> De: "JoonHyun Pac" <[email protected]> > À: [email protected] > Envoyé: Jeudi 25 Octobre 2012 12:59:50 > Objet: Re: maximum hosts per cluster
> 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. What happens if you have 16 hosts ? What's the difference from the cloud controller to have 16 hosts in one cluster or 16 hosts in two clusters of 8. > 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 > >
