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diff --git a/zarb-ml/mageia-sysadm/2012-April/004362.html b/zarb-ml/mageia-sysadm/2012-April/004362.html new file mode 100644 index 000000000..4a3b4e112 --- /dev/null +++ b/zarb-ml/mageia-sysadm/2012-April/004362.html @@ -0,0 +1,135 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-sysadm] questions about our infrastructure setup & costs + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-sysadm%40mageia.org?Subject=Re%3A%20%5BMageia-sysadm%5D%20questions%20about%20our%20infrastructure%20setup%20%26%20costs&In-Reply-To=%3CCANa9xwt%2BBLsj5hvL%2BvaF7%3DzZLZV_UgQ%3Dh6kHra0xWVGdMqnfuQ%40mail.gmail.com%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="004358.html"> + <LINK REL="Next" HREF="004368.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-sysadm] questions about our infrastructure setup & costs</H1> + <B>Romain d'Alverny</B> + <A HREF="mailto:mageia-sysadm%40mageia.org?Subject=Re%3A%20%5BMageia-sysadm%5D%20questions%20about%20our%20infrastructure%20setup%20%26%20costs&In-Reply-To=%3CCANa9xwt%2BBLsj5hvL%2BvaF7%3DzZLZV_UgQ%3Dh6kHra0xWVGdMqnfuQ%40mail.gmail.com%3E" + TITLE="[Mageia-sysadm] questions about our infrastructure setup & costs">rdalverny at gmail.com + </A><BR> + <I>Mon Apr 2 18:29:59 CEST 2012</I> + <P><UL> + <LI>Previous message: <A HREF="004358.html">[Mageia-sysadm] questions about our infrastructure setup & costs +</A></li> + <LI>Next message: <A HREF="004368.html">[Mageia-sysadm] questions about our infrastructure setup & costs +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#4362">[ date ]</a> + <a href="thread.html#4362">[ thread ]</a> + <a href="subject.html#4362">[ subject ]</a> + <a href="author.html#4362">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>On Mon, Apr 2, 2012 at 17:49, nicolas vigier <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-sysadm">boklm at mars-attacks.org</A>> wrote: +><i> Using paid hosting will not remove problems like bad RJ45 or switch +</I>><i> that stop working. If we want good availability, we need more servers +</I>><i> in different places. +</I> +In paid hosting, (physical) server and link failure is to be directly +handled by people that have a financial incentive to have it work. I +expect (but may be wrong) that the availability will be higher than +what we have today, and that it is still affordable for _some_ +services. It's not about going full speed to paid services or to spend +unnecessarily money, it's about using what we can (it includes money) +to improve our systems availability. + +The point is that: I don't know and I don't have the data to get an +idea about that; and I'm not even sure the data needed is compiled +somewhere at this time. And I suspect I'm not alone in this case. If I +don't ask, someone else will later. Or even worse than that, won't +dare to ask. + +That's why I'm asking for this for those two purposes: explaining more +how it works, understanding how it could work. + - functional split list => your skills/job + - needs per functional unit => same + - dependencies between units => same [1] + - cost per unit in different contexts => can be spread around + +And yes, it may be too expensive. Or it may not. But I suspect we +don't know, or it's not obvious enough. On the other hand, having one, +or several server downtime like this for 2/3 days also costs a lot to +the project (loss of time, and reputation shift). + +><i> I think it could help to have a few other servers in a different +</I>><i> datacenter, and duplicate services when it is easy to do (like ldap, +</I>><i> mirrors list, etc ...). In other cases like build system scheduler / +</I>><i> main mirror however, it's difficult to duplicate without conflicts +</I>><i> between the different servers, and cannot be done in a few minutes (or +</I>><i> hours), so I think we should migrate only in case of very long outage +</I>><i> (when we know that it will take more than a few days). Having a few +</I>><i> more servers available would help if we need to migrate some things in +</I>><i> case of big problem on one of the server. +</I> +Yes. + +>><i>   * would it be possible to have the systems hosting our services to +</I>>><i> have a prefix in their fqdn with the city/country they are located in? [...] +</I>>><i>   * what do you think about maintaining a separate blog [...] +</I>><i> We are already adding posts on official blog, and mails on mailling +</I>><i> list in case of problem, so what would be the use of an other separate +</I>><i> blog for this ? +</I> +Let's forget about these two. + +[1] take the attached .dot file; it's rough, very incomplete (missing +subsystems, roles), probably incorrect, but it gives an idea of what +are the nodes that need the maximum level of availability, and the +ones that should not bother from each other, and were some decoupling +could be made. You could even add a layer of who is using/responsible +for what, or of where the system are. This is far more telling than a +puppet configuration or a text file. +-------------- next part -------------- +A non-text attachment was scrubbed... +Name: mga_systems.dot +Type: application/octet-stream +Size: 467 bytes +Desc: not available +URL: </pipermail/mageia-sysadm/attachments/20120402/ebe1a596/attachment.obj> +</PRE> + + + + + + + + + + + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="004358.html">[Mageia-sysadm] questions about our infrastructure setup & costs +</A></li> + <LI>Next message: <A HREF="004368.html">[Mageia-sysadm] questions about our infrastructure setup & costs +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#4362">[ date ]</a> + <a href="thread.html#4362">[ thread ]</a> + <a href="subject.html#4362">[ subject ]</a> + <a href="author.html#4362">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-sysadm">More information about the Mageia-sysadm +mailing list</a><br> +</body></html> |