Red Hat GLOBAL FILE SYSTEM 5.0, Руководство администратора

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[root@tng3-1 ~]# lvcreate -L2G -n new_logical_volume new_vol_group
Logical volume "new_logical_volume" created
1.4. Creating the File System
The following command creates a GFS file system on the logical volume.
[root@tng3-1 ~]# gfs_mkfs -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
The following commands mount the logical volume and report the file system disk space usage.
[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
2. Creating a Striped Logical Volume
This example creates an LVM striped logical volume called
striped_logical_volume
that
stripes data across the disks at
/dev/sda1
,
/dev/sdb1
, and
/dev/sdc1
.
2.1. Creating the Physical Volumes
Label the disks you will use in the volume groups as LVM physical volumes.
Caution
Chapter 5. LVM Configuration Examples
60