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add7dc2d5a
onto a new device). uuid specified must not already exist on the system. o More message tidying. o When checking for label, only read PV metadata. o Add ataraid. [Needs moving into config/defaults files.]
65 lines
2.0 KiB
Groff
65 lines
2.0 KiB
Groff
.TH PVCREATE 8 "LVM TOOLS" "Sistina Software UK" \" -*- nroff -*-
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.SH NAME
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pvcreate \- initialize a disk or partition for use by LVM
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.SH SYNOPSIS
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.B pvcreate
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.RB [ \-d | \-\-debug ]
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.RB [ \-f [ f ]| \-\-force " [" \-\-force ]]
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.RB [ \-y | \-\-yes ]
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.RB [ \-h | \-\-help ]
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.RB [ \-v | \-\-verbose ]
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.RB [ \-V | \-\-version ]
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.IR PhysicalVolume " [" PhysicalVolume ...]
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.SH DESCRIPTION
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.B pvcreate
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initializes
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.I PhysicalVolume
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for later use by the Logical Volume Manager (LVM). Each
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.I PhysicalVolume
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can be a disk partition, whole disk, meta device, or loopback file.
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For DOS disk partitions, the partition id must be set to 0x8e using
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.BR fdisk "(8), " cfdisk "(8), "
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or a equivalent. For
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.B whole disk devices only
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the partition table must be erased, which will effectively destroy all
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data on that disk. This can be done by zeroing the first sector with:
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.sp
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.BI "dd if=/dev/zero of=" PhysicalVolume " bs=512 count=1"
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.sp
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Continue with
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.BR vgcreate (8)
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to create a new volume group on
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.IR PhysicalVolume ,
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or
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.BR vgextend (8)
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to add
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.I PhysicalVolume
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to an existing volume group.
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.SH OPTIONS
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See \fBlvm\fP(8) for common options.
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.TP
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.BR \-f ", " \-\-force
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Force the creation without any confirmation. You can not recreate
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(reinitialize) a physical volume belonging to an existing volume group.
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In an emergency you can override this behaviour with -ff.
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.TP
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.BR \-u ", " \-\-uuid " uuid"
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Specify the uuid for the device.
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Without this option, \fBpvcreate\fP generates a random uuid.
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All of your physical volumes must have unique uuids.
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You need to use this option to restore a backup of LVM metadata onto
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a replacement device - see \fBvgcfgrestore\fP(8).
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.TP
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.BR \-y ", " \-\-yes
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Answer yes to all questions.
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.SH Example
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Initialize partition #4 on the third SCSI disk and the entire fifth
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SCSI disk for later use by LVM:
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.sp
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.B pvcreate /dev/sdc4 /dev/sde
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.sp
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.SH SEE ALSO
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.BR lvm "(8), " vgcreate "(8), " vgextend "(8), " lvcreate "(8), "
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.BR cfdisk "(8), " fdisk "(8), " losetup "(8), " mdadd "(8), "
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.BR vgcfgrestore "(8)"
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