[rescue] Small servers (was Re: WTT: 1.5G of PC2700 for 1G of PC100)

Ethan O'Toole ethan at 757tech.net
Mon May 5 15:15:04 CDT 2008

> That's just a video->serial conversion.
> I mean a BIOS designed to talk to serial devices, not a video converter.

The console redirection is actually a function where it sees the 
characters being written to the video BIOS and pushes them out of a serial 

It is not a screen scrape.

Anything that writes directly to the video card to speed up display will 
bypass PC serial consoles. 3ware RAID card setup screens do this. Linux 
kernel does as well, but you can obviously set it to the same serial port 
and it will redirect.

I don't mind the PC stuff really. I mean, once a server is setup and 
deployed you don't really have to deal with it that much. Even on Sun and 
SGI boxes you don't really mess with the boot prom stuff once it's up and 

IPMI 2.0 can do video console redirection over ethernet for around $100 a 
box (on those that support it). Compaq has their own stuff with ILOM. And 
you can do remote power shutdowns via command line with IPMI. Both 
controlled and pysical power off. And you can bring them back on via IPMI 
as well. It's like LOM via ethernet.

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