OMSA and 2.4.18 kernal loses time

JP Vossen vossenjp at netaxs.com
Tue Dec 3 13:56:00 CST 2002


On Tue, 3 Dec 2002, Dave Johnson wrote:

> Geoff,
>
> We too have seen drift, but we're not using OMSA.
> We also run 2.4.18-5 (and we have tried other
> kernels as well).

[snip]


> Original Message:
> -----------------------------------------------------------------------
> OMSA and 2.4.18 kernal loses time
> Geoff French Geoff.French at noaa.gov
> Sun Dec 1 10:55:01 2002
>
> The use of OMSA and 2.4.18 kernels causes my newest poweredge systems
> to lose timer ticks. They lose from 15 seconds to 1 hour a day.

[snip]


Hummm.  I've noticed my PE500SC get really skewy (pardon the pun) lately:

/var/log/messages:Dec  2 06:33:47 drake ntpd[16822]: time correction of 1012 seconds exceeds sanity limit (1000); set clock manually to the correct UTC time.
/var/log/messages.1:Nov 25 08:09:48 drake ntpd[19742]: time correction of 1868 seconds exceeds sanity limit (1000); set clock manually to the correct UTC time.
/var/log/messages.2:Nov 18 06:58:15 drake ntpd[5252]: time correction of 1262 seconds exceeds sanity limit (1000); set clock manually to the correct UTC time.

It's RedHat 8.0 with RedHat kernel 2.4.18-17.8.0.  I *do* run ntp in daemon
mode, but I did some stupid things in ntp.conf when I updated to the latest
version, so that may have something to do with it.

Also, this seems to happen on Monday morning, near the end of an IDE tape
backup job (OnStream DI-30) from my IDS RAID5 array (5-8 GIG backup)...

NTP Err			B/U End			Verify End
Dec  2 06:33:47		Dec  2 06:35:32		Dec  2 08:17:57
Nov 25 08:09:48		Nov 25 06:41:25		Nov 25 08:18:12
Nov 18 06:58:1		Nov 18 05:48:38		Nov 18 07:05:56


Darned if I have any idea what it means though.
JP
------------------------------|:::======|--------------------------------
JP Vossen, CISSP              |:::======|                jp at jpsdomain.org
My Account, My Opinions       |=========|       http://www.jpsdomain.org/
------------------------------|=========|--------------------------------
"The software said it requires Windows 98 or better, so I installed
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