Published: August 11, 2012 // Category: OpenWrt // 3 Comments
View current system partition information:
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cat /proc/mtd
dev: size erasesize name
mtd0: 00020000 00020000 "CFE"
mtd1: 000dff00 00020000 "kernel"
mtd2: 00ee0000 00020000 "rootfs"
mtd3: 00840000 00020000 "rootfs_data"
mtd4: 00020000 00020000 "nvram"
mtd5: 00fc0000 00020000 "linux"
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Backup system CFE:
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dd
if
=
/dev/mtd0
of=
/mnt/cfe
.bin
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Backup and restore Openwrt system configuration:
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#备份自定义系统信息，包括新安装软件
dd
if
=
/dev/mtd3
of=
/mnt/overlay
.bin
#恢复备份设置
mtd -r write
/mnt/overlay
.bin rootfs_data
#仅备份系统配置
sysupgrade -b
/mnt/back
.
tar
.gz
#恢复系统配置
sysupgrade -r
/mnt/back
.
tar
.gz
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Restore the Openwrt system default settings:
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rm
-rf
/overlay/
* && reboot
#删除/overlay分区所有文件，重启即恢复默认设置
mtd -r erase rootfs_data
#使用mtd清除/overlay分区信息后重启即恢复默认设置
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Refresh the system:
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#使用mtd更新系统
mtd -r write openwrt.bin linux
#刷机并恢复系统配置，推荐
sysupgrade -f
/mnt/back
.
tar
.gz img.bin
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