Physical machines VS Virtual machines for SCOM system

Hi all,
We are about to build SCOM system which will host around 80 hosts in the beginning but it may grows up to a thousand or more hosts. We are debating whether to use virtual machines or physical machines for that purpose. So far all SCOM systems (management
servers,DB,DW) I have dealt with are hosted on physical machines.
Can anyone provide advice based on experience regarding this issue?

Microsoft supports running all System Center 2012 – Operations Manager server features in any physical or virtual environment that meets the minimum requirements that are stated in this document. However, for performance reasons, we recommend
that you store the operational database and data warehouse database on a directly attached physical hard drive, and not on a virtual disk. Specifically, virtual computers that are running any Operations Manager server feature must not use
any functionality that does not immediately commit all activity on the virtual computer to the virtual hard drive. This includes making use of point-in-time snapshots and writing changes to a temporary virtual hard drive. This is true for every virtualization
technology that is used with Operations Manager.
You can work on SCOM virtualization and it will supported your agent but
operational database and data warehouse database on a directly attached physical hard drive, and not on a virtual disk
For more details, you can refer to below
http://technet.microsoft.com/en-us/library/jj656649.aspx#BKMK_Virtualization
http://blogs.technet.com/b/momteam/archive/2012/04/02/operations-manager-2012-sizing-helper-tool.aspx
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Using 802.1x and 2 hosts (one physical and one virtual) on the same port

Hello,
We trying to utilize the following scenario:
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Virtual machines within each of the physical machines: For Windows, the VMs will be Windows 7 VMs running within VM Workstation. For Macs, users will be running Windows 7 VMs within Fusion.
802.1x set for multi-host
Using 802.1x, we have a guest network that places the user's physical machine in once it fails authentication. The virtual machine runs the corporate image, and we'd like to have this VM connected to our corporate VLAN.
We have been running into this scenario though:
1.     User plugs his BYOD laptop from into the network. His laptop gets attached to the guest network because it fails the 802.1x check.
2.      The VM is powered on. It successfully is connected to the corporate network.
3.      Now, the user unplugs his network cable from his host machine and waits 10 seconds.
4.      He then re-plugs the network cable to his host machine.
5.      The VM is the first to authenticate to the 802.1x network and it gains access to the corporate network.
       6.      Due to the VM being the first to authenticate on 802.1x, the host network connection piggybacks off of the VM, and therefore the host gains access to the corporate network
Obviously this represents a no-go if the user's BYOD computer is able to access the corporate network. Is there is any specific way that 802.1x can be configured to prevent this from happening?
Thanks,
Mooge

Multi-Host is not the right option for you. In this Multi-Host only one device has to successfully authenticate to authenticate all device on that port.
You need to set host-mode to "multi-auth"

FYI Update Rollup 3 for Microsoft System Center 2012 R2 - Virtual Machine Manager (KB2965413) Stops SCVMM service starting

I just applied update:
Update Rollup 3 for Microsoft System Center 2012 R2 - Virtual Machine Manager (KB2965413)
and (KB2965414) but it failed to install.
After a reboot I could not login to the VMM and the service would not start
An event id 0 was reported with:
Service cannot be started. System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.
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   at System.Reflection.RuntimeModule.GetTypes()
   at System.Reflection.Assembly.GetTypes()
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   at Microsoft.VirtualManager.Remoting.IndigoSerializableObject.InitializeKnownTypesCache(List`1 assembliesToExamine)
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After I removed the update the VMM was able to start, no reboot required.
When I have time I will try to apply both updates again successfully and see if the issue still occurs.
Vista Ultimate Dell XPS M1330

FYI. I've had the same issue after I installed Update Rollup 3 (KB2965413), seeing the exact same error on event log. Tried to start the service manually, getting service unable to start error. This is a machine running
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How to convert a physical machine to virtual machine ?

Hi,
I'm confortable with Xen that I use for years, but with Oracle VM, there are some points that would need more explanation.
Here is what I already did :
- Create a disk file image, and make a filesystem on it. (with dd and mkfs.ext3)
- Copy all the content of my physical machine to the virtual disk image. (rsync -a)
- Create a vm.cfg file.
My problems :
- OVS use to create virtual disk image instead of virtual partition image. I don't know how to manage this. I'm using the image OVM_EL5U1_X86_64_PVM_10GB to understand how oracle encapsulated the /boot partition, the / and the swap within the same file that contains a partition table, 2 partitions : the first is the /boot, the second is a lvm pv. With lvm, they created 2 volumes : the / and the swap.
Where can I get a clear howto to use losetup and set the correct offset in order to be able to mount the partition or to activate the lvm ?
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Regards,

