How to create Logical Volume
To create a LVM, run
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lvcreate -L 3T -n backup vg1 |
This command will create a logical volume with 3 TB size with name backup inside volume group vg1.
To format it as xfs file system, run
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mkfs.xfs /dev/vg1/backup |
To mount it, add the following line in /etc/fstab file.
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/dev/vg1/backup /backup xfs defaults 0 0 |
Create LVM using all available disk space
Create a LVM using all available disk space in Volume Group vg1
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root@ok:~# lvcreate --extents 100%FREE vg1 -n data1 Logical volume "data1" created. root@ok:~# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert data1 vg1 -wi-a----- 58.10t root@ok:~# |
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lvcreate --size 100G --type thin-pool --thinpool LV_NAME_HERE VG_NAME_HERE |
example
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[root@server ~]# lvcreate --size 100G --type thin-pool --thinpool thin_pool vg-storage Thin pool volume with chunk size 64.00 KiB can address at most 15.81 TiB of data. Logical volume "thin_pool" created. [root@server ~]# |
To remove the volume created, run
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[root@server ~]# lvremove vg-storage/thin_pool Do you really want to remove active logical volume vg-storage/thin_pool? [y/n]: y Logical volume "thin_pool" successfully removed [root@server ~]# |
See lvm