NAME

lvdisplay − Displays information about logical volumes

SYNOPSIS

/usr/sbin/lvdisplay [−v] LogicalVolumePath ... 

DESCRIPTION

The lvdisplay command displays the characteristics and status of each logical volume specified by the LogicalVolumePath parameter.  If you use the −v (verbose) option, the program displays physical volume (PV) distribution information, and map information about the physical extents that correspond to the logical extents of the logical volume(s). 

If you enter the lvdisplay command without any flags, the program displays information about the following characteristics:

LV Name:The name of the logical volume

VG Name:The name of the volume group

LV Permission:
The access permission: read-only or read-write

LV Status:The state of the logical volume:  available/stale,  available/syncd, or unavailable Available/stale indicates that the logical volume is available but contains physical extents that are not current. Available/syncd indicates that the logical volume is available and synchronized. Unavailable indicates that the logical volume is not available for use.

Write verify:
The write verify state of the logical volume: on or off

Mirror Copies:
The number of physical extents allocated for each logical extent

Schedule:The sequential or parallel scheduling policy

Current LE:
The number of logical extents currently in the logical volume

Allocated PE:
The number of physical extents allocated to the logical volume

Bad Blocks:The bad block relocation policy

Allocation:The current allocation state: strict or non-strict A strict allocation specifies that mirror copies for a logical extent are not allocated on the same physical volume.  A non-strict allocation specifies that physical extents that belong to the same logical extent can be allocated on the same physical volume.  If the allocation does not meet the criteria for strict, it is considered to be non-strict. 

FLAGS

−vLists the map and the following additional information about the distribution of the logical volume across the physical volumes of the volume group.  Distribution of logical volume: lists the distribution of the logical volume LogicalVolumePath within the volume group:

PV Name:The name of the physical volume to which the logical extents are allocated

LE on PV:The number of logical extents that are allocated on the physical volume

PE on PV:The number of physical extents that are allocated on the physical volume

Logical extents: displays the following information for each logical extent:

LE:The logical extent number

PV1:The physical volume name that corresponds to the location of the first physical extent of the logical extent

PE1:The first physical extent number allocated to the logical extent

Status 1:The status of the first physical extent: stale or current

PV2:The physical volume name that corresponds to the location of the second physical extent (first copy) of the logical extent

PE2:The second physical extent number allocated to the logical extent

Status 2:The status of the second physical extent: stale or current

PV3:The physical volume name that corresponds to the location of the third physical extent (second copy) of the logical extent

PE3:The third physical extent number allocated to the logical extent

Status 3:The status of the third physical extent: stale or current

EXAMPLES

     1.To display information about the logical volume, lv03, enter:

lvdisplay /dev/vg01/lv03

The program displays information about lv03, its logical and physical extents, and the volume group to which it belongs. 

     2.To display all the available information about the logical volume, lv03, enter:

lvdisplay −v /dev/vg01/lv03

The program displays the characteristics, status and distribution map of lv03. 

FILES

/usr/sbin/lvdisplay
Specifies the command path.

RELATED INFORMATION

Commands:  lvchange(8), lvcreate(8), lvextend(8), lvreduce(8), pvdisplay(8), vgdisplay(8)