1， 配置grub ，设定ramdisk_size= size
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[root@localhost ~]# cat /etc/grub.conf
# grub.conf generated by anaconda## Note that you do not have to rerun grub after making changes to this file# NOTICE: You have a /boot partition. This means that# all kernel and initrd paths are relative to /boot/, eg.# root (hd0,0)# kernel /vmlinuz-version ro root=/dev/vda6# initrd /initrd-[generic-]version.img#boot=/dev/vdadefault=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenutitle CentOS (2.6.32-358.el6.x86_64)
root (hd0,0)
kernel /vmlinuz-2.6.32-358.el6.x86_64 ro root=UUID=5f60bd8c-5991-4101-a1f4-a08f3ef88832 rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet ramdisk_size=102400
initrd /initramfs-2.6.32-358.el6.x86_64.img
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2, 创建目录
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mkdir /ramdisk
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3, 格式化ram0 内存硬盘
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mke2fs /dev/ram0
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4, 开机自动挂载
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经过验证，无法采用fstab 挂载 |
5，手动挂载
本文转自 swq499809608 51CTO博客，原文链接:http://blog.51cto.com/swq499809608/1617575
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mount /dev/ram0 /ramdisk
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