SharePoint Maintenance

General
The recommended maintenance tasks for SharePoint Products and Technologies by Bill Baer from Microsoft Corporation
http://go.microsoft.com/fwlink/?LinkId=111531&clcid=0x409

DB

Database maintenance for SharePoint Server 2010

http://technet.microsoft.com/en-us/library/cc262731.aspx
Worksheet http://www.microsoft.com/download/en/details.aspx?id=24282
Database management (SharePoint Foundation 2010)
http://technet.microsoft.com/library/cc825316(office.14).aspx
SQL Server and SharePoint Server 2010 databases
http://technet.microsoft.com/en-us/sharepoint/ff871917.aspx
Database types and descriptions (SharePoint Server 2010)
http://technet.microsoft.com/en-us/library/cc678868(v=office.14).aspx
DB Defrag
http://blogs.technet.com/b/patrick_heyde/archive/2010/05/27/advanced-maintenance-for-sharepoint-databases-defrag-update-index.aspx
Manage databases in SharePoint (all versions)
http://technet.microsoft.com/en-us/library/cc825329.aspx
Unsupported Database Changes
http://support.microsoft.com/kb/841057

Sites

Site Maintenance

Plan site maintenance and management (SharePoint Server 2010)

http://technet.microsoft.com/en-us/library/cc262509.aspx

Worksheet planning worksheet
 http://go.microsoft.com/fwlink/p/?LinkId=193521&clcid=0x409

SharePoint Server 2010: Operations Framework and Checklists
http://www.microsoft.com/en-us/download/details.aspx?id=12945


Thomas Wagner: thanks