Re: SunFire Server Hangs

From: Andrew Kerber <andrew.kerber_at_gmail.com>
Date: Sat, 7 Mar 2015 10:13:32 -0600
Message-Id: <5417B1D0-C457-4758-AAC9-6B7F18E7DCCC_at_gmail.com>

Yes. I have definitely seen issues like this with time synch in a cluster. I haven't seen it in a non-clustered environment though.

Sent from my iPad

> On Mar 7, 2015, at 8:09 AM, Matt <mvshelton_at_chartermi.net> wrote:
>
> Are they clustered? What software is running on them?
>
> Matt
>
> From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Hans Forbrich
> Sent: Friday, March 6, 2015 9:15 PM
> To: oracle-l_at_freelists.org
> Subject: Re: SunFire Server Hangs
>
> No idea if it could be related, but I have now a habit of investigating the inter-machine time sync mechanisms (usually NTP) fairly early in 'mysterious freeze' situations.
>
> Found that to be a problem in a few situations, and in one case the two NTP servers I used were themselves out of sync, exasperating the symptoms.
>
> /Hans
>
> On 06/03/2015 5:31 PM, MacGregor, Ian A. wrote:
> Over the past 26 months or so we have three SunFire x86 servers hang, two, quite recently, within a few weeks of each other. The servers show no signs of high activity before the freeze None of the monitoring scripts we run indicate any problem at all before the freeze. When it happens the machine is hangs, it does ping, and can be reset through the sp.
> Looking at the boot events. There is a system downtime which matches when the freeze occurs,
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2014.0.4800 / Virus Database: 4257/9140 - Release Date: 02/18/15
> Internal Virus Database is out of date.

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Received on Sat Mar 07 2015 - 17:13:32 CET