I'm not really clear on what you hope to accomplish by putting two virtual servers on the same host ?
On Wed, Nov 25, 2009 at 1:35 PM, Götz Reinicke - IT-Koordinator < goetz.reini...@filmakademie.de> wrote: > majk.sko...@eventim.de schrieb: > >> -----Ursprüngliche Nachricht----- > >> Von: Götz Reinicke - IT-Koordinator > >> [mailto:goetz.reini...@filmakademie.de] > >> Gesendet: Mittwoch, 25. November 2009 12:05 > >> An: mysql@lists.mysql.com > >> Betreff: Virtual servers, Raid 10 or Raid 01 - your opinions? > >> > >> Hi, > > > > Hi, > > > >> I do get two new Sun Fire X4170 servers with 8 SAS 300GB HDs, 24 GB RAM > >> each. > >> > >> Right now, we do not have a lot of data in our databases (5 small LAMP > >> servers), which should be consolidated. > >> > >> (The second Sun Fire X4170 will be the Webserver-Sun, the DB-Traffic > >> will have his own gbit switch (Webserver-Sun <-> MySQL-Sun) ) > >> > >> There are more reads than writes. > >> > >> To simplify matters, I'd like to use virtual MySQL-Servers (Master and > >> Slave) on the sun and use one large raid. > > > > Putting the question a bit higher for better understanding. > >> What RAID would be the better choice? 10 or 01? > > > > Generally RAID 10 is more robust and fault tolerant. Some things > depending on > > the controller if it's smart or not. But rebuilding the raid in case of > an error > > is much faster with RAID10. > > > > If you want to know more read > > http://www.pcguide.com/ref/hdd/perf/raid/levels/multXY-c.html > > > > Concl.: RAID 10 is a good choice! > > Thanks. > > >> Also I was thinking, to use one RAID 1 for the virtualisation-system > >> and > >> the other six harddisks for the virtual servers. > > > > It's not fully clear to me what you mean with virtual MySQL-Servers. > > I'll install Citrix Xen Server and than two or more virtual Redhat EL / > Centos/ .... Servers on one SUN Fire server. (Next year I'll get some > more physical servers for clustering/failover/loadbalance) > > So I'll use two disks for the xen server software and one raid 10 for > the virtual machines. > > > > > HTH! > > It did. Thanks. > > /Götz > -- > Götz Reinicke > IT-Koordinator > > Tel. +49 7141 969 420 > Fax +49 7141 969 55 420 > E-Mail goetz.reini...@filmakademie.de > > Filmakademie Baden-Württemberg GmbH > Akademiehof 10 > 71638 Ludwigsburg > www.filmakademie.de > > Eintragung Amtsgericht Stuttgart HRB 205016 > Vorsitzende des Aufsichtsrats: > Prof. Dr. Claudia Hübner > Staatsrätin für Demographischen Wandel und für Senioren im > Staatsministerium > > Geschäftsführer: > Prof. Thomas Schadt > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/mysql?unsub=vegiv...@tuxera.be > >
