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• Number of virtual machines per server: what is in the way

  I've seen everything from 10:1 to 80-90: 1 VMs per server.  What is a good average, and what is a good source to cite?

  How about starting with 20 virtual machines per server on average?

• Number of virtual machines per server

  This number varies greatly with the type of workload and of (among other variables) network connectivity, but what would you say is a common number of virtual machines running on a particular server (NIC10 G ) platform? 10? 20? 40? The number of sockets/cores on this server?

  Any contribution is appreciated.

  Thank you

  Hey Ex,.

  This issue of $ 1 million has been requested several times before.  The answer is simple - there is no definitive answer.  There are so many variables that contribute to the number of virtual machines, you can run on a server:

  -number of Sockets
  -Core per socket

  -CPU speed

  -Density memory

  -Bandwidth allocated by host

  -Storage connectivity & bandwidth

  -Attributes VM & function of workload (amount of memory, CPU & disk by virtual machine)

  Although you can probably squeeze a lot more virtual machines per server with densities increased memory & CPU power, also increases your default domain name.  HA may be able to 'recover' virtual machines on a failed host, but how virtual machines are you willing to lose only once?  When sizing of your hosts, also the failover capabilities take into account.  Each of your cluster hosts should be able to tolerate the failure of at LEAST one host and meet all the requirements of memory & processor of the additional virtual machines now spread over the remaining hosts in the cluster.  This is why administrators does not often grow over 60% of the capacity of their hosts.  VMware uses a calculation of size "slot" to ensure you have adequate to your cluster failover capacity.

  As typical, I see regularly around the mark of 20 VM per server on a typical 2-socket server with 96 GB of memory and dual 10 G uplinks.  It is also good to think that most software licenses (VMware, Nexus 1000v etc.) is based on the counts of socket, and since the memory is going to be your first argument point - servers that can support large amounts of memory are usually an ideal choice.  B250 is perfectly placed to virtual workloads like this, while the B230 is a little firecracker with a bit more CPU power under its hood so you need.

  As vague as I was, I hope this starts your thought process

  Kind regards

  Robert

• Virtual machines, run extremely slow when the console is consulted 2 virtual machines Windows Server 2008 64-bit, Windows Server 2003 32-bit, 2 VMWare for virtual machine

  I'm in a difficult situtaition here.  I am the daily contact with a new client.  My linux guy, who is also my boss who is very busy, asked me to do some research trying to find answers for what's not on this server. We have a dual Quad Core 2.5 Ghz Lenovo server with 10 GB of ram.  2 500 GB hard drives are Raid 1.  We run Virtual Server VMWare 2 on a Debian with Gnome installation as a user interface for the side of things Linux.  Grub is the boot loader. There are two virtual machines running on the server.  The one machine that serves as a domain controller is a Windows SBS 2008 Server 64 bit, and the secondary machine has no responsibility domain.  The second machine is a Windows Server 2003 32-bit.  the 10 GB of ram 6 GB is allocated to the SBS server and 4 GB to the 2003 server.

  The problem I am running into is that everything is so slow, especially if I connect remotely to do any sort of administration on the network.  Some examples of issues I've noticed is that as soon as I log on the server via Remote Desktop SBS console management Windows Server spike to 80-95% CPU usage and it will not stop unless I close the management console.  Another instance is that if I open Backup Exec 12.5 on the SBS server it will kill the speed of the processor as well.  Long story short, there are a lot of machine to do what we need to do, but something is not configured right and non of us know what it is.  Another point to note is that the server has been in production for about 3 weeks, and the server seemed to have locked up just twice.  My professional guess is that over time, some chose thing is eating causing the crash of the memory.

  Sorry I do not have much technical insight on this topic, but this is the best I have to offer.  Any questions you all have, I'll ask my people and see if I can answer, but I could really use your help here.

  Thank you in advance,

  Heath

  2 things:

  1 you really need hard drives more than 2 in a RAID 1 for proper performance under load. More disks the better. Although I don't think that's what your problem is, he'll probably be the problem Next you will do.

