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121 lines
2.8 KiB
Groff
121 lines
2.8 KiB
Groff
.TH "MONMAPTOOL" "8" "September 22, 2011" "dev" "Ceph"
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.SH NAME
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monmaptool \- ceph monitor cluster map manipulation tool
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.
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.\" Man page generated from reStructeredText.
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.
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.SH SYNOPSIS
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.nf
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\fBmonmaptool\fP \fImapfilename\fP [ \-\-clobber ] [ \-\-print ] [ \-\-create ]
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[ \-\-add \fIip\fP:\fIport\fP \fI...\fP ] [ \-\-rm \fIip\fP:\fIport\fP \fI...\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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\fBmonmaptool\fP is a utility to create, view, and modify a monitor
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cluster map for the Ceph distributed file system. The monitor map
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specifies the only fixed addresses in the Ceph distributed system.
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All other daemons bind to arbitrary addresses and register themselves
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with the monitors.
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.sp
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When creating a map with \-\-create, a new monitor map with a new,
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random UUID will be created. It should be followed by one or more
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monitor addresses.
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.sp
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The default Ceph monitor port is 6789.
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.SH OPTIONS
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.INDENT 0.0
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.TP
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.B \-\-print
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will print a plaintext dump of the map, after any modifications are
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made.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-clobber
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will allow monmaptool to overwrite mapfilename if changes are made.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-create
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will create a new monitor map with a new UUID (and with it, a new,
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empty Ceph file system).
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-add name ip:port
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will add a monitor with the specified ip:port to the map.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-rm name
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will remove the monitor with the specified ip:port from the map.
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.UNINDENT
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.SH EXAMPLE
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.sp
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To create a new map with three monitors (for a fresh Ceph file system):
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.sp
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.nf
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.ft C
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monmaptool \-\-create \-\-add mon.a 192.168.0.10:6789 \-\-add mon.b 192.168.0.11:6789 \e
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\-\-add mon.c 192.168.0.12:6789 \-\-clobber monmap
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.ft P
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.fi
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.sp
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To display the contents of the map:
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.sp
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.nf
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.ft C
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monmaptool \-\-print onmap
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.ft P
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.fi
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.sp
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To replace one monitor:
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.sp
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.nf
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.ft C
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monmaptool \-\-rm mon.a \-\-add mon.a 192.168.0.9:6789 \-\-clobber monmap
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.ft P
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.fi
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.SH AVAILABILITY
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.sp
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\fBmonmaptool\fP is part of the Ceph distributed file system. Please
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refer to the Ceph wiki at \fI\%http://ceph.newdream.net/wiki\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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\fBcrushtool\fP(8),
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\fBmkcephfs\fP(8)
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.SH COPYRIGHT
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2011, New Dream Network
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.\" Generated by docutils manpage writer.
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.\"
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.
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