Hi Hatem,

With how many concurrent connections the problem is produced?
Could you send me the /var/log/syslog and /var/log/messages files
compressed and the timestamp when the problem is produced?


Regards,
Laura.


On Tue, Dec 6, 2011 at 11:12 PM, Hatem Nassrat <[email protected]> wrote:

> I have the same issue with large loads. The farm goes down nearly once a
> day, even after making the fix mentioned. I am running v1 stable and also
> use eth0:X virtual interfaces.
>
> On Tue, Dec 6, 2011 at 5:54 PM, Steve LePage <[email protected]> wrote:
>
>> I think I may have found my cluster issue in regards to the failover not
>> working correctly. The throughput issue seems fine now with the additions
>> and running on a single LB for the last week and a half has proven that the
>> system works correctly.****
>>
>> ** **
>>
>> What I noticed today is that some of my farms virtual adaptors got
>> created as vlan adaptors (eth#.# instead of eth#:#) and if / when the
>> cluster failed over not all ip’s failed over and I believe this may be the
>> reason?****
>>
>> ** **
>>
>> There is no need for these adaptors to be vlan they would be fine set as
>> virtual, I was wondering the best method to change them to virtual with the
>> least downtime possible as this is on a live system.****
>>
>> ** **
>>
>> I’m assuming that it’s probably rename the if_eth#.#_conf files to
>> if_eth#:#_conf and edit the file so the definition in the file uses : not .
>> and restart the zendloadbalancer service?****
>>
>> ** **
>>
>> *From:* Steve LePage [mailto:[email protected]]
>> *Sent:* Friday, November 18, 2011 1:03 PM
>> *To:* [email protected]
>> *Subject:* Re: [Zenloadbalancer-support] Server farm stops on its own..**
>> **
>>
>> ** **
>>
>> Perfect I’ll try that and let you know how it works out..****
>>
>> ** **
>>
>> ** **
>>
>> *From:* laura Garcia [mailto:[email protected]]
>> *Sent:* Friday, November 18, 2011 12:40 PM
>> *To:* [email protected]
>> *Subject:* Re: [Zenloadbalancer-support] Server farm stops on its own..**
>> **
>>
>> ** **
>>
>> Hi Steve,
>>
>> We've wrote a TIP in our facebook page to increase the throughput of
>> ZenLB,
>> try this:
>>
>> root ~# echo 100000 > /proc/sys/net/ipv4/tcp_max_tw_buckets
>> root ~# echo 5 > /proc/sys/net/ipv4/tcp_fin_timeout
>>
>>
>> Regards,
>> Laura.****
>>
>> On Fri, Nov 18, 2011 at 8:13 PM, Steve LePage <[email protected]> wrote:
>> ****
>>
>> We have the current release setup in a 2 machine cluster that runs an
>> http / https farms. We have setup our own farmguardian script and have had
>> the farm running for a long time with no problems in the test environment.
>> We recently went live and have noticed that the https farm averages around
>> 500 Connections which is fine and working however every once and a while
>> the https farm just stops on its own without warning and we have to restart
>> it. This has just started happening since we started to load it up. I have
>> set the https farm to a max connection limit of 30000 so this 500
>> connections shouldn’t be causing the issue however the farm is dying for no
>> reason and it’s becoming concerning..  Any Ideas?****
>>
>>
>>
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>>
>>
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