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

NAME
       lvs - report information about logical volumes

SYNOPSIS
       lvs  [-a|--all] [--aligned] [-d|--debug] [-h|-?|--help] [--ignorelockingfailure] [--nameprefixes] [--noheadings] [--nosuffix] [-o|--options
       [+]Field[,Field]] [-O|--sort [+|-]Key1[,[+|-]Key2[,...]]]  [-P|--partial]  [--rows]  [--segments]  [--separator	Separator]  [--unbuffered]
       [--units hHbBsSkKmMgGtTpPeE] [--unquoted] [-v|--verbose] [--version] [VolumeGroupName [VolumeGroupName...]]

DESCRIPTION
       lvs produces formatted output about logical volumes.

OPTIONS
       See lvm(8) for common options.

       --all  Include information in the output about internal Logical Volumes that are components of normally-accessible Logical Volumes, such as
	      mirrors, but which are not independently accessible (e.g. not mountable).  The names of such Logical  Volumes  are  enclosed  within
	      square  brackets in the output.  For example, after creating a mirror using 'lvcreate -m1 --mirrorlog disk', this option will reveal
	      three internal Logical Volumes, with suffixes mimage_0, mimage_1, and mlog.

       --aligned
	      Use with --separator to align the output columns.

       --nameprefixes
	      Add an "LVM2_" prefix plus the field name to the output.	Useful with --noheadings to produce a list of field=value pairs  that  can
	      be used to set environment variables (for example, in udev(7) rules).

       --noheadings
	      Suppress the headings line that is normally the first line of output.  Useful if grepping the output.

       --nosuffix
	      Suppress the suffix on output sizes.  Use with --units (except h and H) if processing the output.

       -o, --options
	      Comma-separated ordered list of columns.	Precede the list with '+' to append to the default selection of columns instead of replac-
	      ing it.

	      Use -o lv_all to select all logical volume columns, and -o seg_all to select all logical volume segment columns.

	      Use -o help to view the full list of columns available.

	      Column names include: lv_uuid, lv_name, lv_path,	lv_attr,  lv_major,  lv_minor,	lv_read_ahead,	lv_kernel_major,  lv_kernel_minor,
	      lv_kernel_read_ahead, lv_size, seg_count, origin, origin_size, snap_percent, copy_percent, move_pv, convert_lv, lv_tags, mirror_log,
	      thin_pool, modules, segtype, stripes, stripesize, regionsize, chunksize, seg_start, seg_start_pe, seg_size, seg_tags, seg_pe_ranges,
	      devices.

	      With  --segments, any "seg_" prefixes are optional; otherwise any "lv_" prefixes are optional.  Columns mentioned in vgs(8) can also
	      be chosen.

	      The lv_attr bits are:

	      1  Volume type: (m)irrored, (M)irrored without initial sync, (o)rigin, (O)rigin with merging snapshot, (r)aid, (R)aid  without  ini-
		 tial  sync, (s)napshot, merging (S)napshot, (p)vmove, (v)irtual, mirror or raid (i)mage, mirror or raid (I)mage out-of-sync, mir-
		 ror (l)og device, under (c)onversion, thin (V)olume, (t)hin pool, (T)hin pool data, raid or thin pool m(e)tadata

	      2  Permissions: (w)riteable, (r)ead-only, (R)ead-only activation of non-read-only volume

	      3  Allocation policy: (c)ontiguous, c(l)ing, (n)ormal, (a)nywhere, (i)nherited This is capitalised if the volume is currently locked
		 against allocation changes, for example during pvmove(8).

	      4  fixed (m)inor

	      5  State:  (a)ctive,  (s)uspended,  (I)nvalid  snapshot,	invalid  (S)uspended snapshot, snapshot (m)erge failed, suspended snapshot
		 (M)erge failed, mapped (d)evice present without tables, mapped device present with (i)nactive table

	      6  device (o)pen

	      7  Target type: (m)irror, (r)aid, (s)napshot, (t)hin, (u)nknown, (v)irtual.  This groups logical volumes related to the same  kernel
		 target  together.  So, for example, mirror images, mirror logs as well as mirrors themselves appear as (m) if they use the origi-
		 nal device-mapper mirror kernel driver; whereas the raid equivalents using the md raid kernel driver all appear  as  (r).   Snap-
		 shots	using  the  original device-mapper driver appear as (s); whereas snapshots of thin volumes using the new thin provisioning
		 driver appear as (t).

	      8  Newly-allocated data blocks are overwritten with blocks of (z)eroes before use.

       --segments
	      Use default columns that emphasize segment information.

       -O, --sort
	      Comma-separated ordered list of columns to sort by.  Replaces the default selection. Precede any column with - for a reverse sort on
	      that column.

       --rows Output columns as rows.

       --separator Separator
	      String to use to separate each column.  Useful if grepping the output.

       --unbuffered
	      Produce output immediately without sorting or aligning the columns properly.

       --units hHbBsSkKmMgGtTpPeE
	      All  sizes  are  output  in  these  units: (h)uman-readable, (b)ytes, (s)ectors, (k)ilobytes, (m)egabytes, (g)igabytes, (t)erabytes,
	      (p)etabytes, (e)xabytes.	Capitalise to use multiples of 1000 (S.I.) instead of 1024.  Can also specify custom units e.g. --units 3M

       --unquoted
	      When used with --nameprefixes, output values in the field=value pairs are not quoted.

SEE ALSO
       lvm(8), lvdisplay(8), pvs(8), vgs(8)

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