mirror of
https://github.com/ceph/ceph
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189 lines
4.5 KiB
Groff
189 lines
4.5 KiB
Groff
.\" Man page generated from reStructuredText.
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.TH "MONMAPTOOL" "8" "January 12, 2014" "dev" "Ceph"
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.SH NAME
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monmaptool \- ceph monitor cluster map manipulation tool
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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 storage 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 \-\-generate
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generate a new monmap based on the values on the command line or specified
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in the ceph configuration. This is, in order of preference,
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.INDENT 7.0
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.INDENT 3.5
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.INDENT 0.0
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.IP 1. 3
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\fB\-\-monmap filename\fP to specify a monmap to load
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.IP 2. 3
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\fB\-\-mon\-host \(aqhost1,ip2\(aq\fP to specify a list of hosts or ip addresses
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.IP 3. 3
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\fB[mon.foo]\fP sections containing \fBmon addr\fP settings in the config
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.UNINDENT
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.UNINDENT
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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 \-\-filter\-initial\-members
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filter the initial monmap by applying the \fBmon initial members\fP
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setting. Monitors not present in that list will be removed, and
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initial members not present in the map will be added with dummy
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addresses.
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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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.INDENT 0.0
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.TP
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.B \-\-fsid uuid
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will set the fsid to the given uuid. If not specified with \-\-create, a random fsid will be generated.
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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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.INDENT 0.0
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.INDENT 3.5
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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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.UNINDENT
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.UNINDENT
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.sp
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To display the contents of the map:
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.INDENT 0.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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monmaptool \-\-print monmap
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.sp
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To replace one monitor:
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.INDENT 0.0
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.INDENT 3.5
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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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.UNINDENT
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.UNINDENT
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.SH AVAILABILITY
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.sp
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\fBmonmaptool\fP is part of the Ceph distributed storage system. Please
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refer 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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\fBcrushtool\fP(8),
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.SH COPYRIGHT
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2010-2014, Inktank Storage, Inc. and contributors. Licensed under Creative Commons BY-SA
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.\" Generated by docutils manpage writer.
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