Swap領域追加

[root@oelnode01 ~]# cat /proc/swaps
Filename Type Size Used Priority
/dev/mapper/VolGroup00-LogVol01 partition 2031608 0 -1
[root@oelnode01 ~]#
[root@oelnode01 ~]# dd if=/dev/zero of=/tmp/swap bs=1024 count=100
100+0 records in
100+0 records out
[root@oelnode01 ~]#
[root@oelnode01 ~]# ll /tmp/swap
-rw-r--r-- 1 root root 102400 May 24 21:17 /tmp/swap
[root@oelnode01 ~]#
[root@oelnode01 ~]# mkswap -c /tmp/swap
Setting up swapspace version 1, size = 98 kB
[root@oelnode01 ~]#
[root@oelnode01 ~]# swapon /tmp/swap
[root@oelnode01 ~]#
[root@oelnode01 ~]# cat /proc/swaps
Filename Type Size Used Priority
/dev/mapper/VolGroup00-LogVol01 partition 2031608 0 -1
/tmp/swap file 92 0 -2
[root@oelnode01 ~]#
[root@oelnode01 ~]# swapoff /tmp/swap
[root@oelnode01 ~]#
[root@oelnode01 ~]# cat /proc/swaps
Filename Type Size Used Priority
/dev/mapper/VolGroup00-LogVol01 partition 2031608 0 -1
[root@oelnode01 ~]#
[root@oelnode01 ~]# rm /tmp/swap
rm: remove regular file `/tmp/swap'? y
[root@oelnode01 ~]# swapon -s
Filename Type Size Used Priority
/dev/mapper/VolGroup00-LogVol01 partition 2031608 0 -1