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My working environment - Part 2

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Second post on this subject. This time I will deal with the technical steps involved to build my environment.

Machines setup

Server Core configuration

I will not describe all the steps involved but I will give the commands I used on my Server Core servers to set the general settings of a server when it enters in production.

Add or install drivers

Add to the Driver Store :

PNPUTIL -a %homedrive%\<driver folder>\<driver>.inf

 

 

Add to the driver store and install :

PNPUTIL -i -a %homedrive%\<driver folder>\<driver>.inf

 

Rename a computer

NETDOM RENAMECOMPUTER %COMPUTERNAME% /NEWNAME:TOTO

 

 

netdom command syntax

 

Configure network connections and TCP/IP

Rename a network connection :

NETSH INT SET INT NAME="Local Area Connection" NEWNAME="CorpNet"

 

 

Set an IP v4 address, mask and gateway :

NETSH INT IPV4 SET ADDR NAME="CorpNet" STATIC 192.168.2.3 255.255.255.0 192.168.2.1

 

 

Add another IP v4 address, mask and gateway :

NETSH INT IPV4 SET ADDR NAME="CorpNet" STATIC 192.168.14.3 255.255.255.0 192.168.14.1

 

 

Specify DNS servers :

NETSH INT IPV4 SET DNSSERVER NAME="CorpNet" STATIC 192.168.14.60 BOTH

 

 

Netsh Commands for Wired Local Area Network (LAN)

Netsh Commands for Wireless Local Area Network (WLAN)

 

Join a domain

NETDOM JOIN %COMPUTERNAME% /DOMAIN:dom.local /userD:DOM\User /passwordD:*

 

 

Add a domain user/group to a local group

NETDOM LOCALGROUP Administrators DOM\User /add

 

 

Enable Remote Desktop for administration

CSCRIPT %WINDIR%\System32\scregedit.wsf /ar 0

 

 

Enable Windows Updates

CSCRIPT %WINDIR%\System32\scregedit.wsf /AU 4

 

 

Install Roles and Features

List roles and features :

OCLIST

 

 

Install a role :

START /W OCSETUP FailoverCluster-Core /QUIET /NORESTART

 

 

Uninstall a role :

START /W OCSETUP /UNINSTALL FailoverCluster-Core /QUIET /NORESTART

 

 

Enable remote administration

NETSH ADVFIREWALL SET ALLPROFILES SETTINGS REMOTEMANAGEMENT ENABLE

 

 

iSCSI Initiators configuration

As my cluster runs on Server Core servers, I had to use the CLI provided by the iSCSI components.

Configure the iSCSI service to start automatically :

SC CONFIG MSISCSI START= AUTO

 

 

Start the iSCSI service :

NET START MSISCSI

 

 

Add a iSCSI target portal :

ISCSICLI QADDTARGETPORTAL 192.168.2.2

 

 

List targets available :

ISCSICLI LISTTARGETS

 

You should have something like this as a result :

Microsoft iSCSI Initiator Version 6.0 Build 6000

Targets List: iqn.1991-05.com.microsoft:iscsiserver-s-iscsiclient-target The operation completed successfully.

 

 

 

 

Login to the target available :

ISCSICLI QLOGINTARGET iqn.1991-05.com.microsoft:iscsiserver-s-iscsiclient-target

 

 

Set the previous login persistent while restarting the computer :

ISCSICLI PERSISTENTLOGINTARGET iqn.1991-05.com.microsoft:iscsiserver-s-iscsiclient-target T * * * * * * * * * * * * * * * 0

 

 

Microsoft iSCSI Software Initiator Version 2.07

 

Cluster preparation

Continuing the configuration of the physical cluster under a command prompt I have to use cluster.exe.

First, I had to prepare the quorum disk (which is my disk 1, disk 0 being my system disk) :

C:\diskpart.exe

DISKPART> SELECT DISK1

DISKPART> ONLINE DISK

DISKPART> ATTRIB DISK CLEAR READONLY

DISKPART> CREATE PART PRI

DISKPART> ASSIGN LETTER Q:

DISKPART> FORMAT FS=NTFS LABEL=Quorum QUICK

DISKPART> AUTOMOUNT

DISKPART> DETAIL DISK

Note the DISK ID (if MBR then Disk Signature, if GPT then Disk GUID)

DISKPART> EXIT

 

 

 

 

 

 

 

 

 

 

I created my cluster :

C:\CLUSTER CLUSTER-FC /CREATE

C:\CLUSTER /CLUSTER:CLUSTER-FC RES "Quorum Disk" /CREATE /GROUP:"Cluster Group" /TYPE:"Physical Disk"

