[GLLUG] Trickle logs to a DVD-R disk?

Richard Houser rick at divinesymphony.net
Fri Aug 24 18:03:45 EDT 2007


As others have said, DVD media is not an appropriate choice for this 
task.  Basically, you are talking about using a session oriented 
physical media and trying to turn it into a character or read-only block 
device.  In theory, you should be able to do this with a DVD-RAM device, 
but that would still allow writes and you would need to protect it with 
software somehow, which really leaves you back to a separate OS running 
that access.  Perhaps you could use Xen to run a logging host against 
something like DVD-RAM.

My low-tech, quick and dirty approach for a single machine would be to 
just use a write-only media (from the PC's perspective).  Although 
noisy, you can't top a dot-matrix printer with a fresh ribbon and a case 
of that continuous paper.  It's good for REALLY important servers with 
low data access volumes as well.

My personal preference would be to take something like a Linksys 
WRT54G(L), install a 2GB SD card in it, and use that for the remote 
syslog server.  Cheep device, low power, and most of us need some form 
of a border router anyhow.  Plus, when you eventually add more devices, 
you have a real logging system in place.

Lachniet, Mark wrote:
> Anyone know of a good way to set up a Linux box so that you can copy 
> your logs in real-time (or near to it) to a DVD-R that is inserted in 
> the box?  I'd like to have a more permanent form of logging so that if 
> the HD dies or gets hacked, there is a backup that went to the DVD 
> burner in a more permanent form.
>  
> Thanks,
>  
> Mark Lachniet
> Solutions Architect - Security
> 3101 Technology Blvd. Suite A
> Lansing, MI 48910
> (517) 336-1004 (voice)
> mailto:mlachniet at analysts.com
>  
> 
> 
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