Re: Max Number of VMs per Host

2012-05-24 Thread Evelio Quiros
Hello, As you know, the number of Virtual Machines per host depends on available resources (CPU, RAM, Disk), as well as the demands of the image. As a general guide, I have found the following to be reasonable. Other admins, please share your opinions. For a single VM host with 12 virtual CPU

Re: Max Number of VMs per Host

2012-05-24 Thread Young h Oh
Normally, you can calculate the average number of VMs depends on the computing power (CPU). For example, 1 physical core can supports 2 VMs with 2 GB RAM. If you have 2 CPUs with 16 cores, then you might run 32VMs with 64GB RAM. However, the max number of VMs per host depends on variable facts as

Re: Max Number of VMs per Host

2012-05-24 Thread Dmitri Chebotarov
Here is some info: http://myvirtualcloud.net/?p=1155 This is for VMware View which could be approximated to VCL. There is also limits per VMFS datastore (if you not using NFS). I have seen different recommendations for VM number per ESXi host per shared VMFS - VMWare recommends 16 VMs per

Re: Max Number of VMs per Host

2012-05-24 Thread Alexander Patterson
Hello, ESXI 5 is limit by licenses with the amount of ram you can run on each machine. The 8 GB vRAM limit is for the upcoming 5.0 free Hypervisor, the 4.x version had no such memory limits. VM makes you pay now if you want to use X amount of ram per host with the upcoming version. Making 4.1 I

Re: Max Number of VMs per Host

2012-05-24 Thread Alexander Patterson
I'm not sure from what I have been reading, might want to contact your VMware Rep and see what they can do if you plan on upgrading to 5. WIth ESXI 4.1 Infrastructure limitations Some limitations in ESX Server 4 may constrain the design of data centers: Guest system maximum RAM: 255 GB Host

Re: Max Number of VMs per Host

2012-05-24 Thread Dmitri Chebotarov
This link may be helpful http://kb.vmware.com/selfservice/microsites/search.do?language=en_UScmd=displayKCexternalId=2000935 On May 24, 2012, at 5:32 PM, Alexander Patterson alexander.patter...@csueastbay.edu wrote: I'm not sure from what I have been reading, might want to contact your

Re: Max Number of VMs per Host

2012-05-24 Thread Sanders, Arbin D
How about other hypervisors? KVM limits? Arbin D. Sanders Sent from my Motorola Smartphone on the Now Network from Sprint! -Original message- From: Dmitri Chebotarov dcheb...@gmu.edu To: vcl-user@incubator.apache.org vcl-user@incubator.apache.org Cc: vcl-user@incubator.apache.org