Creating The Volume Group; Creating The Logical Volume; Creating The File System - Red Hat ENTERPRISE LINUX 4 - LVM ADMINISTRATOR Manual

Physical volume "/dev/sdc1" successfully created

5.2.2. Creating the Volume Group

The following command creates the volume group striped_vol_group.
[root@tng3-1 ~]# vgcreate striped_vol_group /dev/sda1 /dev/sdb1 /dev/sdc1
Volume group "striped_vol_group" successfully created
You can use the vgs command to display the attributes of the new volume group.
[root@tng3-1 ~]# vgs
VG
striped_vol_group

5.2.3. Creating the Logical Volume

The following command creates the striped logical volume striped_logical_volume from the
volume group striped_vol_group. This example creates a logical volume that is 2 gigabytes in
size, with three stripes and a stripe size of 4 kilobytes.
[root@tng3-1 ~]# lvcreate -i3 -I4 -L2G -nstriped_logical_volume
striped_vol_group
Rounding size (512 extents) up to stripe boundary size (513 extents)
Logical volume "striped_logical_volume" created

5.2.4. Creating the File System

The following command creates a GFS file system on the logical volume.
[root@tng3-1 ~]#
striped_logical_volume
This will destroy any data on /dev/striped_vol_group/
striped_logical_volume.
Are you sure you want to proceed? [y/n] y
Device:
Blocksize:
Filesystem Size:
Journals:
Resource Groups:
Locking Protocol:
Lock Table:
#PV #LV #SN Attr
3 0 0 wz--n- 51.45G 51.45G
gfs_mkfs -plock_nolock -j 1 /dev/striped_vol_group/
/dev/striped_vol_group/striped_logical_volume
4096
492484
1
8
lock_nolock
Creating the Volume Group
VSize VFree
55