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Red Hat
pvcreate not working
Post 302709657 by solaris_1977 on Wednesday 3rd of October 2012 12:09:15 PM
10-03-2012
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Case1 ) When a new disk is added ( ex: /dev/sda ), After scanning we create 1 partition for the whole disk ( ex: /dev/sda1 ) and then pvcreate and then add to a volume group.
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LEARN ABOUT PHP
vgextend
VGEXTEND(8) System Manager's Manual VGEXTEND(8) NAME
vgextend - add physical volumes to a volume group SYNOPSIS
vgextend [-A|--autobackup y|n] [-d|--debug] [-h|-?|--help] [--restoremissing] [-f|--force] [-t|--test] [-v|--verbose] [ PHYSICAL DEVICE OPTIONS ] VolumeGroupName PhysicalDevicePath [PhysicalDevicePath...] DESCRIPTION
vgextend allows you to add one or more initialized physical volumes ( see pvcreate(8) ) to an existing volume group to extend it in size. Moreover, it allows you to re-add a physical volume that has gone missing previously, due to a transient device failure, without re-ini- tialising it. Use vgextend --restoremissing to that effect. If PhysicalDevicePath was not previously configured for LVM with pvcreate (8), the device will be initialized with the same default values used with pvcreate. If non-default pvcreate values are are desired, they may be given on the commandline with the same options as pvcre- ate. See PHYSICAL DEVICE OPTIONS for available options. Note that the restore-related options such as --restorefile, --uuid, and --physi- calvolumesize are not available. If a restore operation is needed, use pvcreate (8) and vgcfgrestore (8). OPTIONS
See lvm for common options. PHYSICAL DEVICE OPTIONS
The following options are available for initializing physical devices in the volume group. These options are further described in the pvcreate man page. -f, --force -y, --yes -Z, --zero y|n --labelsector sector --metadatasize size [--metadataignorey|n] --pvmetadatacopies copies --dataalignment alignment --dataalignmentoffset alignment_offset Examples "vgextend vg00 /dev/sda4 /dev/sdn1" tries to extend the existing volume group "vg00" by the new physical volumes (see pvcreate(8) ) "/dev/sdn1" and /dev/sda4". SEE ALSO
lvm(8), vgcreate(8), vgreduce(8), pvcreate(8) Sistina Software UK LVM TOOLS 2.02.95(2) (2012-03-06) VGEXTEND(8)