[Linux-HA] non-IP Heartbeat over USB?

[Helmut Wollmersdorfer]

hm at seneca.muc.de wrote:
> Helmut Wollmersdorfer <helmut.wollmersdorfer at gmx.at> wrote:

>>helmut at xp2400:~$ lsusb
>>Bus 004 Device 001: ID 0000:0000
>>Bus 003 Device 003: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial 

> Now this is interesting. I have a couple of those but I couldn't get them
> to become a null modem by a commercial cable or my DIY flat ribbon one.

Luckily I have some in spare to try out with a serial crossover between 
them:
helmut at xp2400:~$ cat </dev/ttyUSB0
hello

via2:~# echo hello >/dev/ttyUSB0

All I did is plug them in on Debian/Sarge Kernel 2.6.8.

Helmut Wollmersdorfer