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https://github.com/ceph/ceph
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138 lines
3.9 KiB
Groff
138 lines
3.9 KiB
Groff
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.TH "CEPH-MON" "8" "December 09, 2013" "dev" "Ceph"
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.SH NAME
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ceph-mon \- ceph monitor daemon
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.SH SYNOPSIS
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.nf
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\fBceph\-mon\fP \-i \fImonid\fP [ \-\-mon\-data \fImondatapath\fP ]
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.fi
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.sp
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.SH DESCRIPTION
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.sp
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\fBceph\-mon\fP is the cluster monitor daemon for the Ceph distributed
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file system. One or more instances of \fBceph\-mon\fP form a Paxos
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part\-time parliament cluster that provides extremely reliable and
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durable storage of cluster membership, configuration, and state.
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.sp
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The \fImondatapath\fP refers to a directory on a local file system storing
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monitor data. It is normally specified via the \fBmon data\fP option in
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the configuration file.
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.SH OPTIONS
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.INDENT 0.0
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.TP
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.B \-f, \-\-foreground
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Foreground: do not daemonize after startup (run in foreground). Do
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not generate a pid file. Useful when run via \fBceph\-run\fP(8).
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-d
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Debug mode: like \fB\-f\fP, but also send all log output to stderr.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-c ceph.conf, \-\-conf=ceph.conf
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Use \fIceph.conf\fP configuration file instead of the default
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\fB/etc/ceph/ceph.conf\fP to determine monitor addresses during
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startup.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-mkfs
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Initialize the \fBmon data\fP directory with seed information to form
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and initial ceph file system or to join an existing monitor
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cluster. Three pieces of information must be provided:
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.INDENT 7.0
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.IP \(bu 2
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The cluster fsid. This can come from a monmap (\fB\-\-monmap <path>\fP) or
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explicitly via \fB\-\-fsid <uuid>\fP\&.
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.IP \(bu 2
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A list of monitors and their addresses. This list of monitors
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can come from a monmap (\fB\-\-monmap <path>\fP), the \fBmon host\fP
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configuration value (in \fIceph.conf\fP or via \fB\-m
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host1,host2,...\fP), or \fBmon addr\fP lines in \fIceph.conf\fP\&. If this
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monitor is to be part of the initial monitor quorum for a new
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Ceph cluster, then it must be included in the initial list,
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matching either the name or address of a monitor in the list.
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When matching by address, either the \fBpublic addr\fP or \fBpublic
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subnet\fP options may be used.
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.IP \(bu 2
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The monitor secret key \fBmon.\fP\&. This must be included in the
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keyring provided via \fB\-\-keyring <path>\fP\&.
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-keyring
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Specify a keyring for use with \fB\-\-mkfs\fP\&.
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.UNINDENT
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.SH AVAILABILITY
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.sp
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\fBceph\-mon\fP is part of the Ceph distributed storage system. Please refer
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to the Ceph documentation at \fI\%http://ceph.com/docs\fP for more
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information.
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.SH SEE ALSO
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.sp
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\fBceph\fP(8),
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\fBceph\-mds\fP(8),
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\fBceph\-osd\fP(8)
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.SH COPYRIGHT
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2010-2013, Inktank Storage, Inc. and contributors. Licensed under Creative Commons BY-SA
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