Hello Abhishek, 

You can achieve n+1 redundancy  by putting limits on cluster level, Below are 
the few settings which you can set on cluster level and global level as well. 
So let’s say you have 4 host, then you can set limit on 70% for maintaining the 
n+1 redundancy.

cluster.cpu.allocated.capacity.disablethreshold
cluster.cpu.allocated.capacity.notificationthreshold
cluster.memory.allocated.capacity.disablethreshold
cluster.memory.allocated.capacity.notificationthreshold


Regards,
Vivek Kumar



> On 25-Jul-2021, at 12:16 PM, Abishek <abckd...@gmail.com> wrote:
> 
> Hello Every One,
> 
> Is it possible to limit host resources in cloudstack 4.15.1. Lets say if a 
> host CPU and memory resource is allocated about 90%, then do not allow the 
> further new vm's to start on that host(choose another host).
> Thank You

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