Hi,
I'm confortable with Xen that I use for years, but
with Oracle VM, there are some points that would need
more explanation.
Here is what I already did :
- Create a disk file image, and make a filesystem on
it. (with dd and mkfs.ext3)
- Copy all the content of my physical machine to the
virtual disk image. (rsync -a)
- Create a vm.cfg file.
My problems :
- OVS use to create virtual disk image instead of
virtual partition image. I don't know how to manage
this. I'm using the image OVM_EL5U1_X86_64_PVM_10GB
to understand how oracle encapsulated the /boot
partition, the / and the swap within the same file
that contains a partition table, 2 partitions : the
first is the /boot, the second is a lvm pv. With lvm,
they created 2 volumes : the / and the swap.
Where can I get a clear howto to use losetup and set
the correct offset in order to be able to mount the
partition or to activate the lvm ?fdisk -ul OS.imghttp://wiki.edseek.com/guide:mount_loopback
above link may give you some idea about how to calculate the offset.
sample command,
fdisk -ul OS.img
losetup -f #get the next available loop device
losetup -o $((512*208845)) /dev/loop2 OS.img
pvscan
lvscan
vgchange -a y VolGroup00
mount /dev/VolGroup00/LogVol00 root
>
- I'm not familiar with pygrub. This looks very nice
script, but I don't know why it doesn't work with my
basic images. Is it necessary to have a /boot
partition within the image file ?pygrub used the kernel inside the vm image. so it is necessary to have the kernel available inside the vm. but the good old way still works, if you replace the "bootloader" line with "kernel"/"ramdisk" lines.
>
Regards,

Solaris 10 virtual machine for VMware

I've tried the "Solaris 10 OS, AMD x64 Platform - Solaris Enterprise System Virtual Machine for VMware (Solaris 10 11/06) 3.0". I've d/l the virtual appliance for vmware one can find from there : http://developers.sun.com/solaris/downloads/solaris_apps/index.jsp#vmware
I encountered 2 problems :
The first was the network (netcard) wasn't recognised at all. It's strange because the settings should be the same for every vmware virtual machines. It may be because I'm running the latest version from vmware (10.0.2). The default option was NAT, and I tried the others as well. All other systems I'm using with vmware are working correctly, including the opensolaris "Nexenta".
The second one was with the screen resolution, it was excessively huge, around 2800 x 2000. I couldn't change it in the gnome desktop (the option had no effect). I managed to change it by altering the /etc/X11/xorg.conf file. The same was for the keyboard settings, I couldn't switch to azerty (french) keyboard. I had to change it in xorg.conf file.

im new to vmware too, but just wan to share my experience with you.
5.5.1 vmware workstation with vmtool installed.
- my NIC still define as pcn0, encountered packet drop network issue
- dtlogin doesn't work properly with my screen resulation, mouse work fine without pressing ctrl+alt key to get out from vmware
6.0 vmware workstation with vmtool installed.
- no more packet drop issue, especially when i ssh from pc to vmware.
- gdm fit to screen, GUI work fine.
- my shared folder working now, mount as /hgfs.
# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
vmxnet0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
inet 192.168.1.6 netmask ffffff00 broadcast 192.168.1.255
ether 0:c:29:75:2:f0
# cat /etc/release
Solaris 10 11/06 s10x_u3wos_10 X86
Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
Use is subject to license terms.
Assembled 14 November 2006
Section "Device"
Identifier "VMware SVGA"
Driver "vmware"
EndSection
Section "Screen"
Identifier "Screen 1"
Device "VMware SVGA"
Monitor "vmware"
Section "Monitor"
Identifier "vmware"
VendorName "VMware, Inc"
HorizSync 1-10000
VertRefresh 1-10000
EndSection
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root 474 1 0 May 24 ? 10:43 /usr/sbin/vmware-guestd --background /var/run/vmware-guestd.pid
root 446 1 0 May 24 ? 0:22 /usr/sbin/vmware-memctld --background /var/run/vmware-memctld.pid
root 5663 1 1 08:05:32 ? 1:12 /usr/lib/vmware-tools/bin/i86/vmware-user -blockFd 3
# modinfo| grep vm
131 f9e15000 43c0 207 1 vmxnet (VMware Ethernet Adapter b45731)
198 fa03d000 1a00 208 1 vmmemctl (VMware Memory Control b45731)
199 fa03f000 69b8 209 1 vmhgfs (HGFS Device Interface)
199 fa03f000 69b8 23 1 vmhgfs (Host/Guest Filesystem)
223 fea63ffc 1744 25 1 vmblock (VMBlock File system)

Do I need to configure any settings of Virtual Machine for 64bit guests?

