Difference between revisions of "LVM"
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m (LVM2 expanding of xfs file system.) |
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LVM (specifically LVM2) is well supported by Red Hat/CentOS and is documented at https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/logical_volume_manager_administration/index | LVM (specifically LVM2) is well supported by Red Hat/CentOS and is documented at https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/logical_volume_manager_administration/index | ||
| + | |||
| + | = Initial Setup = | ||
| + | |||
| + | |||
| + | <syntaxhighlight> | ||
| + | parted /dev/sdX print # delete partitions with "rm <number>" if needed | ||
| + | parted /dev/sdX mklabel gpt | ||
| + | parted /dev/sdX mkpart LVM xfs 0% 100% | ||
| + | parted /dev/sdX print | ||
| + | pvdisplay | ||
| + | pvcreate /dev/sdX1 | ||
| + | pvdisplay | ||
| + | vgdisplay | ||
| + | vgcreate vol_home /dev/sdX1 | ||
| + | vgdisplay | ||
| + | lvcreate -l 100%FREE -n lv_home vol_home | ||
| + | lvdisplay | ||
| + | mkfs.xfs /dev/vol_home/lv_home | ||
| + | mkdir /mnt/home_scalable | ||
| + | chmod 555 /mnt/home_scalable | ||
| + | mount /dev/vol_home/lv_home /mnt/home_scalable | ||
| + | </syntaxhighlight> | ||
| + | |||
| + | = Expanding = | ||
| + | |||
| + | <syntaxhighlight> | ||
| + | vgextend vol_home /dev/sdY1 | ||
| + | |||
| + | lvextend -l 100%VG /dev/vol_home/lv_home | ||
| + | |||
| + | xfs_growfs /dev/vol_home/lv_home | ||
| + | </syntaxhighlight> | ||
Latest revision as of 15:30, 9 January 2018
LVM (specifically LVM2) is well supported by Red Hat/CentOS and is documented at https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/logical_volume_manager_administration/index
Initial Setup
parted /dev/sdX print # delete partitions with "rm <number>" if needed
parted /dev/sdX mklabel gpt
parted /dev/sdX mkpart LVM xfs 0% 100%
parted /dev/sdX print
pvdisplay
pvcreate /dev/sdX1
pvdisplay
vgdisplay
vgcreate vol_home /dev/sdX1
vgdisplay
lvcreate -l 100%FREE -n lv_home vol_home
lvdisplay
mkfs.xfs /dev/vol_home/lv_home
mkdir /mnt/home_scalable
chmod 555 /mnt/home_scalable
mount /dev/vol_home/lv_home /mnt/home_scalableExpanding
vgextend vol_home /dev/sdY1
lvextend -l 100%VG /dev/vol_home/lv_home
xfs_growfs /dev/vol_home/lv_home