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Backing Up the Windows Server 2008 R2 Environment : Windows Server Backup Overview & Using Windows Server Backup

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5/17/2011 4:41:35 PM

Windows Server Backup Overview

Windows Server 2008 R2 contains a built-in powerful backup program appropriately named Windows Server Backup. Windows Server Backup is installed as a system feature and it allows administrators to back up and restore system, file, folder, and application data for Windows Server 2008 R2 systems.

Windows Server Backup includes a graphical user interface (GUI) MMC snap-in, as well as a very functional command-line utility. Windows Server Backup includes a few new functions but also has new restrictions. Windows Server Backup replaces the previous version of backup included with Windows Server 2003 and earlier Windows operating systems, known as Ntbackup, but the features and functions are much different.

Backup Storage Support and Media Management

Windows Server Backup allows administrators to back up to locally attached disks, network shares, and DVD writable media. Tape devices are not supported by Windows Server Backup, and to back up to DVD media, the system requires a local writable DVD drive.

Using Ntbackup.exe in previous versions of Windows Server editions, media management was one of the biggest challenges administrators faced. Tape media needed to be prelabeled if any logical media management was required for backups. Also, if disk-based file backups were used, the file could end up filling up the server disk if the media was configured to append instead of overwrite when new backups were performed. The other option for backup media was to overwrite the media when a backup was run, but that also relabeled the media and any stickers on the tape would no longer match. Media management was possible, but just very tedious.

Windows Server Backup greatly improves media management by taking full control of the media, including labeling, efficiently storing data, cataloging the backup media, and managing the free disk space. Performing backups using remote server shares or local volumes as backup destinations has the risk of filling up the destination volume. When local disks are dedicated for Windows Server Backup and the utilized disk space is nearing capacity, the backup system will overwrite the oldest backup data on the disk to keep the disk from filling and to keep the backup job from failing.

External Disks

Windows Server Backup supports backup data to be stored on locally attached disks and writable DVD media located in local writable DVD drives. Locally attached disks include internal disk drives, hot-swappable disk drives, and drives externally connected via USB 2.0 or IEEE 1394 interfaces. Also, SAN-attached disks can be used as backup destinations. Storing backups on SAN storage enables faster rotation or replication of backup disks volumes to other SAN storage without impacting Windows system performance.

CD/DVD Writer Drives

Windows Server 2008 R2 contains many features that can take advantage of DVD writer drives. These include the Windows Server Backup feature to capture backups to DVD and Windows Deployment Services, which can be used to create boot, capture, and discover images on DVD media. With regard to Windows Server Backup, a manual backup can be created to contain a volume or entire system backup, and might span multiple DVDs. This can be a valuable option as data from remote servers can be synchronized across the network using Distributed File System Replication, but creating a full system backup across a WAN link usually is not an option. Branch office administrators can be tasked with creating full system DVD backups monthly, quarterly, or more frequently to provide full system recovery options, and the media can easily be copied, archived, and shipped to offsite storage locations or to a central office.

Remote Shared Folder and Folder on Local Volume

Shares on remote servers or folders on local volumes can be designated as backup targets for manual and scheduled backup jobs. Designating a remote shared folder allows an administrator to create a backup not stored on media physically mounted in the system, and also allows for the backup of multiple servers to be stored on a central server. Choosing to back up using a folder on a local volume removes the restriction of having to dedicate an entire volume for backup usage. There are two very important catches to be aware of when using remote shared folders and folders on local volumes:

  • When using a remote shared folder, only one copy of the backup can be stored within the folder, and each backup will perform a full overwrite backup.

  • When a folder on a local volume is selected as a backup destination, the performance of that volume will be severely impacted during backup, which could cause poor system performance if any user data is stored and accessed on the same volume.

Tape Devices

Tape devices are not supported in Windows Server Backup. Administrators who want to back up data to tape will require Microsoft System Center Data Protection Manager or third-party backup applications, or they will be forced to create manual backups to disk and then copy the data to tape drives.