  2. I don't know exactly where the configuration file is on your box of Debian for VMware Server, but you should consider adding the following options in the configuration file (on windows, it's the vmware 'config.ini'):

  prefvmx.minVmMemPct = "100".

  MemTrimRate = 0

  sched.mem.pshare.Enable = "FALSE".

  mainMem.useNamedFile = "FALSE".

  If you do some research, you can read about what these options (the largest is the memory page sharing - it should only be left on if you have a bunch of similar virtual machines running on the same box, that you don't have.) I honestly know why this is on by default, he kills the CPU when virtual machines are running different operating systems). These are the options that I now use standard in VMware Server deployments, with huge performance increases after you have added the. Just give a try.

  Edit: Also make sure that you have installed in your virtual machines VMware tools.

  Dimitri Rodis

  Integrita Systems LLC

  http://www.integritasystems.com

• Is it possible - installation of a virtual machine with Server 2008 on a disc and use the other drive for storage

  I have a Dell power edge server with 2 Configuration of disks 1 TB in raid 0

  I can install a Win Server 2008 R2 and SQL 2008 R2 on a VD without problem, but I do not see the other disk of TB in option within Windows Server to be used as storage SQL only.

  How can I get the two disks to appear in Windows server?

  what I want is:

  First Dell 1 TB drive VD = Server 2008R2 and SQL on C:\

  Second VD Dell 1 TB drive = D:\ like disk storage

  do I have to configure the Dell VD another way or is it possible

  
  

  Thank you

  
  

  
  

  You basically configure the virtual machine that you want on all the available storage (do not forget to keep free space, for example snapshots). -As I understand it - is so that ESXi does not see the storage! This is often caused by the RAID controllers not taken in charge or the RAID issues. Please check if the RAID controller is supported as well as the configuration. BTW. Why do you want to configure RAID0? If you want to create two virtual disks on warehouses of separate data anyway, simply present to ESXI as two separate disks/volumes.

  André

• FT-record/replay feature is not supported by this virtual machine Windows Server 2012

  Recently I came across a bug when I created a virtual machine with the latest versions of 5.1.0 - ESXi 838463, Client ver 5.1.0 - 860230, vCenter ver 5.1.0 - 880146.  If you create a virtual machine on a Server Windows 2012 farm for some reason any recording/playback is disabled and you cannot implement fault tolerance mode.  I found a good solution.  You delete the virtual machine to inventory, and then re-create the virtual machine as a Windows 2008 R2 server and use the virtual machine that you deleted from the original disc of the inventory rather than create a new one.  Then turn on FT.  Then, go into the settings and change the operating system to Windows Server 2012.   Fixed a problem.  If all goes well they will fix this soon.

  Jimmy S.

  Default adapter for windows 2012 is E1000E, which is not supported for RecordReplay FT.  If this is the case can you please try with another network card and see if it helps.

  If this is not the case, can you please upload vm-support bundle or file a support ticket.

  Thank you

  Pradeep

• Built-in features of virtual machine Windows Server 2008

  4.0 ESX or ESXi 4.0 supports virtual machine built-in capability in Windows Server 2008?

  No, Hyper-V can be passed through a guest.

• Find my host PID of virtual machines VMware Server 2.0

  Hello!

  With VMware Server 1.x, it was easy for me to find which machine used what PID. I just had to connect to the web interface of VMware Server and voila I could see my names of virtual machines and their respective PIDs.

  Now with VMware Server 2 I can't find anywhere them in the web console of VMware!

  Instead I use Process Explorer (and market - I find that PID is related to computer)...

  Anyone has any idea where I can get this info quickly in VMware software/console/whatever?

  Thanx.

  Sorry, I was showing you the contents first to design you what you actually wanted.

  Try the attached vbs script that isolates the configuration file .vmx and PID for you.

  ---

  If you have found this device or any other answer useful please consider the use of buttons useful or Correct to award points.

• What is a good figure for the average number of virtual machines per server?