C:\CLUSTER /CLUSTER:CLUSTER-FC RES "Quorum Disk" /PRIV DiskSignature=0xA81F6D69

I used the DISK ID I identified in the previous step

C:\CLUSTER /CLUSTER:CLUSTER-FC RES "Quorum Disk" /ON

C:\CLUSTER /CLUSTER:CLUSTER-FC /QUORUM:"Quorum Disk"

 

 

 

 

 

I added the second node of my cluster :

C:\CLUSTER /CLUSTER:CLUSTER-FC /ADDNODE /NODE:NODE2

 

 

To create other resources in my cluster I used the Failover Clustering MMC from my laptop. It was quite easier !

cluster command syntax

 

Hyper-V installation

On my Hyper-V server, I first downloaded the Hyper-V Update for Windows Server 2008 x64 Edition (KB950050) and I ran the following command on my Hyper-V server (which is a Server Core) :

C:\WUSA C:\SRC\KB950050.MSU /QUIET

 

 

Then I installed the role :

C:\START /W OCSETUP Microsoft-Hyper-V

 

 

On my laptop, I downloaded the Hyper-V Remote Management Update for Windows Vista for x64-based Systems (KB952627) and installed it locally.

I was then able to manage my Hyper-V server remotely.

 

Virtual Server 2005 R2 SP1 installation

I first installed all IIS requirements :

  • Web Server
    • Common HTTP features
      • Static Content
      • Default Document
      • Directory Browsing
      • HTTP Errors
    • Application Development
      • CGI
    • Health and Diagnostics
      • HTTP Logging
      • Request Monitor
    • Security
      • Basic Authentication
      • Windows Authentication
      • Digest Authentication
      • Request Filtering
    • Performance
      • Static Content Compression
    • Management Tools
      • IIS Management Console
      • IIS 6 Management Compatibility
        • IIS 6 Metabase Compatibility
        • IIS 6 WMI Compatibility
        • IIS 6 Scriping Tools
        • IIS 6 Management Console

On my Virtual Server server I downloaded the following components and installed them as any other applications :

Note : installing the update requires an elevated Command Prompt

 Release Notes for Virtual Server 2005 R2 SP1

 

DPM 2007 installation

Some hints I used to install DPM 2007 on a Windows Server 2008 :

Manually Install Required Windows Components

Manually Install SQL Server 2005

Installing Protection Agents behind a Firewall

 

SCVMM 2008 installation

Well... I cannot explain how I did... the product is not released yet :-)

 

How did I set up my network ?

In my configuration I use two different physical networks. One is the Corporate Network on which I have no power at all and the second one is dedicated to private communication for my own stuff which consists of iSCSI and virtual machines traffic.

I have to use a separate network because we have strong security policies internally enforced to Windows Firewall and IPSec so I cannot run all scenarios I want on this side. All NICs connected on non-MS network do not suffer from that security and thus allowed me to set up my cluster with iSCSI without any trouble.

Additionally, I want to have two separated subnets on my private network two have an environment with a bit more complexity than a single IP range on a physical network.

Physical subnetting

I have nothing to say about the Corporate Network side. All my physical machines are connected to it and receive IPv4 and IPv6 addresses from the corporate DHCP server.

From the private network side, totally disconnected from the Corporate Network, here are the subnets used :

  • 1 IP subnet for virtual machines hosted on the Hyper-V server
    • Private Network #1 : 192.168.14.0/24
  • 1 IP subnet for virtual machines hosted on the Virtual Server server
    • Private Network #2 : 192.168.15.0/24
  • 1 IP subnet for my physical iSCSI network
    • iSCSI Network #1 : 192.168.12.0/24

In fact IP subnets of Private Network #1 and Private Network #2 are totally logical as they rely on the same network switch. These subnets exist because virtual machines on the Hyper-V server are configured with a 192.168.14.x address and virtual machines on the Virtual Server server are configured with a 192.168.15.x address.

In addition, my HP xw6200 has two IP addresses on the private NIC which are 192.168.14.1 and 192.168.15.1. As I installed the Routing and Remote Access Services role traffic between these two subnets is routed.

 

Virtual subnetting

I have several subnets configured :

  • 1 IP subnet for a primary backbone (on the Hyper-V server)
    • Backbone #1 : 192.168.14.0/24
  • 1 IP subnet for a secondary backbone(on the Virtual Server server)
    • Backbone #2 : 192.168.15.0/24
  • 1 IP subnet for iSCSI traffic (on the Virtual Server server and on the Hyper-V Server)
    • Virtual iSCSI #1 : 192.168.11.0/24
  • 1 IP subnet for iSCSI traffic (on the Hyper-V server)
    • Virtual iSCSI #2 : 192.168.12.0/24
  • 1 IP subnet for clusters' traffic (on the Hyper-V server)
    • Cluster #1 : 192.168.13.0/24
  • 1 IP subnet for clusters' traffic (on the Virtual Server server)
    • Cluster #2 : 192.168.13.0/24

 

All subnets still be logical as they rely on virtual network which reside on only one NIC on each virtualization server.

