[lvs-users] Real Server not removed from pool

Roger Littin roger at rlmedia.co.nz
Mon Nov 28 22:12:26 GMT 2011


Hi Andre,

Nanny & Pulse are all part of the Piranha package.

It looks like nanny is not doing it's job correctly.

Roger.

On 29/11/2011, at 12:57 AM, Andre Magri wrote:

> Hi Roger,
> I used Piranha for the initial configuration but didn't use it much after
> that.
> 
> I'll file a bug report.
> 
> Thank you,
> Andre
> 
> 
> On 27 November 2011 22:54, Roger Littin <roger at rlmedia.co.nz> wrote:
> 
>> Hi Andre,
>> 
>> It sounds like you are using Piranha to manage LVS.
>> 
>> I have seen exactly the same issue when using Piranha on Centos 6 and did
>> not manage to find a workaround for it.
>> 
>> It might be worth filing a bug report at http://www.centos.org/
>> 
>> Roger.
>> 
>> On 26/11/2011, at 7:28 PM, Andre Magri wrote:
>> 
>>> Hi,
>>> I am using DR and using an external program to check whether a server is
>>> alive or not:
>>> 
>>>    send_program = "/root/chknanny.sh %h"
>>>    expect = "SERVER_OK"
>>>    load_monitor = none
>>>    scheduler = wlc
>>>    protocol = tcp
>>>    timeout = 10
>>>    reentry = 10
>>> 
>>> This is the chknanny.sh script:
>>> lynx -dump "http://$1/TestServer.ashx"
>>> 
>>> Which should return SERVER_OK . If it does not or it times out the server
>>> should be removed from the pool.
>>> 
>>> I'm having a situation where lynx does not return SERVER_OK but the
>> timeout
>>> value of 10 seems to have no effect.  The server still remains in the
>>> server pool which is stranges cause messages log file report this:
>>> Nov 26 01:34:13 dell-LB1 nanny[2753]: Ran the external sending program
>> to (
>>> 10.0.1.108:80) but didn't get anything back
>>> 
>>> Any ideas?
>>> 
>>> Many thanks!
>>> Andre
>>> _______________________________________________
>>> Please read the documentation before posting - it's available at:
>>> http://www.linuxvirtualserver.org/
>>> 
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>> 
>> _______________________________________________
>> Please read the documentation before posting - it's available at:
>> http://www.linuxvirtualserver.org/
>> 
>> LinuxVirtualServer.org mailing list - lvs-users at LinuxVirtualServer.org
>> Send requests to lvs-users-request at LinuxVirtualServer.org
>> or go to http://lists.graemef.net/mailman/listinfo/lvs-users
>> 
> _______________________________________________
> Please read the documentation before posting - it's available at:
> http://www.linuxvirtualserver.org/
> 
> LinuxVirtualServer.org mailing list - lvs-users at LinuxVirtualServer.org
> Send requests to lvs-users-request at LinuxVirtualServer.org
> or go to http://lists.graemef.net/mailman/listinfo/lvs-users





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