  I hear everything from 10:1 to 100: 1.  What is a good average, and analysts say?

  So what are the good standards of processors and apps

• Problem with control of bug 0xC5: DRIVER_CORRUPTED_EXPOOL on the virtual machine (Windows Server 2012 R2) - TDI vShield Manager error on vnetflt.sys

  Hello guys, I'm having this problem:

  KB.VMware.com/selfservice/microsites/Search.do?Language=en_US & cmd = displayKC & externalId = 2081616

  The thing is that my ESXi hosts run 5.1 Patch Update 3 7 and this says KB updated to 5.1 Patch Update 2 6.

  No idea what to do?

  Thank you

  I just reinstalled the VMware tools without the vnetflt.sys driver and the problem resolved.

• Manual backup Parallels virtual machine - how to exclude folders?

  Can't find an answer.

  I want to exclude certain folders when you do a manual Virtual Machine backup Parallels.

  There are thousands of responses but all backups on Mr. time.

  And since I had a crash when restoring a virtual of TM machine I won't use.

  I have no problem with manual backups.

  But since my photo file is about 100 GB and I don't change anything

  often, in this case, I want to exclude from the backup of file that records everything.

  Greateful for any suspicion.

  Can you clarify, you try to back up only via Parallels

  or try you backup via Time Machine and want to exclude a folder?

  If this last, go preferences of Time Machine and choose your folders to exclude

  

  If you only back up Parallels see here

  http://KB.parallels.com/en/4859

  or here

  http://KB.parallels.com/en/8827

  - - - -

  Your mileage may vary.   All advice is based on my experience.   I bought a shareware/commercial software in any given notice and have no financial interest in all of the mentioned products.

• How to migrate a virtual machine from the server with DAS to another server

  Hi guys,.

  questions. 'More' essential Kit. VMotion is available

  I have 2 physical servers, two of them have DAS (not SAN Central). SO I want to migrate a virtual machine on server A to server B. is it possible in this situation?

  Or should I have versions of more expensive VMWare do?

  Thank you
  Dmitry

  You can use clone. I would close first to the bottom of the virtual machine, but a VM slowed would be very nice clone. You can also use the VMware conveter. VMware converter can make a hot clone, including synchronization of last-minute changes, stop the source machine and put under tension the clone.

• Outside dimensions of the virtual machine significantly excceds the HD inside the virtual machine

  Hi, I have a VM workstation running on Windows 2003 server 64-bit (host).  I am running a Windows 2003 32-bit server in a virtual machine (my server, Sagarmatha).  My server has 40 GB of HD available to it.  When I do a "dir" on the host command, it is using 92.5 GB!  Now, I can fully understand that space for a (prealloue) 40 GB VM could take up to 45 GB or more, but I'm choking on 92.5 Go!  (My problem lies in the backup it.)

  In any case, a directory listing looks like this...

  2009-05-23 11:27 PM & lt; DIR & gt;                            .

  2009-05-23 11:27 PM & lt; DIR & gt;                            ..

  2008-03-09 03:55 PM & lt; DIR & gt;                            564d07a0-6fd4-a281-46de-d9fb01fb279f.vmem.lck

  22/05/2009 08:36 PM & lt; DIR & gt;                            564dc69f-1751-35ab-AB84-ddf418f653cb.vmem.lck

  22/05/2009 08:36 PM & lt; DIR & gt;                            Sagarmatha - 000001.vmdk.lck

  22/05/2009 08:36 PM & lt; DIR & gt;                            Sagarmatha - 000002.vmdk.lck

  22/05/2009 08:36 PM & lt; DIR & gt;                            Sagarmatha.VMDK.lck

  2009-05-22 04:12 PM & lt; DIR & gt;                            Sagarmatha.vmx.lck

