RE: [ts-7000] making a new Debian Linux micro disk from an old one, with busybox linux.

[Serkan KÜRÜZ <>]

If u want use an 1Gb MicroSD it is easy to make it as an one partition disk. (the other partitions not necessary)

Firstly,

-          format your 1Gb disk as Ext3 (ex: #mkfs.ext3   /dev/sdc1)

-          mount the old 2Gb disk and look at the which directory debian is mounted. (at your disk I think /dev/ndb0p4)

-          use dd command for copy the debian to new disk partition. (ex: #dd if=/dev/ndb0p4 of=/dev/sdc1)

Your disk is ready now…. But at the ARM busybox Linux it was setted boot SD from 4 paritioned disk. So u must change it for  1 partition.

-          At busybox open the linuxrc-sdboot file (#vi linuxrc-sdboot ) and change the line as following…

mount -oro /dev/nbd4 /mnt/root -> mount -oro /dev/nbd1 /mnt/root

 

I hope that it is useful for u.. good luck

 

Skuruz…

 

From: [ On Behalf Of Jon L
Sent: Wednesday, December 23, 2009 12:10 AM
To:
Subject: [ts-7000] making a new Debian Linux micro disk from an old one, with busybox linux.

 

 

Ok I have a TS-7500 and it has on its 2GB Micro SD card 4 partitions and a bootable Debian linux. The TS-7500 boots to Busybox Linux and from there I can umount the SD card and see its partitions:

# fdisk -l /dev/nbd0

Disk /dev/nbd0: 549.7 GB, 549755813888 bytes
1 heads, 62 sectors/track, 17318416 cylinders
Units = cylinders of 62 * 512 = 31744 bytes

Device Boot Start End Blocks Id System
/dev/nbd0p1 5 42282 1310592 c Win95 FAT32 (LBA)
/dev/nbd0p2 42282 42348 2048 da Unknown
/dev/nbd0p3 42348 42414 2048 da Unknown
/dev/nbd0p4 42414 59326 524288 83 Linux

so now I want to make a new Micro SD card with these same information with a slight twist; I only have a 1GB Micro SD card. No real problem as I don't really need the FAT partition so I can take away from that. So I install the 1GB Micro SD card on the thumbdrive and plug that into the USB port of the TS-7500, and make up the 4 partitions on the /dev/sda device:

# fdisk /dev/sda
.......
.......
.......

Command (m for help): p

Disk /dev/sda: 1015 MB, 1015808000 bytes
32 heads, 63 sectors/track, 984 cylinders
Units = cylinders of 2016 * 512 = 1032192 bytes

Device Boot Start End Blocks Id System
/dev/sda1 5 20 16128 c Win95 FAT32 (LBA)
/dev/sda2 21 23 3024 da Unknown
/dev/sda3 24 26 3024 da Unknown
/dev/sda4 27 560 538272 83 Linux
Command (m for help): w
The partition table has been altered!:

# fdisk -l /dev/sda

Disk /dev/sda: 1015 MB, 1015808000 bytes
32 heads, 63 sectors/track, 984 cylinders
Units = cylinders of 2016 * 512 = 1032192 bytes

Device Boot Start End Blocks Id System
/dev/sda1 5 20 16128 c Win95 FAT32 (LBA)
/dev/sda2 21 23 3024 da Unknown
/dev/sda3 24 26 3024 da Unknown
/dev/sda4 27 560 538272 83 Linux

Now for the question:

Using the busybox linux, how do I get the contents of the 2GB's 3 partitions to the 3 partitions of the 1GB card?

This is assuming that my partitions are acceptable, so if my partitions are not right please help me with them, I couldn't figure out how to make partitions 2 and 3 exactly 2048 like in the original 2GB micro SD card.

TIA,

Jleslie48

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