfs-mount start 02 2 3 4 5 . stop 06 0 1 6 .
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update-rc.d zfs-zed start 07 2 3 4 5 . stop 08 0 1 6 .
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update-rc.d zfs-share start 27 2 3 4 5 . stop 05 0 1 6 .
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To do the same on RedHat, Fedora and/or CentOS:
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chkconfig zfs-import
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chkconfig zfs-load-key
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chkconfig zfs-mount
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chkconfig zfs-zed
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chkconfig zfs-share
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@ -57,6 +59,7 @@ INSTALLING INIT SCRIPT LINKS
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On Gentoo:
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rc-update add zfs-import boot
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rc-update add zfs-load-key boot
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rc-update add zfs-mount boot
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rc-update add zfs-zed default
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rc-update add zfs-share default
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131
etc/init.d/zfs-load-key.in
Executable file
131
etc/init.d/zfs-load-key.in
Executable file
@ -0,0 +1,131 @@
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#!@DEFAULT_INIT_SHELL@
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#
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# zfs-load-key This script will load/unload the zfs filesystems keys.
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#
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# chkconfig: 2345 06 99
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# description: This script will load or unload the zfs filesystems keys during
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# system boot/shutdown. Only filesystems with key path set
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# in keylocation property. See the zfs(8) man page for details.
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# probe: true
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#
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### BEGIN INIT INFO
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# Provides: zfs-load-key
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# Required-Start: $local_fs zfs-import
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# Required-Stop: $local_fs zfs-import
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# X-Start-Before: zfs-mount
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# X-Stop-After: zfs-zed
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# Short-Description: Load ZFS keys for filesystems and volumes
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# Description: Run the `zfs load-key` or `zfs unload-key` commands.
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### END INIT INFO
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#
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# Released under the 2-clause BSD license.
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#
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# This script is based on debian/zfsutils.zfs.init from the
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# Debian GNU/kFreeBSD zfsutils 8.1-3 package, written by Aurelien Jarno.
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# Source the common init script
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. @sysconfdir@/zfs/zfs-functions
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# ----------------------------------------------------
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do_depend()
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{
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# bootmisc will log to /var which may be a different zfs than root.
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before bootmisc logger zfs-mount
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after zfs-import sysfs
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keyword -lxc -openvz -prefix -vserver
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}
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# Load keys for all datasets/filesystems
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do_load_keys()
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{
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zfs_log_begin_msg "Load ZFS filesystem(s) keys"
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"$ZFS" list -Ho name,encryptionroot,keystatus,keylocation |
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while IFS=" " read -r name encryptionroot keystatus keylocation; do
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if [ "$encryptionroot" != "-" ] &&
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[ "$name" = "$encryptionroot" ] &&
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[ "$keystatus" = "unavailable" ] &&
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[ "$keylocation" != "prompt" ] &&
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[ "$keylocation" != "none" ]
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then
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zfs_action "Load key for $encryptionroot" \
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"$ZFS" load-key "$encryptionroot"
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fi
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done
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zfs_log_end_msg 0
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return 0
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}
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# Unload keys for all datasets/filesystems
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do_unload_keys()
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{
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zfs_log_begin_msg "Unload ZFS filesystem(s) key"
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"$ZFS" list -Ho name,encryptionroot,keystatus | sed '1!G;h;$!d' |
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while IFS=" " read -r name encryptionroot keystatus; do
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if [ "$encryptionroot" != "-" ] &&
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[ "$name" = "$encryptionroot" ] &&
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[ "$keystatus" = "available" ]
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then
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zfs_action "Unload key for $encryptionroot" \
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"$ZFS" unload-key "$encryptionroot"
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fi
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done
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zfs_log_end_msg 0
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return 0
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}
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do_start()
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{
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check_boolean "$ZFS_LOAD_KEY" || exit 0
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check_module_loaded "zfs" || exit 0
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do_load_keys
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}
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do_stop()
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{
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check_boolean "$ZFS_UNLOAD_KEY" || exit 0
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check_module_loaded "zfs" || exit 0
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do_unload_keys
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}
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# ----------------------------------------------------
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if [ ! -e /sbin/openrc-run ]
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then
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case "$1" in
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start)
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do_start
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;;
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stop)
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do_stop
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;;
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force-reload|condrestart|reload|restart|status)
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# no-op
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;;
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*)
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[ -n "$1" ] && echo "Error: Unknown command $1."
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echo "Usage: $0 {start|stop}"
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exit 3
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;;
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esac
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exit $?
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else
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# Create wrapper functions since Gentoo don't use the case part.
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depend() { do_depend; }
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start() { do_start; }
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stop() { do_stop; }
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fi
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@ -1,5 +1,5 @@
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# This is a script with common functions etc used by zfs-import, zfs-mount,
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# zfs-share and zfs-zed.
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# This is a script with common functions etc used by zfs-import, zfs-load-key,
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# zfs-mount, zfs-share and zfs-zed.
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#
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# It is _NOT_ to be called independently
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#
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@ -92,6 +92,8 @@ ZPOOL="@sbindir@/zpool"
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ZPOOL_CACHE="@sysconfdir@/zfs/zpool.cache"
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# Sensible defaults
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ZFS_LOAD_KEY='yes'
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ZFS_UNLOAD_KEY='no'
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ZFS_MOUNT='yes'
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ZFS_UNMOUNT='yes'
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ZFS_SHARE='yes'
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@ -104,7 +106,8 @@ fi
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# ----------------------------------------------------
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export ZFS ZED ZPOOL ZPOOL_CACHE ZFS_MOUNT ZFS_UNMOUNT ZFS_SHARE ZFS_UNSHARE
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export ZFS ZED ZPOOL ZPOOL_CACHE ZFS_LOAD_KEY ZFS_UNLOAD_KEY ZFS_MOUNT ZFS_UNMOUNT \
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ZFS_SHARE ZFS_UNSHARE
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zfs_action()
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{
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@ -424,6 +424,7 @@ fi
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%else
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if [ -x /sbin/chkconfig ]; then
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/sbin/chkconfig --add zfs-import
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/sbin/chkconfig --add zfs-load-key
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/sbin/chkconfig --add zfs-mount
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/sbin/chkconfig --add zfs-share
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/sbin/chkconfig --add zfs-zed
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@ -454,6 +455,7 @@ fi
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%else
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if [ "$1" = "0" -o "$1" = "remove" ] && [ -x /sbin/chkconfig ]; then
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/sbin/chkconfig --del zfs-import
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/sbin/chkconfig --del zfs-load-key
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/sbin/chkconfig --del zfs-mount
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/sbin/chkconfig --del zfs-share
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/sbin/chkconfig --del zfs-zed
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