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Things to Consider when Creating and Configuring SharePoint Subclients
The following table shows subclient creation and configuration details specific to SharePoint Server iDataAgent.
| Type of Data | Default Subclient created during install of the Agent | Supports Default Subclient | Supports User Defined Subclient | Contents of the default subclient when user-defined subclient is present | Other Types of subclients supported by the Agent | Notes | |
| SharePoint Database Backup Set | SharePoint databases | Yes | Yes | Yes | portion of database(s) not assigned to other subclients, unless otherwise configured* | Do Not Backup | None |
| SharePoint Document Backup Set | SharePoint documents | Yes | Yes | Yes | portion of documents not assigned to other subclients, unless otherwise configured* | None | *See Caution Against Re-configuring Default Subclient Content. |
The following figure shows a simple subclient configuration for a SharePoint Server iDataAgent.
For the SharePoint Database backup sets, the default subclient, when backed up or restored, establishes a logical data channel through which data can travel to or from the backup media.
For the SharePoint Database backup sets, Subclient2 comprises of a user-defined set of data. The default subclient consists of all other data. Each subclient, when it is backed up or restored, establishes a logical data channel through which data can travel to or from the backup media.
For SharePoint Database backup sets, you can schedule the backups of the default subclient and subclient2 either at different times or simultaneously. Splitting the backups into two time periods can be useful if you need to perform backups on a large amount of data around a particularly busy time of network or client utilization.
Once installed, the agent is configured and is therefore able to manage the data or volumes on the client computer. However, you can change certain aspects of the subclient configuration to manage the data in the manner that best suits your needs.
You can view or change the subclient configuration from the Subclient Properties dialog box. The following information can be configured.
You can enable or disable all operations for this CommCell object and all objects below it. For more information, see Activity Control.
You can define the content of the subclient. Most agents include a configure button that displays a dialog where you can add or modify the data included as subclient content. For step-by-step instructions, see Configure Subclient Content.
Several configurable options to efficiently use available resources for transferring data secured by data protection operations are provided in the subclient. This includes the following:
You can enable or disable the encryption of data for transmission over unsecure networks and for storage on media. For more information, see Data Encryption.
You can view the data paths associated with the primary storage policy copy of the selected storage policy or incremental storage policy. You can also modify the data paths for the subclient including their priority. For additional information, see Configuring Alternate Data Paths for Subclients.
You can perform the following functions:
If selected, the backup operation will use an alternate read-only direct access to the SharePoint database to backup objects (e.g., documents, list items) and their metadata. This is applicable for Document backup sets. This feature is not supported for host-named site collections, WSS version 2.0, and SharePoint Server 2003.
When selected or deselected, the next backup that is run will be a Full backup. Requires installing specifically Microsoft SQL Server Native Client 2005/2008/2008 R2 Native Client (depending on SQL Server version) on Front-End Web Server - see http://technet.microsoft.com/en-us/library/ms131321.aspx for more information. For step-by-step instructions, see Use Direct Database Access.
You can add, modify or view Pre/Post processes for the subclient. These are batch files or shell scripts that you can run before or after certain job phases. For more information, see Pre/Post Processes.
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Even if the Local System Account is selected as the account to run the Pre/Post processes, the account that actually will be used is the SharePoint Administrator Account for the site in which the SharePoint Server resides. This account was configured during installation and can be changed in Agent Properties. See SharePoint Agents in User Accounts and Passwords for more information on this account. |
You can associate the subclient to a storage policy. For more information, see Storage Policies.
You can rename a subclient. For step-by-step instructions, see Rename a Subclient.
You can define an account with permissions to execute Pre/Post commands for the agent's archive, backup, or volume creation jobs.
See SharePoint Agents: Other User Accounts in User Accounts and Passwords for more information.
If selected for a backup, the restore operation will be able to restore individual documents into the database directly. This is applicable for documents of a Document backup set. For version-enabled libraries, the document will be restored as the same version when restored at an item level. When restoring the files directly into the database, the IDs of the files will remain the same and will not change. This is supported for traditional backups and for backups with Use Direct Database Access option enabled. For step-by-step instructions, see Use Direct Access to Restore Selected Entities.
You can perform the following functions:
For more information, see User Administration and Security.
The Security tab is not available for the SharePoint Server iDataAgent.
When creating and configuring subclients for SharePoint Server iDataAgents, keep in mind the following considerations:
We recommend that you do not re-configure the content of a default subclient because this would disable its capability to serve as "catch-all" entity for client data. As a result, the likelihood that some data will not get backed up or scanned for archiving would increase.
Subclient Content when Different Versions of SharePoint Servers Co-exist
For SharePoint Database backup sets:
Create an additional Database type backup set to backup SharePoint Database components for other version.
For SharePoint Document backup sets: