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Full Discussion: Formatting problem with sizes from /proc/partitions
Top Forums Shell Programming and Scripting Formatting problem with sizes from /proc/partitions Post 302437791 by pludi on Friday 16th of July 2010 06:08:44 AM
Old 07-16-2010
No. Most current distributions forgo the old concept of partitioning the harddisk for various mount points, and use them as physical volumes for the Logical Volume Manager (LVM). That way one can add and remove space as needed, without a risky resize of partitions.

The guest system probably doesn't even know it's being run in an VM, and even if it does it probably won't care about how you configured the disks to work in the host system, as long as can access it.
 

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LEARN ABOUT OPENSOLARIS

vgreduce

VGREDUCE(8)                                                   System Manager's Manual                                                  VGREDUCE(8)

NAME

       vgreduce - reduce a volume group

SYNOPSIS

       vgreduce  [-a|--all] [-A|--autobackup y|n] [-d|--debug] [-h|-?|--help] [--removemissing] [-t|--test] [-v|--verbose] VolumeGroupName [Physi-
       calVolumePath...]

DESCRIPTION

       vgreduce allows you to remove one or more unused physical volumes from a volume group.

OPTIONS

       See lvm for common options.

       -a, --all
              Removes all empty physical volumes if none are given on command line.

       --removemissing
              Removes all missing physical volumes from the volume group, if there are no logical volumes allocated on those. This resumes  normal
              operation of the volume group (new logical volumes may again be created, changed and so on).

              If this is not possible (there are logical volumes referencing the missing physical volumes) and you cannot or do not want to remove
              them manually, you can run this option with --force to have vgreduce remove any partial LVs.

              Any logical volumes and dependent snapshots that were partly on the missing disks get removed completely. This includes those  parts
              that lie on disks that are still present.

              If your logical volumes spanned several disks including the ones that are lost, you might want to try to salvage data first by acti-
              vating your logical volumes with --partial as described in lvm (8).

SEE ALSO

       lvm(8), vgextend(8)

Sistina Software UK                                      LVM TOOLS 2.02.95(2) (2012-03-06)                                             VGREDUCE(8)
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