Max concurrent service checks

[Gian Paolo Buono]

Hi,
I don't have any nfs mount on this server, and can not find the problem..
I think that the problem is the raid controller...

[root at server /usr/local/etc/nagios]# dmesg | grep -i raid
aac0: <IBM ServeRAID-8k> port 0x5000-0x50ff mem
0xc9e00000-0xc9ffffff,0xc7fe0000-0xc7ffffff irq 17 at device 0.0 on pci4
aac0: ServeRAID 8k-l  , aac driver 2.0.0-1
aacd0: <RAID 1 (Mirror)> on aac0

but i dont have any log on this ..any suggest ?


On Thu, Mar 26, 2009 at 10:57 AM, Andreas Ericsson <ae at op5.se> wrote:

> Gian Paolo Buono wrote:
>
>> Hi,
>>
>> I set this limit because my server go in hang ...and I don'have any error
>> log in /var/log/messages ...
>> I have think that my server there are too many processes ...
>> I have set max_concurrent_checks=0 and my server go in hanq more often...
>>
>> My server is a FreeBSD 7.1-RELEASE-p2 with 950 host and 4900 service,
>> Nagios
>> 3.0.3
>>
>> Anothre problem is that  sometimes nagios don't update the status and when
>> i
>> try to stop nagios don't dies, i try to kill -9 the process but don't dies
>> so I have to reboot the server.
>>
>> Any idea ? thank you for the support bye..
>>
>>
> The only way I'm aware of that a process can become unkillable is when it's
> in uninterruptable IO (ie, the kernel is waiting for response from a piece
> of hardware in such a way that everything else is more or less locked
> down).
>
> Are you using network-mounted drives to store any of Nagios' output files?
> If so, stop doing that immediately. Network filesystems perform extremely
> poorly with files that are being frequently updated.
>
> Apart from that, it seems as if your system isn't quite up to scratch for
> handling the workload you want to put on it.
>
> --
> Andreas Ericsson                   andreas.ericsson at op5.se
> OP5 AB                             www.op5.se
> Tel: +46 8-230225                  Fax: +46 8-230231
>
> Considering the successes of the wars on alcohol, poverty, drugs and
> terror, I think we should give some serious thought to declaring war
> on peace.
>
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