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zpool and zed place scripts in subdirectories of libexecdir. Some distributions locate architecture independent scripts in other locations (e.g. Debian). To avoid these paths getting out of sync, centralize the definitions. Build zfs-test's default.cfg by Makefile. Use the new directory logic building tests/zfs-tests/include/default.cfg.in. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Antonio Russo <antonio.e.russo@gmail.com> Closes #7597
84 lines
1.9 KiB
Groff
84 lines
1.9 KiB
Groff
.TH "ZFS\-MOUNT\-GENERATOR" "8" "ZFS" "zfs-mount-generator" "\""
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.SH "NAME"
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zfs\-mount\-generator \- generates systemd mount units for ZFS
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.SH SYNOPSIS
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.B /lib/systemd/system-generators/zfs\-mount\-generator
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.sp
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.SH DESCRIPTION
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zfs\-mount\-generator implements the \fBGenerators Specification\fP
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of
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.BR systemd (1),
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and is called during early boot to generate
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.BR systemd.mount (5)
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units for automatically mounted datasets. Mount ordering and dependencies
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are created for all tracked pools (see below). If a dataset has
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.BR canmount=on
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and
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.BR mountpoint
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set, the
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.BR auto
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mount option will be set, and a dependency for
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.BR local-fs.target
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on the mount will be created.
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Because zfs pools may not be available very early in the boot process,
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information on ZFS mountpoints must be stored separately. The output
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of the command
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.PP
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.RS 4
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zfs list -H -o name,mountpoint,canmount,atime,relatime,devices,exec,readonly,setuid,nbmand
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.RE
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.PP
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for datasets that should be mounted by systemd, should be kept
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separate from the pool, at
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.PP
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.RS 4
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.RI @sysconfdir@/zfs/zfs-list.cache/ POOLNAME
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.
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.RE
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.PP
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The cache file, if writeable, will be kept synchronized with the pool
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state by the ZEDLET
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.PP
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.RS 4
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history_event-zfs-list-cacher.sh .
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.RE
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.PP
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.sp
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.SH EXAMPLE
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To begin, enable tracking for the pool:
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.PP
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.RS 4
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touch
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.RI @sysconfdir@/zfs/zfs-list.cache/ POOLNAME
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.RE
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.PP
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Then, enable the tracking ZEDLET:
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.PP
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.RS 4
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ln -s "@zfsexecdir@/zed.d/history_event-zfs-list-cacher.sh" "@sysconfdir@/zfs/zed.d"
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systemctl enable zed.service
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systemctl restart zed.service
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.RE
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.PP
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Force the running of the ZEDLET by setting canmount=on for at least one dataset in the pool:
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.PP
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.RS 4
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zfs set canmount=on
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.I DATASET
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.RE
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.PP
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This forces an update to the stale cache file.
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.sp
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.SH SEE ALSO
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.BR zfs (5)
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.BR zfs-events (5)
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.BR zed (8)
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.BR zpool (5)
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.BR systemd (1)
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.BR systemd.target (5)
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.BR systemd.special (7)
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.BR systemd.mount (7)
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