LVCHANGE(8)                                                        LVCHANGE(8)


       lvchange - change attributes of a logical volume


       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...]


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


       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.

              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.


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


       lvm(8), lvcreate(8), vgchange(8)

Sistina Software UK                LVM TOOLS                       LVCHANGE(8)

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