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在wr720n上利用extroot将openwrt扩容
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1、在openwrt上安装block-mount,挂载硬盘时需要它 | |
opkg update | |
opkg install block-mount | |
2、挂载硬盘 | |
mount /dev/sda2 /mnt | |
3、把/目录下的文件迁移到U盘,pivot-root方式,适用于Barrier Breaker(trunk)版本 | |
mkdir -p /tmp/cproot | |
mount --bind / /tmp/cproot | |
tar -C /tmp/cproot -cvf - . | tar -C /mnt/ -xf - | |
umount /tmp/cproot | |
4、编辑/etc/config/fstab,添加如下配置: | |
config mount | |
option target / | |
option device /dev/sda2 | |
option fstype ext3 | |
option options rw,sync | |
option enabled 1 | |
option enabled_fsck 0 | |
(如果没有fstab文件,可以用block detect > /etc/config/fstab来生成) |
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