[gentoo-user] question about files as disks

2005-07-28 Thread Eric S. Johansson
I'm helping some people using gentoo and one of the tasks is the 
production of flash memory updates for the firewall.  The script for 
producing flash images contains calculations determining sector offsets 
so that the disk image can be treated as a partitioned disk.


Is there anyway to treat a file as if it were a physical disk from the 
partitioning through mounting of each individual partition and its 
unmounting?  I can keep doing it the clumsy error-prone way if I need to 
him but I was just trying to find out if there was an option that 
reduced the opportunity for mistakes.


---eric
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Re: [gentoo-user] question about files as disks

2005-07-28 Thread Richard Fish

Eric S. Johansson wrote:

I'm helping some people using gentoo and one of the tasks is the 
production of flash memory updates for the firewall.  The script for 
producing flash images contains calculations determining sector 
offsets so that the disk image can be treated as a partitioned disk.


Is there anyway to treat a file as if it were a physical disk from the 
partitioning through mounting of each individual partition and its 
unmounting?  I can keep doing it the clumsy error-prone way if I need 
to him but I was just trying to find out if there was an option that 
reduced the opportunity for mistakes.




Maybe user-mode linux or vmware could be useful for this...

-Richard


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Re: [gentoo-user] question about files as disks

2005-07-28 Thread Eric S. Johansson

Richard Fish wrote:


Maybe user-mode linux or vmware could be useful for this...



I'm using qemu to run the firewall which in turn creates a self flash 
memory image of itself.  Maybe you are right though I should look into 
the virtual machine as the framework from which I generate the flash 
image.


I will say though it's all a royal pain in the butt.

;-)

---eric
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