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49908a9a33
re-add a physical volume that has gone missing previously, due to a transient device failure, without re-initialising it. Signed-off-by: Petr Rockai <prockai@redhat.com> Reviewed-by: Alasdair Kergon <agk@redhat.com>
63 lines
2.1 KiB
Groff
63 lines
2.1 KiB
Groff
.TH VGEXTEND 8 "LVM TOOLS #VERSION#" "Sistina Software UK" \" -*- nroff -*-
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.SH NAME
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vgextend \- add physical volumes to a volume group
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.SH SYNOPSIS
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.B vgextend
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[\-A|\-\-autobackup y|n] [\-d|\-\-debug] [\-h|\-?|\-\-help]
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[\-\-restoremissing]
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[\-f|\-\-force]
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[\-t|\-\-test]
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[\-v|\-\-verbose]
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[ \fIPHYSICAL DEVICE OPTIONS\fP ]
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VolumeGroupName PhysicalDevicePath [PhysicalDevicePath...]
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.SH DESCRIPTION
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vgextend allows you to add one or more initialized physical volumes ( see
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.B pvcreate(8)
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) to an existing volume group to extend it in size. Moreover, it allows you to
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re-add a physical volume that has gone missing previously, due to a transient
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device failure, without re-initialising it. Use vgextend \-\-restoremissing to
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that effect.
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.sp
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If \fIPhysicalDevicePath\fP was not previously configured for LVM with
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\fBpvcreate (8)\fP, the device will be initialized with the same
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default values used with \fBpvcreate\fP. If non-default
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\fPpvcreate\fP values are are desired, they may be given on the
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commandline with the same options as \fPpvcreate\fP. See
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\fBPHYSICAL DEVICE OPTIONS\fP for available options. Note
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that the restore-related options such as --restorefile, --uuid,
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and --physicalvolumesize are not available. If a restore operation
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is needed, use \fBpvcreate (8)\fP and \fBvgcfgrestore (8)\fP.
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.SH OPTIONS
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See \fBlvm\fP for common options.
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.SH PHYSICAL DEVICE OPTIONS
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The following options are available for initializing physical devices in the
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volume group. These options are further described in the pvcreate man page.
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.TP
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.BR \-f ", " \-\-force
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.TP
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.BR \-y ", " \-\-yes
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.TP
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.BR \-Z ", " \-\-zero " y|n"
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.TP
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.BR \-\-labelsector " sector"
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.TP
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.BR \-\-metadatasize " size"
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.TP
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.RB [ \-\-metadataignore y|n ]
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.TP
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.BR \-\-pvmetadatacopies " copies"
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.TP
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.BR \-\-dataalignment " alignment"
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.TP
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.BR \-\-dataalignmentoffset " alignment_offset"
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.SH Examples
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"vgextend vg00 /dev/sda4 /dev/sdn1" tries to extend the existing volume
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group "vg00" by the new physical volumes (see
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.B pvcreate(8)
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) "/dev/sdn1" and /dev/sda4".
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.SH SEE ALSO
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.BR lvm (8),
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.BR vgcreate (8),
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.BR vgreduce (8),
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.BR pvcreate (8)
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