Re: [ts-7000] Re: Trouble cloning SD card

[Drew DeKoning <>]

I also switched to a 4 gig card on my ts-7552 last weekend using the exact procedure outlined here.

Worked like a champ. Thanks for posting this.

http://mybrainrunslinux.com

On Wed, Feb 10, 2010 at 4:17 PM, ka7ftp <> wrote:

 

Hi,

I tried building the new car by only dd'ing down the file system I dd'd off the original working SD, leaving it at 512M. I also tried running ext2resize expand the card to the full 2 gig. I retained the original starting cylinder at 20. Both give the same results.

Shouldn't dd lay down a workable file system? After I dd on to the new card I can mount it on a running linux box and traverse the file system. Everything looks good, non corrupted.

The first partitions are non-FS where the kernel and the ram drive are stored. Is there a way to verify those?

I can try dd'ing one of the images from the web site.

len

--- In ts-7000%40yahoogroups.com, "tractormannmwt" <> wrote:
>
> Len,
>
> I am using the 7800 card and have successfully "stretched" the 7800 512 MByte image the Technologic onto a 4 GByte SD card. Here are the steps I took:
>
> 1) dd if=/home/ts7800/512-meg-image.dd of=/dev/mmblk0
> - the 512-meg-image.dd is from the Technologic guys
> - the /dev/mmblk0 is the SD card device on my laptop
> 2) eject the SD card from my laptop
> 3) re-insert the SD card into my laptop (forcing a mount and cleaning up the partitions)
> 4) Use GParted to stretch the 500 Meg partition to consume the rest of the SD Card.
> 5) eject the SD card from my laptop
> 6) re-insert the SD card into my laptop and alter any files needed.
>
> I'm guessing there are easier ways. However, I was a little disappointed that the partitions spelled out did not end on cylinder boundaries, which makes it much harder to use fdisk...
>
> --- In ts-7000%40yahoogroups.com, "ka7ftp" <ka7ftp@> wrote:
> >
> > Hi,
> >
> > I have a working TS-7400 using the Debian Linux from their 515 Meg SD card. I want to use a larger SD card, 2 gig.
> >
> > I took the original 512 meg card and dd'd it to a file:
> >
> > dd if=/dev/sdb of=SD-base.dd
> >
> > Then I dd'd it to the new SD card.
> >
> > dd if=SD-base.dd of=/dev/sdb
> >
> > Looking at the new card with fdisk it matches the original disk in layout:
> >
> > Disk /dev/sdb: 2032 MB, 2032664576 bytes
> > 16 heads, 32 sectors/track, 7754 cylinders Units = cylinders of 512 * 512 = 262144 bytes
> >
> > Device Boot Start End Blocks Id System
> > /dev/sdb1 1 6 1520 da Non-FS data
> > /dev/sdb2 7 10 1024 da Non-FS data
> > /dev/sdb3 20 953 239104 83 Linux
> >
> > Command (m for help):
> >
> > When I mount the file system on the linux box that I wrote the card with everything appears to be complete.
> >
> > When I try and boot from the TS-7400 it fails:
> >
> > >> TS-FLASHBOOT - built Sep 27 2006
> > >> Copyright (c) 2006, Technologic Systems
> > .
> > .
> > .
> > Finished booting in 1.59 seconds
> > Type 'tshelp' for help
> > $ exit
> > >> Booting Linux...
> > pivot_root: pivot_root: No such file or directory
> > /linuxrc: 43: bin/mount: not found
> > /linuxrc: 44: bin/mount: not found
> > /linuxrc: 45: cannot open ./dev/ttyAM0: No such file
> >
> > I searched for these messages and found this thread. I ran the update_9441, nothing appears to have changed. The flashboot header still shows the same build date, Sep 27 2006, not the Oct 6 date from the directions in the thread.
> >
> > http://tech.groups.yahoo.com/group/ts-7000/message/4852
> >
> > http://tech.groups.yahoo.com/group/ts-7000/message/4959
> >
> >
> > Can anyone point me to a fix for this?
> >
> > Thank you!
> >
> > len
> >
>

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