HP3000-L Archives

August 2000, Week 1

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Jean Huot <[log in to unmask]>
Reply To:
Jean Huot <[log in to unmask]>
Date:
Mon, 7 Aug 2000 13:59:44 -0500
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Hi Steve does that imply that there exists  no longer a warmstart where if
there is a power failure, the system continues where it left off?

Jean

----- Original Message -----
From: "Steve Cooper" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, August 07, 2000 12:19 PM
Subject: Re: [HP3000-L] Could it be that TC command does not work if you
have a power failure?


> My understanding is that a RS (reset) starts by zeroing memory, then
> continues with the restart.  A TC (Transfer control) merely skips the
> zeroing part.  So if the RS takes 45 minutes, the TC should take 45
> minutes minus a fraction of a second.
>
> If you are performing a dump, then RS will zero out everything in memory
> making the dump useless.  Use a TC in that case.
>
> If you are rebooting the system, use a RS to zero out memory, just in
> case something in the OS is assuming that memory is initially zeroed.
>
> Steve
>
> On Mon, 7 Aug 2000 09:09:05 -0500 (Central Daylight Time), Jean Huot
> <[log in to unmask]> wrote:
>
> >I had a 957 cpu powered off accidently when for some reason it happened
what I put the power plug on to a DDS1 drive.
> >
> >It usually takes 45 minutes to reboot the system when it does a memory
self-check.
> >
> >So to save time I tried TC (which I recall does not do a memory
self-check), however the system did not come back on, so I opted for RS.
Could it be that TC (warmstart) is only good when there is no power failure?
> >
> >
> >Jean Huot
> >Northern Credit Bureaus Inc.
> >
>

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