lvresize man page on aLinux

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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  |  -L/--size  [+]LogicalVolume‐
       Size[kKmMgGtT]} [-t/--test]  [-v/--verbose]  LogicalVolumePath  [Physi‐
       calVolumePath...]

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.

OPTIONS
       See lvm for common options.

       -l, --extents [+/-]LogicalExtentsNumber
	      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.

       -L, --size [+/-]LogicalVolumeSize[kKmMgGtT]
	      Change  or set the logical volume size in units of megabytes.  A
	      size suffix of M for megabytes, G for gigabytes or  T  for  ter‐
	      abytes  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), lvcreate(8), lvreduce(8), lvchange(8)

Sistina Software UK		   LVM TOOLS			   LVRESIZE(8)
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