How often should I reboot Solaris and LynxOS

Lon Stowell <lon.stowell@comcast.net> writes:

> The only issue I can recall is that after "N" days of operation
> the file modification dates would go bogus. Unfortunately
> can't remember what "N" was ?240 days? or if this was a
> SunOS 4.x feature or only on a machine based on SunOS 4.x

Sure this wasn't the "248 days, I hang" bug in Solaris 2.x?

The comments in the bug report were something like "customer may
lose satellite if this happens again".

Casper
--
Expressed in this posting are my opinions. They are in no way related
to opinions held by my employer, Sun Microsystems.
Statements on Sun products included here are not gospel and may
be fiction rather than truth.

I R A Darth Aggie wrote:
> On 25 Jul 2003 12:49:10 GMT,
> Casper H.S. Dik <Casper.Dik@Sun.COM>, in
> <3f212746$0$49103$e4fe514c@news.xs4all.nl> wrote:

> +>
> +> The comments in the bug report were something like "customer may
> +> lose satellite if this happens again".
>
> Oh, great, so NASA already has an excuse if they lose one (or more) of
> the recently launched Mars probes??

Nah. It was a company who run telecommunications satellites. For some
reason they get a bit annoyed if they lose their geostationary
satellites every 248 days.

That got fixed back in Solaris 2., I think, 6, and patched back as far
as about 2.3.

--
Tony

On Fri, 25 Jul 2003 15:36:48 +0100,
Tony Walton <tony.walton@s-u-n.com>, in
<3F214080.5020909@s-u-n.com> wrote:
+> I R A Darth Aggie wrote:
+> > On 25 Jul 2003 12:49:10 GMT,
+> > Casper H.S. Dik <Casper.Dik@Sun.COM>, in
+> > <3f212746$0$49103$e4fe514c@news.xs4all.nl> wrote:
+>
+> > +>
+> > +> The comments in the bug report were something like "customer may
+> > +> lose satellite if this happens again".
+> >
+> > Oh, great, so NASA already has an excuse if they lose one (or more) of
+> > the recently launched Mars probes??
+>
+> Nah. It was a company who run telecommunications satellites. For some
+> reason they get a bit annoyed if they lose their geostationary
+> satellites every 248 days.

1. Yeah, I imagine they would get a little peeved if a multi-million
dollar platform went missing...

2. How do you lose a geostationary satellite? by definition, you know
exactly where it is, all the time...unless the computer in question
would send out orbital correction commands to the satellite(s)!!

James
--
Consulting Minister for Consultants, DNRC
I can please only one person per day. Today is not your day. Tomorrow
isn't looking good, either.
I am BOFH. Resistance is futile. Your network will be assimilated.

"EKL" <En-Kuang_Lung@raytheon.com> wrote in message news:<QMSTa.3816$c6.3317@bos-service2.ext.raytheon.com>...
> Hi,
>
> Would someone please give me some pointers on a trend analysis on resource
> leaks for Solaris 9 and LynxOS (or in general on UNIX machines). Basically,
> I need statistics to determine how often I need to restart these machines to
> avoid unplanned failures. Thanks.
>
> ekl

In general, operating systems do not leak resources. That goes for
UNIX (all brands, including Solaris) and other OSs (VMS, Primos,
Multics etc). For maximum reliability just leave the machine switched
on! Perhaps you have been using Microsoft-Windows?

-apm

I R A Darth Aggie wrote:

> 2. How do you lose a geostationary satellite? by definition, you know
> exactly where it is, all the time...unless the computer in question
> would send out orbital correction commands to the satellite(s)!!


That was pretty much the case, IIRC.

--
Tony