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以下是备份方法：开启telnet,在shell下操作，光猫上插U盘（可用容量大于512M即可）- t2 L% W) X7 e2 D! W
获取rom分区：cat /proc/mtd
3 C' [. Y+ S- y# n分区结构如下
5 M. U! v# h/ m2 N1 Gdev: size erasesize name
1 g; `" ?/ N( w# ymtd0: 00100000 00020000 "startcode"
2 e0 G) L# E' {- umtd1: 0ff00000 00020000 "ubifs"1 K7 `9 w" L. y' p: L$ }5 f) o
mtd2: 00000000 00000000 "reserved" A6 k' u" Q8 G! |
mtd3: 0009b000 0001f000 "ubootA"
: T5 B! `% X: J& z" {8 Ymtd4: 0009b000 0001f000 "ubootB"$ R! w& a. B7 J8 h
mtd5: 0003e000 0001f000 "flash_configA"
0 u- Y0 A, \( Y# B* Zmtd6: 0003e000 0001f000 "flash_configB"
t; j, V. o' f1 }) c1 L- |' amtd7: 0003e000 0001f000 "slave_paramA"
5 m1 h5 M' z* L& c8 R& pmtd8: 0003e000 0001f000 "slave_paramB" C) |9 Q7 j$ @& T
mtd9: 00307000 0001f000 "kernelA"' N0 J/ t( X& G: v- h
mtd10: 00307000 0001f000 "kernelB"2 D: }, R& j1 ~$ d
mtd11: 02815000 0001f000 "rootfsA"3 }# \5 Q4 S. Z! [0 [+ R2 F
mtd12: 02815000 0001f000 "rootfsB"
7 u' \$ O0 x$ U0 `mtd13: 0003e000 0001f000 "wifi_paramA"; e* C) {- A U3 P7 d
mtd14: 0003e000 0001f000 "wifi_paramB"0 t6 ~/ i1 V5 k
mtd15: 0003e000 0001f000 "system_param"5 k3 C. k# i7 x1 p
mtd16: 0141a000 0001f000 "file_system"
) v6 ]# I% C- B! E7 Q9 ymtd17: 0801e000 0001f000 "app") `* R9 j2 H. B0 ^6 {1 z
% v6 J6 @' X3 x9 g进入telnet,输入root,密码：adminHW,然后输入su,再输入shell，即可执行以下命令（一条输入一条命令，完成了在输下一条）/ P' }1 R0 K" j+ k1 V
dd if=/dev/mtd0 of=/mnt/usb1_1/mtd0.bin
. L9 H% D% m( W) A {1 m% xdd if=/dev/mtd1 of=/mnt/usb1_1/mtd1.bin5 Q3 ^* B; q$ H, E
dd if=/dev/mtd2 of=/mnt/usb1_1/mtd2.bin
7 b/ ?9 r# N. l# r4 Ndd if=/dev/mtd3 of=/mnt/usb1_1/mtd3.bin
$ W7 X& ]; Z; v$ T; A; s1 Ndd if=/dev/mtd4 of=/mnt/usb1_1/mtd4.bin3 ?/ H* [1 B' b( j# a z
dd if=/dev/mtd5 of=/mnt/usb1_1/mtd5.bin
* L8 e7 E3 ?9 ]# K: }8 f( N. ^dd if=/dev/mtd6 of=/mnt/usb1_1/mtd6.bin
2 `/ ?# M4 Z6 Y& f$ odd if=/dev/mtd7 of=/mnt/usb1_1/mtd7.bin
) E! u4 J" j% D+ v6 Ddd if=/dev/mtd8 of=/mnt/usb1_1/mtd8.bin
, _6 y- `. K# W" Wdd if=/dev/mtd9 of=/mnt/usb1_1/mtd9.bin
* q. G) A# Y; \4 \2 T1 n! ]dd if=/dev/mtd10 of=/mnt/usb1_1/mtd10.bin
9 t" K4 T9 T1 Y. [+ [/ R1 B2 y6 H$ ddd if=/dev/mtd11 of=/mnt/usb1_1/mtd11.bin9 e% ~1 ~. P: \5 ~4 {
dd if=/dev/mtd12 of=/mnt/usb1_1/mtd12.bin( a! e+ r) x; G
dd if=/dev/mtd13 of=/mnt/usb1_1/mtd13.bin
- g' K; X1 n7 O! Add if=/dev/mtd14 of=/mnt/usb1_1/mtd14.bin
/ M# a+ h7 n+ B5 ]8 X: q, [* fdd if=/dev/mtd15 of=/mnt/usb1_1/mtd15.bin
, B, h) {1 L+ T9 I- ~7 k6 {dd if=/dev/mtd16 of=/mnt/usb1_1/mtd16.bin
6 Y8 z5 u: h. q6 l; Cdd if=/dev/mtd17 of=/mnt/usb1_1/mtd17.bin
! z" E! ~) ]+ r一共17个
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发表于 2018-9-23 18:57:58