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How to configure Remote blob storage in Sharepoint
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The servers are like this,

3 Web Front Ends(WFEs)

2 Application Servers(App Srv)

Database is SQL 2008 R2

To begin with, we referred the steps published in this blog post
http://blogs.msdn.com/b/sharepointalps/archive/2010/10/06/configure-remote-blob-storage-rbs-with-sharepoint-2010.aspx

For overview of RBS in SharePoint Foundation 2010, please read the following article
http://technet.microsoft.com/en-us/library/ee748592.aspx

All the following installations have been done on Microsoft Windows Server 2008 R2 and Microsoft SQL Server 2008 R2 as there is no support for RBS on Microsoft SQL Server 2005.

First of all we have to activate FILESTREAM on the SQL instance that you want to put to the BLOB.

  1. Connect to SQL Server
    Start –> All Programs –> Microsoft SQL Server 2008 R2 –> Configuration Tools –> SQL Server Configurations Manager
  2. In the Services list, click "SQL Server Services"
  3. Choose your SQL instance (here "SQL Server (MSSQLSERVER)") and right click Properties.
  4. Switch to the FILESTREAM tab and check all the available checkboxes
  5. Click Apply –> OK
  6. Now start SQL Server Management Studio
    Start –> All Programs –> Microsoft SQL Server 2008 R2 –>SQL Server Management Studio
  7. Open a query windows and start the following SQL statement

    For easier reference, just copy the text below

EXEC sp_configure filestream_access_level, 2
RECONFIGURE

This was the first step, FILESTREAM is now successfully activated.

All further steps requires SharePoint to be installed properly and that a Web Application has already been created. The Content Database in this case I created by PowerShell:

  1. Connect to a server (App Srv1 – I chose this server since it hosts Central Admin but it’s not mandatory, you may run this command from any SharePoint server)
    Start –> Microsoft SharePoint 2010 Products –> SharePoint 2010 Management Shell
    Create a Content Database

    For easier reference, just copy the text below

New-SPContentDatabase –name WSS_Content_Blob_001 –WebApplication http://tejas –MaxSiteCount 1 –WarningSiteCount 0

Now the new content database (in this case "WSS_Content_Blob_001") has to be prepared for use with FILESTREAM.

  1. Connect to your SQL Server
    Start –> All Programs –> Microsoft SQL Server 2008 R2 –>SQL Server Management Studio

Open a query and execute the statement below. Replace "C:\Blobstore" by your storage-path. The directory must not exist when executing the statement, otherwise an error will be given.

For easier reference, just copy the text below

use [WSS_Content_Blob_001]
if not exists (select * from sys.symmetric_keys where name = N'##MS_DatabaseMasterKey##')create master key encryption by password = N'Admin Key Password !2#4'

use [WSS_Content_Blob_001]
if not exists (select groupname from sysfilegroups where groupname=N'RBSFilestreamProvider')alter database [WSS_Content_Blob_001] add filegroup RBSFilestreamProvider contains filestream

use [WSS_Content_Blob_001]
alter database [WSS_Content_Blob_001] add file (name = RBSFilestreamFile, filename = 'c:\Blob_001') to filegroup RBSFilestreamProvider

Now the direcory for the Blobstore has been created in "C:\Blob_001"

Next you have to download the EXE for RBS, and it has to be copied to each Web Frontend Servers & in App Servers (please, do not rename the file). During all the following steps mind checking the log files for errors.

  1. Connect to the Web Front End hosting the Central Admin Console
  2. Open a Command Prompt (IMPORTANT -> run with elevated permissions)
  3. Change to the directory containing the previously downloaded RBS.exe
  4. Delete or rename a already existing „rbs_install_log.txt" if applicable.
  5. Run the following command, replace DBNAME with your content database and DBINSTANCE with your SQL instance. Mind that this command only works once, if you want to configure a second database, chose the option "Configure additional database" (see below).

