aix vg lv pv

lsvg

lsvg -o

lsvg rootvg 查看rootvg的信息

lsvg -p rootvg 查看rootvg卷里的物理硬盘以及分布信息

lsvg -l rootvg 查看rootvg卷下的逻辑卷的基本信息

 

add a volume group

smit mkvg 通过smit工具进行添加卷组,可以设置更多信息

mkvg command to create a volume group named newvg created with a physical partition size of 2 MB is: 

mkvg -s 2 -y newvg hdisk1

 

 

to display the LTG size of a disk, use the command:

/usr/sbin/lquerypv -M hdisk0

 

setting the LTG size

varyonvg -M512K myvg

set the logical track group size to the common maximum transfer size of the disks:

chvg -L 0 tmpvg

 

designate a hot spare:

chpv -hy hdisk1

chpv -hn hdisk1

 

add a physical volume to a volume group:

extendvg -f volumegroup hdiskn

 

removed a physical volume from a volume group:

reducevg -d -f volumegroup hdiskn

 

how to remove a volume group:

reducevg -d -f volumgroup physicalvolume

 

 

activate/deactivate a volume group

varyonvg datavg

varyoffvg datavg

 

import/export a volume group