I have another question to add to that same question. Does this change with how many cores a host would have? Example you have host with 8 cores, so 8 of those x 6 would be 48 cores running. What about with 32 cores? So 6 of those x 32 would be 192 cores. Which part determines how many that you can have.

Ricky
On 11/13/2014 4:02 AM, Geoff Higginbottom wrote:
If you have very busy Hosts, with lots of VMs on them, XAPI can get overloaded 
etc.  CloudStack communicates with the Pool Master, so the more Hosts in the 
Cluster, the more work the Pool Master has to do.

Of course it all depends on your workloads (number of VMs per Host) or Host 
Spec as Larger VMs or smaller Hosts (less RAM and CPU) will result in fewer VMs 
per host so you could probably run more Hosts in the Cluster etc

Regards

Geoff Higginbottom

D: +44 20 3603 0542 | S: +44 20 3603 0540 | M: +447968161581

[email protected]

-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: 13 November 2014 09:27
To: [email protected]
Subject: RE: Hosts per cluster?

Thanks Geoff,

    How the cluster will get optimized by adding only 6 xenserver instead of 8?

Thanks
Tejas



From:   Geoff Higginbottom <[email protected]>
To:     "[email protected]" <[email protected]>
Date:   11/13/2014 02:54 PM
Subject:        RE: Hosts per cluster?



The official line is max 8 XenServer Hosts per cluster, but experience has
shown the 'optimum' number to be 6 per Cluster

Regards

Geoff Higginbottom

D: +44 20 3603 0542 | S: +44 20 3603 0540 | M: +447968161581

[email protected]

-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: 13 November 2014 09:19
To: CloudStack-Users
Subject: Hosts per cluster?

Hello,

   I have a quick question which need to be resolved before we start
cloudstack deployment.

In Cloudstack 4.3 cluster how many physical hosts(xenserver 6.2) supported
?

Thanks
-Tejas
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