本文记录了在Linux系统中进行磁盘挂载的两种方法——PVS分盘和fdisk分盘，以及如何在已有目录上扩充磁盘空间。内容包括实际操作的命令记录，适合Linux初学者参考。
最近实施的一个项目，除开linux操作系统不用自己安装，所有操作都需要自己亲力亲为，对于linux命令不是很熟练的我，通过各种查资料终于把最开始的磁盘挂载和扩充搞定，留下笔记，供大家参考。
逻辑磁盘挂载方法一（PVS分盘）
| [root@localhost ~]# pvs PV VG Fmt Attr PSize PFree /dev/sda2 VolGroup lvm2 a--u 31.51g 0 /dev/sdb vg_test lvm2 a--u 32.00g 32.00g [root@localhost ~]# pvresize /dev/sdb Physical volume "/dev/sdb" changed 1 physical volume(s) resized / 0 physical volume(s) not resized [root@localhost ~]# pvs PV VG Fmt Attr PSize PFree /dev/sda2 VolGroup lvm2 a--u 31.51g 0 /dev/sdb vg_test lvm2 a--u 100.00g 100.00g [root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup-lv_root 28G 12G 16G 43% / tmpfs 3.9G 76K 3.9G 1% /dev/shm /dev/sda1 477M 74M 378M 17% /boot #esb_lv自定义,vg_test 与 /dev/sdb对应上 [root@localhost ~]# lvcreate -L 100G -n esb_lv vg_test Logical volume "esb_lv" created. #格式化对应的逻辑目录 [root@localhost ~]# mkfs.ext4 /dev/vg_test/esb_lv mke2fs 1.41.12 (17-May-2010) Discarding device blocks: done Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 5898240 inodes, 23592960 blocks 1179648 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=4294967296 720 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000
Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 29 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override. #在/etc/fstab文件中增加一行 /dev/mapper/vg_test-esb_lv /home ext4 defaults 0 0 [root@local |
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