lvs(8)
NAME
lvs --- report information about logical volumes
SYNOPSIS
lvs [--aligned] [--binary] [-a|--all] [--commandprofile ProfileName]
[[--configreport ReportName] [-o|--options [+|-|#]Field1[,Field2...]
[-O|--sort [+|-]Key1[,Key2...]] [-S|--select Selection] ...]
[-d|--debug] [-h|-?|--help] [-H|--history] [--ignorelockingfailure]
[--ignoreskippedcluster] [--logonly] [--nameprefixes] [--noheadings]
[--nosuffix] [+|-]Key1[,[+|-]Key2[,...]]] [-P|--partial]
[--reportformat {basic|json}] [--rows] [--separator Separator]
[--segments] [--unbuffered] [--units hHbBsSkKmMgGtTpPeE] [--unquoted]
[-v|--verbose] [--version] [VolumeGroupName|LogicalVolume{Name|Path}
[VolumeGroupName|LogicalVolume{Name|Path} ...]]
DESCRIPTION
lvs produces formatted output about logical volumes.
OPTIONS
See lvm(8) for common options.
--aligned
Use with --separator to align the output columns.
--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.
--binary
Use binary values "0" or "1" instead of descriptive literal
values for columns that have exactly two valid values to report
(not counting the "unknown" value which denotes that the value
could not be determined).
--configreport ReportName
Make any subsequent -o, --options, -O, --sort or -S, --select to
apply for ReportName where ReportName is either 'lv' for
command's main report or 'log' for log report. If
--configreport option is not used to identify a report, then
command's main report is assumed. The log report is available
only if enabled by log/report_command_log lvm.conf(5) setting or
if --logonly option is used.
-H , --history
Include historical logical volumes in the output. (This has no
effect unless logical volumes were removed while the
configuration setting metadata/record_lvs_history was enabled.)
--logonly
Suppress the lvs report itself and display only log report on
output.
--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 current list of
columns, '-' to remove from the current list of columns or '#'
to compact given columns. The -o option can be repeated,
providing several lists. These lists are evaluated from left to
right.
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: chunk_size, convert_lv, copy_percent,
data_lv, devices, discards, lv_attr, lv_host, lv_kernel_major,
lv_kernel_minor, lv_kernel_read_ahead, lv_major, lv_minor,
lv_name, lv_path, lv_profile, lv_read_ahead, lv_size, lv_tags,
lv_time, lv_uuid, metadata_lv, mirror_log, modules, move_pv,
origin, origin_size, pool_lv, raid_max_recovery_rate,
raid_min_recovery_rate, raid_mismatch_count, raid_sync_action,
raid_write_behind, region_size, segtype, seg_count,
seg_pe_ranges, seg_size, seg_size_pe, seg_start, seg_start_pe,
seg_tags, snap_percent, stripes, stripe_size, sync_percent,
thin_count, transaction_id, zero.
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: (C)ache, (m)irrored, (M)irrored without initial
sync, (o)rigin, (O)rigin with merging snapshot, (r)aid,
(R)aid without initial sync, (s)napshot, merging (S)napshot,
(p)vmove, (v)irtual, mirror or raid (i)mage, mirror or raid
(I)mage out-of-sync, mirror (l)og device, under (c)onversion,
thin (V)olume, (t)hin pool, (T)hin pool data, raid or pool
m(e)tadata or pool metadata spare.
2 Permissions: (w)riteable, (r)ead-only, (R)ead-only activation
of non-read-only volume
3 Allocation policy: (a)nywhere, (c)ontiguous, (i)nherited,
c(l)ing, (n)ormal 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, (h)istorical, (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, thin-pool (c)heck needed, suspended thin-pool (C)heck
needed, (X) unknown
6 device (o)pen, (X) unknown
7 Target type: (C)ache, (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 original device-mapper mirror kernel
driver; whereas the raid equivalents using the md raid kernel
driver all appear as (r). Snapshots 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.
9 Volume Health, where there are currently three groups of
attributes identified:
Common ones for all Logical Volumes: (p)artial, (X) unknown.
(p)artial signifies that one or more of the Physical Volumes
this Logical Volume uses is missing from the system. (X)
unknown signifies the status is unknown.
Related to RAID Logical Volumes: (r)efresh needed,
(m)ismatches exist, (w)ritemostly.
(r)efresh signifies that one or more of the Physical Volumes
this RAID Logical Volume uses had suffered a write error. The
write error could be due to a temporary failure of that
Physical Volume or an indication that it is failing. The
device should be refreshed or replaced. (m)ismatches
signifies that the RAID logical volume has portions of the
array that are not coherent. Inconsistencies are detected by
initiating a "check" on a RAID logical volume. (The
scrubbing operations, "check" and "repair", can be performed
on a RAID logical volume via the 'lvchange' command.)
(w)ritemostly signifies the devices in a RAID 1 logical
volume that have been marked write-mostly.
Related to Thin pool Logical Volumes: (F)ailed, out of (D)ata
space, (M)etadata read only.
(F)ailed is set if thin pool encounters serious failures and
hence no further I/O is permitted at all. The out of (D)ata
space is set if thin pool has run out of data space.
(M)etadata read only signifies that thin pool encounters
certain types of failures but it's still possible to do reads
at least, but no metadata changes are allowed.
Related to Thin Logical Volumes: (F)ailed.
(F)ailed is set when related thin pool enters Failed state
and no further I/O is permitted at all.
10 s(k)ip activation: this volume is flagged to be skipped
during activation.
-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.
-S, --select Selection
Display only rows that match Selection criteria. All rows are
displayed with the additional "selected" column (-o selected)
showing 1 if the row matches the Selection and 0 otherwise. The
Selection criteria are defined by specifying column names and
their valid values (that can include reserved values) while
making use of supported comparison operators. See lvm(8) and -S,
--select description for more detailed information about
constructing the Selection criteria. As a quick help and to see
full list of column names that can be used in Selection
including the list of reserved values and the set of supported
selection operators, check the output of lvs -S help command.
--segments
Use default columns that emphasize segment information.
--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)
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