hyperthreading and virtualixation technology differences

hi the below link is what I am viewing:

http://ark.intel.com/products/41493/Intel-Pentium-Processor-E6300-2M-Cache-2_80-GHz-1066-MHz-FSB

I have the following machines:

hpdc 5700 e6300, 2g ram machine

question 1.  what does it mean when it states the following and in practical terms what can I not do  ?

hyperthready technology - no (it delivers 2 processing thread per physical core)
virtualization technology - yes
mikey250Asked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Hardware Virtualisation is supported, but you will have less threads, or (virtual CPUs) to allocate out to VMs.

e.g. we allocate approx 5-6 VMs per Core.

BUT, in your machine, memory is ALWAYS the bottleneck, now CPU.

So worry about more memory, not the CPU.
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mikey250Author Commented:
as I have the following:

- dell poweredge 1950 server
- hpdc 5700 e6300 machines

I would like to be able to setup some sort of virtual network but not sure if my machines can do this prior to buying ie windows 2008 as I do have evaluation software.

q1.  any direction from anyone  ?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Dell Poweredge 1950 server

The Dell Poweredge 1950 server, can support VMware vSphere Hypervisor ESXi 5.1 for FREE.

It very much depends on how much memory both machines have. 2GB RAM is very low, and not enough.


Part 1: HOW TO: Install and Configure VMware vSphere Hypervisor 5.1 (ESXi 5.1)

Part 2: HOW TO: Connect to the VMware vSphere Hypervisor 5.1 (ESXi 5.1) using the vSphere Client
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David Johnson, CD, MVPOwnerCommented:
you don't have enough ram to even consider virtualization.  4G as a bare minimum, 8G better 16+G preferred. unfortunately that 10 year old machine only supports 4G of ram.

dell poweredge 1950 server  : you can use this as it supports lots of ram but it is again 10 years old.
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mikey250Author Commented:
i currently have: they are test machines

dell poweredge 1950 16gb ram
hpdc 5700 e6300 2gb ram
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mikey250Author Commented:
hi Andrew,

i have just looked at those 2 links you provided and it appears one will allow me to setup a server and the other a client machine.

q1.  will both links require me to install on my server for example and the client and then use a physical machine to logon to my server to the vmcient or something  ?

q2.  can you give me an explanation what it will allow me to understand with 1 x server and 1 x client meaning it will be in essense the same for multiple machines  ?
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mikey250Author Commented:
hi david,

i suppose i could purchase 2gb ram more to add to my hpdc5700 as you state.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
q1.  will both links require me to install on my server for example and the client and then use a physical machine to logon to my server to the vmcient or something  ?

Yes, you could install ESXi on the Dell PowerEdge, and Client on the hpdc 5700 e6300 2gb ram.

q2.  can you give me an explanation what it will allow me to understand with 1 x server and 1 x client meaning it will be in essense the same for multiple machines  ?

You install the Hypervisor ESXi (which allows you to virtualise machines), to manage it, you will need a Windows workstation, to manage the server. This could be any Windows computer.

BUT, you will need to increase memory.
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mikey250Author Commented:
yes i will see if i can increase my memory on my hpdc 5700 e6300 from 2gb to 4gb.

i thought that both vmserver and client would be installed on the dell and then somehow i would logon to the network and connect as a client and open up a windows in presumably windows 7 for example like i suppose terminal server ?
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rindiCommented:
Hyperthreading has nothing to do with virtualization. CPU's that have hyperthreading support, appear to the OS as if there were an additional CPU per core. So if you had a core2duo CPU with 2 cores, and that CPU supported hyperthreading as well, it would appear as if your CPU had 4 cores. As your CPU doesn't support hyperthreading, there is no need to worry about that.

