linux 修改swap

创建 swap 区,512MB
dd if=/dev/zero of=/home/swapfile bs=1024 count=512000

标记
mkswap /home/swapfile

启用
swapon /home/swapfile

修改fstab
/home/swapfile swap swap defaults 0 0

或者直接调整原swap

swapoff /dev/mapper/vg_orcldb-lv_swap

lvextend -L +4G /dev/vg_orcldb/lv_swap

mkswap /dev/mapper/vg_orcldb-lv_swap

swapon /dev/mapper/vg_orcldb-lv_swap

检查fstab

posted @ 2017-11-15 08:39  peiybpeiyb  阅读(151)  评论(0)  编辑  收藏  举报