[We executed this command in App Server1 & App Server2]

msiexec /qn /lvx* rbs_install_log.txt /i RBS.msi TRUSTSERVERCERTIFICATE=true FILEGROUP=PRIMARY DBNAME="WSS_Content_Blob_001" DBINSTANCE="DC" FILESTREAMFILEGROUP=RBSFilestreamProvider FILESTREAMSTORENAME=FilestreamProvider_1

  1. After this process has completed (it may take a minute or two, the log reads "Verbose Logging stopped"), check the "rbs_install_log.txt" if it contains the following line of text (it should be approximately 21 lines before the end of the file:
  2. "Product: SQL Remote Blob Storage -- Configuration completed successfully"


    If that is not the case you have an issue. Check the following:
    - Are you in the right directory
    - Did you make a typo
    - Did you run the prompt with elevated privileges

  3. If you have more than one WFE in your farm, you now have to change to the other servers and run the following command:

    For easier reference, just copy the text below (Please note that we have included "ServerScript" here & we executed it in all 3 WFEs)
  4. msiexec /qn /lvx* rbs_install_log.txt /i RBS.msi DBNAME="WSS_Content_Blob_001" DBINSTANCE="DC" ADDLOCAL="Client,Docs,Maintainer,ServerScript,FilestreamClient,FilestreamServer"

  5. Check the "rbs_install_log.txt" if it contains the following line of text (it should be approximately 21 lines before the end of the file:
  6. "Product: SQL Remote Blob Storage -- Configuration completed successfully"

  7. Execute all steps from step 7 on every additional WFE. This is mandatory, otherwise problems might occur.

The script has created a few tables in the database, check if they are existing:

  1. Connect to SQL Server
    Start –> All Programs –> Microsoft SQL Server 2008 R2 –>SQL Server Management Studio
  2. Execute the following query

    For easier reference, just copy the text below

use WSS_Content_Blob_001
select * from dbo.sysobjects
where name like ‘rbs%’

The result should show the RBS tables. This may take a while.

As one last step you have to tell SharePoint that the content database uses RBS. To do that you have to execute the following command:

  1. Connect to WFE
    Start –> Microsoft SharePoint 2010 Products –> SharePoint 2010 Management Shell
  2. Execute the following commands in sequence:

    For easier reference, just copy the text below

$cdb = Get-SPContentDatabase WSS_Content_Blob_001


$rbss = $cdb.RemoteBlobStorageSettings


$rbss.Installed()


$rbss.Enable()


$rbss.SetActiveProviderName($rbss.GetProviderNames()[0])

$rbss

Since all has been prepared we can check the functionality. Just create a site collection and make sure the content database used is "WSS_Content_Blob_001". (or whatever you chose during install).

  1. Connect to WFE
    Start –> Microsoft SharePoint 2010 Products –> SharePoint 2010 Central Administration
  2. Application Management – Manage Content Databases
  3. Choose the applicable Web Application
  4. Configure the Content Database to put the next site collection to "WSS_Content_Blob_001"
    – If you have multiple databases, set "Maximum Number of Site Collections" to the current value
    – "WSS_Content_Blob_001" should not contain any site collections
  5. Go back to the main site of Central Administration
  6. Application Management – Create Site Collection
    - Enter all the required data
    - OK
  7. As soon as the site collection creation is finished, all newly uploaded documents should be created in the file system.

Notice:

Documents below 100 kB will not be put to the file system but will be stored in the database.

Configure additional content databases:

If you want to configure more than one content database for RBS, all the steps above have to be executed. The only difference is the command in step 5. This one dies not work, and no RBS tables are created. Therefore use the command below:

msiexec /qn /i rbs.msi REMOTEBLOBENABLE=1 FILESTREAMPROVIDERENABLE=1 DBNAME=WSS_Content_Blob_002 FILESTREAMSTORENAME=FilestreamProvider_1 ADDLOCAL=EnableRBS,FilestreamRunScript DBINSTANCE=CD

Info about Backup:

If a content database is set to use the SQL FILESTREAM remote BLOB storage (RBS) provider, the RBS provider must be installed both on the database server that is being backed up and on the database server that is being recovered to.

 

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Commented By: Vivek On: 26-09-2012

For detail see http://blogs.msdn.com/b/tejasr/archive/2011/04/01/experience-of-configuring-remote-blob-storage-rbs-with-sharepoint-2010.aspx
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