My HP xw6200 routes traffic as well between 192.168.14.1 and 192.168.15.1 subnets.

A schema to better understand

image

 Routing

To allow routing between my two "backbones", I had to set up RRAS on my HP xw6200.

Routing and Remote Access Service configuration

  1. From Start | Programs | Administrative Tools | Routing and Remote Access
  2. Select the server you want to configure
  3. Menu Action | Configure and Enable Routing and Remote Access
  4. Click on Next
  5. Select Custom configuration and click on Next
  6. Select LAN Routing and click on Next
  7. Click on Finish
  8. Click on Start service

Routing configuration

  1. Select <Servername> | IPv4 | Static routes
  2. Menu Action | New static route…
    1. Interface : select the physical adapter to configure (ex : Private Network)
    2. Destination : IP address of the target network to route to (ex : 192.168.5.0)
    3. Network Mask : second IP subnet mask (ex : 255.255.255.0)
    4. Gateway : IP address of the first IP subnet's gateway (ex : 192.168.6.1)
  3. Click on OK

Apply the same steps for the second IP subnet, you should obtain this configuration :

image

If I had two physical interfaces for my private network, while configuring routing for the second subnet, I should select the second physical interface and repeat the steps.

DHCP Relay configuration

If I had two physical interfaces for my private network I should have to allow PXE broadcast over my two IP subnets to allow PXE traffic. Currently I don't need as broadcasts are on the same physical network.

In the case you have to enable it :

  1. Select <Servername> | IPv4 | General
  2. Menu Action | New Routing Protocol…
  3. Select DHCP Relay Agent and click on OK
  4. Select <Servername> | IPv4 | DHCP Relay Agent
  5. Menu Action | New Interface…
  6. Select the physical adapter which represent the subnet on which reside PXE clients and click twice on OK
  7. Menu Action | New Interface…
  8. Select the physical adapter which represent the subnet where the DHCP and/or WDS servers are located and click twice on OK
  9. Menu Action | Properties
  10. Add IP addresses of the DHCP and/or WDS servers and click on OK

 

Virtual networks configuration ?

I have then to configure some virtual networks on my Hyper-V and Virtual Server servers to make all my virtual machines communicate together.

Hyper-V virtual networks

You should know that Hyper-V provides three types of virtual networks :

  • External which is bound to a physical network adapter and allow communication of virtual machines on a physical network
  • Internal which is a private network between virtual machines and their host
  • Private which is a truly virtual network on which only virtual machines can be bound

I adopted a basic taxonomy for my virtual networks to be able to quickly identify which access a virtual network provides :

  • For External networks : E-[Description]
  • For Internal networks : I-[Description] [IP subnet definition)]
  • For Private networks : P-[Description] [IP subnet definition)]

In my configuration I have this :

image

  • E-CorpNet LAN configuration :
    • Used to attach virtual machines to the Corporate Network

image

  • E-Private LAN configuration :
    • Used to provide communication over my private network to my virtual machines between my Hyper-V and Virtual Server servers

image

There is no specific configuration for the remaining virtual networks as they are Private networks and only used for virtual machines communications :

  • P-Cluster : bound to Windows clusters to assume the private network between nodes
  • P-iSCSI : bound to Windows clusters and some stand-alone servers for the virtual iSCSI network
  • P-LAN : bound to any virtual machines not requiring access to other resources

TechNet library - Hyper-V

Virtual Server virtual networks

The configuration on the Virtual Server is more simple as you can choose only between a virtual network bound to a physical network adapter or a virtual network allowing only guests communication.

  • The following virtual network is bound to the private NIC on the Virtual Server server and is intended to be used for iSCSI traffic to the HP xw6200 which services the iSCSI Software Target Initiator :

 image

  • The following virtual network is also bound to the private NIC on the Virtual Server server and used as a backbone for virtual machines :

image

  • The following virtual network is not bound to any physical NIC on the Virtual Server server and is used as the private network for virtual machines running in a cluster :

image

 

Well, quite a long post. I hope I covered the main points but if I missed some stuff or if you ask for more : let me know !

Next time I'll describe my virtual machines and how I used some technologies to set up virtual machines quickly.

 

To be continued...

 

~ Guillaume

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