Capitolo 5. Esempi di configurazione LVM

pvcreate /dev/sda1 /dev/sdb1 /dev/sdc1

[root@tng3-1 ~]# pvcreate /dev/sda1 /dev/sdb1 /dev/sdc1
  Physical volume "/dev/sda1" successfully created
  Physical volume "/dev/sdb1" successfully created
  Physical volume "/dev/sdc1" successfully created

vgcreate new_vol_group /dev/sda1 /dev/sdb1 /dev/sdc1

[root@tng3-1 ~]# vgcreate new_vol_group /dev/sda1 /dev/sdb1 /dev/sdc1
  Volume group "new_vol_group" successfully created

vgs

[root@tng3-1 ~]# vgs
  VG            #PV #LV #SN Attr   VSize  VFree
  new_vol_group   3   0   0 wz--n- 51.45G 51.45G

lvcreate -L2G -n new_logical_volume new_vol_group

[root@tng3-1 ~]# lvcreate -L2G -n new_logical_volume new_vol_group
  Logical volume "new_logical_volume" created

mkfs.gfs2 -plock_nolock -j 1 /dev/new_vol_group/new_logical_volume

[root@tng3-1 ~]# mkfs.gfs2 -plock_nolock -j 1 /dev/new_vol_group/new_logical_volume
This will destroy any data on /dev/new_vol_group/new_logical_volume.

Are you sure you want to proceed? [y/n] y

Device:                    /dev/new_vol_group/new_logical_volume
Blocksize:                 4096
Filesystem Size:           491460
Journals:                  1
Resource Groups:           8
Locking Protocol:          lock_nolock
Lock Table:

Syncing...
All Done

mount /dev/new_vol_group/new_logical_volume /mnt
df

[root@tng3-1 ~]# mount /dev/new_vol_group/new_logical_volume /mnt
[root@tng3-1 ~]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/new_vol_group/new_logical_volume
                       1965840        20   1965820   1% /mnt