Hi,
Yes, currently restarting the farm will erase the connections persistency.
Note that, at layer 4 the persistence is done at TCP/UDP connection, not
at HTTP level if you're using this kind of farms for a web application. In
that case you've to use a HTTP persistence method.
Hope this helps.
On Thu, Feb 27, 2014 at 10:34 AM, tibz <[email protected]> wrote:
> Hi Laura,
>
> Thanks for the information.
>
> I was wondering because we are having issues with a web application since
> we switched to a L4 farm. It "seems" some users are switched to the other
> backend before the end of the persistence, and therefore they loose their
> session and get disconnected from the application. We are waiting for the
> provider to help troubleshooting these errors, but so far when we run with
> only one backend, we see far less disconnection error (though there are
> still a few).
>
> A last question, I've found that the recent information are stored under
> /proc/net/xt_recent/ but I wonder if the files (and therefore the
> persistence) is cleared when the farm is restarted, or does it stay? In
> another way: can I restart a L4 farm without loosing the persistence?
>
> Thanks
>
>
> On 25/02/2014 20:49, Laura Garcia wrote:
>
> Hi, yes the L4 farm should behave like the TCP farm in that subject.
>
> By other hand, you're absolutely right regarding the TTL field and the
> farm is not reloaded automatically. This is a bug and will be fixed in the
> next release. Good catch!
>
> Thank you.
>
>
> On Fri, Feb 21, 2014 at 11:44 AM, tibz <[email protected]> wrote:
>
>> Hello,
>>
>> Can someone please confirm that it works as in TCP Farm with PEN, so
>> it's the inactivity timeout and not the max session length ? (ie: 3600s
>> means 1h with no traffic before we remove the persitence)
>>
>> Also a little feature enhancement, when a L4 farm is started and you
>> change the persistence time, it says "The sessions TTL for ZLB-ULG farm
>> has been modified." but it's NOT applied, it's just written in the
>> config file.
>> It would be worth mentionning next to this message that a restart of the
>> farm is needed...
>>
>> Thanks
>> tibz
>>
>>
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