Backup Media Files

In the previous backup application, Ntbackup.exe, backup data stored on disks was stored in a single file with a .bkf extension. This file contained the data as well as the catalog and could easily be moved and mounted in an Ntbackup.exe console on any server on the network. Windows Server Backup stores system backup data in a folder named WindowsImageBackup. Beneath this folder is subfolder named after the server that was backed up. Included in the server folder is a set of Extensible Markup Language (XML) files that detail the backup history, catalog, and system configuration details of the media. Also included in the server folder are one or more virtual hard disk (VHD) files. The VHD files are close to exact duplicates of the backed-up server volumes.

The VHD file can quickly be added and viewed in a virtual machine, so protecting the backup folders is critical to server security.

Note

Windows Server Backup does not encrypt the backup data stored on DVDs or disks. Administrators should take all precautions to ensure that any disks, DVD media, or remote server shares that store backup data are secured with NTFS permissions on remote shares and physically secure on disks and DVDs.


Backup Options

Windows Server 2008 R2 has made creating and managing backups simple within the Windows Server Backup interfaces. Using the GUI-based console, the Wbadmin command-line utility, or through PowerShell cmdlets, backups can be run to protect disk volumes, full systems, the System State only, or set to back up just individual files and folders. In addition, specific files and folders can be excluded from a backup.

Manual Backup Options

Windows Server Backup allows for backups to be created on a recurring schedule or manually using the Backup Once option available in the Windows Server Backup console. Manual backups can be stored on local disks, burned to DVD media, or stored on remote shares. Manual backups on remote shares can be used for complete PC restore operations if the system to be recovered can access the network location during the restore operation.

Scheduled Backup Options

Scheduled backup operations allow administrators to create a backup schedule that adds backup automation to a Windows Server 2008 R2 system. Scheduled backups can be configured to run once a day or multiple times per day to provide the required level of recoverability.

Windows Server Backup MMC Snap-In

The Windows Server Backup feature includes a Microsoft Management Console snap-in. The file is named wbadmin.msc and is available from the Administrative Tools menu. Most backup-related tasks can be performed using this console, including creating backups, reviewing backup history, and restoring data.

The Windows Server Backup snap-in can be used to connect and manage backups on remote Windows Server 2008 R2 systems with the Windows Server Backup feature installed.

Windows Backup Command-Line Utility

All editions of Windows Server 2008 R2 include the option of installing the Windows Server Backup feature’s command-line tools. The primarily utility included is wbadmin.exe, which provides more granular control of backup- and recovery-related tasks. As more and more administration of Windows systems moves back into the shell or command prompt environment, this utility will provide administrators with the functions they require to manage backups within this environment. Wbadmin provides the ability for administrators to start backups and recoveries of systems, get information, and configure new backup storage and schedule backup policies.

Windows Server Backup PowerShell Cmdlets

Windows Server 2008 R2 includes several PowerShell cmdlets for managing Windows Server Backup. The PowerShell cmdlets are installed with the Windows Server Backup feature command-line tools option. Unlike wbadmin.exe, PowerShell cmdlets for Windows Server Backup provide much more flexibility when managing remote systems. Most command-line executable files are being removed and replaced with PowerShell cmdlets, and administrators should consider this when creating and documenting backup and recovery tasks. One function that is not included in the current set of cmdlets is the ability to perform data recovery. This still needs to be performed using the MMC snap-in or the wbadmin.exe command-line utility.

Using Windows Server Backup

When an organization decides to use Windows Server Backup, the type of backup and the storage media for the backups must be determined. For example, if scheduled backups will be used, an organization will need to determine the correct storage destination for their Windows Server 2008 R2 backups as each destination has its own set of requirements and implications that should be understood and considered.

Installing Windows Server Backup

Although the Windows Server Backup console is listed in Administrative Tools, the Windows Server Backup feature still needs to be installed. The easiest way to install the Windows Backup tools is to use the Add Features function within Server Manager. Of course, for Server Core deployments, installing using PowerShell is preferred.

