Re: remote access KVM switch
From: Douglas O'Neal (doneal24_at_comcast.net)
Date: 08/22/03
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Date: Fri, 22 Aug 2003 11:41:16 -0400
Rich Teer wrote:
-> On Tue, 19 Aug 2003, jd wrote:
->
-> Please don't top post.
->
->
->>Yes, you're correct. Apparently I'm just thinking in KVM mode because
I have
->>seen so many Lightwave KVM switches around in server rooms. The serial
->>console server is essentially a terminal server in reverse, yes? I
assume it
->>would have connections to the tty port on the Sun machines and I would
->>telnet to the serial console server from wherever I might be and somehow
->>pick the port going to the Sun machine I want to access.
->
->
-> Yes, that's correct. Some console servers even allow ssh access.
->
-> Here, I use an el-cheapo Livingston Portmaster 2E. Not
-> very sophisticated, but it has 30 serial ports, telnet
-> access, and does the job.
I've had good experiences with a Rocketport multiport serial card
installed in a Linux system. Up to 32 RJ45 or DB25 serial ports on a
card and few problems connecting to Sun, SGI, or third party RAID
console ports. I had a couple of ports set up to perl scripts that
monitored serial port outputs (on the raid boxes). I could sit a the
the linux console and work or SSH in to the linux server securely and
then connect to the console. The only problem I had was one sun system
was a Sun Enterprise 1 and if the linux system crashed then the console
sent a break to the SE1 and the system halted. This can be worked
around but I never got the time to do it properly.
Doug
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