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LVCHANGE(8)							   LVCHANGE(8)

NAME
       lvchange - change attributes of a logical volume

SYNOPSIS
       lvchange	  [--addtag   Tag]   [-A/--autobackup	y/n]   [-a/--available
       y/n/ey/en/ly/ln]	 [--alloc  AllocationPolicy]   [-C/--contiguous	  y/n]
       [-d/--debug]  [--deltag	Tag]  [-h/-?/--help]  [--ignorelockingfailure]
       [-M/--persistent y/n] [--minor minor] [-P/--partial y/n]	 [-p/--permis‐
       sion  r/w]  [-r/--readahead  ReadAheadSectors]  [--refresh] [-t/--test]
       [-v/--verbose] LogicalVolumePath [LogicalVolumePath...]

DESCRIPTION
       lvchange allows you to  change  the  attributes	of  a  logical	volume
       including making them known to the kernel ready for use.

OPTIONS
       See lvm for common options.

       -a, --available y/n/ey/en/ly/ln
	      Controls	the availability of the logical volumes for use.  Com‐
	      municates with the kernel device-mapper driver via  libdevmapper
	      to activate (-ay) or deactivate (-an) the logical volumes.

	      If  clustered  locking is enabled, -ae will activate exclusively
	      on one node and -aly will activate only on the local  node.   To
	      deactivate  only	on  the	 local node use -aln.  Logical volumes
	      with single-host	snapshots  are	always	activated  exclusively
	      because they can only be used on one node at once.

       -C, --contiguous y/n
	      Tries to set or reset the contiguous allocation policy for logi‐
	      cal volumes. It's only possible to change a non-contiguous logi‐
	      cal  volume's  allocation	 policy	 to  contiguous, if all of the
	      allocated physical extents are already contiguous.

       --minor minor
	      Set the minor number.

       -M, --persistent y/n
	      Set to y to make the minor number specified persistent.

       -p, --permission r/w
	      Change access permission to read-only or read/write.

       -r, --readahead ReadAheadSectors
	      Change read ahead sector count per logical between  2  and  120.
	      For compatability with LVM1 only. Ignored by LVM2.

       --refresh
	      If  the  logical volume is active, reload its metadata.  This is
	      not necessary in normal operation, but may be  useful  if	 some‐
	      thing  has  gone	wrong  or  if you're doing clustering manually
	      without a clustered lock manager.

Examples
       "lvchange -pr vg00/lvol1" changes the permission	 on  volume  lvol1  in
       volume group vg00 to be read-only.

SEE ALSO
       lvm(8), lvcreate(8), vgchange(8)

Sistina Software UK		   LVM TOOLS			   LVCHANGE(8)

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