| Article Index |
|---|
| Howto use and resize partition with LVM |
| Physical Volume |
| Volumes Group |
| Logical Volume |
| Resize LVM Partition |
| Tips and Tricks |
| All Pages |
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Type : System
Operating System : Linux
LVM is one of the most important tools for systems administrators,it used to manage space on one hard drive or one RAID solution. LVM provide you some options to create, resize or extend linux partition easily without a repartitioning of you server.
About LVM :
LVM Version :
- LVM2 -> kernel >= 2.4
- LVM1 -> kernel 2.4
LVM Level :
- PV : Physical Volume (A physical volume is like a hard disk)
- VG : Volumes Group (Abstract Level, could be a collection of physical volumes and Logical Volume)
- LV : Logical Volume (Equal to a disk partition in a non-LVM system)
Example of hierarchie :
LVM is provide during the installation process but for that you have to made your own partitioning during the installation with Disk Druid on redhat or centos distribution.
Remark: if you have a logical raid, you must create first the RAID volumes before the installation and creation LVM Volulmes
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