Hi all,

I'm using OpenBSD in a firewall which runs 3.6 and I want to upgrade it from 
3.6 to 3.7.

I have two different machines, one running 3.6 and the another one running 
3.7. But I want to do an automatic upgrade from one running 3.6 to 3.7. I 
have an image of the 3.7 firewall and I want to backup the 3.6 one and 
install the 3.7.

If I make the backup with 'dd if=/dev/wd0c of=/image bs=512' the image is a 
file of about 2 GB because the hard disk is of 40 GB. But with a 'du -sh /' I 
can see that all files are only 221 MB.

How could I do it to achieve a smaller image? The last option is using 'tar' 
but I prefer to have an image. Is it possible?

Thanks!!
-- 
Abel Talaversn Estevez
Ingeniero Superior de Telecomunicaciones
Analista de Proyectos

OpenWired
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Fax. 93 419 4591

Openwired
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