On Mon, 12 Nov 2007 16:01:21 +0000, Pavel Pokorny wrote:

>
> Dear Linux friends
>
> system clock in Red Hat Enterprise Linux 5
> on my hp xw 9300 w/ Opteron runs approx 3x faster.
> In RHEL 3, RHEL 4 and Knoppix the clock runs O.K.
> Can I fix the problem or only RedHat can do this?

Run ntpd and that should keep your clock in sync.

> Also, what are the advantages of RHEL over fedora?
> Is it worth paying RHEL support if they do not
> accept a question like this one?

It would depend on what you were using your system for. In a production
env I would not run Fedora. Fedora is the testbed for RH meaning
there could be bug/problems that you just would not want on a production
machine.

If you like RH and what RHEL5 without the Tax then take a look at CentOS.

http://www.centos.org

This is RH srpms recompiled.


--

Regards
Robert

Smile... it increases your face value!


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On Mon, 12 Nov 2007, in the Usenet newsgroup comp.os.linux.setup, in article
, Robert wrote:

>Pavel Pokorny wrote:

>> system clock in Red Hat Enterprise Linux 5
>> on my hp xw 9300 w/ Opteron runs approx 3x faster.

>Run ntpd and that should keep your clock in sync.

You may want to read the documentation for NTP - you'll find it is to
correct minor drifts of 0.001 percent or less. A 300 percent error is
beyond the capability, and is usually caused by an APIC configuration
error. The normal solution is to boot the kernel with a 'noapic' boot
parameter.

Old guy

Pavel Pokorny writes:


> Dear Linux friends

>system clock in Red Hat Enterprise Linux 5
>on my hp xw 9300 w/ Opteron runs approx 3x faster.
>In RHEL 3, RHEL 4 and Knoppix the clock runs O.K.
>Can I fix the problem or only RedHat can do this?

>In /sys/devices/system/clocksource/clocksource0
>both available_clocksource and current_clocksource
>contain jiffies only.

>Also, what are the advantages of RHEL over fedora?
>Is it worth paying RHEL support if they do not
>accept a question like this one?

Have you actually asked them? It sounds to me like it is aquestion they
SHOULD answer under support.

Robert writes:

>On Mon, 12 Nov 2007 16:01:21 +0000, Pavel Pokorny wrote:

>>
>> Dear Linux friends
>>
>> system clock in Red Hat Enterprise Linux 5
>> on my hp xw 9300 w/ Opteron runs approx 3x faster.
>> In RHEL 3, RHEL 4 and Knoppix the clock runs O.K.
>> Can I fix the problem or only RedHat can do this?

>Run ntpd and that should keep your clock in sync.

This is complete nonesense. ntpd can keep a clock that is fast or slow by a
few parts per million in line, but it CANNOT keep a clock that is 3x too
fast in line.



>> Also, what are the advantages of RHEL over fedora?
>> Is it worth paying RHEL support if they do not
>> accept a question like this one?

>It would depend on what you were using your system for. In a production
>env I would not run Fedora. Fedora is the testbed for RH meaning
>there could be bug/problems that you just would not want on a production
>machine.

>If you like RH and what RHEL5 without the Tax then take a look at CentOS.

It is not a tax it is a support contract.
The probability of fixing bugs in Fedora is I think actually higher than in
RHEL. The former publishes the bugs publically. AFAIK, redhat delivers RHEL
bug reports only to people who have a support contract, and that does not
include the people who run Centos.



>http://www.centos.org

>This is RH srpms recompiled.

The question is how well they keep up with the bug reports.
I have not found a repository for the security update rpms. Maybe I have
just not looked in the right place.