[root@oracledb tmp]# fdisk -l

Disk /dev/sda: 107.4 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0001db8a

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          64      512000   83  Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2              64       13055   104344576   8e  Linux LVM

Disk /dev/sdb: 322.1 GB, 322122547200 bytes
255 heads, 63 sectors/track, 39162 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xe954d491

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1           26101       39162   104920515   83  Linux
/dev/sdb2           18301       26100    62653500   83  Linux
/dev/sdb3            5201       18300   105225750   83  Linux
/dev/sdb4               1        5200    41768968+  83  Linux

Partition table entries are not in disk order

Disk /dev/mapper/VolGroup-lv_root: 53.7 GB, 53687091200 bytes
255 heads, 63 sectors/track, 6527 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/VolGroup-lv_swap: 4160 MB, 4160749568 bytes
255 heads, 63 sectors/track, 505 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/VolGroup-lv_home: 49.0 GB, 48997859328 bytes
255 heads, 63 sectors/track, 5956 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
关闭交换分区
[root@oracledb tmp]# swapoff /dev/mapper/VolGroup-lv_swap
[root@oracledb tmp]# free
             total       used       free     shared    buffers     cached
Mem:      16328004   16118384     209620          0     209348   14644116
-/+ buffers/cache:    1264920   15063084
Swap:            0          0          0
[root@oracledb tmp]# cd /home
[root@oracledb home]# df -h
Filesystem                    Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root   50G   15G   33G  31% /
tmpfs                         7.8G  4.3G  3.5G  56% /dev/shm
/dev/sda1                     485M   40M  421M   9% /boot
/dev/sdb4                      40G  4.2G   34G  12% /orasoft
/dev/sdb3                      99G  1.7G   93G   2% /datafile
/dev/sdb2                      59G  180M   56G   1% /archlog
/dev/sdb1                      99G  188M   94G   1% /rman
/dev/mapper/VolGroup-lv_home   45G  4.7G   38G  11% /home
[root@oracledb home]# ls
database  linux.x64_11gR2_database_1of2.zip  linux.x64_11gR2_database_2of2.zip  lost+found  oracle
创建交换文件
[root@oracledb home]# dd if=/dev/zero of=/home/swap bs=1M count=16384
16384+0 records in
16384+0 records out
17179869184 bytes (17 GB) copied, 152.746 s, 112 MB/s
格式化交换文件
[root@oracledb home]# mkswap /home/swap
mkswap: /home/swap: warning: don't erase bootbits sectors
        on whole disk. Use -f to force.
Setting up swapspace version 1, size = 16777212 KiB
no label, UUID=c374ce3c-5a76-48d5-83eb-34ba1ada0eb8
启动交换分区
[root@oracledb home]# swapon /home/swap
[root@oracledb home]# free
             total       used       free     shared    buffers     cached
Mem:      16328004   16160836     167168          0      58104   14860272
-/+ buffers/cache:    1242460   15085544
Swap:     16777208          0   16777208
验证交换分区
[root@oracledb home]# swapon -s
Filename                                Type            Size    Used    Priority
/home/swap                              file            16777208        0       -1
修改启动文件
[root@oracledb home]# vi /etc/fstab
#
# /etc/fstab
# Created by anaconda on Thu May 19 15:56:21 2016
#
# 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
#
/dev/mapper/VolGroup-lv_root /                       ext4    defaults        1 1
UUID=637a8162-f311-400b-9ab4-cff0253a05a7 /boot                   ext4    defaults        1 2
UUID=fe30bb75-f1ba-4297-86ef-9b6c129c5a9a /orasoft      ext4    defaults        1 2
UUID=848a9035-b66c-40b4-8577-4f141cfcc22d /datafile      ext4    defaults        1 2
UUID=fcb7b4ac-4d09-412b-841d-453d79ebf320 /archlog      ext4    defaults        1 2
UUID=0742de0f-525c-4532-9875-817e8f1213c4 /rman      ext4    defaults        1 2