Installing Windows Server Backup Using Server Manager

On every edition of Windows Server 2008 R2, except for Server Core installations, the Windows Server Backup feature can be installed using Server Manager. To install the Windows Server Backup feature, perform the following steps:

1.
Log on to the Windows Server 2008 R2 system with an account with administrator privileges.

2.
Click Start, click All Programs, click Administrative Tools, and select Server Manager.

3.
In the tree pane, select the Features node, and select the Add Features link in the tasks pane.

4.
When the Add Features Wizard opens, scroll down and click on the plus sign next to Windows Server Backup Features. Check both boxes to ensure that the command-line tools are also selected, as shown in Figure 1. Click Next to continue.

Figure 1. Selecting the Windows Server Backup features.

5.
On the Confirm Installation Selections page, review the summary, and click Install to continue.

6.
On the Installation Results page, review the results, and click Close to complete the installation.

Installing Windows Server Backup Using Windows PowerShell ServerManager Module

In many cases, administrators might choose to use the Windows PowerShell environment to manage a server and as a preference when installing roles, role services, or features. When a particular feature or role is installed using the Windows PowerShell ServerManager module, all features, role services, and role dependencies are also added. To install the Windows Server Backup features, including the Windows Server Backup PowerShell cmdlets using Windows PowerShell, perform the following steps:

1.
Log on to the Windows Server 2008 R2 system with an account with administrator privileges.

2.
Click Start, click All Programs, click Accessories, and click the Windows PowerShell folder to reveal the application shortcuts.

3.
Right-click Windows PowerShell and select Run As Administrator. If a User Account Control window opens, click Continue to open the PowerShell window.

4.
Type cd \ and press Enter.

5.
Type Import-Module ServerManager and press Enter.

6.
Type Add-WindowsFeature Backup-Tools and press Enter. After the installation completes, the results will be listed in the window, as shown in Figure 2.

Figure 2. Installing Windows Server Backup using Windows PowerShell.

7.
Type Get-WindowsFeature |More and press Enter to get a list of the installed roles, role services, and features. Review the list to verify that Windows Server Backup and Windows Server Backup command-line tools are now installed.

8.
Type exit in the PowerShell window and press Enter.

Installing Windows Server Backup on Server Core Installations

On a Windows Server 2008 R2 Server Core deployment, if the Windows Server Backup feature is not installed, it can be installed by performing the following steps:

1.
Log on to the Windows Server 2008 R2 Server Core system with an account with administrator privileges.

2.
In the Command Prompt window, type cd \ and press Enter.

3.
Type in Start /w ocsetup.exe WindowsServerBackup and press Enter.

4.
Log on to a different Windows Server 2008 R2, Enterprise Edition system with an account with administrator privileges on the local system as well as the Server Core system. It is assumed that both systems are part of the same domain and the Server Core system can access other resources on the network from the Server Core system.

5.
Click Start, click All Programs, click Administrative Tools, and select Windows Server Backup.

6.
In the Actions pane, click the Connect to Another Computer link.

7.
In the Computer Chooser window, select the Another Computer option button, type in the name of the Server Core system, and click OK.

8.
If you can connect to the Server Core system, the installation is successful. If the connection fails, either the Server Core firewall is preventing connectivity or Windows Server Backup has not been installed. Troubleshoot as necessary.

Scheduling a Backup Using Windows Server Backup and Allocating Disks

After Windows Server Backup has been installed, no backups will be automatically scheduled. The fastest way to get a backup configured and define any dedicated disks for backups is to run the Backup Schedule Wizard. This wizard enables administrators to not only select and exclude which backup items will be contained within a backup, but it also allows the administrator to configure a recurring backup schedule and allocate a dedicated disk for scheduled backups if used. One thing to keep in mind is that if the configuration will support backing up to multiple dedicated disks, to provide some level of backup media rotation, it is recommended that all of the disks be available during the running of the wizard.

