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SharePoint 2010 SP1: new boundaries limits for content databases

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After the SP1 release of SharePoint 2010, product team changes offcially the boundaries limits of SharePoint.

You can consult all this new limits in the "SharePoint Server 2010 capacity management: Software boundaries and limits" page on MSDN here:

https://technet.microsoft.com/en-us/library/cc262787.aspx

One of the most important thing is the new recommandation about the size limit of the content databases:

Limit

Maximum value

Limit type

Notes

Content database size  (general usage scenarios)

200 GB per content database

Supported

We strongly recommended  limiting the size of content databases to 200 GB, except when the  circumstances in the following rows in this table apply.

If you are using Remote BLOB  Storage (RBS), the total volume of remote BLOB storage and metadata in the  content database must not exceed this limit.

Content database size (all  usage scenarios)

4 TB per content database

Supported

Content databases of up to 4  TB are supported when the following requirements are met:

  •   Disk sub-system performance of 0.25 IOPs per GB. 2 IIOPs per GB is recommended for optimal performance.
  •   You must have developed plans for high availability, disaster recovery, future capacity, and performance  testing.

You should also carefully  consider the following factors:

  •   Requirements for backup and  restore may not be met by the native SharePoint Server 2010 backup for  content databases larger than 200 GB. It is recommended to evaluate and test  SharePoint Server 2010 backup and alternative backup solutions to determine  the best solution for your specific environment.
  •   It is strongly recommended to  have proactive skilled administrator management of the SharePoint Server 2010  and SQL Server installations.
  •   The complexity of  customizations and configurations on SharePoint Server 2010 may necessitate  refactoring (or splitting) of data into multiple content databases. Seek  advice from a skilled professional architect and perform testing to determine  the optimum content database size for your implementation. Examples of  complexity may include custom code deployments, use of more than 20 columns  in property promotion, or features listed as not to be used in the over 4 TB  section below.
  •   Refactoring of site  collections allows for scale out of a SharePoint Server 2010 implementation  across multiple content databases. This permits SharePoint Server 2010  implementations to scale indefinitely. This refactoring will be easier and  faster when content databases are less than 200 GB.
  •   It is suggested that for ease  of backup and restore that individual site collections within a content  database be limited to 100 GB. For more information, see Site  collection limits.

For more information on  SharePoint Server 2010 data size planning, see Storage and SQL Server capacity planning and  configuration (SharePoint Server 2010).

   

     Important:

  

  

   

   

Content databases of over 4    TB, except for use in document archive scenarios (described in the row    below), are not recommended. Upgrading of site collections within these    content databases is likely to be very difficult and time consuming.

   

It is strongly recommended    that you scale out across multiple content databases, rather than exceed 4    TB of data in a single content database.