/dev/mapper/VolGroup-lv_home /home                   ext4    defaults        1 2
/dev/mapper/VolGroup-lv_swap 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
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#
# /etc/fstab
# Created by anaconda on Thu May 19 15:56:21 2016
#
# 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
#
/dev/mapper/VolGroup-lv_root /                       ext4    defaults        1 1
UUID=637a8162-f311-400b-9ab4-cff0253a05a7 /boot                   ext4    defaults        1 2
UUID=fe30bb75-f1ba-4297-86ef-9b6c129c5a9a /orasoft      ext4    defaults        1 2
UUID=848a9035-b66c-40b4-8577-4f141cfcc22d /datafile      ext4    defaults        1 2
UUID=fcb7b4ac-4d09-412b-841d-453d79ebf320 /archlog      ext4    defaults        1 2
UUID=0742de0f-525c-4532-9875-817e8f1213c4 /rman      ext4    defaults        1 2
/dev/mapper/VolGroup-lv_home /home                   ext4    defaults        1 2
"/etc/fstab" 21L, 1243C written
[root@oracledb home]# cd /home
[root@oracledb home]# ls
database  linux.x64_11gR2_database_1of2.zip  linux.x64_11gR2_database_2of2.zip  lost+found  oracle  swap
[root@oracledb home]# ll
total 19072844
drwxrwxr-x.  8 oracle dba         4096 Aug 21  2009 database
-rwxrwxr-x.  1 oracle dba   1239269270 Mar 27 19:51 linux.x64_11gR2_database_1of2.zip
-rwxrwxr-x.  1 oracle dba   1111416131 Mar 27 19:59 linux.x64_11gR2_database_2of2.zip
drwxrwxr-x.  2 oracle dba        16384 May 19 15:55 lost+found
drwxrwxr-x  26 oracle dba         4096 May 19 22:42 oracle
-rw-r--r--   1 root   root 17179869184 May 20 09:23 swap
[root@oracledb home]# free
             total       used       free     shared    buffers     cached
Mem:      16328004   16148352     179652          0      59260   14861868
-/+ buffers/cache:    1227224   15100780
Swap:     16777208          0   16777208
[root@oracledb home]# ps -ef|grep ora_
oracle    4789     1  0 09:26 ?        00:00:00 ora_w000_jlytxxgl
oracle    4969     1  0 09:29 ?        00:00:00 ora_j000_jlytxxgl
oracle    4971     1  0 09:29 ?        00:00:00 ora_j001_jlytxxgl
root      4973 18926  0 09:29 pts/3    00:00:00 grep ora_
oracle   23128     1  0 May19 ?        00:00:05 ora_pmon_jlytxxgl
oracle   23130     1  0 May19 ?        00:00:08 ora_vktm_jlytxxgl
oracle   23134     1  0 May19 ?        00:00:01 ora_gen0_jlytxxgl
oracle   23136     1  0 May19 ?        00:00:01 ora_diag_jlytxxgl
oracle   23138     1  0 May19 ?        00:00:01 ora_dbrm_jlytxxgl
oracle   23140     1  0 May19 ?        00:00:02 ora_psp0_jlytxxgl
oracle   23142     1  0 May19 ?        00:00:22 ora_dia0_jlytxxgl
oracle   23144     1  0 May19 ?        00:00:03 ora_mman_jlytxxgl
oracle   23146     1  0 May19 ?        00:00:03 ora_dbw0_jlytxxgl
oracle   23148     1  0 May19 ?        00:00:02 ora_dbw1_jlytxxgl
oracle   23150     1  0 May19 ?        00:00:04 ora_lgwr_jlytxxgl
oracle   23152     1  0 May19 ?        00:00:09 ora_ckpt_jlytxxgl
oracle   23154     1  0 May19 ?        00:00:03 ora_smon_jlytxxgl
oracle   23156     1  0 May19 ?        00:00:00 ora_reco_jlytxxgl
oracle   23158     1  0 May19 ?        00:00:07 ora_mmon_jlytxxgl
oracle   23160     1  0 May19 ?        00:00:12 ora_mmnl_jlytxxgl
oracle   23162     1  0 May19 ?        00:00:00 ora_d000_jlytxxgl
oracle   23164     1  0 May19 ?        00:00:00 ora_s000_jlytxxgl
oracle   23194     1  0 May19 ?        00:00:00 ora_qmnc_jlytxxgl
oracle   23228     1  0 May19 ?        00:00:07 ora_cjq0_jlytxxgl
oracle   23343     1  0 May19 ?        00:00:00 ora_q000_jlytxxgl
oracle   23345     1  0 May19 ?        00:00:00 ora_q001_jlytxxgl
oracle   23349     1  0 May19 ?        00:00:01 ora_smco_jlytxxgl

[root@oracledb home]# reboot

Broadcast message from root@oracledb
        (/dev/pts/3) at 9:30 ...

The system is going down for reboot NOW!