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diff --git a/zarb-ml/mageia-sysadm/2012-March/004348.html b/zarb-ml/mageia-sysadm/2012-March/004348.html new file mode 100644 index 000000000..a8433d516 --- /dev/null +++ b/zarb-ml/mageia-sysadm/2012-March/004348.html @@ -0,0 +1,152 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-sysadm] is the svn server down? + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-sysadm%40mageia.org?Subject=Re%3A%20%5BMageia-sysadm%5D%20is%20the%20svn%20server%20down%3F&In-Reply-To=%3C1333153369.1619.37.camel%40localhost%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="004347.html"> + <LINK REL="Next" HREF="004349.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-sysadm] is the svn server down?</H1> + <B>Michael Scherer</B> + <A HREF="mailto:mageia-sysadm%40mageia.org?Subject=Re%3A%20%5BMageia-sysadm%5D%20is%20the%20svn%20server%20down%3F&In-Reply-To=%3C1333153369.1619.37.camel%40localhost%3E" + TITLE="[Mageia-sysadm] is the svn server down?">misc at zarb.org + </A><BR> + <I>Sat Mar 31 02:22:49 CEST 2012</I> + <P><UL> + <LI>Previous message: <A HREF="004347.html">[Mageia-sysadm] is the svn server down? +</A></li> + <LI>Next message: <A HREF="004349.html">[Mageia-sysadm] is the svn server down? +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#4348">[ date ]</a> + <a href="thread.html#4348">[ thread ]</a> + <a href="subject.html#4348">[ subject ]</a> + <a href="author.html#4348">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Le vendredi 30 mars 2012 à 22:21 +0200, nicolas vigier a écrit : +><i> There is a problem with the switch where our servers are connected. +</I>><i> We may need to replace it. +</I> +mtr ryu and mtr alamut show the problem is just at the entry of the ielo +network : + +on ryu, there is 6 hops after +xe2-2-0.ter2.eqx2.par.as8218.eu + +ge1-5.br1.rdb.par.ielo.net +ge-1-6-neo-cr2.eqx-prs.fr.rt.ielo.net +2ge-e1-17-e1-18-cr5.le9-lyon.fr.rt.ielo.net +2ge-e1-17-e1-18-cr4.le9-mrs.fr.rt.ielo.net +ge-2-1-ve25-cr3.ldr-mrs.fr.rt.ielo.net + +I am not a expert into deciphering network admin language, but I suppose +that : +- since that's all ielo.net, that's also the same type of convention +used for all equipements. + +ge usually mean "gigabit ethernet", 2ge maybe is when there is 2 cards, +or something like that. + +ldr-mrs mean "liandier marseile" ( ie, the location of our hoster, +liandier street, in Marseille ), so that's a network device in the +server room. + +The 2 others one are gigabit switch , 1 in Marseille, the other one in +Lyon. le9 is the french for "the 9", the old name of a ISP now merged +with SFR ( another french isp/telephony provider ). If we see the list +of PoP of ielo ( a pop being a equipment where someone can connect ) : +<A HREF="http://www.ielo.net/solutions/infrastructures/points-de-presence/">http://www.ielo.net/solutions/infrastructures/points-de-presence/</A> + +We see that indeed, they are in Lyon and Marseille in "le neuf" +datacenter ( ie, le 9 ). + +There, they are connected to lyonIX, as seen here +<A HREF="http://www.lyonix.net/fr/a-propos-de-lyonix/participants-lyonix">http://www.lyonix.net/fr/a-propos-de-lyonix/participants-lyonix</A> +( a IX being a place where ISP interconnect their network, seek +"internet exchange" on wikipedia ) + + +- ge-1-6-neo-cr2.eqx-prs.fr.rt.ielo.net + +and then, they go to the equinix datacenter in Paris ( eqx-prs ), and +they are connected to as8218.eu, that is neotelecom ( hence "neo" ). + +See for the detail of the as +<A HREF="http://www.peeringdb.com/view.php?asn=8218">http://www.peeringdb.com/view.php?asn=8218</A> + +( a AS being a autonomous system, think of it as a network under the +control of one single administrative entity, the internet being a +network of network, ie interconnection of AS ). + + +for the mageia.org servers, there is nothing. + +At first sight, I would say that having our switch ( ie, the small +consumer grade equipment we use to interconnect to the main +cisco/hp/whatever switch of Lost oasis ) would not cause such issues +( ie, I would expect to drop paquet at the last step ). However, since +all others servers on the same Lost Oasis switch seems to work, that's +also weird. + +For the record, I see that 212.85.158.145 ( alamut default gateway, +whose reverse is gateway-mageia.ielo.net ) is not answering to ping and +on the other hand, the default gateway for zarb.org ( 212.85.158.1 ) +answer to ping. + +And I am pretty sure that this gateway is after our switch from a +network point of view, and so that this should answer fine if our switch +is unplugged. + +So I suppose that this device ( 158.45 ) do send network +topology/routing with OSPF or RIP etc, and for some reason, it no longer +announce the route for our network. + +It could be caused by our switch being broken, but that would be rather +strange, as I do not know any network equipment that would act like this +( doesn't mean that it doesn't exist, but usually, network is not that +smart ). + + +So what did IELO said exactly ? + +( cause "our switch" can mean the switch we use, or the switch they use +for us, as I doubt they remember do know exactly how everything is done +for all the client they have ) + +And more important, what can we do to diagnose the issue, does it have +to wait on Monday ? + +-- +Michael Scherer + +</PRE> + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="004347.html">[Mageia-sysadm] is the svn server down? +</A></li> + <LI>Next message: <A HREF="004349.html">[Mageia-sysadm] is the svn server down? +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#4348">[ date ]</a> + <a href="thread.html#4348">[ thread ]</a> + <a href="subject.html#4348">[ subject ]</a> + <a href="author.html#4348">[ 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> |