mirror of
https://github.com/ceph/ceph
synced 2024-12-21 02:42:48 +00:00
140 lines
3.2 KiB
Groff
140 lines
3.2 KiB
Groff
.\" Man page generated from reStructuredText.
|
|
.
|
|
.TH "OSDMAPTOOL" "8" "January 12, 2014" "dev" "Ceph"
|
|
.SH NAME
|
|
osdmaptool \- ceph osd cluster map manipulation tool
|
|
.
|
|
.nr rst2man-indent-level 0
|
|
.
|
|
.de1 rstReportMargin
|
|
\\$1 \\n[an-margin]
|
|
level \\n[rst2man-indent-level]
|
|
level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
|
|
-
|
|
\\n[rst2man-indent0]
|
|
\\n[rst2man-indent1]
|
|
\\n[rst2man-indent2]
|
|
..
|
|
.de1 INDENT
|
|
.\" .rstReportMargin pre:
|
|
. RS \\$1
|
|
. nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin]
|
|
. nr rst2man-indent-level +1
|
|
.\" .rstReportMargin post:
|
|
..
|
|
.de UNINDENT
|
|
. RE
|
|
.\" indent \\n[an-margin]
|
|
.\" old: \\n[rst2man-indent\\n[rst2man-indent-level]]
|
|
.nr rst2man-indent-level -1
|
|
.\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
|
|
.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
|
|
..
|
|
.
|
|
.nr rst2man-indent-level 0
|
|
.
|
|
.de1 rstReportMargin
|
|
\\$1 \\n[an-margin]
|
|
level \\n[rst2man-indent-level]
|
|
level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
|
|
-
|
|
\\n[rst2man-indent0]
|
|
\\n[rst2man-indent1]
|
|
\\n[rst2man-indent2]
|
|
..
|
|
.de1 INDENT
|
|
.\" .rstReportMargin pre:
|
|
. RS \\$1
|
|
. nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin]
|
|
. nr rst2man-indent-level +1
|
|
.\" .rstReportMargin post:
|
|
..
|
|
.de UNINDENT
|
|
. RE
|
|
.\" indent \\n[an-margin]
|
|
.\" old: \\n[rst2man-indent\\n[rst2man-indent-level]]
|
|
.nr rst2man-indent-level -1
|
|
.\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
|
|
.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
|
|
..
|
|
.SH SYNOPSIS
|
|
.nf
|
|
\fBosdmaptool\fP \fImapfilename\fP [\-\-print] [\-\-createsimple \fInumosd\fP
|
|
[\-\-pgbits \fIbitsperosd\fP ] ] [\-\-clobber]
|
|
.fi
|
|
.sp
|
|
.SH DESCRIPTION
|
|
.sp
|
|
\fBosdmaptool\fP is a utility that lets you create, view, and manipulate
|
|
OSD cluster maps from the Ceph distributed storage system. Notably, it
|
|
lets you extract the embedded CRUSH map or import a new CRUSH map.
|
|
.SH OPTIONS
|
|
.INDENT 0.0
|
|
.TP
|
|
.B \-\-print
|
|
will simply make the tool print a plaintext dump of the map, after
|
|
any modifications are made.
|
|
.UNINDENT
|
|
.INDENT 0.0
|
|
.TP
|
|
.B \-\-clobber
|
|
will allow osdmaptool to overwrite mapfilename if changes are made.
|
|
.UNINDENT
|
|
.INDENT 0.0
|
|
.TP
|
|
.B \-\-import\-crush mapfile
|
|
will load the CRUSH map from mapfile and embed it in the OSD map.
|
|
.UNINDENT
|
|
.INDENT 0.0
|
|
.TP
|
|
.B \-\-export\-crush mapfile
|
|
will extract the CRUSH map from the OSD map and write it to
|
|
mapfile.
|
|
.UNINDENT
|
|
.INDENT 0.0
|
|
.TP
|
|
.B \-\-createsimple numosd [\-\-pgbits bitsperosd]
|
|
will create a relatively generic OSD map with the numosd devices.
|
|
If \-\-pgbits is specified, the initial placement group counts will
|
|
be set with bitsperosd bits per OSD. That is, the pg_num map
|
|
attribute will be set to numosd shifted by bitsperosd.
|
|
.UNINDENT
|
|
.SH EXAMPLE
|
|
.sp
|
|
To create a simple map with 16 devices:
|
|
.INDENT 0.0
|
|
.INDENT 3.5
|
|
.sp
|
|
.nf
|
|
.ft C
|
|
osdmaptool \-\-createsimple 16 osdmap \-\-clobber
|
|
.ft P
|
|
.fi
|
|
.UNINDENT
|
|
.UNINDENT
|
|
.sp
|
|
To view the result:
|
|
.INDENT 0.0
|
|
.INDENT 3.5
|
|
.sp
|
|
.nf
|
|
.ft C
|
|
osdmaptool \-\-print osdmap
|
|
.ft P
|
|
.fi
|
|
.UNINDENT
|
|
.UNINDENT
|
|
.SH AVAILABILITY
|
|
.sp
|
|
\fBosdmaptool\fP is part of the Ceph distributed storage system. Please
|
|
refer to the Ceph documentation at \fI\%http://ceph.com/docs\fP for more
|
|
information.
|
|
.SH SEE ALSO
|
|
.sp
|
|
\fBceph\fP(8),
|
|
\fBcrushtool\fP(8),
|
|
.SH COPYRIGHT
|
|
2010-2014, Inktank Storage, Inc. and contributors. Licensed under Creative Commons BY-SA
|
|
.\" Generated by docutils manpage writer.
|
|
.
|