磁盘格式化
[root@11gdg ~]# mkfs.ext4 /dev/sdb1 mke2fs 1.41.12 (17-May-2010) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks inodes, 2620595 blocks blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=2684354560 block groups blocks per group, 32768 fragments per group inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632 Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 31 mounts or days, whichever comes first. Use tune2fs -c or -i to override. mkfs.ext4 /dev/sdb1
磁盘挂载
[root@11gdg /]# mount -t ext4 /dev/sdb1 /rman_backup/ [root@11gdg /]# df -Th Filesystem Type Size Used Avail Use% Mounted on /dev/sda2 ext4 16G 2.9G 13G 20% / tmpfs tmpfs 751M 0 751M 0% /dev/shm /dev/sdb1 ext4 9.9G 151M 9.2G 2% /rman_backup # # /etc/fstab # Created by anaconda on Fri Jun 28 01:39:52 2013 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # UUID=d2abcbb7-dc9b-4fdd-9971-4f1060f19187 / ext4 defaults 1 1 UUID=a42a3594-4da2-4371-b20c-2ca36d569356 swap swap defaults 0 0 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 /dev/sdb1 /rman_backup ext4 defaults 0 0 vi /etc/fstab