If the CPU has virtualization support, you could run server hyper-v or ESXi, but as hanccocka already mentioned, there isn't enough RAM in the HP PC to be able to run much. As a rule of thumb, your guest OS's need the same amount of RAM as they would as a physical PC would, so with more VM's you'd also need more RAM. As far as I know your HP's chipset only supports a max of 4GB. Hyper-V alone needs a minimum of 1GB just for the host, so you'd only be left with 1GB for your guest OS at the moment. ESXi is better in that respect, it uses very little RAM so your host would have almost 2GB, but 2 GB is is on the lower end for most current OS's.

The Poweredge on the other hand should be OK.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
yes i will see if i can increase my memory on my hpdc 5700 e6300 from 2gb to 4gb.

i thought that both vmserver and client would be installed on the dell and then somehow i would logon to the network and connect as a client and open up a windows in presumably windows 7 for example like i suppose terminal server ?

No need to change memory on the hpdc 5700 e6300, other than what is required for a Windows OS.

ESXi is just a Server OS, it contains no management client, it just hosts Guest OS - Virtual Machines. This is what you need to install on your Dell PowerEdge, but your memory needs to be increased to at least 4GB or better 8GB to make this usable.


There are also other Hypervisors, you could try, e.g. Microsoft Hyper-V which is included with Microsoft Windows Server 2008 R2 and Server 2012.

This includes Server and Client in the same OS, but this is not a FREE OS.
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mikey250Author Commented:
no need to change memory on the hpdc 5700 e6300, other than what is required for a windows os. -ok

esxi is just a server os, it contains no management client, it just hosts guest os - virtual machines.  this is what you need to install on your dell poweredge, but your memory needs to be increased to at least 4gb or better 8gb to make this usable.

above you say: no need to change memory on hpdc 5700 e6300 - so my machine is ok, but you also say above 'but your memory needs to be increased to at least 4gb or better or 8gb to make this usable, what do you mean  ?

my dell has 16 gb ram already

q1.  do i actually install anything like a windows os on my hpdc 5700 or am i just connecting to my vmserver to connect to an already pre-installed vmclient ie windows 7 via my dell and then a window will open up into a win 7 client as if installed directly on my hpdc 5700  ?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
above you say: no need to change memory on hpdc 5700 e6300 - so my machine is ok, but you also say above 'but your memory needs to be increased to at least 4gb or better or 8gb to make this usable, what do you mean  ?

You have two computers, correct!

I'm referring to the dell poweredge 1950 server - this is for ESXi. - this is the server, memory needs to increase, although you've not told us what memory it has!

my dell has 16 gb ram already - good no change required here - perfect

hpdc 5700 e6300 - this is the Windows OS Workstation e.g. Client

q1.  do i actually install anything like a windows os on my hpdc 5700 or am i just connecting to my vmserver to connect to an already pre-installed vmclient ie windows 7 via my dell and then a window will open up into a win 7 client as if installed directly on my hpdc 5700  ?

So now you just need to follow my Articles I posted, which are designed for novices, Step by Step instructions with screenshots of what to do.

This computer - hpdc 5700 needs to have an OS on it...... because the Client application to Manage ESXi, is a Windows application, so therefore you will need a Windows OS.

This Question you asked, has gone off topic, because originally it was a discussion about a CPU!

Remember that a Hypervisor which HOSTS Guest OS Virtual Machines, does not come with any virtual machines installed, you also have to install them.

The Client you install on your HP, just connects and manages the Server.... I think it would be best if you read ALL my Articles!

Part 1: HOW TO: Install and Configure VMware vSphere Hypervisor 5.1 (ESXi 5.1)

Part 2: HOW TO: Connect to the VMware vSphere Hypervisor 5.1 (ESXi 5.1) using the vSphere Client

Part 3: HOW TO: Create an ISO CD-ROM/DVD-ROM image (*.iso), and MD5 checksum signature, for use with VMware vSphere Hypervisor 5.1 (ESXi 5.1)

Part 4: HOW TO: Upload an ISO CD-ROM/DVD-ROM image to a VMware datastore for use with VMware vSphere Hypervisor 5.1 (ESXi 5.1) using the vSphere Client, and checking its MD5 checksum signature is correct.