  2007-11-14 16:01 42,949,672,960 Sagarmatha - flat hard

  2009-05-22 20:37 36,399,546,368 Sagarmatha - 000002.vmdk

  2008-09-09 16:29 13,518,700,544 Sagarmatha - 000001.vmdk

  2008-08-19 10:32 2.147.483.648 564d07a0-6fd4-a281-46de-d9fb01fb279f.vmem

  2009-05-22 20:36 2.147.483.648 564dc69f-1751-35ab-ab84-ddf418f653cb.vmem

  2007-11-14 16:08 2.147.483.648 Sagarmatha - Snapshot1.vmem

  2007-11-14 16:08 17,950,284 Sagarmatha - Snapshot1.vmsn

  2009-05-22 17:24 117 797 vmware - 0.log

  2009-04-05 23:58 93 829 vmware - 2.log

  05/05/2009 12:05 AM 88 353 vmware - 1.log

  2009-05-22 20:36 58 738 vmware.log

  04/08/2008 12:43 AM 18 454 Sagarmatha - Snapshot2.vmsn

  2009-05-22 17:24 Sagarmatha.nvram 8 684

  2009-05-22 20:36 Sagarmatha.vmx

  04/08/2008 12:43 AM 1 152 Sagarmatha.vmsd

  2007-11-14 15:18 380 Sagarmatha.vmdk

  2007-10-29 23:03 Sagarmatha.vmxf 291

  I accept that some HD will be consumed a 40 GB VM running, but why some last dates used are more than a year (for example, Sargarmatha - flat hard)?

  What can remove without harming my VM?  I'm glad to get rid of snapshots too, if it would make much difference.  What is the Sagarmatha-000001 and-000002 for?

  I appreciate people looking at it for me, and I look forward to your responses.

  Tim

  Hey, it's your shots that take the place. If you make snapshots, which will free up space, so you come up to about 40 GB (could be patient, it may take awhile loong commit / remove snapshots of this size...). It is not advisable to leave the snapshots for too long (in my business, that the policy is about a week) - one of the reasons is exactly the problem that you have encountered, it is difficult to control disk consumption.

  2009-05-22 20:37 36,399,546,368 Sagarmatha - 000002.vmdk

  2008-09-09 16:29 13,518,700,544 Sagarmatha - 000001.vmdk

  Follow this link for an explanation of the functioning of the snapshots:

  http://VI-tips.blogspot.com/2009/04/how-to-check-size-of-snapshot.html

  /Jakob

• Delete a partition in a virtual machine and expand the initial allocation of hard drive

  I have created a virtual machine running server 2012R2 with an allowance of 60 GB drive. I decided after doing hours of work on the virtual machine I had assigned too little disk space for the virtual machine. I decided that I just go in vSphere and change settings and add to the existing space. The problem is that it has created a new partition rather by increasing the size of the original, which doesn't help me. How can I remove this new partition and just expand the original that has been allocated when I created this virtual machine?

  Thank you

  Hi Paul,.

  Could you clarify what you mean by;

  The problem is that it has created a new partition rather by increasing the size of the original

  (A) do you mean you modified the virtual machine and added a second disc, rather than increase the size of the original? or;

  (B) you increase the size of the original disk and create a new partition in this free space?

  Be that as it may, the question should be simple to solve;

  (A) remove the second disk you don't need, increase the size of the original. Then from the OS Disk Manager, rescan the disks and extend C:\ in free space.

  (B) delete the partition that you don't need. From the OS Disk Manager, expand C:\ in free space.

  See you soon,.

  Jon

• An error occurred during the restoration of the virtual machine

  Hello world

  I pause my vmware and when I try to restore it I have this error

  «An error occurred in restoring the State of the virtual machine files "C:\Users\Asus\Documents\Virtual Machines\Windows Server 2008 R2 x64\Windows Server 2008 R2 x 64 - acc901af.vmss»»

  Thank you

  My suggestion would be to remove the State Suspended (.vmss) of the Virtual Machine file.  Note that the removal of the waking state has the same effect as when you perform a hard reset of the virtual machine, or by pushing the reset button on a physical computer, in that all data in unsaved open applications is lost!  However if the virtual machine resume so I don't see any other choice to try to run the Virtual Machine.