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Operating Systems AIX Type of Logical Volume lost after vgexport/gvimport process Post 302257581 by cerber0 on Wednesday 12th of November 2008 02:41:24 PM
Old 11-12-2008
Type of Logical Volume lost after vgexport/gvimport process

Hi, I have the next doubt about of lost of characteristic of LV

in my original configuration

# lsvg -l ifxvg
ifxvg:
LV NAME TYPE LPs PPs PVs LV STATE MOUNT POINT
aw64m_01 jfs 1 1 1 open/syncd N/A
aw64m_02 jfs 1 1 1 open/syncd N/A
aw64m_03 jfs 1 1 1 open/syncd N/A

However, after of varyoff, vgexport ang vgimport of the ifxvg I have the next output

# lsvg -l ifxvg
LV NAME TYPE LPs PPs PVs LV STATE MOUNT POINT
aw64m_01 1 1 1 open/syncd N/A
aw64m_02 1 1 1 open/syncd N/A
aw64m_03 1 1 1 open/syncd N/A

The Volumes are raw devices of informix DB, the database run succesfully, however my doubt is for that reason the "type" disappear after of vgexport.
 

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

NAME
lvreduce - reduce the size of a logical volume SYNOPSIS
lvreduce [-A|--autobackup y|n] [-d|--debug] [-f|--force] [-h|-?|--help] {-l|--extents [-]LogicalExtentsNumber[%{VG|LV|FREE}] | -L|--size [-]LogicalVolumeSize[kKmMgGtT]} [-t|--test] [-v|--verbose] LogicalVolume[Path] DESCRIPTION
lvreduce allows you to reduce the size of a logical volume. Be careful when reducing a logical volume's size, because data in the reduced part is lost!!! You should therefore ensure that any filesystem on the volume is resized before running lvreduce so that the extents that are to be removed are not in use. Shrinking snapshot logical volumes (see lvcreate(8) for information to create snapshots) is supported as well. But to change the number of copies in a mirrored logical volume use lvconvert (8). Sizes will be rounded if necessary - for example, the volume size must be an exact number of extents and the size of a striped segment must be a multiple of the number of stripes. OPTIONS
See lvm for common options. -f, --force Force size reduction without any question. -l, --extents [-]LogicalExtentsNumber[%{VG|LV|FREE}] Reduce or set the logical volume size in units of logical extents. With the - sign the value will be subtracted from the logical volume's actual size and without it the will be taken as an absolute size. The number can also be expressed as a percentage of the total space in the Volume Group with the suffix %VG or relative to the existing size of the Logical Volume with the suffix %LV or as a percentage of the remaining free space in the Volume Group with the suffix %FREE. -L, --size [-]LogicalVolumeSize[kKmMgGtTpPeE] Reduce or set the logical volume size in units of megabyte by default. A size suffix of k for kilobyte, m for megabyte, g for giga- bytes, t for terabytes, p for petabytes or e for exabytes is optional. With the - sign the value will be subtracted from the logi- cal volume's actual size and without it it will be taken as an absolute size. Example "lvreduce -l -3 vg00/lvol1" reduces the size of logical volume lvol1 in volume group vg00 by 3 logical extents. SEE ALSO
lvchange(8), lvconvert(8), lvcreate(8), lvextend(8), lvm(8), lvresize(8), vgreduce(8) Sistina Software UK LVM TOOLS 2.02.44-cvs (02-17-09) LVREDUCE(8)
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