this is kind of late, being off the list for a while...
At 23:30 30.10.2003, Brock Nanson wrote:
Lynn,
I now use the dd command regularly. Once I have a working image, I dd it off the CF for safekeeping, in case I ever need to create another (RSA keys are a PITA to cut and paste etc.) should the first fail.
As far as using different size CF, I dd'd an 8MB image onto a 16MB card the other day (none of my 8MB cards could be recognized in this particular box). No issues that I saw. When I took my usual completed copy for backup, the new image was 16MB. Go figure! ;-)
So I don't think there are too many issues associated with this. I have yet to have a dd'd CF fail on me.
I'd like to hear more about how the earlier poster dealt with the read-only issue. I'd like to find a way to write protect the CF once the config is all done. I believe this was discussed a few times in the past, but I don't know if anything was ever resolved.
There are a few HW products which allow write protection, you can find them in the archives. One SW solution which IMHO is pretty attractive is to remove the IDE modules from the kernel and the /boot/modules directory at the end of the init process. This requires the installation of new modules before anything can be done to the IDE devices.
Erich
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