When dedicated disks will be used for Windows Server Backup jobs, these disks will be erased, reformatted, and from there on, assigned and managed by Windows Server Backup. The disk allocation process will create a single NTFS formatted volume that spans the entire disk and will set the disk volume label to include the server name, the date and time the disk is allocated, and the disk number for each disk. For example, if disk 1 is assigned to the backup of SERVER10 on October 8, 2009 at 6:10 p.m., the label will be SERVER10 2009_10_08 18:10 DISK_01. To allocate disks for Windows Server Backup, perform the following steps:

1.
Log on to the Windows Server 2008 R2 system with an account with administrator privileges.

2.
Click Start, click All Programs, click Administrative Tools, and select Windows Server Backup.

3.
In the Actions pane, click on the Backup Schedule link to start the Backup Schedule Wizard. Selecting the Backup Schedule link is the only way multiple disks can be allocated to Windows Server Backup in one process.

4.
Click Next on the Getting Started page.

5.
Select the Full Server (Recommended) option button, and click Next to continue.

6.
On the Specify Backup Time page, select the time to run the scheduled backup from the Once a Day or the More Than Once a Day selections, and click Next to continue. Figure 3 details a backup that will run every day at 9:00 p.m.

Figure 3. Setting the scheduled backup to run every day at 9:00 p.m.

7.
On the Specify Destination Type page, select the Back Up to a Hard Disk That Is Dedicated for Backups (Recommended) option button and click Next. On this page, a backup to a nonsystem volume or a shared network folder could have been selected. When utilizing volumes for backup, performance might be degraded severely during an active backup process if the disk hosting the backup volume is also used to store production data. Storing scheduled backups on a shared network folder results in backups being overwritten during each backup cycle.

8.
Because we selected to use dedicated backup disks, the next page is the Select Destination Disk page. Click the Show All Available Disks button to select the desired disks.

9.
In the Show All Available Disks window, check each of the disks that will be dedicated to the scheduled backup, and click OK to save the settings, as shown in Figure 4.

Figure 4. Selecting local disks to be used for scheduled backups.


Note

When multiple disks are assigned to a single scheduled backup, any of the disks will be used and that is not in the control of the administrator. If a disk is removed for offsite storage, the remaining disks will be used for the next scheduled backup.

10.
Back on the Select Destination Disk page, check all of the disks that have been added, and click Next to continue.

11.
A Windows Server Backup warning window opens requiring confirmation that the selected disks will be reformatted and used by Windows Server Backup exclusively; click Yes to assign the disks for backup.

12.
On the Confirmation page, verify the settings, and click Finish to save the new scheduled backup and backup settings and to reformat and label each of the assigned disks.

13.
On the Summary page, review the results, and click Close to complete the process.

Creating a scheduled backup using Windows Server Backup enables an administrator to automate the backup process, and with the backup and VSS managing the dedicated disks, the administrator only needs to verify that backups have been run successfully.

Manually Running a Scheduled Backup

After the scheduled backup is created for a server, an administrator can let the backup run as scheduled or the backup can be run manually using the Backup Once link. To manually run a scheduled backup, simply use the Backup Once link and select the Scheduled Backup Options option button on the Backup Options page. Click Next and click Backup on the Confirmation page to start the backup. One important point to note is that if multiple disks are allocated to a scheduled backup, running a manual backup does not allow the administrator to select which disk to use. The only way to control which disk is used for scheduled backup is to either remove all the other allocated disks from the system or mark the disks as offline using Disk Management or Diskpart.exe.

