lvresize man page on NetBSD

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LVRESIZE(8)							   LVRESIZE(8)

NAME
       lvresize - resize a logical volume

SYNOPSIS
       lvresize	 [--alloc AllocationPolicy] [-A|--autobackup y|n] [-d|--debug]
       [-h|-?|--help]  [-i|--stripes  Stripes  [-I|--stripesize	  StripeSize]]
       {-l|--extents  [+]LogicalExtentsNumber[%{VG|LV|PVS|FREE}]  |  -L|--size
       [+]LogicalVolumeSize[kKmMgGtT]} [-t|--test] [-v|--verbose]  LogicalVol‐
       umePath [PhysicalVolumePath...]

DESCRIPTION
       lvresize allows you to resize a logical volume.	Be careful when reduc‐
       ing a logical volume's size,  because  data  in	the  reduced  part  is
       lost!!!	 You should therefore ensure that any filesystem on the volume
       is shrunk first so that the extents that are to be removed are  not  in
       use.   Resizing	snapshot logical volumes (see lvcreate(8) for informa‐
       tion about creating snapshots) is supported as well.  But to change the
       number of copies in a mirrored logical volume use lvconvert(8).

OPTIONS
       See lvm for common options.

       -l, --extents [+|-]LogicalExtentsNumber[%{VG|LV|PVS|FREE}]
	      Change  or  set  the  logical  volume  size  in units of logical
	      extents.	With the + or - sign the value is  added  to  or  sub‐
	      tracted  from  the actual size of the logical volume and without
	      it, the value is taken as an absolute one.  The number can  also
	      be  expressed  as	 a percentage of the total space in the Volume
	      Group with the suffix %VG, relative to the existing size of  the
	      Logical  Volume  with  the  suffix  %LV,	as a percentage of the
	      remaining free space of the PhysicalVolumes on the command  line
	      with  the	 suffix %PVS, or as a percentage of the remaining free
	      space in the Volume Group with the suffix %FREE.

       -L, --size [+|-]LogicalVolumeSize[kKmMgGtTpPeE]
	      Change or set the logical volume size in units of megabytes.   A
	      size  suffix  of	M  for	megabytes, G for gigabytes, T for ter‐
	      abytes, P for petabytes or E for exabytes is optional.  With the
	      +	 or - sign the value is added to or subtracted from the actual
	      size of the logical volume and without it, the value is taken as
	      an absolute one.

       -i, --stripes Stripes
	      Gives the number of stripes to use when extending a Logical Vol‐
	      ume.  Defaults to whatever the last segment of the Logical  Vol‐
	      ume uses.	 Not applicable to LVs using the original metadata LVM
	      format, which must use a single value throughout.

       -I, --stripesize StripeSize
	      Gives the	 number	 of  kilobytes	for  the  granularity  of  the
	      stripes.	 Defaults  to whatever the last segment of the Logical
	      Volume uses.  Not applicable to LVs using the original  metadata
	      LVM format, which must use a single value throughout.
	      StripeSize must be 2^n (n = 2 to 9)

SEE ALSO
       lvm(8), lvconvert(8), lvcreate(8), lvreduce(8), lvchange(8)

Sistina Software UK    LVM TOOLS 2.02.44-cvs (02-17-09)		   LVRESIZE(8)
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