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Re: [hobbit] Rrd not updating
- To: hobbit (at) hswn.dk
- Subject: Re: [hobbit] Rrd not updating
- From: Henrik Stoerner <henrik (at) hswn.dk>
- Date: Tue, 25 Mar 2008 14:54:43 +0100
- References: <20080114211748.GD4153 (at) hswn.dk> <BAC1D28A5AB852439A6914CA7AB4E63F05409057 (at) permls05.wde.woodside.com.au> <20080115103417.GA2840 (at) cgoyard1.exp75.cvf> <20080325131242.GB5529 (at) cgoyard1.exp75.cvf>
- User-agent: Mutt/1.5.15+20070412 (2007-04-11)
On Tue, Mar 25, 2008 at 02:12:42PM +0100, Charles Goyard wrote:
>
> On our setup, the problem comes from a counter overflow in uptime
> handling on some SCO : after 248 days of uptime, the uptime is reported
> negative, and the rrd handler misses the expression (no "up:").
Ahh - the old 31-bit timer tick issue. Linux has the same problem
because a timer ticks at 100 Hz using a signed 32-bit integer; so
2^31 / (24*60*60*100) = 248 days and a bit.
> Reboot of the system solves the problem :).
Add
UP 1h 240d
to hobbit-clients.cfg to get a reminder 8 days before it happens.
Regards,
Henrik
>
> Regards,
>
>
> --
> Charles Goyard - charles.goyard (at) orange-ftgroup.com - (+33) 1 45 38 01 31
> Orange Business Services - online multimedia // ingénierie
>
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--
Henrik Storner