Part 5: HOW TO: Enable SSH Remote Access on a VMware vSphere Hypervisor 5.1 (ESXi 5.1)

Part 6: HOW TO: Create your first Linux Virtual Machine on a VMware vSphere Hypervisor 5.1 (ESXi 5.1) Host Server

Part 7: HOW TO: Create your first Windows Virtual Machine on a VMware vSphere Hypervisor 5.1 (ESXi 5.1) Host Server

Part 8: HOW TO: Install VMware Tools for Windows on a VMware Windows virtual machine on a VMware vSphere Hypervisor 5.1 (ESXi 5.1) Host Server

Part 9: HOW TO: Install VMware Tools for Linux on a VMware Linux virtual machine on a VMware vSphere Hypervisor 5.1 (ESXi 5.1) Host Server

So lets just rewind to, what do you want to do ?

Your original question, I believe has been answered!
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rindiCommented:
You would install something like Windows 7 or 8.1 on the HP, then install the ESXi Client software. With that you can then connect to the ESXi server and install the VM's.

It is a good idea to install ESXi on the poweredge to a small USB stick or SD card from which you then boot the server. That way you can use the complete disk-space as a datastore for the VMs. Many servers even have an internal USB port or SD card Reader just for that purpose, so the USB stick doesn't protrude out of the server. 4GB or less is fine.
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mikey250Author Commented:
hi Andrew, i will however go through each link.

my initial question was about going forward to doing what you advise beyond the initial question.  so thanks for going above and beyond. much appreciated.

 thanks for those links.  im beginning to grasp your advice.  appreciated.

this computer - hpdc 5700 needs to have an os on it...... because the client application to manage esxi, is a windows application, so therefore you will need a windows os.

qns1.  i guess my last question would be 'why install an os in order to manage esxi, as i thought it was the vmserver that would provide the ability to manage multiple vmservers & vmclients installed on the physical dell as vmmachines ?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
qns1.  i guess my last question would be 'why install an os in order to manage esxi, as i thought it was the vmserver that would provide the ability to manage multiple vmservers & vmclients installed on the physical dell as vmmachines ?

ESXi is a very lightweight, secure OS which mission is to Host Guest VMs. It contains a very limited console, which allows the setup of the OS, but this does not provide a GUI which can manage the OS, on the actual server. So there remote management is required. The same is true of many headless servers systems, unlike Windoze that changed this! (and no Microsoft are going back to Core OS, which contains no GUI, GUI adds security and patch issues!)

e.g. Novell Netware, was a file server, that needed remote management, very little could be done from the actual console, it makes a server securer in my opinion!

If you want to host and manage VMs, on the same "box", I would suggest Windows Server 2008 R2 or Windows Server 2012 or 2012 R2, and add the Hyper-V role.

This will allow you to manage and host Virtual Machines on the same BOX!
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rindiCommented:
ESXi is just a very bare-metal OS with very limited functionality to the user. Besides, servers usually sit in very noisy and freezing server rooms. People would want to keep their stay in a server room as short as possible and prefer to manage their servers from the cosiness of their office, so having a proper user interface on the server isn't necessary and that way the host OS on the servers stays very small with very little hardware requirements.
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mikey250Author Commented:
ok thanks for that info very informative and much appreciated.
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mikey250Author Commented:
sound advice.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
If you get lost, post another question, I wrote all my articles, so I know them well!
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mikey250Author Commented:
hi Andrew, yes definitely.  much appreciated.

i happen to have a cd with VMware esxi on it as well which i attempted to install before but did not complete.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
i happen to have a cd with VMware esxi on it as well which i attempted to install before but did not complete.

Post a new question, and myself or other Experts will be glad to assist.
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