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Linux: Difference between revisions
→Volume group: width 50%
→Physical volume: width 50% |
→Volume group: width 50% |
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! Command | ! Command | ||
|- | |- | ||
| Create a volume group. | | style="width: 50%;" | Create a volume group. | ||
| <code>vgcreate vg1 /dev/sdb1 /dev/sdc1</code> | | style="width: 50%;" | <code>vgcreate vg1 /dev/sdb1 /dev/sdc1</code> | ||
|- | |- | ||
| Add a physical volume to a volume group. | | style="width: 50%;" | Add a physical volume to a volume group. | ||
| <code>vgextend vg1 /dev/sdd1</code> | | style="width: 50%;" | <code>vgextend vg1 /dev/sdd1</code> | ||
|- | |- | ||
| Display volume group. | | style="width: 50%;" | Display volume group. | ||
| <code>vgdisplay new_vg</code> | | style="width: 50%;" | <code>vgdisplay new_vg</code> | ||
|- | |- | ||
| Scan disks for volume groups. | | style="width: 50%;" | Scan disks for volume groups. | ||
| <code>vgscan</code> | | style="width: 50%;" | <code>vgscan</code> | ||
|- | |- | ||
| Remove a physical volume from a volume group. | | style="width: 50%;" | Remove a physical volume from a volume group. | ||
| <code>vgreduce group_name /dev/sdc1</code> | | style="width: 50%;" | <code>vgreduce group_name /dev/sdc1</code> | ||
|- | |- | ||
| Change the maximum number of logical volumes of volume group vg00 to 128. | | style="width: 50%;" | Change the maximum number of logical volumes of volume group vg00 to 128. | ||
| <code>vgchange -l 128 /dev/vg00</code> | | style="width: 50%;" | <code>vgchange -l 128 /dev/vg00</code> | ||
|- | |- | ||
| Activate or deactivate a volume group. | | style="width: 50%;" | Activate or deactivate a volume group. | ||
| <code>vgchange -a n my_volume_group</code> | | style="width: 50%;" | <code>vgchange -a n my_volume_group</code> | ||
|- | |- | ||
| Remove a volume group. | | style="width: 50%;" | Remove a volume group. | ||
| <code>vgremove officevg</code> | | style="width: 50%;" | <code>vgremove officevg</code> | ||
|- | |- | ||
| Split the physical volumes of a volume group and create a new volume group. | | style="width: 50%;" | Split the physical volumes of a volume group and create a new volume group. | ||
| <code>$ vgsplit bigvg smallvg /dev/ram15<br>Volume group "smallvg" successfully split from "bigvg"</code> | | style="width: 50%;" | <code>$ vgsplit bigvg smallvg /dev/ram15<br>Volume group "smallvg" successfully split from "bigvg"</code> | ||
|- | |- | ||
| Merge the inactive volume group my_vg into the active or inactive volume group databases giving verbose runtime information. | | style="width: 50%;" | Merge the inactive volume group my_vg into the active or inactive volume group databases giving verbose runtime information. | ||
| <code>vgmerge -v databases my_vg</code> | | style="width: 50%;" | <code>vgmerge -v databases my_vg</code> | ||
|- | |- | ||
| Change the name of a volume group. | | style="width: 50%;" | Change the name of a volume group. | ||
| <code>vgrename vg02 my_volume_group</code> | | style="width: 50%;" | <code>vgrename vg02 my_volume_group</code> | ||
|} | |} | ||