[SunHELP] Keyboard wackiness?
sunhelp at sunhelp.org
Thu Aug 9 16:43:58 CDT 2001
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One thing that hasn't been mentioned - but you can simply plug the keyboard
back in, type go and your machine will be back at the same state as when you
unplugged it, ie running as usual (albeit with a big gap in any logs). This
is kinda useful if you have a server running - you pull out the kb expecting
it to stay running and it goes to the OBP, you can simply plug the kb back
in, type go and most users will not notice anything but a short outage.
From: Hichael Morton <mh1272 at yahoo.com>
To: sunhelp at sunhelp.org <sunhelp at sunhelp.org>; Ben Ricker
<bricker at wellinx.com>
Date: Friday, August 10, 2001 9:19 AM
Subject: Re: [SunHELP] Keyboard wackiness?
>Your E250 is designed to go to the ok prompt when the keyboard is
>unplugged. In certain situations that I have encountered, it is a good
>When your E250 is at the ok prompt, it has finished its POST (Power On
>Self Test) and is waiting for instructions for maintenance or booting.
>Open Boot Prompt (OBP) is another name for this state. Single User mode
>is reached after the E250 boots.
>docs.sun.com should have online/downloadable manuals on the OBP/ok
>prompt and Sun spends time in the hardware and sysadmin class on how to
>use the OBP. It really is a nifty tool and can be used to customize
>your E250 by creating aliases and the hardware level.
>Hope this helps!
>Ben Ricker wrote:
>> I had a weird problem. We house a Sun E250 at a CoLo site. I have a Sun
>> keyboard plugged into it. I mistook the Sun keyboard for another
>> keyboard (which I used for Linux machines) and unplugged it. I thought
>> nothing of it and plugged the Sun keyboard back in.
>> Came back to my desk and the Sun was dead; no pings, nothing. Went back
>> to CoLo and the terminal showed the 'Ok' prompt (single-user mode?).
>> What the heck happened there?
>> Ben Ricker
>> System Administrator
>> SunHELP maillist - SunHELP at sunhelp.org
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>Get your free @yahoo.com address at http://mail.yahoo.com
>SunHELP maillist - SunHELP at sunhelp.org
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