Running a Backup to a Shared Network Folder

Starting with Windows Server 2008 R2, both manual and scheduled backups can use dedicated backup disks, a specific folder on a local volume, or a shared network folder as a backup destination. When a shared network folder is chosen as the backup destination, a system administrator can store full backups on alternate locations to allow for different recovery scenarios. Also, something important to consider is that if a dedicated disk or specific folder on a local volume is selected, this offers no automated offsite backup. Using a shared network folder can enable offsite backup if the destination system is located in a remote data center, and the backup window and bandwidth between the sites can tolerate the over the wire network backup. To select a shared network folder as a backup destination for a manual backup as an example, perform the following steps:

1.
Log on to the Windows Server 2008 R2 system with an account with administrator privileges.

2.
Click Start, click All Programs, click Administrative Tools, and select Windows Server Backup.

3.
In the Actions pane, click on the Backup Once link to start the Backup Once Wizard.

4.
On the Select Backup Configuration page, select either the Full Server (Recommended) option button to back up all of the drives on the Windows Server 2008 R2 system, including the System State, or select the Custom option button to select specific volumes and include or exclude certain files, folders, or backup items. For this example, select Full Server (Recommended), and click Next.

5.
On the Specify Destination Type page, select Remote Shared Folder, and click Next, as shown in Figure 5.

Figure 5. Selecting to store the backup on a remote shared folder.

6.
On the Specify Remote Folder page, type in the UNC path of the remote server share, and select the Do Not Inherit option button to set the permissions on the destination folder that will be created and will store the backup.

7.
Click Next on the Specify Remote Folder page. A window might open, asking for credentials to use when connecting to the share. Enter the appropriate username and password that can create subfolders and write to the share, and click OK.

Note

If a remote folder is specified as the backup destination, ensure that the folder does not already contain a WindowsImageBackup folder as the permissions might be overwritten by the new backup. If the permissions are not a worry and will remain as is, selecting the Inherit option button on the Specify Remote Folder page is preferred.

8.
On the Confirmation page, review the settings and click Backup to start the manual backup.

9.
On the Backup Progress page, the progress can be viewed in real time, or the Close button can be clicked and the progress can be tracked in the tasks pane back in the Windows Server Backup console. Click Close when the backup completes.

Storing a Backup on DVD

On a Windows Server 2008 R2 system with a local DVD writer drive, backups can be directed to a DVD for storage. Backups stored on DVD media can be used to restore the entire system or entire volumes; files and folders or any other granular restores cannot be performed using a DVD backup media.

When an administrator has a DVD backup of a system, it can be used to restore the entire system, but the Windows Server 2008 R2 bootable installation media must also be available. With a DVD backup, additional steps and documentation will be required to restore a system from a failed state back into operation. As a best practice, whenever a system contains a DVD writer drive, create a full system backup to DVD upon initial server deployment and when disks are changed, and create DVD backups regularly.

To create a backup on DVD media, perform the following steps:

1.
Log on to the Windows Server 2008 R2 system with an account with administrator privileges.

2.
Click Start, click All Programs, click Administrative Tools, and select Windows Server Backup.

3.
In the Actions pane, click on the Backup Once link to start the Backup Once Wizard.

4.
When the Backup Once Wizard opens, select the Different Options option button, and click Next. Running a manual backup and selecting the Different Options option is the only way to store a backup on DVD.

5.
On the Select Backup Configuration page, select either the Full Server (Recommended) option button to back up all of the drives on the Windows Server 2008 R2 system or select the Custom option button to select specific volumes, files, folders, or other backup items. For this example, select Full Server (Recommended), and click Next.

6.
On the Specify Destination Type page, select the Local Drives option button, and click Next.

7.
On the Backup Destination page, select the DVD drive from the pull-down menu, check the Verify After Writing (Recommended) check box, and click Next.

8.
On the Confirmation page, review the settings and click Backup to start the manual backup to DVD.

9.
On the Backup Progress page, a shadow copy of the volumes is created first. After the shadow copy is created, a window opens prompting the administrator to insert a labeled DVD in the drive. Label the DVD with the name presented in the window; then insert the blank DVD and click OK to continue.

10.
If additional DVDs are required, label them and place them in the drive as prompted.

11.
Overall backup progress should be viewed in real time, and the window can be closed after the backup completes.


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