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+ <H1>[Mageia-sysadm] [council] A new server to replace rabbit.mageia.org</H1>
+ <B>Thomas Backlund</B>
+ <A HREF="mailto:mageia-sysadm%40mageia.org?Subject=Re%3A%20%5BMageia-sysadm%5D%20%5Bcouncil%5D%20A%20new%20server%20to%20replace%0A%09rabbit.mageia.org&In-Reply-To=%3C4FF49161.8060003%40mageia.org%3E"
+ TITLE="[Mageia-sysadm] [council] A new server to replace rabbit.mageia.org">tmb at mageia.org
+ </A><BR>
+ <I>Wed Jul 4 20:54:25 CEST 2012</I>
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+<PRE>
+Damien Lallement skrev 26.6.2012 18:56:
+ &gt; Hi folks,
+ &gt;
+ &gt; As you know, rabbit.mageia.org was offered to Mageia.Org.
+ &gt; This gift is now over and we need to find a way to replace this server
+ &gt; ASAP as alpha of Mageia 3 is not so far...
+ &gt;
+
+Do we still have rackspace in Marseille datacenter ?
+
+
+ &gt; FYI, we had:
+ &gt;
+<A HREF="http://www.online.net/serveur-dedie/offre-dedibox-professionnel-dell.xhtml">http://www.online.net/serveur-dedie/offre-dedibox-professionnel-dell.xhtml</A>
+ &gt; If we keep this, it will cost 60 &#8364; Tax Included per month.
+ &gt; So, 720 &#8364; for a year.
+ &gt; During Mageia 1 and Mageia 2 release process, Anne et Thomas encountered
+ &gt; big troubles like: very very long time to generate ISO and to use the
+ &gt; server for live and DVD at the same time.
+ &gt;
+ &gt; The bad points of the server we had were:
+ &gt; - &quot;small&quot; and old CPU as it was a &quot;green&quot; and old server
+ &gt; - big IO trouble as HDD are in SATA only
+ &gt; The good points were:
+ &gt; - 16 GB of RAM
+ &gt; - 2x2TB of HDD
+ &gt; - HW raid
+ &gt;
+ &gt; I checked Lenovo, HP and Dell to have a server to replace this box.
+ &gt; Dell is cheaper than the two others!
+ &gt;
+ &gt; I made a configuration with a Dell PowerEdge R210-II:
+ &gt; - CPU: 1 x Intel Xeon E3-1240: 4C/8T, 3,30 GHz, 8M Cache
+
+Compressing livecds on rabbit had no problem of maxing out all
+4C/8T available ...
+(but as theese are almost double the speed of current
+ rabbit ones I guess it can be ok)
+
+ &gt; - RAM: 16GB
+
+An other way to speed up builds is to add more ram, and build in tmpfs
+
+ &gt; - HDD controller: Dell H200 (hardware raid)
+
+but no cache, and apparently not capable of doing raid split on same disks.
+
+ &gt; - HDD: 2 x 600GB, SAS 6Gbps, 3&quot;5 15k (in RAID 0) Careful: can't add more
+ &gt; HDD! If we choose, the backpane for 4HDD, HDD will be 10k instead of
+ &gt; 15k... Add adding SSD on our side will break Dell warranty...
+
+Well, it cant be Raid0 only. because one disk will break during rc/final
+and we loose all build work and iso images.
+(and since we dont have any local sysadmin ready to go fix things
+ fast, that will be really bad...)
+
+So we need either a raid controller capable of doing split, or run
+with 4 disks, so we maintain bootable system and readybuilt isos
+even when one disk dies.
+
+ &gt; - iDRAC6 Express (impi)
+ &gt; Cost: ~1900 &#8364;*
+ &gt; * last time, for sucuk, Dell sent me a 15% of rabate. So I think, I will
+ &gt; have 15% once again... So it will make a server for ~1600 &#8364;
+ &gt;
+ &gt; The only issue I can see is the HDD.
+ &gt; For now, on rabbit:
+ &gt; [<A HREF="https://www.mageia.org/mailman/listinfo/mageia-sysadm">root at rabbit</A> ~]# du -shc /home/*
+ &gt; 189G /home/bcd
+
+This one currently stores frozen repo, a lot of testbuilds and older
+isos.
+Full iso tree for QA is ~20G
+
+Then around ~10G is needed during dvd builds
+
+A frozen repo is ~100G
+
+ &gt; 63M /home/blino
+ &gt; 110M /home/boklm
+ &gt; 32K /home/colin
+ &gt; 36K /home/dams
+ &gt; 44K /home/dmorgan
+ &gt; 367G /home/draklive
+
+This one currently stores a lot of testbuilds.
+
+A full Mga2 16 iso build including chroots is 60G
+
+ &gt; 3.7G /home/ennael
+ &gt; 16K /home/lost+found
+ &gt; 24K /home/mageia
+ &gt; 76K /home/mirror
+ &gt; 101G /home/misc
+ &gt; 36K /home/nanardon
+ &gt; 19G /home/pterjan
+ &gt; 19G /home/tmb
+ &gt; 698G total
+ &gt; [<A HREF="https://www.mageia.org/mailman/listinfo/mageia-sysadm">root at rabbit</A> ~]# df
+ &gt; Filesystem Size Used Avail Use% Mounted on
+ &gt; /dev/sda1 9.7G 4.2G 5.1G 46% /
+ &gt; /dev/mapper/rabbit-distrib
+ &gt; 496G 368G 103G 79% /distrib
+
+If the server ends up in Marseille DC, this one can be
+dropped as the primary mirror is at same DC so we get
+fast resync, so we need only frozen repo.
+
+ &gt; /dev/mapper/rabbit-home
+ &gt; 886G 698G 144G 83% /home
+ &gt; /dev/mapper/rabbit-libvirtd
+ &gt; 33G 315M 33G 1% /var/lib/libvirt/images
+ &gt; [<A HREF="https://www.mageia.org/mailman/listinfo/mageia-sysadm">root at rabbit</A> ~]#
+ &gt;
+ &gt; So, the question is: &quot;can you make live/DVD with 'only' 1,2 TB?&quot;
+ &gt; WDYT about this proposal?
+ &gt;
+
+
+--
+
+Thomas
+</PRE>
+
+
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