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40 lines
1.3 KiB
Plaintext
40 lines
1.3 KiB
Plaintext
.TH CMIRRORD 8 "LVM TOOLS #VERSION#" "Red Hat Inc" \" -*- nroff -*-
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.SH NAME
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cmirrord \(em cluster mirror log daemon
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.SH SYNOPSIS
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\fBcmirrord\fR [\fB\-f\fR] [\fB\-h\fR]
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.SH DESCRIPTION
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\fBcmirrord\fP is the daemon that tracks mirror log information in a cluster.
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It is specific to device-mapper based mirrors (and by extension, LVM
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cluster mirrors). Cluster mirrors are not possible without this daemon
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running.
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This daemon relies on the cluster infrastructure provided by the
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Cluster MANager (CMAN), which must be set up and running in order for
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cmirrord to function. (The cluster infrastructure is also required for
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\fBclvmd\fP(8).)
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Output is logged via \fBsyslog\fP(3). The \fBSIGUSR1 signal\fP(7) can be
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issued to \fBcmirrord\fP to gather current status information for debugging
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purposes.
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Once started, \fBcmirrord\fP will run until it is shutdown via \fBSIGINT\fP
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signal. If there are still active cluster mirrors, however, the signal will be
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ignored. Active cluster mirrors should be shutdown before stopping the cluster
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mirror log daemon.
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.SH OPTIONS
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.IP "\fB\-f\fR, \fB\-\-foreground\fR" 4
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Do not fork and log to the terminal.
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.IP "\fB\-h\fR, \fB\-\-help\fR" 4
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Print usage.
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.SH SEE ALSO
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.BR syslog (3),
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.BR cluster.conf (5),
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.BR signal (7),
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.BR clvmd (8),
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.BR lvm (8)
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