I have installed VirtualBox on a Windows 2008 R2 64bit machine which has Intel Xeon E5506 processor.
Now, I have started to create Virtual Machine for:
1. Oracle Linux Release 5 Update 7 for x86 64 (64 bit)
2. Windows 2008 R2 64bit
I think I need to enable VT-x in BIOS but how about Execute Disable Bit?
Acccording to the VirtualBox User Manual, VirtualBox will automatically use the correct settings for each selected 64-bit operating system type. However, I don't see any setting to specify whether I will install 32bit or 64bit OS. When I check the setting Enable IO APIC, it is not checked. My understanding is that setting must be enabled for any 64bit guests. Does VirtualBox use the correct settings including Enable IO APIC when I actually install the OS not before that?
Thanks for any help.
Peter

Hello Todd/Venkat/Tuxedo Experts,
I wanted to clarify the part that says: "You will also need to add the WSL to the UBBCONFIG file and recompile UBBCONFIG."
I am guessing this means adding a WSL entry in UBBCONFIG file of Tuxedo Server since (I have been told in Venkat's post that) UBBCONFIG/tuxconfig file is not required on client side of tuxedo. Am I right in saying that client will have no UBBCONFIG and tuxconfig, while server UBBCONFIG has to have appropriate WSL entry?
Btw, if I look at the ubbconfig of simpapp, it has no WSL entry. It does have the following server details though:
==============================
DOMAINID simpapp
MASTER DevnonAOMapp
DevnonAOMapp LMID=DevnonAOMapp
*GROUPS
GROUP1
LMID=DevnonAOMapp GRPNO=1 OPENINFO=NONE
*SERVERS
DEFAULT:
CLOPT="-A"
simpserv SRVGRP=GROUP1 SRVID=1
*SERVICES
TOUPPER
==============================
Where will the WSL entry fit and what would it look like?
Thanks & Regards,
Ahsan

Installing Pre-built Virtual Machine for Oracle WebCenter Portal error

Hi,
I am trying to install the Pre-built Virtual Machine for Oracle WebCenter Portal: Framework 11gR1 (11.1.1.4.0) onto a Laptop (500G HDD 8G Ram) running Windows 7 to learn.
http://www.oracle.com/technetwork/middleware/webcenter/portal/downloads/owcs-portalfw-vbox-284132.html
I want to run in a VirtualBox Linux setup etc.
I have downloaded all the files except the REAVDD-HOL-WC.ovf which would not download so I saved in browser to the same directory etc.
I have set the preferences in Virtual Box to the same directory where I have downloaded the files to but when I Import Applicance and select C:\users\Tony\Virtual Box VMs and select the defaults and import I get an error box stating:
Failed to import appliance C:\Users\Tony\VirtualBox VMs\REAVDD-HOL-WC.ovf.
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VD: error VERR_ACCESS_DENIED opening image file 'C:\Users\Tony\VirtualBox VMs\REAVDD-HOL-WC-disk1.vmdk' (VERR_ACCESS_DENIED).
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Component: Appliance
Interface: IAppliance {3059cf9e-25c7-4f0b-9fa5-3c42e441670b}
Anybody got any idea how to fix this?
Thanks
Tony
Edited by: 880197 on 19-Aug-2011 03:08
Edited by: 880197 on 19-Aug-2011 03:44

I've imported this appliance (and others) on Windows 7 32-bit on a Lenovo W500, on an iMac, and on a MacBook. The one error you should encounter during the "import appliance" step is a path error related to shared folder (the canned/hard-coded path in the ovf file points to a place that is not likely to exist on your computer, so just comment out the D:\TEMP\Host path, or make it for that matter).



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hi,
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http://www.oracle.com/us/corporate/pricing/partitioning-070609.pdf
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Oracle XE on multiple virtual machines on the same physical machine?
thanks

I thought until I just checked that this was a clear cut no in that it specifies 'a single server'. Now I'm not sure as 'server' is an amibuous term. I at least know that as soon as you start giving developers access to theor own XE instance for dev/testing that there are many VM environments where you can't really know what physical macine your VM is running on to actually be able to tell if you had multiple XE instances running on a single 'Physical' server. I'm not sure the question has been answered by Oracle though.

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Currently the application is on physical machine. We are planning to migrate it to virtual machine.
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Thanks

Hi,
We've never had problems with multi-server VMWare deployments but just recently hit problems running WCI 10.3.0.1 onto Virtual Server 2005 in 2-virtual-server deployment.
Whenever we started the Analytics, Collab and Notification services, all connectivity (inc ping) between the virtual servers dropped out after a few mins. Connectivity to the external network was maintained and the virtual network was fine without the portal services running. CPU and memory usage was ok on both servers. Stopping these services re-established connectivity.
We've raised a support issue with Oracle who told us that 10.3.0.1 was not proven to work on Virtual Server 2005. Unfortunately we could not pin down the cause and as it was only for Dev we're running all portal services on a single Virtual Server as a workaround.
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Adam

Virtual Copy of Physical Machine MS Server 2008 R2 Standard Genuine issue

I have created a cirtual copy of a physical machine to conduct software upgrade testing in a SCADA system.
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How can I get this copy genuine?

Several vendors still have OEM versions for sale. If you can get your testing done inside of 180 days then evaluation version may work.
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Regards, Dave Patrick ....
Microsoft Certified Professional
Microsoft MVP [Windows]
Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.

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thanks for the response
I guess I will have to do that as well.
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Physical machines VS Virtual machines for SCOM system

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