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8b9533f38f
Add new supported option '-l' log to stdout/stderr. It has to be paired with '-f' (foreground run).
111 lines
2.0 KiB
Groff
111 lines
2.0 KiB
Groff
.TH DMEVENTD 8 "DM TOOLS #VERSION#" "Red Hat Inc" \" -*- nroff -*-
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.
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.SH NAME
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.
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dmeventd \(em Device-mapper event daemon
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.
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.SH SYNOPSIS
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.
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.B dmeventd
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.RB [ \-d
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.RB [ \-d
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.RB [ \-d ]]]
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.RB [ \-f ]
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.RB [ \-h ]
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.RB [ \-l ]
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.RB [ \-R ]
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.RB [ \-V ]
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.RB [ \-? ]
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.
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.SH DESCRIPTION
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.
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dmeventd is the event monitoring daemon for device-mapper devices.
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Library plugins can register and carry out actions triggered when
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particular events occur.
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.
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.SH LVM PLUGINS
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.
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.HP
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.IR Mirror
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.br
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Attempts to handle device failure automatically. See
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.BR lvm.conf (5).
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.
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.HP
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.IR Raid
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.br
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Attempts to handle device failure automatically. See
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.BR lvm.conf (5).
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.
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.HP
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.IR Snapshot
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.br
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Monitors how full a snapshot is becoming and emits a warning to
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syslog when it exceeds 80% full.
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The warning is repeated when 85%, 90% and 95% of the snapshot is filled.
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See
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.BR lvm.conf (5).
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Snapshot which runs out of space gets invalid and when it is mounted,
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it gets umounted if possible.
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.
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.HP
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.IR Thin
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.br
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Monitors how full a thin pool data and metadata is becoming and emits
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a warning to syslog when it exceeds 80% full.
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The warning is repeated when 85%, 90% and 95% of the thin pool is filled.
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See
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.BR lvm.conf (5).
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If the thin-pool runs out of space, thin volumes are umounted if possible.
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.
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.SH OPTIONS
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.
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.HP
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.BR \-d
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.br
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Repeat from 1 to 3 times (
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.BR \-d ,
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.BR \-dd ,
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.BR \-ddd
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) to increase the detail of
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debug messages sent to syslog.
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Each extra d adds more debugging information.
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.
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.HP
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.BR \-f
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.br
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Don't fork, run in the foreground.
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.
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.HP
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.BR \-h
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.br
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Show help information.
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.
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.HP
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.BR \-l
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.br
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Log through stdout and stderr instead of syslog.
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This option works only with option \-f, otherwise it is ignored.
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.
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.HP
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.BR \-?
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.br
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Show help information on stderr.
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.
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.HP
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.BR \-R
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.br
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Replace a running dmeventd instance. The running dmeventd must be version
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2.02.77 or newer. The new dmeventd instance will obtain a list of devices and
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events to monitor from the currently running daemon.
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.
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.HP
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.BR \-V
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.br
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Show version of dmeventd.
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.
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.SH SEE ALSO
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.
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.BR lvm (8),
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.BR lvm.conf (5)
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