The limit of hosts are 16 but it's too big for just one master host. I'm using 8 hosts per cluster and it works fine.
On Thu, Oct 25, 2012 at 5:59 PM, Julien Garet <[email protected]> wrote: > Hello, > > > Still in deployment planning, I am wondering how much hosts should I put > in a single cluster ? I am using Cloudstack 3.0.2 with KVM on CentOS 6.2 > hosts. > > > What are the advantages and drawbacks of putting hosts in the same cluster > ? > > > From what I see, if I am in the same cluster, I can migrate instances > between hosts, what I can not do between different clusters, I can also > migrate primary storage. > > > What happens if I had more than 16 hosts in a KVM cluster (16 seems to be > the limit from the advanced install guide). > > > I am using iSCSI luns as primary storage and Dell C6220 servers (4 servers > in 2U chassis, sharing power input). I thought first I would divide each > chassis in its own cluster, but, from management side, I need to create a > new lun for every chassis. If I need to do some operations on a chassis, I > need to put all servers in the cluster in maintenance mode, but it seems I > can't do that ! At least one server should be up, no ? > > > Any advice would be greatly appreciated > > > ------ > Attention, changement d'adresse et de numéro de téléphone ! > Julien GARET > DSI / SESI > Bureau B201 > Inria Lille-Nord Europe > Bâtiment B, 6 rue Heloise > 59650 Villeneuve d'Ascq > téléphone: 03.59.35.86.86 > portable: 06.79.88.10.47 >
