David, As you said you can obtain the entire source code on the system. At
this moment there is no a source repository as svn, git or similar, we are
in our TODO list. You can change, modify, add, the code and send us the
patch (through the list or our personal if you prefer).
We accept public patches, is more, we would very happy if we receive
patches or additions of the community.
Now you know ;) feel free for send us your own, we would check, test and if
all is workinf find it could be added in the new releases
Regards!
2012/3/23 David Martin (IT) <[email protected]>
> Thanks Emilio,****
>
> ** **
>
> Out of interest, do you host a publicly available code repository? I know
> I can hack on the existing installation but was curious to know if you
> accepted external patches and if you had a formal process for doing so?***
> *
>
> ** **
>
> Regards****
>
> ** **
>
> David****
>
> ** **
>
> *From:* Emilio Campos [mailto:[email protected]]
> *Sent:* 23 March 2012 08:39
> *To:* [email protected]
> *Subject:* Re: [Zenloadbalancer-support] Auto Failback****
>
> ** **
>
> Hi David.
>
> Read down my lines
>
> Regards!****
>
> 2012/3/22 David Martin (IT) <[email protected]>****
>
> Hi all,****
>
> ****
>
> It’s been a while since I’ve had time to work on configuring Zen for our
> RDP App server farms but I’m back on it now and could do with some advice
> on the latest version. I have upgraded to v2rc3.1 on my test cluster
> (running on VMware vSphere 5) and have a few bug reports/feature requests.
> My apologies in advance if these have been addressed elsewhere but I
> couldn’t see them after a quick read through the archive.****
>
> ****
>
> Firstly, I ran into a bug when configuring my first farm. I accidentally
> used a underscore character in the farm name, which resulted in a farm that
> saved ok but I could not edit nor delete. I assume this is because the
> underscore(_) is used in the config file name as a separator
> (RDP_Farm1_pen.cfg for example) and the filename parser looks for the first
> underscore but not the last. It would be useful if you could prevent
> invalid farm (and cluster node) names from being saved in the first place.
> In the end, I shut down zen and renamed the file, all fixed now.****
>
>
> This problem will be solved in new releases. Thanks
> ****
>
> ****
>
> The second problem is a bit more serious for us. Laura did a load of work
> for me implementing GARP on node failure behaviour. This means that the
> backup node will automatically correct the router’s ARP cache when it takes
> over a farm. This doesn’t appear to work when using the force failover and
> maintenance mode buttons and the bad ARP entry stays making it difficult to
> failback (you need to flush the router ARP cache manually). Is this
> something that is easy to address?****
>
>
> You are right, we are going to add the GARP call in the force failover and
> maintenance mode functions. Will be solved ****
>
> ****
>
> Finally, are there any plans to (or does it already exist) some kind of
> stateful failover? Things like RDP connections are generally very
> long-lived compared with http, smtp or other “ephemeral” protocols. It
> would be great of the master node could notify the backup of the current
> connection state of each client and real server. A very simple (probably
> too simple) approach would be to copy the contents of the “persistence
> through memory” lookup, that you already have on the master, to the backup
> node every time it changes. This might not be necessary, or even desirable,
> with http and those other protocols (especially anything that is
> “connectionless” by design) but a massive help with connection-oriented
> protocols like RDP.****
>
>
> It is in our TODO list, but it is not going to be developed in the next
> months ****
>
> ****
>
> Phew, slightly longer than I’d intended, sorry! I really appreciate all
> the hard work that has gone into Zen and with a bit of luck it will be at
> the core of our RDP strategy going forward. We have decided NOT to buy
> additional F5s based on the progress of Zen so far and I really hope this
> is a position we can maintain.****
>
>
> It is great to read this, we continue to developing to create a better
> product.
> The comments of zlb list are welcomed always.
> ****
>
> ****
>
> Regards****
>
> ****
>
> David****
>
> Johnston Press plc Registered in Scotland no. SC015382****
>
> Registered Office:108 Holyrood Road, Edinburgh, EH8 8AS****
>
> ** **
>
> Opinions expressed in this email are those of the writer and not the company.
> ****
>
> E-mail traffic is monitored within Johnston Press and messages may be
> viewed.****
>
> This e-mail and any files with it are solely for the use of the
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>
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>
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>
>
>
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> Distribution list (subscribe):
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> Johnston Press plc Registered in Scotland no. SC015382
> Registered Office:108 Holyrood Road, Edinburgh, EH8 8AS
>
> Opinions expressed in this email are those of the writer and not the company.
> E-mail traffic is monitored within Johnston Press and messages may be viewed.
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