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-u...@incubator.apache.org" <vcl-u...@incubator.apache.org> Cc: "vcl-u...@incubator.apache.org" <vcl-u...@incubator.apache.org>, "vcl-dev@incubator.apache.org" <vcl-dev@incubator.apache.org> Sent: Thu, May 24, 2012 17:54:59 EDT Subject: Re: Max Number of VMs per Host This link may be helpful http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=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 > 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 system maximum RAM: 1 TB[ > Number of hosts in a high availability cluster: 32 > Number of Primary Nodes in ESX Cluster high availability: 5 > Number of hosts in a Distributed Resource Scheduler cluster: 32 > Maximum number of processors per virtual machine: 8 > Maximum number of processors per host: 160 > Maximum number of cores per processor: 12 > Maximum number of virtual machines per host: 320 > VMFS-3 limits files to 262,144 (218) blocks, which translates to 256 > GB for 1 MB block sizes (the default) or up to 2 TB for 8 MB block > sizes.However, on a VMFS Boot drive, it is usually very difficult to > use anything other than 1 MB Block size > > With ESXI 5 there has been some changes to these limits > Guest system maximum RAM: 1 TB > Host system maximum RAM: 2 TB > Number of hosts in a high availability cluster: 32 > Maximum number of processors per virtual machine: 32 > Maximum number of processors per host: 160 > Maximum number of cores per processor: 25 > Maximum number of virtual machines per host: 512 > VMFS-3 is supported and has the same limits as before > VMFS-5 however has a max volume size of 64 TB and a max file size of 2 > TB - 512 B > How much vRAM does a VMware vSphere Hypervisor license provide? > vSphere Hypervisor license provides a vRAM entitlement of 32GB per > server, regardless of the number of physical processors. vSphere > Hypervisor can be used on servers with maximum physical RAM capacity > of 32GB. > > On Thu, May 24, 2012 at 2:20 PM, Sanders, Arbin D <asand...@nccu.edu> wrote: >> Alexander, >> >> What if I use the paid version of vSphere5? And I have 96 GB of memory? >> Could I get more than 20 VMs? >> >> Arbin Darren Sanders >> >> IT Manager - Academic Computing >> North Carolina Central University >> 712 Cecil Street >> Suite 3014 >> Durham, NC 27707 >> 919.530.6307 >> 919.530.5097 (Fax) >> >> For the Latest ITS Updates and Tips Join Us Online >> >> CONFIDENTIALITY: This email (including any attachments) may contain >> confidential, proprietary and privileged information, and unauthorized >> disclosure or use is prohibited. If you received this email in error, please >> notify the sender and delete this e-mail from your system. >> >> >> -----Original Message----- >> From: Alexander Patterson [mailto:alexander.patter...@csueastbay.edu] >> Sent: Thursday, May 24, 2012 5:17 PM >> To: vcl-dev@incubator.apache.org >> Cc: vcl-u...@incubator.apache.org >> Subject: Re: Max Number of VMs per Host >> >> 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 Free Version a much more attractive option to go with >> >> We have each of our blades running ESXI 4.1 with 16 Cores and 48 GB of ram >> and we have 20 VM's per blade but we give 1.5 GB of ram to each VM. >> >> More info here >> http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1014006 >> >> -Alex >> >> On Thu, May 24, 2012 at 2:09 PM, Sanders, Arbin D <asand...@nccu.edu> wrote: >>> >>> I am planning on using a free version of vSphere 5 depending on the how >>> many VMs I can get. I would like to get 50 VMs per host. >>> >>> >>> >>> Arbin Darren Sanders >>> >>> >>> >>> IT Manager - Academic Computing >>> >>> North Carolina Central University >>> >>> 712 Cecil Street >>> >>> Suite 3014 >>> >>> Durham, NC 27707 >>> >>> 919.530.6307 >>> >>> 919.530.5097 (Fax) >>> >>> >>> >>> For the Latest ITS Updates and Tips Join Us Online >>> >>> >>> >>> CONFIDENTIALITY: This email (including any attachments) may contain >>> confidential, proprietary and privileged information, and unauthorized >>> disclosure or use is prohibited. If you received this email in error, >>> please notify the sender and delete this e-mail from your system. >>> >>> >>> >>> From: Dmitri Chebotarov [mailto:dcheb...@gmu.edu] >>> Sent: Thursday, May 24, 2012 12:01 PM >>> To: vcl-dev@incubator.apache.org >>> Cc: vcl-u...@incubator.apache.org >>> >>> >>> Subject: Re: Max Number of VMs per Host >>> >>> >>> >>> Here is some info: >>> >>> >>> >>> http://myvirtualcloud.net/?p=1155 >>> >>> >>> >>> This is for VMware View which could ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please visit http://www.symanteccloud.com ______________________________________________________________________
