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Full Discussion: LUN Presentation
Operating Systems Linux Red Hat LUN Presentation Post 302633491 by Duffs22 on Wednesday 2nd of May 2012 05:27:23 AM
Old 05-02-2012
Thanks Mark54g,

Now once I have scanned in the new LUN on the OS how do I create a new FS from this space?

Can I use "fdisk" against the dm-<no> to present all paths to the OS?

.....or can I just pvcreate the /dev/dm-<no> and take it from there?

R,
D.
 

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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)
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