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information about Remote BLOB Storage in SharePoint

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RBS in SharePoint

  1. 1. RBS in SharePoint
  2. 2. Introduction to BLOBs • BLOB = Binary Large Object • Large block of data stored in a database that is known by its size and location instead of by its structure • For example a Office document or a video file • By default, BLOBs are stored directly in the SharePoint content database • 90% of a typical content database is made up of BLOBs • BLOBs can be very large • From < 1 MB to 2 GB • New copy is stored for each version • BLOBs can be problematic on a SharePoint database • Specially for files > 1 MB • Data can consume lots of space and uses server resources that are optimized for database access patterns • Also does not help in DB fragmentation • It might be better to store BLOBs outside the content database
  3. 3. RBS in SharePoint • RBS is a SQL Server library API set that is incorporated as an add-on feature pack for SQL Server • Enables applications, such as SharePoint 2013, to store BLOBs in a location outside the content databases • The metadata for each BLOB is stored in the SQL Server database and the BLOB is stored in the RBS store • TechNet resources • https://technet.microsoft.com/en-us/library/ee748649.aspx
  4. 4. FILESTREAM • The FILESTREAM is a RBS provider included in SQL Server • SharePoint 2013 supports FILESTREAM • FILESTREAM is transparent for end users and for administration • Deep copy feature • Site collection backup/restore and site import/export will download the file contents and upload them back to the server regardless of which RBS provider is being used
  5. 5. RBS limits in SharePoint • The total volume of remote BLOB storage and metadata in the content database must not exceed the 200GB limit • Remote BLOB Storage (RBS) storage subsystem on Network Attached Storage (NAS) • Time to first byte of any response from the NAS should remain within 40 milliseconds 95% of the time. • When SharePoint Server 2013 is configured to use RBS, and the BLOBs reside on NAS storage, consider the following supported limit. • From the time that SharePoint Server 2013 requests a BLOB, until it receives the first byte from the NAS, 95% of the time no more than 40 milliseconds can pass. • https://technet.microsoft.com/en-us/library/cc262787.aspx
  6. 6. RBS vs EBS • EBS (External BLOB Storage) • Introduced with SharePoint 2007 SP1 • Gives an opportunity to offload the BLOB and passes an ID to SharePoint to keep track of it • Layer in SharePoint to talk to SQL Server • RBS (Remote BLOB Storage) • Introduced with SharePoint 2010 • Offloads all the BLOB content being pushed to SQL Server • No direct relation to SharePoint
  7. 7. Third party products • Provide more functionality than FILESTREAM provider • AvePoint DocAve Storage Manager • Externalization rules bases on file size, content type, date… • Hierarchical Storage Management (HSM) Capabilities • Support for Advanced Storage Systems • BLOB Compression and Encryption • Capabilities to upload files natively blocked by SharePoint and files that exceed SharePoint limitations • Dashboards and tools to manage and monitor BLOB storage and to resolve problems and orphaned items • http://www.avepoint.com/products/sharepoint-infrastructure-management/sharepoint- storage-management/ • Metalogix StoragePoint • http://www.metalogix.com/Products/StoragePoint/StoragePoint-BLOB-Offloading.aspx
  • JinaneKarhani

    Sep. 24, 2018

information about Remote BLOB Storage in SharePoint

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